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  • 251.
    Ahrné, Lilia
    et al.
    SIK – Institutet för livsmedel och bioteknik.
    Prothon, F.
    Funebo, Tomas
    SIK – Institutet för livsmedel och bioteknik.
    Comparison of drying kinetics and texture effects of two calcium pretreatments before microwave-assisted dehydration of apple and potato2003In: International journal of food science & technology, ISSN 0950-5423, E-ISSN 1365-2621, Vol. 38, no 4, p. 411-420Article in journal (Refereed)
    Abstract [en]

    The effects on drying rate and texture of treating two plant tissues with calcium, before drying in air with microwave assistance, were studied in this work. The two tissues, potato and apple cubes, which have different structures and composition, were pretreated by immersion in CaCl2 solutions at 20 or at 70 °C before microwave-assisted air dehydration at 50, 60 and 70 °C. The pretreatments with calcium influenced the strength of the plant tissue cell wall, producing products of varying hardness after rehydration. The effect of the two calcium pretreatments was quite different for apples and potatoes. For apples, calcium pretreatment at 20 °C increased the hardness of rehydrated apples compared with untreated apples, but calcium pretreatment at 70 °C had no effect on texture. For potatoes, both calcium pretreatments at 20 and at 70 °C significantly increased the hardness of rehydrated potatoes. The water diffusivity during drying varied mainly because of the type of plant tissue, with secondary effects caused by the drying temperature and the type of calcium pretreatment.

  • 252.
    Aicher, Simon mfl
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    Determination of fracture energy of wood in Mode II. RILEM TC 133 Report.1997Report (Refereed)
  • 253.
    Ail, Ujwala
    et al.
    Linköpings Universitet, Sweden.
    Khan, Zia Ullah
    Linköpings Universitet, Sweden.
    Granberg, Hjalmar
    RISE - Research Institutes of Sweden, Bioeconomy. RISE, Innventia.
    Berthold, Fredrik
    RISE - Research Institutes of Sweden, Bioeconomy. RISE, Innventia.
    Parasuraman, Rajasekar
    Indian Institute of Science, India.
    Umarji, Arun M.
    Indian Institute of Science, India.
    Slettengren, Kerstin
    RISE - Research Institutes of Sweden, Bioeconomy. RISE, Innventia.
    Pettersson, Henrik
    RISE - Research Institutes of Sweden, Bioeconomy. RISE, Innventia.
    Crispin, Xavier
    Linköpings Universitet, Sweden.
    Room temperature synthesis of transition metal silicide-conducting polymer micro-composites for thermoelectric applications2017In: Synthetic metals, ISSN 0379-6779, E-ISSN 1879-3290, Vol. 225, p. 55-63Article in journal (Refereed)
    Abstract [en]

    Organic polymer thermoelectrics (TE) as well as transition metal (TM) silicides are two thermoelectric class of materials of interest because they are composed of atomic elements of high abundance; which is a prerequisite for mass implementation of thermoelectric (TE) solutions for solar and waste heat recovery. But both materials have drawbacks when it comes to finding low-cost manufacturing. The metal silicide needs high temperature (>1000 °C) for creating TE legs in a device from solid powder, but it is easy to achieve long TE legs in this case. On the contrary, organic TEs are synthesized at low temperature from solution. However, it is difficult to form long legs or thick films because of their low solubility. In this work, we propose a novel method for the room temperature synthesis of TE composite containing the microparticles of chromium disilicide; CrSi2 (inorganic filler) in an organic matrix of nanofibrillated cellulose- poly(3,4-ethyelenedioxythiophene)-polystyrene sulfonate (NFC-PEDOT:PSS). With this method, it is easy to create long TE legs in a room temperature process. The originality of the approach is the use of conducting polymer aerogel microparticles mixed with CrSi2 microparticles to obtain a composite solid at room temperature under pressure. We foresee that the method can be scaled up to fabricate and pattern TE modules. The composite has an electrical conductivity (σ) of 5.4 ± 0.5 S/cm and the Seebeck coefficient (α) of 88 ± 9 ΌV/K, power factor (α2σ) of 4 ± 1 ΌWm−1K−2 at room temperature. At a temperature difference of 32 °C, the output power/unit area drawn across the load, with the resistance same as the internal resistance of the device is 0.6 ± 0.1 ΌW/cm2.

  • 254.
    Aitomäki, Yvonne
    et al.
    RISE, Swerea, SICOMP.
    Hagström, Bengt
    RISE, Swerea, IVF.
    Långström, Runar
    RISE, Swerea, SICOMP.
    Fernberg, Patrik
    RISE, Swerea, SICOMP.
    Novel reactive bicomponent fibres: Material in composite manufacturing2012In: Journal of Nanostructured Polymers and Nanocomposites, ISSN 1790-4439, Vol. 8, no 1, p. 5-11Article in journal (Refereed)
    Abstract [en]

    The hypotheses that reactive uncured, thermoset bicomponent fibres can be prepared and mixed with reinforcing fibres and ultimately used in preparation of a composite was tested and is described. It is thought that such fibres have the two potential advantages: (1) to enable manufacturing with particle doped resins e.g. nanocomposites which add functionality to composites and (2) increased efficiency of structural composite manufacturing by increasing the level of automation. The structure of the thermoset fibres comprises of a sheath of thermoplastic and a core of uncured thermoset resin. Once manufactured, the fibres were wound with a reinforced fibre onto a plate, consolidated and cured. The resulting composite was examined and compared to other composites made with the same manufacturing method from commercially available materials. The results show that a laminate can be produced using these reactive bicomponent fibres. The resin system successfully impregnates the reinforcing carbon fibres and that the thermoplastic separates from the epoxy resin system during consolidation. In comparison to reference material, the bicomponent laminate shows promising characteristics. However, the processes developed are currently on a lab-scale and considerable improvement of various bicomponent fibre properties, such as the strength, are required before the technology can be used on a larger scale.

  • 255.
    Ajpi, Cesario
    et al.
    Universidad Mayor de San Andres, Bolivia.
    Suescun, Leopoldo
    Universidad de la Republica, Uruguay.
    Leiva, Naviana
    Universidad Mayor de San Andres, Bolivia.
    Lundblad, Anders Olof
    RISE - Research Institutes of Sweden (2017-2019), Safety and Transport, Electronics.
    Lindbergh, Göran
    KTH Royal Institute of Technology, Sweden.
    Cabrera, Saul
    Universidad Mayor de San Andres, Bolivia.
    Crystal structure and Hirshfeld surface analysis of poly[tris-(μ4-benzene-1,4-di-carboxyl-ato)tetra-kis-(di-methyl-formamide)-trinickel(II)]: a two-dimensional coordination network.2019In: Acta crystallographica. Section E, Crystallographic communications, ISSN 2056-9890, Vol. 75, no Pt 12, p. 1839-1843Article in journal (Refereed)
    Abstract [en]

    The crystal structure of the title compound, [Ni3(C8H4O4)3(C3H7NO)4], is a two-dimensional coordination network formed by trinuclear linear Ni3(tp)3(DMF)4 units (tp = terephthalate = benzene-1,4-di-carboxyl-ate and DMF = di-methyl-formamide) displaying a characteristic coordination mode of acetate groups in polynuclear metal-organic compounds. Individual trinuclear units are connected through tp anions in a triangular network that forms layers. One of the DMF ligands points outwards and provides inter-actions with equivalent planes above and below, leaving the second ligand in a structural void much larger than the DMF mol-ecule, which shows positional disorder. Parallel planes are connected mainly through weak C-H⋯O, H⋯H and H⋯C inter-actions between DMF mol-ecules, as shown by Hirshfeld surface analysis.

  • 256.
    Akbari, Saaed
    et al.
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Lövberg, Andreas
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Tegehall, Per-Erik
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Brinkfeldt, Klas
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Andersson, Dag
    RISE - Research Institutes of Sweden, Swerea, Swerea IVF.
    Effect of PCB cracks on thermal cycling reliability of passive microelectronic components with single-grained solder joints2019In: Microelectronics and reliability, ISSN 0026-2714, E-ISSN 1872-941X, Vol. 93, p. 61-71Article in journal (Refereed)
    Abstract [en]

    Lead-free tin-based solder joints often have a single-grained structure with random orientation and highly anisotropic properties. These alloys are typically stiffer than lead-based solders, hence transfer more stress to printed circuit boards (PCBs) during thermal cycling. This may lead to cracking of the PCB laminate close to the solder joints, which could increase the PCB flexibility, alleviate strain on the solder joints, and thereby enhance the solder fatigue life. If this happens during accelerated thermal cycling it may result in overestimating the lifetime of solder joints in field conditions. In this study, the grain structure of SAC305 solder joints connecting ceramic resistors to PCBs was studied using polarized light microscopy and was found to be mostly single-grained. After thermal cycling, cracks were observed in the PCB under the solder joints. These cracks were likely formed at the early stages of thermal cycling prior to damage initiation in the solder. A finite element model incorporating temperature-dependant anisotropic thermal and mechanical properties of single-grained solder joints is developed to study these observations in detail. The model is able to predict the location of damage initiation in the PCB and the solder joints of ceramic resistors with reasonable accuracy. It also shows that the PCB cracks of even very small lengths may significantly reduce accumulated creep strain and creep work in the solder joints. The proposed model is also able to evaluate the influence of solder anisotropy on damage evolution in the neighbouring (opposite) solder joints of a ceramic resistor.

  • 257.
    Akbari, Saeed
    et al.
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Sakhaei, A. H.
    Singapore University of Technology and Design, Singapore; University of Exeter, UK.
    Panjwani, S.
    Singapore University of Technology and Design, Singapore.
    Kowsari, K.
    Singapore University of Technology and Design, Singapore.
    Serjourei, A.
    Singapore University of Technology and Design, Singapore.
    Ge, Q.
    Singapore University of Technology and Design, Singapore.
    Multimaterial 3D Printed Soft Actuators Powered by Shape Memory Alloy Wires2019In: Sensors and Actuators A-Physical, ISSN 0924-4247, E-ISSN 1873-3069, Vol. 290, p. 177-189Article in journal (Refereed)
    Abstract [en]

    Shape memory alloys (SMAs) have been widely used to fabricate soft actuators by embedding SMA wires into various soft matrices manufactured by conventional moulding methods or novel three-dimensional (3D) printing techniques. However, soft matrices of SMA based actuators are typically fabricated from only one or two different materials. Here, we exploit the great manufacturing flexibility of multimaterial 3D printing to fabricate various bending, twisting and extensional actuators by precisely controlling the spatial arrangements of different printing materials with different stiffnesses. In order to achieve a broad range of deformations, ten different printing materials were characterized and used in the actuators design. In addition, we developed a finite element model to simulate complex deformations of the printed actuators and facilitate the design process. The model incorporates a user defined material subroutine that describes the nonlinear temperature dependant behavior of SMAs. The results show the efficiency and flexibility of multimaterial 3D printing in tailoring the deformed shape of the SMA based soft actuators, which cannot be accomplished using conventional manufacturing methods such as moulding.

  • 258.
    Akesson, D.
    et al.
    University of Borås.
    Skrifvars, M.
    University of Borås.
    Walkenström, Pernilla
    RISE, Swerea, Swerea IVF.
    Preparation of thermoset composites from natural fibres and acrylate modified soybean oil resins2009In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 114, no 4, p. 2502-2508Article in journal (Refereed)
    Abstract [en]

    Structural composites with a high content of renewable material were produced from natural fibres and an acrylated epoxidized soybean oil resin. Composites were prepared by spray impregnation followed by compression moulding at elevated temperature. The resulting composites had good mechanical properties in terms of tensile strength and flexural strength. Tensile testing as well as dynamical mechanical thermal analysis showed that increasing the fibre content, increased the mechanical properties. The resin can be reinforced with up to 70 wt % fibre without sacrifice in processability. The tensile modulus ranged between 5.8 and 9.7 GPa depending on the type of fibre mat. The study of the adhesion by low vacuum scanning electron microscopy shows that the fibres are well impregnated in the matrix. The aging properties were finally evaluated. This study shows that composites with a very high content of renewable constituents can be produced from soy bean oil resins and natural fibres. © 2009 Wiley Periodicals, Inc.

  • 259.
    Akesson, Karl Petter
    et al.
    RISE, Swedish ICT, SICS.
    Nilsson, Andreas
    RISE, Swedish ICT, Viktoria.
    Designing leisure applications for the mundane car-commute2002In: Personal and Ubiquitous Computing, ISSN 1617-4909, E-ISSN 1617-4917, Vol. 6, no 3, p. 176-187Article in journal (Refereed)
    Abstract [en]

    Commuting by car from home to work can be very time consuming. We have conducted a study to explore what people are doing, and want to do, while commuting. People use their time in the car on a wide variety of activities with great innovation. There was no unanimous activity that everyone wanted, rather a wide variety of activities were requested. Three different categories of activity were identified which we refer to as mundane, vocational and traffic related. To demonstrate a possible IT service supporting commuters, a prototype based on speech output and a simple input mechanism from a wheel was developed. This service moves sampling of music from the conventional shop into the car. The prototype was informally tested with users, which resulted in a number of improvements. Preliminary user results indicate good functionality, a comprehensive interaction interface.

  • 260.
    Al Nahas, Beshr
    RISE, Swedish ICT, SICS. Department of Information Technology.
    Multichannel Communication in Contiki's Low-power IPv6 Stack2013Independent thesis Advanced level (degree of Master (Two Years))Student thesis
    Abstract [en]

    Vast majority of wireless appliances used in household, industry and medical field share the ISM frequency band. These devices need to coexist and thus are challenged to tolerate their mutual interference. One way of dealing with this is by using frequency hopping; where the device changes its radio channel periodically. Consequently, communications will not suffer from the same interference each time; instead, it should be fairer and more stable. This thesis investigates the aforementioned problem in the field of low power wireless sensor networks and Internet of Things where Contiki OS is used. We introduce a low-power pseudo-random frequency-hopping MAC protocol which is specifically characterized as a duty cycled asynchronous sender-initiated LPL style protocol. We illustrate two flavors of the protocol; one that does not use any dedicated channel and another which allows dedicated broadcast channels that can implement frequency-hopping as well. We implement the protocol in C for real hardware and extensively test and evaluate it in a simulated environment which runs Contiki. It proved to work with Contiki's IPv6 stack running RPL (the standardized routing protocol for low power and lossy wireless networks). We compare the performance of the implemented protocol to the singlechannel ContikiMAC with varying levels of interference. Results show a reduction down to 56% less radio-on time (1.50% vs. 3.4%) and 85% less latency (306 ms vs. 2050 ms) in the presence of noise, while keeping a good basecost in noise-free environments with 1.29% radio duty cycle when using 9 channels with no dedicated broadcast channels (vs. 0.80% for single channel) and 252 ms average latency(vs. 235 ms). Moreover, the results show that the multichannel protocol performance metrics converge to almost the same values regardless of the noise level. Therefore, it is recommended as a good alternative to single channel ContikiMAC in realworld deployments where noise presence is anticipated.

  • 261.
    Al Nahas, Beshr
    et al.
    RISE, Swedish ICT, SICS.
    Duquennoy, Simon
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Iyer, Venkatraman
    Voigt, Thiemo
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Low-Power Listening Goes Multi-Channel2014Conference paper (Refereed)
    Abstract [en]

    Exploiting multiple radio channels for communication has been long known as a practical way to mitigate interference in wireless settings. In Wireless Sensor Networks, however, multi-channel solutions have not reached their full potential: the MAC layers included in TinyOS or the Contiki OS for example are mostly single-channel. The literature offers a number of interesting solutions, but experimental results were often too few to build confidence. We propose a practical extension of low-power listening, MiCMAC, that performs channel hopping, operates in a distributed way, and is independent of upper layers of the protocol stack. The above properties make it easy to deploy in a variety of scenarios, without any extra configuration/scheduling/channel selection hassle. We implement our solution in Contiki and evaluate it in a 97-node testbed while running a complete, out-of-the-box low-power IPv6 communication stack (UDP/RPL/6LoWPAN). Our experimental results demonstrate increased resilience to emulated WiFi interference (e.g., data yield kept above 90% when ContikiMAC drops in the 40% range). In noiseless environments, MiCMAC keeps the overhead low in comparison to ContikiMAC, achieving performance as high as 99% data yield along with sub-percent duty cycle and sub-second latency for a 1-minute inter-packet interval data collection.

  • 262.
    Al Nahas, Beshr
    et al.
    Chalmers University of Technology, Sweden.
    Duquennoy, Simon
    RISE - Research Institutes of Sweden, ICT, SICS.
    Landsiedel, Olaf
    Chalmers University of Technology, Sweden.
    Network Bootstrapping and Leader Election in Low-power Wireless Networks2017In: Proceedings of the International Conference on Embedded Networked Sensor Systems (ACM SenSys 2017), November 5-8, 2017, Delft, The Netherlands, ACM Press, 2017Conference paper (Refereed)
    Abstract [en]

    Many protocols in low-power wireless networks require a leader to bootstrap and maintain their operation. For example, Chaos and Glossy networks need an initiator to synchronize and initiate the communication rounds. Commonly, these protocols use a fixed, compile-time defined node as the leader. In this work, we tackle the challenge of dynamically bootstrapping the network and electing a leader in low-power wireless scenarios.

  • 263.
    Al Nahas, Beshr
    et al.
    Chalmers University of Technology, Sweden.
    Duquennoy, Simon
    RISE - Research Institutes of Sweden, ICT, SICS.
    Landsiedel, Olaf
    Chalmers University of Technology, Sweden.
    Network-wide Consensus Utilizing the Capture Eect in Low-power Wireless Networks2017In: Proceedings of the International Conference on Embedded Networked Sensor Systems (ACM SenSys 2017), November 5-8, 2017, Delft, The Netherlands, 2017Conference paper (Refereed)
    Abstract [en]

    Many protocols in low-power wireless networks require a root nodeor a leader to bootstrap and maintain its operation. For example,Chaos and Glossy networks need an initiator to synchronize andinitiate the communications rounds. Commonly, these protocolsuse a xed, compile-time dened node as the leader. In this work,we tackle the challenge of dynamically bootstrapping the networkand electing a leader in low-power wireless scenarios, and we focuson Chaos-style networks

  • 264.
    Al Suhairy, Sinan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP Sveriges tekniska forskningsinstitut / Akustik (Eta).
    Prediction of ground vibration from railways. Master of Science thesis, Department of Applied Acoustics, Chalmers University of Technology2000Report (Refereed)
  • 265.
    Alakalhunmaa, Suvi
    et al.
    University of Helsinki, Finland.
    Parikka, Kristi
    University of Helsinki, Finland.
    Penttilä, Paavo A.
    University of Helsinki, Finland.
    Cuberes, M. Teressa
    University of Castilla-La Mancha, Spain.
    Willför, Stefan
    Åbo Akademi University, Finland.
    Salmen, Lennart
    RISE, Innventia.
    Mikkonen, Kristi S.
    University of Helsinki, Finland.
    Softwood-based sponge gels2016In: Cellulose (London), ISSN 0969-0239, E-ISSN 1572-882X, Vol. 23, no 5, p. 3221-3238Article in journal (Refereed)
    Abstract [en]

    Crosslinking-aided gelation was utilized to prepare hydrogels from softwood polysaccharides, with spruce galactoglucomannans (GGM)—a group of largely unexploited hemicelluloses—as the main component, aiming at conversion into sponge-like aerogels. Cellulose nanofibrils were used for the formation of a reinforcing network, which was further crosslinked together with a GGM matrix by ammonium zirconium carbonate, an inorganic salt that is regarded as safe for use in food packaging. The hydrogels were freeze-dried into stiff, low-density aerogels with 98 % of their volume composed of air-filled pores. When immersed in water, the aerogels absorbed water up to 37 times their initial weight, demonstrating elasticity and repeatable and reversible sponge capacity. The developed concept reassembles the wood polysaccharides in a new way, creating interesting possibilities for utilizing the abundant “green gold,” GGM. The obtained biobased materials could find application potential, for example, in the field of food packaging and could contribute in the reduction of the usage of petroleum-based plastics in the future.

  • 266.
    Alakärppä, Ismo
    et al.
    University of Lapland, Finland.
    Riekki, Jukka
    University of Oulu, Finland.
    Larsson, Sofia
    RISE, Swedish ICT, Interactive Institute.
    Jaakkola, Elisa
    University of Lapland, Finland.
    Sound Aided Interface of a Pervasive Pain Monitoring System2011Conference paper (Refereed)
    Abstract [en]

    We have developed a new version of a pervasive system for monitoring and recording subjective pain experiences. The most important service the system offers to its users is real-time delivery of reported pain values from patients to nurses. Pain experiences are expressed on a six-value scale from "no pain" to "worst possible pain". The system was tested in four sessions with 23 test users from Finland and Sweden. The main goal of this study was to evaluate user experience of the patient application and the sounds we designed for the user interface. We tested four sound options; spoken, synthetic, xylophone and mute. The material was collected through group discussions and questionnaires. Familiarity, the extent to which a sound can be identified, and the quality and the pleasantness of the sound were found to have an effect on forming a positive experience. Sounds describing pain levels have to be convincing. The context of use has to be taken into account as a primary design driver in a sound design process.

  • 267. Alander, J
    et al.
    Wärnheim, T
    YKI – Ytkemiska institutet.
    Model microemulsions containing vegetable oils Part 1: Nonionic surfactant systems1989In: Journal of the American Oil Chemists Society, ISSN 0003-021X, E-ISSN 1558-9331, Vol. 66, p. 1656-1660Article in journal (Refereed)
    Abstract [en]

    Nonionic microemulsions containing triglucerides and fatty acid esters as lipophilic components have been studied. The phase inversion temperature (PIT) of the systems was determined by a conductometric method. Partial phase diagrams were constructed in the phase inversion temperature range. Water solubilization capacity of the nonionic surfactant systems studied was dependent on surfactant and oil types in analogy to ordinary hydrocarbon systems. The PIT:s increased with increased molecular weight for both esters and triglycerides.

  • 268. Alander, J
    et al.
    Wärnheim, T
    YKI – Ytkemiska institutet.
    Model microemulsions containing vegetable oils Part 2: Ionic surfactant systems1989In: Journal of the American Oil Chemists Society, ISSN 0003-021X, E-ISSN 1558-9331, Vol. 66, p. 1661-1665Article in journal (Refereed)
    Abstract [en]

    The phase behavior and the structure of ionic microemulsions, stabilized by sodium oleate and different alcohol cosurfactants, containing fatty acid esters or triglycerides as lipophilic components, have been investigated. Microemulsions containing triglycerides display a smaller stability region than microemulsions containing hydrocarbons or fatty acid esters. From structural investigations, using the NMR FT pulsed gradient spin echo method for measuring self-diffusion coefficients, differences in the microstructure are revealed as well. Adding an ester (or a hydrocarbon) to a microemulsion containing sodium oleate/pentanol will at certain compositions lead to a gradual transition from a bicontinuous to an oilcontinuous system, while this behavior cannot be detected when adding a triglyceride. Instead, a phase-separation occurs, and it is suggested that the larger molecular size of the triglyceride is responsible for the diffirence.

  • 269.
    Al-Awis, Suhail Najm
    et al.
    University of Technology, Iraq.
    Schatz, Richard
    KTH Royal Institute of Technology, Sweden.
    Pang, Xiaodan
    RISE, Swedish ICT, Acreo.
    Ozolins, Oskars
    RISE, Swedish ICT, Acreo.
    Jacobsen, Gunnar
    RISE, Swedish ICT, Acreo. KTH Royal Institute of Technology, Sweden.
    Popov, Sergei
    KTH Royal Institute of Technology, Sweden.
    Fattah, Ali Y.
    University of Technology, Iraq.
    Chen, Jiajia
    KTH Royal Institute of Technology, Sweden.
    Phenomenological Formula for Modelling of Physical Layer Impairments in Elastic Optical Networks2015In: Asia Communications and Photonics Conference 2015, 2015, article id ASu2A.75Conference paper (Refereed)
    Abstract [en]

    An empirical modelling technique is introduced to estimate impact of physical layer impairments in elastic optical networks, which can be used to evaluate transmission quality. The model has been verified experimentally with accuracy beyond (97.3%).

  • 270.
    Al-Ayish, Nadia
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    During, Otto
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Malaga, Katarina
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Silva, Nelson
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Gudmundsson, Kjartan
    KTH Royal Institute of Technology, Sweden.
    The influence of supplementary cementitious materials on climate impact of concrete bridges exposed to chlorides2018In: Construction and Building Materials, ISSN 0950-0618, E-ISSN 1879-0526, Vol. 188, p. 391-398Article in journal (Refereed)
    Abstract [en]

    In order to reach a specific service life of reinforced concrete structures a certain cover thickness is needed. At present, this is regulated by national standards that also limit the amount and type of supplementary cementitious materials in different exposure environments. The regulations do not, however, consider the actual durability performance of concrete with supplementary cementitious materials. As a consequence, the LCA results might be misleading. This paper shows the environmental impact of concrete with supplementary cementitious materials in chloride environment considering their specific performances. Prescriptive and performance based service life prediction models for chloride ingress are applied and compared.

  • 271.
    Al-Ayish, Nadia
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Malaga, Katarina
    RISE - Research Institutes of Sweden (2017-2019), Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Hadi, Mohammad
    University of Wollongong, Australia.
    Neaz Sheikh, M.
    University of Wollongong, Australia.
    Gudmundsson, Kjartan
    KTH Royal Institute of Technology, Sweden.
    Karoumi, Raid
    KTH Royal Institute of Technology, Sweden.
    Environmental impact of concrete structures reinforced with GFRP bars: A simplified study on columns2019In: Proceedings of the fib Symposium 2019: Concrete - Innovations in Materials, Design and Structures, International Federation for Structural Concrete , 2019, p. 1998-2005Conference paper (Refereed)
    Abstract [en]

    Concrete has a significant influence on the global warming due to its high usage in the construction industry. There are a few different strategies to increase the sustainability potential of concrete structures. Most of these strategies involve reduction of the total clinker content. One strategy, which is often neglected due to its complexity, is to increase the durability of the concrete structure. By increasing the durability, the need for repair and maintenance is reduced and thus less resources are consumed during the service life. One of the main deterioration mechanisms in concrete structures is the corrosion of steel reinforcement. A strategy to increase the service life of concrete structures in harsh environment would therefore be to increase the durability of concrete or to use low- or non-corrosive reinforcement instead of traditional steel reinforcement. This paper focuses on the latter. Glass fibre reinforced polymer (GFRP) bars are non-corrosive and have emerged as an alternative to steel bars in reinforced concrete structures in harsh environment. They have other mechanical properties than steel and opens for alternative mix designs for concrete. However, the environmental impact of concrete structures reinforced with GFRP bars has not been fully investigated and most life-cycle assessment (LCA) studies have an exchange ratio of 1:1 between GFRP and steel bars despite differences in the mechanical properties. This paper studies the climate impact of concrete columns reinforced with GFRP bars through an LCA methodology, focusing on the functional unit.

  • 272.
    Al-Ayish, Nadia
    et al.
    RISE - Research Institutes of Sweden (2017-2019), Built Environment.
    Mueller, Urs
    RISE - Research Institutes of Sweden (2017-2019), Built Environment.
    Karaxi, E. K.
    National Technical University of Athens, Greece.
    Kartsonakis, I. A.
    National Technical University of Athens, Greece.
    Charitidis, C. A.
    National Technical University of Athens, Greece.
    De Meyst, L.
    Ghent University, Belgium.
    Safety and sustainability of new admixtures for durable concrete2019In: Durable Concrete for Infrastructure Under Severe Conditions: Smart Admixtures, Self-responsiveness and Nano-additions, 2019Conference paper (Other academic)
    Abstract [en]

    The sustainability of concrete infrastructures is highly dependent on the durability. A longer service life with low repair work reduces the resource use and hence the greenhouse gas emissions. New admixtures based on nanomaterials have the possibility to increase the service life. However, it is also important to consider the embodied impact of the material and safety issues concerning new nanomaterials. Here we present an overview on the latest developments on the safety and sustainability of some novel admixtures.

  • 273. Alberg, Ingmarie
    et al.
    Berntsson, Britt
    Andersson, Kjell
    Dannestam, Åse
    Persson Boonkaew, Frida
    (Larsson) Gulliksson, Daniel
    Fält, Jenny
    Good, Johanna
    Tiden, Sophie
    Nordin, Mats
    Claesson, Per
    Åhström, Mikael
    Edwards, Ylva
    RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Lyne, Åsa Laurell
    RISE - Research Institutes of Sweden, Built Environment, CBI Swedish Cement and Concrete Research Institute.
    Kvalitetssäkrade systemlösningar för gröna anläggningar/tak på betongbjälklag med nolltolerans mot läckage: Rapport- Arbetsprocessen2017Report (Other academic)
  • 274.
    Alberius, Peter
    et al.
    YKI – Ytkemiska institutet.
    Andersson, N
    Spray drying functionalized mesostructured colloids2003In: Self-Assembled Nanostructured Materials / [ed] Yunfeng Lu, C J Brinker , M Antonietti, Materials Research Society, 2003, p. 53-58Chapter in book (Refereed)
  • 275. Albers, Eva
    et al.
    Johansson, Emma
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Franzén, Carl Johan
    Larsson, Christer
    Selective suppression of bacterial contaminants by process conditions during lignocellulose based yeast fermentations2011In: Biotechnology for Biofuels, ISSN 1754-6834, E-ISSN 1754-6834, Vol. 4, article id Art no 59Article in journal (Refereed)
    Abstract [en]

    Background: Contamination of bacteria in large-scale yeast fermentations is a serious problem and a threat to the development of successful biofuel production plants. Huge research efforts have been spent in order to solve this problem, but additional ways must still be found to keep bacterial contaminants from thriving in these environments. The aim of this project was to develop process conditions that would inhibit bacterial growth while giving yeast a competitive advantage. Results: Lactic acid bacteria are usually considered to be the most common contaminants in industrial yeast fermentations. Our observations support this view but also suggest that acetic acid bacteria, although not so numerous, could be a much more problematic obstacle to overcome. Acetic acid bacteria showed a capacity to drastically reduce the viability of yeast. In addition, they consumed the previously formed ethanol. Lactic acid bacteria did not show this detrimental effect on yeast viability. It was possible to combat both types of bacteria by a combined addition of NaCl and ethanol to the wood hydrolysate medium used. As a result of NaCl + ethanol additions the amount of viable bacteria decreased and yeast viability was enhanced concomitantly with an increase in ethanol concentration. The successful result obtained via addition of NaCl and ethanol was also confirmed in a real industrial ethanol production plant with its natural inherent yeast/bacterial community. Conclusions: It is possible to reduce the number of bacteria and offer a selective advantage to yeast by a combined addition of NaCl and ethanol when cultivated in lignocellulosic medium such as wood hydrolysate. However, for optimal results, the concentrations of NaCl + ethanol must be adjusted to suit the challenges offered by each hydrolysate. © 2011 Albers et al; licensee BioMed Central Ltd.

  • 276.
    Albert, J
    et al.
    RISE, Swedish ICT, Acreo.
    Fokine, M
    RISE, Swedish ICT, Acreo.
    Margulis, W
    RISE, Swedish ICT, Acreo.
    Grating formation in pure silica fiber2001In: Proceedings of BGPP 2001 - Bragg Gratings, photosensitivity, and Poling in Glass Fibers and Waveguides, BThC9, (2001). Stresa Italy. 4 July 2001., 2001, article id BThC9Conference paper (Refereed)
  • 277. Albert, J
    et al.
    Fokine, M
    Margulis, W
    RISE, Swedish ICT, Acreo.
    Grating formation in pure silica-core fibers2002In: Optics Letters, ISSN 0146-9592, E-ISSN 1539-4794, Vol. 27, no 10, p. 809-811Article in journal (Refereed)
  • 278.
    Alberts, Claes
    et al.
    CBI - Cement- och betonginstitutet.
    Strömberg, Uno
    Skador på betongbalkonger.: Uppföljning av tidigare utförda lagningar1980Report (Refereed)
  • 279.
    Alberts, D.
    et al.
    University of Oviedo.
    Vega, V.
    University of Oviedo.
    Pereiro, R.
    University of Oviedo.
    Bordel, N.
    University of Oviedo.
    Prida, V.M.
    University of Oviedo.
    Bengtson, Arne
    RISE, Swerea, Swerea KIMAB.
    Sanz-Medel, A.
    University of Oviedo.
    In-depth profile analysis of filled alumina and titania nanostructured templates by radiofrequency glow discharge coupled to optical emission spectrometry2010In: Analusis, ISSN 1618-2642, E-ISSN 1618-2650, Vol. 396, no 8, p. 2833-2840Article in journal (Refereed)
    Abstract [en]

    The development of highly ordered and self-assembled magnetic nanostructures such as arrays of Fe or Ni nanowires and their alloys is arousing increasing interest due to the peculiar magnetic properties of such materials at the nanoscale. These nanostructures can be fabricated using nanoporous anodic alumina membranes or self-assembled nanotubular titanium dioxide as templates. The chemical characterization of the nanostructured layers is of great importance to assist the optimization of the filling procedure or to determine their manufacturing quality. Radiofrequency glow discharge (RF-GD) coupled to optical emission spectrometry (OES) is a powerful tool for the direct analysis of either conducting or insulating materials and to carry out depth profile analysis of thin layers by multi-matrix calibration procedures. Thus, the capability of RF-GD-OES is investigated here for the in-depth quantitative analysis of self-aligned titania nanotubes and self-ordered nanoporous alumina filled with arrays of metallic and magnetic nanowires obtained using the template-assisted filling method. The samples analysed in this work consisted of arrays of Ni nanowires with different lengths (from 1.2 up to 5 μm) and multilayer nanowires of alternating layers with different thicknesses (of 1-2 μm) of Ni and Au, or Au and FeNi alloy, deposited inside the alumina and titania membranes. Results, compared with other techniques such as scanning electron microscopy and energy-dispersive X-ray spectroscopy, show that the RF-GD-OES surface analysis technique proves to be adequate and promising for this challenging application. © 2009 Springer-Verlag.

  • 280. Albertsson, A.-C.
    et al.
    Voepel, J.
    Edlund, U.
    Dahlman, Olof
    RISE, Innventia.
    Söderqvist-Lindblad, M.
    Design of renewable hydrogel release systems from fiberboard mill wastewater2010In: Biomacromolecules, ISSN 1525-7797, E-ISSN 1526-4602, Vol. 11, no 5, p. 1406-1411Article in journal (Refereed)
    Abstract [en]

    A new route for the design of renewable hydrogels is presented. The soluble waste from masonite production was isolated, fractionized, and upgraded. The resulting hemicellulose rich fraction was alkenyl-functionalized and used in the preparation of covalently cross-linked hydrogels capable of sustained release of incorporated agents. Said hydrogels showed a Fickian diffusion-based release of incorporated bovine serum albumin. Also, a method for the coating of seeds with hydrogel was developed. The sustained release of incorporated growth retardant agents from the hydrogel coating on rape seeds was shown to enable the temporary inhibition of germination.

  • 281.
    Albertsson, Joakim
    et al.
    mobhome.
    Andersson, Sven
    mobhome.
    Metodstudier vid mobiltelefonanvändning2011Independent thesis Advanced level (degree of Master (Two Years))Student thesis
    Abstract [sv]

    Mobiltelefoner är något som nästan alla har tillgång till idag. Samtidigt ökar hela tiden användningsområdena på just mobiltelefoner. Nya modeller kommer ständigt och i takt med detta ökar även funktionaliteten av dem. Det är idag möjligt att utföra en rad andra saker än att endast ringa och skicka SMS med hjälp av sin mobiltelefon. Olika personer använder sina telefoner på olika sätt, olika mycket och till olika saker och detta har studerats på en mängd olika sätt. Att mobiltelefoner är just mobila innebär att de följer människor när de förflyttar sig och därför har även mobiltelefonanvändning på olika platser studerats. Olika metoder lämpar sig olika bra beroende på var användningen skall studeras. Den här uppsatsen syftar till att försöka få fram vilka metoder som lämpar sig för att studera mobiltelefonanvändning med hemmet som användningsmiljö. Med hjälp av litteraturstudier kom vi fram till vilka metoder som var relevanta att testa i hemmiljö och därefter har vi utfört dessa. Vi kom fram till att det inte fanns någon specifik metod som var bättre än någon annan men att resultatet blev mycket bättre om man kombinerade olika typer av metoder.

  • 282.
    Albertsson, Lars
    RISE - Research Institutes of Sweden, ICT, SICS.
    An Overview of Practical Research Approaches to Real-Time System Engineering2001Report (Other academic)
    Abstract [en]

    This is a state of the art report and literature overview of practical methods for constructing and analysing real-time systems. It covers operating system support, monitoring methods, and execution time prediction through simulation.

  • 283.
    Albertsson, Lars
    RISE - Research Institutes of Sweden, ICT, SICS.
    Entropy Injection2007Report (Other academic)
    Abstract [en]

    Testing is the predominant software quality assurance method today, but it has a major flaw --- it cannot reliably catch race conditions, intermittent errors caused by factors that cannot be controlled during testing, such as unpredictable timing behaviour in concurrent software. We present entropy injection, a extension of traditional test methods, which enable developers to create tests for arbitrary types of race conditions in any software application, reusing the application's existing test cases. An entropy injector runs the software under test in an instruction set simulator, where all factors that normally are unpredictable can be explicitly controlled. The injector provokes race condition defects by artificially changing the timing behaviour of the simulated processors, hardware devices, clocks, and input models. Provoked defects can be debugged by developers in a non-intrusive, programmable debugger, which allows race condition defects to be reproduced and provides access to all software state in a distributed system. Developers can use its services to create application-specific injection strategies and directed regression test cases that monitor application state and test specific interleavings of events. Our proof-of-concept entropy injector implementation Njord is built on Nornir, a debugger environment based on the complete system simulator Simics. Njord provokes test case failures by suspending simulated processors, thereby injecting delays in the processes in a concurrent application. We demonstrate Njord on a small test routine, and show how a developer can write a race condition regression test that triggers errors with very high probability, or provoke errors with good probability without using application knowledge.

  • 284.
    Albertsson, Lars
    RISE - Research Institutes of Sweden, ICT, SICS.
    Holistic debugging2006Report (Other academic)
    Abstract [en]

    We present holistic debugging, a novel method for observing execution of complex and distributed software. It builds on an instruction set simulator, which provides reproducible experiments and non-intrusive probing of state in a distributed system. Instruction set simulators, however, provide low-level information, so a holistic debugger contains a translation framework that maps this information to higher abstraction level observation tools, such as source code debuggers. We have created Nornir, a proof-of-concept holistic debugger, built on the simulator Simics. For each observed process in the simulated system, Nornir creates an abstraction translation stack, with virtual machine translators that map machine-level storage contents (e.g. physical memory, registers) provided by Simics, to application-level data (e.g. virtual memory contents) by parsing the data structures of operating systems and virtual machines. Nornir includes a modified version of the GNU debugger (GDB), which supports non-intrusive symbolic debugging of distributed applications. Nornir's main interface is a debugger shepherd, a programmable interface that controls multiple debuggers, and allows users to coherently inspect the entire state of heterogeneous, distributed applications. It provides a robust observation platform for construction of new observation tools.

  • 285.
    Albertsson, Lars
    RISE, Swedish ICT, SICS. CNA.
    Holistic debugging - enabling instruction set simulation for software quality assurance2006Conference paper (Refereed)
    Abstract [en]

    We present holistic debugging, a novel method for observing execution of complex and distributed software. It builds on an instruction set simulator, which provides reproducible experiments and non-intrusive probing of state in a distributed system. Instruction set simulators, however, only provide low-level information, so a holistic debugger contains a translation framework that maps this information to higher abstraction level observation tools, such as source code debuggers. We have created Nornir, a proof-of-concept holistic debugger, built on the simulator Simics. For each observed process in the simulated system, Nornir creates an abstraction translation stack, with virtual machine translators that map machine-level storage contents (e.g. physical memory, registers) provided by Simics, to application-level data (e.g. virtual memory contents) by parsing the data structures of operating systems and virtual machines. Nornir includes a modified version of the GNU debugger (GDB), which supports non-intrusive symbolic debugging of distributed applications. Nornir's main interface is a debugger shepherd, a programmable interface that controls multiple debuggers, and allows users to coherently inspect the entire state of heterogeneous, distributed applications. It provides a robust observation platform for construction of new observation tools.

  • 286.
    Albertsson, Lars
    RISE - Research Institutes of Sweden, ICT, SICS.
    Simulation-based debugging of soft real-time applications2001In: Real-Time Technology and Applications Symposium, 2001. Proceedings. Seventh IEEE, 2001, 1, p. 107-109Conference paper (Refereed)
    Abstract [en]

    We present a temporal debugger, capable of examining time flow of soft real-time applications in Unix systems. The debugger is based on a simulator modelling an entire workstation in sufficient detail to run unmodified operating systems and applications. It provides a deterministic and non-intrusive debugging environment, allowing reproducible presentation of program time flow. The primary contribution of this paper is virtual machine translation, a technique necessary to debug applications in a simulated Unix system. We show how a virtual machine translator maps low-level data, provided by the simulator, to data useful to a symbolic debugger. The translator operates by parsing data structures in the target operating system and has been implemented for the GNU debugger and simulated Linux systems.

  • 287.
    Albertsson, Lars
    RISE, Swedish ICT, SICS.
    Temporal debugging and profiling of multimedia applications2002In: Proceedings of Multimedia Computing and Networking 2002, 2002, 1Conference paper (Refereed)
  • 288.
    Albertsson, Lars
    et al.
    RISE - Research Institutes of Sweden, ICT, SICS.
    Magnusson, Peter
    RISE - Research Institutes of Sweden, ICT, SICS.
    Simulation-based temporal debugging of Linux2000In: Proceedings of the Second Real-Time Linux Workshop, 27-28 Nov 2000, Orlando, Florida, USA, 2000, 1Conference paper (Refereed)
  • 289.
    Albertsson, Lars
    et al.
    RISE - Research Institutes of Sweden, ICT, SICS.
    Magnusson, Peter
    RISE - Research Institutes of Sweden, ICT, SICS.
    Using complete system simulation for temporal debugging of general purpose operating systems and workloads2000In: Proceedings of MASCOTS 2000, 29 Aug - 01 Sept 2000, San Francisco, California, USA, IEEE, 2000, 1Conference paper (Refereed)
  • 290.
    Albinson, B
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Ström, S
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Material och ytteknik.
    Analys av UV-absorber i billacker med UV-VIS-spektroskopi1995Report (Refereed)
  • 291.
    Albinson, J
    Akustik (Eta).
    Mätning av obalansdämpning och impedans till jord i teleterminalut-rustningar1991Report (Refereed)
  • 292.
    Albinsson, B
    et al.
    SIK – Institutet för livsmedel och bioteknik.
    Wendin, K
    SIK – Institutet för livsmedel och bioteknik.
    Åström, A
    SIK – Institutet för livsmedel och bioteknik.
    Handbok i sensorisk analys2013Report (Refereed)
  • 293.
    Albinsson, B
    et al.
    SIK – Institutet för livsmedel och bioteknik.
    Wendin, K
    SIK – Institutet för livsmedel och bioteknik.
    Åström, A
    SIK – Institutet för livsmedel och bioteknik.
    Handbok i sensorisk analys2013Report (Other academic)
  • 294.
    Albinsson, B
    et al.
    SIK – Institutet för livsmedel och bioteknik.
    Wendin, K
    SIK – Institutet för livsmedel och bioteknik.
    Åström, A
    SIK – Institutet för livsmedel och bioteknik.
    Sensoriska tillämpningar inom industrin2010Report (Other academic)
  • 295.
    Albinsson, Ola
    et al.
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Lundevall, Åsa
    RISE - Research Institutes of Sweden, Materials and Production, IVF.
    Sehati, Parisa
    Linköpings universitet.
    Stålhanske, Christina
    RISE.
    Sundberg, P
    Mattsson, Lards-Göran
    KTH Royal Institute of Technology .
    Sjövall, Peter
    Rise.
    The influence of surface composition and plasma treatment on adhesion2015In: Proceedings of GPD Glass Performance Days 2015, 2015, p. 11-14Conference paper (Other academic)
  • 296.
    Albornoz-Palma, Gregory
    et al.
    Universidad de Concepción, Chile.
    Betancourt, Fernando
    Universidad de Concepción, Chile.
    Mendonça, Regis
    Universidad de Concepción, Chile.
    Chinga-Carrasco, Gary
    RISE - Research Institutes of Sweden, Bioeconomy, PFI.
    Pereira, Miguel
    RISE - Research Institutes of Sweden, Bioeconomy, PFI. Universidad de Concepción, Chile.
    Relationship between rheological and morphological characteristics of cellulose nanofibrils in dilute dispersions2019In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, article id 115588Article in journal (Refereed)
    Abstract [en]

    The morphology of cellulose nanofibrils (CNFs), the rheological characteristics of their dispersions, and the corresponding relationships, are fundamental for understanding the properties of the material. This work aims at understanding how the morphological characteristics of the CNFs affect the rheology of the dispersions in the dilute region and to establish a relationship between both properties. A strong relationship was observed between the intrinsic viscosity of the CNF dispersions and their aspect ratio, which can be correlated through the expression ρ[η]=0.051p1.85. When comparing the model obtained in this work to the wormlike chain model, it was possible to verify that these models are independent of the flexibility of the CNFs. Regarding the fibrillation process, the dynamic viscosity only reflects part of the behavior of the morphological properties of the CNFs and does not provide reliable data that would allow these characteristics to be inferred, while the intrinsic viscosity does allow this relationship. 

  • 297.
    Albrektsson, Joakim
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Nytt belastiningssystem installerat på SP Brandteknik2013In: Brandposten, no 49, p. 42-Article in journal (Other (popular science, discussion, etc.))
  • 298.
    Albrektsson, Joakim
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Flansbjer, Mathias
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh).
    Lindqvist, Jan-Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, material (BRm).
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Assessment of concrete structures after fire2011Report (Refereed)
  • 299.
    Albrektsson, Joakim
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Flansbjer, Mathias
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Hållfasthet (BMh). SP Sveriges tekniska forskningsinstitut.
    Lindqvist, Jan-Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SP – Sveriges Tekniska Forskningsinstitut / Brandteknik, material (BRm). SP Sveriges tekniska forskningsinstitut.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd. SP Sveriges tekniska forskningsinstitut.
    Assessment of fire exposed concrete with full-field strain determination2011In: Proceedings pro080 : 2nd International Workshop on Concrete Spalling due to Fire Exposure., RILEM , 2011, , p. 337-344Conference paper (Refereed)
  • 300.
    Albrektsson, Joakim
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Jansson, Robert
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research, Brandmotstånd.
    Capillary suction and chloride migration in fire exposed concrete with PP-fibre2012In: 3rd International Conference on Concrete Repair, Rehabilitation and Retrofitting III. ICCRRR 2012, 2012, , p. 128-130Conference paper (Refereed)
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