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  • 351.
    Alima, Luc Onana
    et al.
    RISE - Research Institutes of Sweden, ICT, SICS.
    Ghodsi, Ali
    RISE - Research Institutes of Sweden, ICT, SICS.
    Haridi, Seif
    RISE - Research Institutes of Sweden, ICT, SICS.
    A Framework for Structured Peer-to-Peer Overlay Networks2004Report (Other academic)
    Abstract [en]

    Structured peer-to-peer overlay networks have recently emerged as good candidate infrastructure for building novel large-scale and robust Internet applications in which participating peers share computing resources as equals. In the past three year, various structured peer-to-peer overlay networks have been proposed, and probably more are to come. We present a framework for understanding, analyzing and designing structured peer-to-peer overlay networks. The main objective of the paper is to provide practical guidelines for the design of structured overlay networks by identifying a fundamental element in the construction of overlay networks: the embedding of k-ary trees. Then, a number of effective techniques for maintaining these overlay networks are discussed. The proposed framework has been effective in the development of the DKS system.

  • 352. Alima, Luc Onana
    et al.
    Haridi, Seif
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Van Roy, Peter
    NetProber: a component for enhancing efficiency of overlay networks in P2P systems2002Conference paper (Refereed)
  • 353.
    Alipour, Y.
    et al.
    KTH Royal Institute of Technology.
    Viklund, Peter
    RISE, Swerea, Swerea KIMAB.
    Henderson, P.
    Vattenfall Research and Development.
    The analysis of furnace wall deposits in a low-NOx waste wood-fired bubbling fluidised bed boiler2012In: VGB PowerTech, ISSN 14353199, Vol. 92, no 12, p. 96-100Article in journal (Refereed)
    Abstract [en]

    Increasing use is being made of biomass as fuel for electricity production as the price of natural wood continues to rise. Therefore, more use is being made of waste wood (recycled wood). However, waste wood contains more chlorine, zinc and lead, which are believed to increase corrosion rates. Corrosion problems have occurred on the furnace walls of a fluidised bed boiler firing 100 % waste wood under low-NOx conditions. The deposits have been collected and analysed in order to understand the impact of the fuel.

  • 354.
    Alipour, Yousef
    et al.
    KTH Royal Institute of Technology, Sweden.
    Talus, Annika
    RISE - Research Institutes of Sweden, Materials and Production, KIMAB.
    Henderson, Pamela
    KTH Royal Institute of Technology, Sweden; Vattenfall AB, Sweden.
    Norling, Rikard
    RISE - Research Institutes of Sweden, Materials and Production, KIMAB.
    The effect of co-firing sewage sludge with used wood on the corrosion of an FeCrAl alloy and a nickel-based alloy in the furnace region2015In: Fuel processing technology, ISSN 0378-3820, E-ISSN 1873-7188, Vol. 138, p. 805-813Article in journal (Refereed)
    Abstract [en]

    The effect of digested sewage sludge as a fuel additive to reduce corrosion of furnace walls has been studied. The nickel base alloy Alloy 625 and the iron-chromium-aluminium alloy Kanthal APMT™ were exposed for 14.25. h at the furnace wall in a power boiler burning 100% used (also known as waste or recycled) wood. The test was then repeated with the addition of sewage sludge to the waste wood. The samples were chemically analysed and thermodynamically modelled and the corrosion mechanisms were investigated. The results showed that the co-firing of sewage sludge with recycled wood leads to a reduction in the corrosion. Attack by a potassium-lead combination appeared to be the main corrosion mechanism in Alloy 625 during waste wood combustion, while attack by alkali chloride was found to be dominant in APMT alloy.

  • 355.
    Alirezaie, Marjan
    et al.
    Örebro University, Sweden.
    Hammar, Karl
    RISE - Research Institutes of Sweden, ICT, SICS. Jönköping University, Sweden.
    Blomqvist, Eva
    RISE - Research Institutes of Sweden, ICT, SICS.
    SmartEnv as a network of ontology patterns2018In: Semantic Web, ISSN 1570-0844, E-ISSN 2210-4968, Vol. 9, no 6, p. 903-918Article in journal (Refereed)
    Abstract [en]

    In this article we outline the details of an ontology, called SmartEnv, proposed as a representational model to assist the development process of smart (i.e., sensorized) environments. The SmartEnv ontology is described in terms of its modules representing different aspects including physical and conceptual aspects of a smart environment. We propose the use of the Ontology Design Pattern (ODP) paradigm in order to modularize our proposed solution, while at the same time avoiding strong dependencies between the modules in order to manage the representational complexity of the ontology. The ODP paradigm and related methodologies enable incremental construction of ontologies by first creating and then linking small modules. Most modules (patterns) of the SmartEnv ontology are inspired by, and aligned with, the Semantic Sensor Network (SSN) ontology, however with extra interlinks to provide further precision and cover more representational aspects. The result is a network of 8 ontology patterns together forming a generic representation for a smart environment. The patterns have been submitted to the ODP portal and are available on-line at stable URIs.

  • 356.
    Alirezaie, Marjan
    et al.
    Örebro University, Sweden .
    Hammar, Karl
    RISE - Research Institutes of Sweden, ICT, SICS. Jönköping University, Sweden.
    Blomqvist, Eva
    RISE - Research Institutes of Sweden, ICT, SICS.
    Nystrom, Mikael
    Linköping University, Sweden.
    Ivanova, Valentina
    RISE - Research Institutes of Sweden, ICT, SICS.
    SmartEnv ontology in E-care@home (Short paper)2018In: CEUR Workshop Proceedings, 2018, Vol. 2213, p. 72-79Conference paper (Refereed)
    Abstract [en]

    In this position paper we briey introduce SmartEnv ontology which relies on SEmantic Sensor Network (SSN) ontology and is used to represent different aspects of smart and sensorized environments. We will also talk about E-carehome project aiming at providing an IoT-based health-care system for elderly people at their homes. Furthermore, we refer to the role of SmartEnv in Ecarehome and how it needs to be further extended to achieve semantic interoperability as one of the challenges in development of autonomous health care systems at home.

  • 357.
    Alirezaie, Marjan
    et al.
    Örebro University, Sweden.
    Renoux, Jennifer
    Örebro University, Sweden.
    Köckemann, Uwe
    Örebro University, Sweden.
    Kristoffersson, Annica
    Örebro University, Sweden.
    Karlsson, Lars
    Örebro University, Sweden.
    Blomqvist, Eva
    RISE - Research Institutes of Sweden, ICT, SICS.
    Tsiftes, Nicolas
    RISE - Research Institutes of Sweden, ICT, SICS.
    Voigt, Thiemo
    RISE - Research Institutes of Sweden, ICT, SICS.
    Loutfi, A
    Örebro University, Sweden.
    An ontology-based context-aware system for smart homes: E-care@home2017In: Sensors, ISSN 1424-8220, E-ISSN 1424-8220, Vol. 17, no 7, article id 1586Article in journal (Refereed)
    Abstract [en]

    Smart home environments have a significant potential to provide for long-term monitoring of users with special needs in order to promote the possibility to age at home. Such environments are typically equipped with a number of heterogeneous sensors that monitor both health and environmental parameters. This paper presents a framework called E-care@home, consisting of an IoT infrastructure, which provides information with an unambiguous, shared meaning across IoT devices, end-users, relatives, health and care professionals and organizations. We focus on integrating measurements gathered from heterogeneous sources by using ontologies in order to enable semantic interpretation of events and context awareness. Activities are deduced using an incremental answer set solver for stream reasoning. The paper demonstrates the proposed framework using an instantiation of a smart environment that is able to perform context recognition based on the activities and the events occurring in the home.

  • 358. Allahviranloo, Tofigh
    et al.
    Skuka, Arjan
    Tahvili, Sahar
    RISE, Swedish ICT, SICS.
    On the global solution of a fuzzy linear system2014In: Journal of Fuzzy Set Valued Analysis, ISPACS, Vol. 2014Article in journal (Refereed)
    Abstract [en]

    The global solution of a fuzzy linear system contains the crisp vector solution of a real linear system. So discussion about the global solution of a n × n fuzzy linear system Ax˜ = b˜ with a fuzzy number vector b in the right hand side and crisp a coefficient matrix A is considered. The advantage of the paper is developing a new algorithm to find the solution of such system by considering a global solution based upon the concept of a convex fuzzy numbers. At first the existence and uniqueness of the solution are introduced and then the related theorems and properties about the solution are proved in details. Finally the method is illustrated by solving some numerical examples. Keywords: Fuzzy linear system, Algebraic solution, Fuzzy number.

  • 359. Alleaume, PF
    et al.
    Aspemyr, L
    Gevorgian, S
    Houdbert,  JC
    Jacobsson, H
    Pettersson, L
    RISE, Swedish ICT, Acreo.
    Platt, D
    RISE, Swedish ICT, Acreo.
    Salter, M
    RISE, Swedish ICT, Acreo.
    Vorobie, A
    A Highly Integrated Heterogeneous Micro- and mm-wave Platform2010In: IEEE MTT 2010 International Microwave Symposium, 2010Conference paper (Refereed)
    Abstract [en]

    A highly integrated platform for micro- and mm-wave frequency applications is introduced. The platform utilizes heterogeneous process modules with integrated passive and tunable devices together with silicon and GaAs MMIC technology to achieve outstanding flexibility. The different process modules are accounted for and their feasibility is proven through a number of application demonstrators from 23 GHz telecom backhauling and 77 GHz automotive radar indicating excellent performance.

  • 360.
    Allen, D.H.
    et al.
    Texas AandM University.
    Holmberg, Anders
    RISE, Swerea, Swerea SICOMP.
    Ericson, M.
    Volvo Car Components Corporation.
    Lans, L.
    Volvo Car Corporation.
    Svensson, N.
    Xdin AB.
    Holmberg, S.
    Volvo Car Components Corporation.
    Modeling the viscoelastic response of GMT structural components2001In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 61, no 4, p. 503-515Article in journal (Refereed)
    Abstract [en]

    A glass-mat-reinforced thermoplastic (GMT) composite material has been fabricated from randomly oriented continuous glass fibers embedded in a polypropylene matrix. The mechanical constitution of this composite has been characterized by using a linear viscoelastic micromechanically based material model. This material model has subsequently been implemented to several finite-element computer codes for analysis of structural components fabricated from polypropylene GMT. In this paper several example problems have been studied in order to determine the applicability of this modeling approach to predicting time-dependent deformations due to creep in GMT components. These example problems have been solved by utilizing two commercially available codes: ABAQUS, and ANSYS. Furthermore, results obtained with the codes have been compared to both analytic and experimental results, with varying degrees of success. The paper details these results for each of the example problems considered herein. © 2001 Elsevier Science Ltd. All rights reserved.

  • 361. Allen, J.C.
    et al.
    Eriksson, Caj
    SIK – Svenska livmedelsinstitutet.
    Galpin, J.R.
    Affinity chromatography of lipoxygenases1977In: European Journal of Biochemistry, Vol. 93, p. 171-177Article in journal (Refereed)
  • 362. Allen, LT
    et al.
    Fox, EJP
    Blute, I
    YKI – Ytkemiska institutet.
    Kelly, ZD
    Rochev, Y
    Keenan, AK
    Dawson,
    Interaction of soft condensed materials with living cells: Phenotype/transcriptome correlations for the hydrophobic effect2003In: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 100, p. 6331-6336Article in journal (Refereed)
    Abstract [en]

    The assessment of biomaterial compatibility relies heavily on the analysis of macroscopic cellular responses to material interaction. However, new technologies have become available that permit a more profound understanding of the molecular basis of cell-biomaterial interaction. Here, both conventional phenotypic and contemporary transcriptomic (DNA microarray-based) analysis techniques were combined to examine the interaction of cells with a homologous series of copolymer films that subtly vary in terms of surface hydrophobicity. More specifically, we used differing combinations of N-isopropylacrylamide, which is presently used as an adaptive cell culture substrate, and the more hydrophobic, yet structurally similar, monomer N-tert-butylacrylamide. We show here that even discrete modifications with respect to the physiochemistry of soft amorphous materials can lead to significant impacts on the phenotype of interacting cells. Furthermore, we have elucidated putative links between phenotypic responses to cell-biomaterial interaction and global gene expression profile alterations. This case study indicates that high-throughput analysis of gene expression not only can greatly refine our knowledge of cell-biomaterial interaction, but also can yield novel biomarkers for potential use in biocompatibility assessment

  • 363.
    Allgardsson, Anders
    et al.
    FOI Swedish Defence Research Agency, Sweden.
    Berg, Lotta
    Umeå University, Sweden.
    Akfur, Christine
    FOI Swedish Defence Research Agency, Sweden.
    Hörnberg, Andreas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Processum.
    Worek, Franz
    Bundeswehr Institute of Pharmacology and Toxicology, Germany.
    Linusson, Anna
    Umeå University, Sweden.
    Ekström, Fredrik J.
    FOI Swedish Defence Research Agency, Sweden.
    Structure of a prereaction complex between the nerve agent sarin, its biological target acetylcholinesterase, and the antidote HI-62016In: Proceedings of the National Academy of Sciences of the United States of America, ISSN 0027-8424, E-ISSN 1091-6490, Vol. 113, no 20, p. 5514-5519Article in journal (Refereed)
    Abstract [en]

    Organophosphorus nerve agents interfere with cholinergic signaling by covalently binding to the active site of the enzyme acetylcholinesterase (AChE). This inhibition causes an accumulation of the neurotransmitter acetylcholine, potentially leading to overstimulation of the nervous system and death. Current treatments include the use of antidotes that promote the release of functional AChE by an unknown reactivation mechanism. We have used diffusion trap cryocrystallography and density functional theory (DFT) calculations to determine and analyze prereaction conformers of the nerve agent antidote HI-6 in complex with Mus musculus AChE covalently inhibited by the nerve agent sarin. These analyses reveal previously unknown conformations of the system and suggest that the cleavage of the covalent enzyme-sarin bond is preceded by a conformational change in the sarin adduct itself. Together with data from the reactivation kinetics, this alternate conformation suggests a key interaction between Glu202 and the O-isopropyl moiety of sarin. Moreover, solvent kinetic isotope effect experiments using deuterium oxide reveal that the reactivation mechanism features an isotope-sensitive step. These findings provide insights into the reactivation mechanism and provide a starting point for the development of improved antidotes. The work also illustrates how DFT calculations can guide the interpretation, analysis, and validation of crystallographic data for challenging reactive systems with complex conformational dynamics.

  • 364.
    Allison, R.S.
    et al.
    York University, Canada.
    Brunnstrom, Kjell
    RISE - Research Institutes of Sweden, ICT, Acreo.
    Chandler, D.M.
    Shizuoka University, Japan.
    Colett, H.
    Intel Corp, USA.
    Corriveau, P.
    Intel Corp, USA.
    Daly, S.
    Dolby Laboratories Inc, USA.
    Goel, J.
    Qualcomm Technologies, USA.
    Long, J.Y.
    Intel Corp, USA.
    Wilcox, L.M.
    York University, Canada.
    Yaacob, Y.
    Shizuoka University, Japan.
    Yang, S. N.
    Pacific University, USA.
    Zhang, Y.
    Xi’an Jiaotong University, China.
    Perspectives on the definition of visually lossless quality for mobile and large format displays2018In: Journal of Electronic Imaging, ISSN 10179909, Vol. 27, no 5, article id 053035Article in journal (Refereed)
    Abstract [en]

    Advances in imaging and display engineering have given rise to new and improved image and videoapplications that aim to maximize visual quality under given resource constraints (e.g., power, bandwidth).Because the human visual system is an imperfect sensor, the images/videos can be represented in a mathematicallylossy fashion but with enough fidelity that the losses are visually imperceptible—commonly termed“visually lossless.” Although a great deal of research has focused on gaining a better understanding ofthe limits of human vision when viewing natural images/video, a universally or even largely accepted definitionof visually lossless remains elusive. Differences in testing methodologies, research objectives, and targetapplications have led to multiple ad-hoc definitions that are often difficult to compare to or otherwise employ inother settings. We present a compendium of technical experiments relating to both vision science and visualquality testing that together explore the research and business perspectives of visually lossless image quality,as well as review recent scientific advances. Together, the studies presented in this paper suggest that a singledefinition of visually lossless quality might not be appropriate; rather, a better goal would be to establish varyinglevels of visually lossless quality that can be quantified in terms of the testing paradigm.

  • 365.
    Allsopp, Ben
    et al.
    Sheffield Hallam University, UK.
    Orman, Robin
    Johnson, Simon R.
    Baistow, Ian
    Lundstedt, Karin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Sundberg, Peter
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Baquedano-Peralvarez, Estela
    CSIC Spanish National Research Council, Spain.
    Stålhandske, Christina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Andersson, Anne
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Postigo, Pablo Aitor
    CSIC Spanish National Research Council, Spain.
    Booth, Jonathan
    Bingham, Paul A.
    Sheffield Hallam University, UK.
    Karlsson, Stefan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
    Towards ultra-thin glasses for solar energy applications2016Conference paper (Other academic)
  • 366.
    Allvar, Marie
    RISE, Swerea, Swerea KIMAB.
    MIG/MAG brazing with cold metal transfer2012Report (Refereed)
    Abstract [en]

    In the automotive industry a commonly used material is thin steel sheets coated with a thin layer of zinc for corrosion resistance purposes. Welding of this material, with the high temperatures involved, causes problems with zinc burn-off leading to reduced corrosion resistance. The zinc evaporation also causes arc disturbances leading to spatter formation, pores and difficulties achieving good visual weld quality. The joints are in many cases visible or semi-visible (e.g. visible after opening a door) and “A-grade” quality is demanded, meaning no visible discontinuities are allowed. It also implies a smooth and generally appealing appearance of the joint. An alternative to welding is brazing, and laser brazing meets the requirements but the process is associated with high costs. In the national project “LEX-B”, funded by Vinnova, the possibilities of using arc brazing, in particular one MIG/MAG brazing and two TIG brazing processes, for some automotive applications are investigated. This master thesis is connected to the first part of the project and aims at compiling data for making a selection of the most promising process to investigate and optimise further. LEX-B is conducted in cooperation between Swerea KIMAB AB, Volvo Trucks, Scania CV and University West. The joint of interest is a lap joint between bottom and upper sheets of 1.2 mm and 0.8 mm respectively that represents a joint on the side of a truck cabin. The requirements are visual A-grade quality and tensile shear strength of 300 MPa. In the project the MIG/MAG process Cold Metal Transfer (CMT) was compared to the TIG processes forceTIG and Plasmatron. CMT was experimentally investigated while the results for the other two processes were obtained partly from a previous study and partly from Volvo Trucks where tests were performed simultaneously. A system for measuring data for the process was developed, test specimens were brazed and examined visually and mechanical destructive testing was performed to ensure the tensile shear strength. Parameter studies were done for further process optimisation.

  • 367.
    Alm, F
    SIK – Svenska institutet för konserveringsforskning.
    Askorbinsyraoxidation under upptining av frysta jordgubbar och hallon1958Report (Refereed)
  • 368.
    Alm, F
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Femte köttforskarmötet (Vème Réunion des instituts de recherches sur viandes) i Paris 7-12 september 19591960Report (Refereed)
  • 369.
    Alm, F
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Några orienterande försök över inverkan av gammastrålning på sillinläggningar1959Report (Refereed)
  • 370.
    Alm, F
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    The ripening process in Scandinavian anchovy1964Report (Refereed)
  • 371.
    Alm, F
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Molin, N L
    Erichsen, I
    The effect of vacuumpackaging on some sliced processed meat products judged by organoleptical and bacteriological analysis1960Report (Refereed)
  • 372.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    C-vitaminet och livsmedelsförädlingen1952In: Svensk Jordbruksforskning, Årsbok, p. 260-270Article in journal (Other academic)
  • 373.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    Effect of Acetic Acid on the Oxidation of Ascorbic Acid in Fruits and Vegetables1952In: Nature, ISSN 0028-0836, E-ISSN 1476-4687, Vol. 169, no 4309, p. 934-Article in journal (Refereed)
    Abstract [en]

    IT has been established by earlier investigators that acetic acid has a destructive effect on the ascorbic acid in raw cabbage. This effect is somewhat surprising, since the lower the pH in the medium, the more stable is the ascorbic acid and, therefore, one would expect the acetic acid to have a preservative effect on the ascorbic acid in cabbage. However, in experiments carried out in the early months of 1951, we found that, in many fruits and vegetables, the ascorbic acid is to a remarkable degree oxidized into dehydroascorbic acid if slices are sprinkled with 5 per cent acetic acid and allowed to stand for two hours. This oxidation does not take place if water is used instead of acetic acid. Other lower fatty acids have a similar effect. The action of lactic acid is very slow and that of citric and tartaric acid practically negligible. © 1952 Nature Publishing Group.

  • 374.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    Maillard-reaktionen - ett näringsfysiologiskt problem1952In: Skolkökslärarinnornas Tidning, Vol. 37, no 7, p. 174-180Article in journal (Other academic)
  • 375.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    The effect of acetic acid on the oxidation of ascorbic acid in plant tissue: 1. Cabbage1952In: Internationale Zeitschrift für Vitaminforschung, Vol. 23, no 4, p. 459-470Article in journal (Refereed)
  • 376.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    The effect of acetic acid on the oxidation of ascorbic acid in plant tissue: 2. Various vegetables and fruits1952In: Internationale Zeitschrift für Vitaminforschung, Vol. 24, no 1-2, p. 81-87Article in journal (Refereed)
  • 377.
    Alm, Frithiof
    SIK – Svenska institutet för konserveringsforskning.
    Varför bleknar jordgubbskompotten?1951In: Skolkökslärarinnornas Tidning, Vol. 36, no 10, p. 237-244Article in journal (Other academic)
  • 378.
    Alm, Frithiof
    et al.
    SIK – Svenska institutet för konserveringsforskning.
    Erichsen, Inger
    SIK – Svenska institutet för konserveringsforskning.
    Molin, Nils
    SIK – Svenska institutet för konserveringsforskning.
    Marcuse, Reinhard
    SIK – Svenska institutet för konserveringsforskning.
    The effect of vacuum packaging on some sliced processed meat products as judged by organoleptic and bacteriologic analysis1961In: Food Technology, Vol. 15, no 4, p. 199-203Article in journal (Refereed)
  • 379.
    Alm, H.K.
    et al.
    RISE, Innventia.
    Ström, Göran
    RISE, Innventia.
    Karlström, Katarina
    Schoelkopf, J.
    Gane, P.A.C.
    Effect of excess dispersant on surface properties and liquid interactions on calcium carbonate containing coatings2010In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 25, no 1, p. 82-92Article in journal (Refereed)
    Abstract [en]

    The aim of this work was to identify what effects excess amount of sodium polyacrylate, a commonly used dispersant, has on the coating properties and the interaction between ink and the paper coating in offset printing. Since polyacrylate strongly interacts with calcium ions, soluble calcium salt was added to some coating colours to illustrate the impact of charge neutralization by calcium ions. It was found that the coating structure was only slightly affected by the extra addition of polyacrylate, showing some weak flocculation, whereas the surface chemistry was strongly influenced. The coatings became more polar and interacted more strongly with water. This resulted in slower ink setting and reduced ink-paper coating adhesion, especially in the presence of applied water/dampening solution, which are identified as contributory factors in ink piling and print mottle.

  • 380.
    Alm, Jonas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik, Säkerhet och Funktion.
    Tester och CE-märkning av personlig skyddsutrustning2015In: Nordisk Industri, no 2, p. 29-Article in journal (Other (popular science, discussion, etc.))
  • 381. Almberg, Wah-Sui
    et al.
    Boman, Magnus
    RISE, Swedish ICT, SICS, Decisions, Networks and Analytics lab.
    An active agent portfolio algorithm2003In: Artificial intelligence and computer science, Nova publishers , 2003, 1, p. 123-134Chapter in book (Refereed)
    Abstract [en]

    An algorithm for managing a portfolio of stocks using a trading agent is presented. A simulation game inspired by history-based Parrondo games is described. A performance measure is defined, with which various strategy mixes can be judged. Even when transaction costs are taken into account, active portfolio management (as opposed to Buy and Hold) is shown to be profitable.

  • 382. Almeida, A F L
    et al.
    Fechine, P B A
    Sasaki, J M
    Ayala, A P
    Goes, J C
    Pontes, D L
    Margulis, W
    RISE, Swedish ICT, Acreo.
    Optical electrical properties of barium titanate hydroxyapatite composite screen-printed thick films2004In: Solid State Sciences, Vol. 6, no 3, p. 267-78Article in journal (Refereed)
  • 383.
    Almeida, Cheila
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience. University of Lisbon, Portugal.
    Altintzoglou, Themistoklis
    Norwegian Institute of Food, Fisheries and Aquaculture Research, Norway.
    Cabral, Henrique
    University of Lisbon, Portugal.
    Vaz, Sofia Guedes
    University of Lisbon, Portugal.
    Does seafood knowledge relate to more sustainable consumption?2015In: British Food Journal, ISSN 0007-070X, E-ISSN 1758-4108, Vol. 117, no 2, p. 894-914Article in journal (Refereed)
    Abstract [en]

    Purpose – Portugal is a country with one of the highest seafood consumption per capita in the world. The purpose of this paper is to understand the Portuguese knowledge and attitudes towards seafood and relate it to consumers’ environmental conscious. Design/methodology/approach – Using an internet-based survey the authors investigated the relation of socio-demographic variables to consumption frequency and how knowledge about seafood is associated with interest in different information when purchasing seafood products. Findings – Results demonstrate consumption of a high diversity of species. Tuna and cod are the top species related to convenience and food traditions. There is a preference to consume seafood mostly at home and prepared grilled. Differences between higher and lower knowledgeable consumers’ related to seafood, show that the first ones have a more diversified use of species and high prevalence of small pelagic fish. Research limitations/implications – The findings are influenced by the sample obtained, which overrepresents well-educated and higher income people. Moreover the self-reported consumption can be biased by individuals own perceptions and different seafood products. Better estimations of consumption frequency could result from asking more detailed information, as such as by species or meal occasions. Practical implications – Portuguese consumers have high knowledge about seafood but it is not necessarily related to sustainable choices. To help in sustainable seafood choices it might be more effective to promote existing habits based on Portuguese traditions that still are good alternatives for the marine environment. Originality/value – A higher consumer’s knowledge does not necessarily mean more sustainability

  • 384.
    Almeida, Cheila
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience. University of Lisbon, Portugal; New University of Lisbon, Portugal.
    Karadzic, Vanja
    New University of Lisbon, Portugal.
    Vaz, Sofia
    New University of Lisbon, Portugal.
    The seafood market in Portugal: Driving forces and consequences2015In: Marine Policy, ISSN 0308-597X, E-ISSN 1872-9460, Vol. 61, p. 87-94Article in journal (Refereed)
    Abstract [en]

    Portugal has the third highest seafood consumption per capita in the world and current patterns of seafood consumption are linked to how seafood products were embodied in the Portuguese society. The objective of this research is to understand Portuguese seafood consumption's main drivers and its consequences. For that official statistics were analyzed and a literature review on seafood consumption was undertaken. Portuguese seafood consumption is characterized by a wide diversity of species and preparing modes, when compared to other countries in Europe. Cod (salted and dried), does not exist in Portuguese waters but due to several factors, such as politics, religion and tradition, became the main species in Portuguese seafood consumption, representing around 38% of the national seafood demand. Five drivers are suggested to explain why Portuguese eat so much seafood: geography, marine resources, fisheries, social forces and politics; and consequences for the environment, economy and health are discussed. Hence while most dietary recommendations advise an increase in fish consumption is not applicable to Portugal and a more sustainable seafood consumption for the future is advocated.

  • 385.
    Almeida, Cheila
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Vaz, S.
    Cabral, H.
    Ziegler, Friederike
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Environmental assessment of sardine (Sardina pilchardus) purse seine fishery in Portugal with LCA methodology including biological impact categories2014In: The International Journal of Life Cycle Assessment, ISSN 0948-3349, E-ISSN 1614-7502, Vol. 19, no 2, p. 297-306Article in journal (Refereed)
    Abstract [en]

    Purpose: The purse seine fishery for sardine is the most important fishery in Portugal. The aim of the present study is to assess the environmental impacts of sardine fished by the Portuguese fleet and to analyse a number of variables such as vessel size and time scale. An additional goal was to incorporate fishery-specific impact categories in the case study. Methods: Life Cycle Assessment methodology was applied, and data were collected from nine vessels, which represented around 10 % of the landings. Vessels were divided into two length categories, above and below 12 m, and data were obtained for the years 2005 to 2010. The study was limited to the fishing phase only. The standard impact categories included were energy use, global warming potential, eutrophication potential, acidification potential and ozone depletion potential. The fishery-specific impact categories were overfishing, overfishedness, lost potential yield, mean trophic level and the primary production required, and were quantified as much as possible. Results and discussion: The landings from the data set were constituted mainly by sardine (91 %), and the remainders were other small pelagic species (e.g. horse mackerel). The most important input was the fuel, and both vessel categories had the same fuel consumption per catch 0.11 l/kg. Average greenhouse gas emissions (carbon footprint) were 0.36 kg CO2 eq. per kilo sardine landed. The fuel use varied between years, and variability between months can be even higher. Fishing mortality has increased, and the spawning stock biomass has decreased resulting in consequential overfishing for 2010. A correlation between fuel use and stock biomass was not found, and the stock condition does not seem to directly influence the global warming potential in this fishery. Discards were primarily non-target small pelagic species, and there was also mortality of target species resulting from slipping. The seafloor impact was considered to be insignificant due to the fishing method. Conclusions: The assessment of the Portuguese purse seine fishery resulted in no difference regarding fuel use between large and small vessels, but differences were found between years. The stock has declined, and it has produced below maximum sustainable yield. By-catch and discard data were missing but may be substantial. Even being difficult to quantify, fishery impact categories complement the environmental results with biological information and precaution is need in relation to the stock management. The sardine carbon footprint from Portuguese purse seine was lower than that of other commercial species reported in. © 2013 Springer-Verlag Berlin Heidelberg.

  • 386.
    Almeida, Cheila
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Vaz, S.
    Cabral, H.
    Ziegler, Friederike
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Institutet för livsmedel och bioteknik.
    Erratum: Environmental assessment of sardine (Sardina pilchardus) purse seine fishery in Portugal with LCA methodology including biological impact categories (The International Journal of Life Cycle Assessment DOI: 10.1007/s11367-013-0646-5)2014In: The International Journal of Life Cycle Assessment, ISSN 0948-3349, E-ISSN 1614-7502, Vol. 19, no 2, p. 471-472Article in journal (Refereed)
  • 387.
    Almeida, Cheila
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Environment. New University of Lisbon, Portugal.
    Vaz, Sofia Guedes
    Portuguese Government, Portugal.
    Sevilla Ziegler, Friederike
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Environment.
    Environmental Life Cycle Assessment of a Canned Sardine Product from Portugal2015In: Journal of Industrial Ecology, ISSN 1088-1980, E-ISSN 1530-9290, Vol. 19, no 4, p. 607-617Article in journal (Refereed)
    Abstract [en]

    This study aims to assess the environmental impacts of canned sardines in olive oil, by considering fishing, processing, and packaging, using life cycle assessment (LCA) methodology. The case study concerns a product of a canning factory based in Portugal and packed in aluminum cans. It is the first LCA of a processed seafood product made with the traditional canning method. The production of both cans and olive oil are the most important process in the considered impact categories. The production of olives contributes to the high environmental load of olive oil, related to cultivation and harvesting phases. The production of aluminum cans is the most significant process for all impact categories, except ozone depletion potential and eutrophication potential, resulting from the high energy demand and the extraction of raw materials. To compare to other sardine products consumed in Portugal, such as frozen and fresh sardines, transport to the wholesaler and store was added. The environmental cost of canned sardines is almost seven times higher per kilogram of edible product. The main action to optimize the environmental performance of canned sardines is therefore to replace the packaging and diminish the olive oil losses as much as possible. Greenhouse gas emissions are reduced by half when plastic packaging is considered rather than aluminum. Frozen and fresh sardines represent much lower environmental impacts than canned sardines. Nevertheless, when other sardine products are not possible, it becomes feasible to use sardines for human consumption, preventing them from being wasted or used suboptimally as feed.

  • 388. Almgren, Jonas
    et al.
    Andersson, Stefan
    Carlsson, Mats
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Flood, Lena
    Haridi, Seif
    RISE, Swedish ICT, SICS, Computer Systems Laboratory.
    Frisk, Claes
    Nilsson, Hans
    Sundberg, Jan
    SICStus Prolog library manual, version 2.1 #81993Report (Other academic)
    Abstract [en]

    This Manual corresponds to SICStus Prolog release 2.1. #8 The Prolog library comprises a number of packages which are thought to be useful in a number of applications. Note that the predicates in the Prolog library are built-in predicates. One has to explicity load each package to get access to its predicates. To load a library package Package, you will normally enter a query. I ?- use_module(library(Package)). Library packages may be compiled and consulted as well as loaded.

  • 389.
    Almgren, Jonas
    et al.
    RISE - Research Institutes of Sweden, ICT, SICS.
    Andersson, Stefan
    RISE - Research Institutes of Sweden, ICT, SICS.
    Flood, Lena
    RISE - Research Institutes of Sweden, ICT, SICS.
    Frisk, Claes
    Nilsson, Hans
    Sundberg, Jan
    SICStus Prolog library manual1991Report (Other academic)
  • 390.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Astacin som naturligt färgämne för livsmedel1959Report (Refereed)
  • 391.
    Almgren, K
    SIK – Svenska institutet för konserveringsforskning.
    Försök att förhindra mikrobiella skador efter äggtvättning genom pastörisering1954Report (Refereed)
  • 392.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Influence of temperature and humidity on the microbial decay and physical properties of shell eggs1956Report (Refereed)
  • 393.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Kyllagring av jordgubbar och hallon med och utan paketering i Lumarith-film : försök 1953 och 19541956Report (Refereed)
  • 394.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Lagringsförsök med jordgubbar och hallon sommaren 19521953Report (Refereed)
  • 395.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Några data om maleinsyrahydrazid, dess användning och toxicitet1953Report (Refereed)
  • 396.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Olika oljetypers effekt på lagringsresultatet vid försök med oljebehandling av ägg1960Report (Refereed)
  • 397.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Skalkvaliteten hos ägg : jämförelse mellan olika bestämningsmetoder1961Report (Refereed)
  • 398.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Studier över skadegörande bakterier i västsvenska ägg1961Report (Refereed)
  • 399.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Tvättningens inverkan på förlusterna genom rötskador vid lagring av handelsägg1956Report (Refereed)
  • 400.
    Almgren, K
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, SIK – Svenska institutet för konserveringsforskning.
    Undersökning av möjligheten att skilja tvättade från otvättade ägg i UV-ljus1959Report (Refereed)
567891011 351 - 400 of 20950
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