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  • 1901.
    Berg, Per
    et al.
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Oja, Johan
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Sortering av furukärnvedsråvara till snickeriindustrin2006Report (Refereed)
  • 1902.
    Berg, Per
    et al.
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Oja, Johan
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Fjellström, Per-Anders
    SP- Sveriges Tekniska Forskningsinstitut, Trätek.
    Short fibre angle application manual2006Report (Refereed)
  • 1903.
    Berg, Per
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, TräteknikCentrum , Trätek.
    Uusijärve, Richard
    Utveckling av styrmodell för hållströmsfri slidventil1987Report (Other academic)
    Abstract [sv]

    För att prova om en skogsmaskins hydraulsystems tillgänglighet och styrbarhet kan ökas har prov genomförts med seriell kommunikation och styrning av on-off-ventiler med puls och motpuls, s k PCP. PCP-systemet styr en hydraulcylinder kopplad till sliden på en slidventil. Resultatet visar att styrmetoden fungerar som avsett, bortsett från att styrtryckets variationer kan ge viss inverkan på styrcylindrarnas förflyttning vid olika pulser. Inverkan av dessa fel går att eliminera varför metoden får anses vara användbar på en skogsmaskin. Försök kommer därför att genomföras med provutrustningen monterad på en engreppsskördare i samverkan med ÖSA AB.

  • 1904.
    Berg, Per
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, TräteknikCentrum , Trätek.
    UUsijärvi, Richard
    Seriell styrning av mobil hydraulik och speciellt skogsmaskiner. Funktionsprov på maskin av hållströmsfria proportionalventiler1987Report (Other academic)
    Abstract [sv]

    Den fjärde och sista rapporten i projektet "Seriell styrning av mobil hydraulik och speciellt skogsmaskiner" behandlar provning av styrsystemet i praktiken, monterat på en skördare Kockum 85/62. Proven utfördes på ÖSA AB i Alfta. Den seriella styrningen visade sig väl lämpad för reglering av såväl matarvalsar, sågmotor som sågsvärd. Det var enkelt att styra även komplexa kap- och matningsförlopp, och säkert endast en koaxialkabel behövde anslutas mellan manöverdonet i hytten och hydraulenheten på kranspetsen. Seriell styrning gör det enkelt att programstyrt prioritera funktionerna så att en optimal styrning erhålles.

  • 1905.
    Berg, Robert
    et al.
    RISE - Research Institutes of Sweden, Bioscience and Materials, Process och Pharmaceuticals Development.
    Bergman, Jan
    Karolinska Institute, Sweden.
    Synthesis of thieno[2,3-b]indole-2,3-diones and their ring expansions induced by diazomethane2017In: Tetrahedron, ISSN 0040-4020, E-ISSN 1464-5416, Vol. 73, no 38, p. 5654-5658Article in journal (Refereed)
    Abstract [en]

    Indole-2-thione 3 reacted quickly with oxalyl chloride to yield thieno[2,3-b]indole-2,3-dione 4 together with the isomer thiazolo[3,2-a]indole-2,3-dione 5. These thieno[2,3-b]indole-2,3diones underwent ring expansions when treated with diazomethane and e.g. thieno[2,3-b]indole-2,3-dione 4 gave the thiopyrano derivative 16, after two insertions.

  • 1906.
    Berg, Staffan
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek..
    Emissioner till luft från fossila bränslen i svenskt skogsbruk - en inventering för LCA av träprodukter1996Report (Other academic)
    Abstract [sv]

    I denna studie har uppgifter tagits fram om bruket av fossila bränslen i svensk skogsbruk. Studien är ett första steg i en LCA-inventering.

  • 1907.
    Berg, Staffan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Jarnehammar, Anna
    Johansson, Robert
    Kollagring i den skogsindustriella sektorn i Sverige2002Report (Other academic)
    Abstract [sv]

    Trätek och SkogForsk har tillsammans fått uppdraget av Statens Energimyndighet att beräkna kollagringen i den skogsindustriella sektorn i Sverige. För att beskriva skogens och dess produkters roll som kolsänka, och därmed positiva påverkan på CO2 och växthusgaser i atmosfären, har här beräkningssätt föreslagna av IPCC (Intergovernmental Panel on Climate Chage) använts. Resultaten är baserade på data från FAO och Riksskogstaxeringen.

  • 1908.
    Berg, Staffan
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Jarnehammar, Anna
    Johansson, Robert
    Kollagring i den skogsindustriella sektorn i Sverige. Beräkningar för sektorn som helhet och i byggnader2003Report (Other academic)
  • 1909.
    Berg, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Analys av vätgassäkerhet i tunnlar och undermarksanläggningar2014Report (Refereed)
  • 1910.
    Berg, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Generisk process för produktion av framtidens fordon med avseende på framtida krav och föreskrifter2012Report (Refereed)
    Abstract [en]

    Generic process for the production of future vehicles concerning future laws and regulations

  • 1911.
    Berg, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Nuvarande lagkrav för montering av elfordon/elhybridfordon (EV/HEV) i Sverige2010Report (Refereed)
  • 1912.
    Berg, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Nuvarande lagkrav för montering av fordon drivna av trycksatt gas2010Report (Refereed)
    Abstract [sv]

    Existing laws for assembly of vehicles powered by pressurized gas

  • 1913.
    Berg, Thomas
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Riktlinjer för differentierad utbildning av personal vid montering av elfordon/Elhybridfordon (EV/HEV)2010Report (Refereed)
  • 1914.
    Bergenhem, C.
    et al.
    Qamcom, Sweden.
    Johansson, Rolf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Coelingh, E.
    Volvo, Sweden.
    Measurements on V2V communication quality in a vehicle platooning application2014In: 10th European Workshop on Public Key Infrastructures, Services and Applications, EuroPKI, 2014, Vol. 8715, p. 35-48p. 35-48Conference paper (Refereed)
    Abstract [en]

    This paper presents results from measurements on Vehicle to Vehicle (V2V) communication between participants in a cooperative application: vehicle platooning. The platoon being studied consists of four vehicles; one truck in the lead and three passenger cars following. The V2V-communication node in each vehicle contains an 802.11p radio tuned to 5.9 GHz. It is used to send messages between vehicles to coordinate movements and maintain safety in the platoon. In cooperative applications, V2V-communication is an enabling technology. The V2V-communication quality is studied according to packet error rate. This is measured in tests with different speeds, antenna position and on two tracks. The paper draws general conclusions on the performance of V2Vcommunication and presents a comparison of the tested antenna placements on the truck.

  • 1915.
    Bergenhem, Carl
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Produktsäkerhet.
    Survey of Membership Agreement Protocols2005Report (Refereed)
  • 1916.
    Bergenhem, Carl
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Hedin, Erik
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Skarin, Daniel
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Vehicle to Vehicle Communications for a Platooning System2012In: Procedia - Social and Behavioral Sciences, Vol. 48, p. 1222-1233Article in journal (Refereed)
  • 1917.
    Bergenhem, Carl
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Jonsson, Magnus
    A Pipelined Ring Network - Heterogeneous Real-time in Radar Signal Processing. Applied Informatics 20032012In: Applied Informatics 2003, 2012, , p. 825-832Conference paper (Other academic)
  • 1918.
    Bergenhem, Carl
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Karlsson, Johan
    A System Model for Distributed Real-time Systems2012Report (Refereed)
    Abstract [en]

    This report presents a system model for a class of distributed real-time systems. The goal is to assist the design of fault tolerance protocols such as membership agreement. The system model contains a description of the node, network, processing in respective sub-models. It also contains a failure model that describes the failures that can plausibly occur in the system. These failures can then be addressed by the fault tolerance protocol. The report contributes with a taxonomy by which failures can be described. The resulting failure model is affected by the model of the system and by the model of how processing is done in the system. The class of system is assumed to be strongly partitioned which provides a high degree of error containment for real-time processes executed in the same node and also for processes executed on different nodes. The smallest unit of failure is therefore the process. The system model uses a broadcast communication network similar to Flexray, i.e. it supports both time-triggered and event-triggered communication. The class of system is chosen based on the requirements of safety-critical applications such as x-by-wire. The processing model for the system is presented in which operation is divided into sequentially executed primitive operations, called CDR-operations (Compute and Distribute Result operations). A CDR-operation involves a producer process which computes a result and distributes the result via broadcast communication to consumer processes. Failures of CDR-operations are characterised by four aspects: type, symmetry, detectability and persistence; depending on which system component that is faulty. We compare our definitions of failure types with communication errors according to IEC 61784-3.

  • 1919.
    Bergenhem, Carl
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Karlsson, Johan
    An Environment for Testing Safety-Critical Distributed Protocols2008Conference paper (Other academic)
  • 1920.
    Bergenhem, Carl
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Elektronik, Pålitliga system.
    Karlsson, Johan
    Health Status Service for Safety Related Systems2008Conference paper (Other academic)
  • 1921. Bergenhem, Carl
    et al.
    Pettersson, Henrik
    Coelingh, Erik
    Englund, Cristofer
    RISE, Swedish ICT, Viktoria.
    Shladover, Steven
    Tsugawa, Sadayuki
    Adolfsson, Magnus
    Overview of platooning systems2012In: Proceedings of the 19th ITS World Congress, 2012, p. 1-7Conference paper (Refereed)
    Abstract [en]

    This paper presents an overview of current projects that deal with vehicle platooning. The platooning concept can be defined as a collection of vehicles that travel together, actively coordinated in formation. Some expected advantages of platooning include increased fuel and traffic efficiency, safety and driver comfort. There are many variations of the details of the concept such as: the goals of platooning, how it is implemented, mix of vehicles, the requirements on infrastructure, what is automated (longitudinal and lateral control) and to what level. The following projects are presented: SARTRE – a European platooning project; PATH – a California traffic automation program that includes platooning; GCDC – a cooperative driving initiative, SCANIA platooning and; Energy ITS – a Japanese truck platooning project.

  • 1922. Bergenstråhle, M.
    et al.
    Wohlert, J.
    Larsson, Per Tomas
    RISE, STFI-Packforsk.
    Mazeau, K.
    Berglund, L. A.
    Dynamics of cellulose - Water interfaces: NMR spin - Lattice relaxation times calculated from atomistic computer simulations2008In: Journal of Physical Chemistry B, ISSN 1520-6106, E-ISSN 1520-5207, Journal of Physical Chemistry B, Vol. 112, no 9, p. 2590-2595Article in journal (Refereed)
    Abstract [en]

    Solid-state nuclear magnetic resonance (CP/MAS 13C NMR) spectroscopy has often been used to study cellulose structure, but some features of the cellulose NMR spectrum are not yet fully understood. One such feature is a doublet around 84 ppm, a signal that has been proposed to originate from C4 atoms at cellulose fibril surfaces. The two peaks yield different T1, differing by approximately a factor of 2 at 75 MHz. In this study, we calculate T1 from C4-H4 vector dynamics obtained from molecular dynamics computer simulations of cellulose I β-water interfacial systems. Calculated and experimentally obtained T1 values for C4 atoms in surface chains fell within the same order of magnitude, 3-20 s. This means that the applied force field reproduces relevant surface dynamics for the cellulose-water interface sufficiently well. Furthermore, a difference in T1 of about a factor of 2 in the range of Larmor frequencies 25-150 MHz was found for C4 atoms in chains located on top of two different crystallographic planes, namely, (110) and (110). A previously proposed explanation that the C4 peak doublet could derive from surfaces parallel to different crystallographic planes is herewith strengthened by computationally obtained evidence. Another suggested basis for this difference is that the doublet originates from C4 atoms located in surface anhydro-glucose units with hydroxymethyl groups pointing either inward or outward. This was also tested within this study but was found to yield no difference in calculated T1.

  • 1923. Bergenstråhle-Wohlert, M.
    et al.
    Berglund, L.A.
    Brady, J.W.
    Larsson, P.T.
    RISE, Innventia.
    Westlund, P.-O.
    Wohlert, J.
    Concentration enrichment of urea at cellulose surfaces: Results from molecular dynamics simulations and NMR spectroscopy2012In: Cellulose (London), ISSN 0969-0239, E-ISSN 1572-882X, no 1, p. 1-12Article in journal (Refereed)
  • 1924.
    Bergenståhl, B
    YKI – Ytkemiska institutet.
    Emulsions1995In: Physico-Chemical Aspects of Food Processing / [ed] Beckett, S.T., Glasgow, UK: Blackie Academic and Professional , 1995, p. 49-64Chapter in book (Refereed)
  • 1925.
    Bergenståhl, B
    YKI – Ytkemiska institutet.
    Gums as stabilisers for emulsifier covered emulsion droplets1988In: Gums and stabilisers for the food industry / [ed] Phillips, G.O., Wedlock, D.J., & Williams, P.A., Oxford, UK: IRL Press , 1988, p. 363-369Chapter in book (Refereed)
  • 1926.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Claesson, Per M
    YKI – Ytkemiska institutet.
    Surface forces in emulsions1990In: Food Emulsions / [ed] Larsson, K., & Friberg, S., Marcel Dekker, 1990, 2, p. 41-96Chapter in book (Refereed)
  • 1927.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Claesson, Per M
    YKI – Ytkemiska institutet.
    Surface forces in emulsions1997In: Food Emulsions: Third edition, revised and expanded / [ed] Larsson, K. & Friberg, S., Marcel Dekker, 1997, 3, p. 57-109Chapter in book (Refereed)
    Abstract [en]

    Emulsions are thermodynamically unstable systems. Therefore, the technical aim of creating "stable emulsions" has to be limited to a control of the instabillity processes (e.g., coalescence, flocculation, creaming, and Ostwald ripening). For this purpose the technologist, in principle, has two tools available: the use of mechanical devices to disperce the system, and the addition of stabilizing additives (natural or artificial) to keep it dispersed. This chapter discusses how the emulsifying additives give rise to stabilizing forces; how these forces affect the kinetics of the instability processes; how they determine the phase behavior of emulsifers; and their relation to the HLB value. The interparticle interactions are determined mainly is coated by lipids and/or proteins. In this chapter we try to point out how a knowledge of interparticle forces, phase behavior, and adsorption may provide an understanding and rationalization of many of the properties of food emulsions.

  • 1928.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Fontell, K
    YKI – Ytkemiska institutet.
    Phase equilibria in the system soybean lecithin/water1983In: Progress in Colloid and Polymer Science, ISSN 0340-255X, E-ISSN 1437-8027, Vol. 68, p. 48-52Article in journal (Refereed)
  • 1929.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Fäldt, P
    Adsorption structures in food emulsions1992In: Emulsions: A fundamental and practical approach / [ed] Sjöblom, J., Kluwer Academic Publishers, 1992, p. 51-60Chapter in book (Refereed)
    Abstract [en]

    Food emulsions in particular, but also most other technical emulsions, are complex mixtures. When surface active components adsorb from a solution of several different surface active molecules, the formed adsorbed layer can roughly be classified in three different structures, i) A monolayer containing one predominant molecule, ii) The formation of one adsorbed monolayer containing a mixture of molecules, iii)Adsorption in layers. A model of an ice cream emulsion is an example in which a layered surface structure is formed. Four different methods were applied to investigate the surface: measurements of the interfacial tension, flocculation rate measurements, electrophoretic mobility measurements and TIRF (Total Internal Reflection Fluorescence). The conclusion we made from this investigation was that the adsorption from solutions with several surface active components might lead to the formation of complex layered structures.

  • 1930.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Fäldt, P
    Surface structure and surface active components in food emulsions1995In: Food Macromolecules and Colloids / [ed] Dickinson, E. & Lorient, D., Royal Society of Chemistry, 1995, p. 201-214Chapter in book (Refereed)
  • 1931.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Hofland, A
    Alkyd emulsions1996In: Polymeric Materials Encyclopedia / [ed] Salamone, J.C., CRC Press, 1996, p. 154-160Chapter in book (Refereed)
    Abstract [en]

    Introduction: The use of waterborne alkyds as binders in coatings is not new, their history going some 30 years back in time. Mostly, this has been in the form of water soluble alkyds, with high acid numbers that provide the water solubility of the resins after neutralization with amines. Such alkyds are mostly used in industrial coatings. Emulsified water insoluble alkyds have so far found most use in the field of decorative and protective coatings, although their use is still limited. A major factor limiting the use of alkyd emulsions is their low rate of oxidative drying, together with some remaining problems concerning colloidal stability of the emulsions. Several factors are believed to contribute to the reduced drying properties of alkyd emulsions as for example interaction between the drier and other paint components and solubility properties of the drier. A water borne paint is a complex system that besides the alkyd droplets in water also contains pigments, dispersants (to stabilize the pigments), surfactants (stabilizing the alkyd droplets), thickeners and several other additives, see Figure 1. The impaired film properties may at least partly be caused by the surfactant which will remain in the paint film and act as a plasticizer. For the segment decorative and protective coatings in Western Europe the market volumes are as follows (solid binder): Solventbased, low solids: 400 ktonne/annum Waterbased, polymer dispersion: 375 ktonne/annllrn Solventbased, high solids: 20 ktonne/annum Alkyd emulsion based: 15 ktonne/annum In most cases the alkyd emulsion is used as co-binder, especially in (hiding) stains and primers for exterior use. In these segments alkyds in white spirit are however still the binder of choice. In the case of alkyd resins for the decorative field, the environmentally friendly possibilities are either as high solids systems or as waterborne emulsions. With the present state of technology, it is very unlikely that alkyd emulsions can match the performance of the present solvent based siliconized alkyds and other extreme outdoor durable systems. Because of their more conventional permeability behaviour and the higher applied layer thickness, high solids seem more suitable for this purpose. Going to the lower end of the market, high solids systems can be applied in almost every segment, the only limitation being their price. For the lowest segments (primers and stains) their application will be limited.It is in these segments that acrylic dispersions have acquired a good reputation both their performance and price have been accepted. In the middle section, ranging from normal outdoor durable alkyds to the better performance stains, alkyd emulsions can be positioned. Their versatility and excellent environmental score (no volatile organic components are necessary) make them exceptionally suitable for this. In many outdoor applications alkyd emulsions will be compared with acrylate dispersions. Typical advantages of acrylate dispersions are their low particle size, quick drying, and good outdoor durability. The last two of these advantages can also be regarded as a disadvantage, since the drying often is considered to be too quick when only small amounts (under 5 %) of coalescing agent are used. The nomenclature then changes from "quick drying" to "short open times". The advantage of good outdoor durability is a.o. based on a good hydrolysis resistance, meaning that although it may take long, once a coating based on acrylic dispersion has deteriorated, the remainders cannot be removed by the usual alkaline paint stripper or heat gun (the dispersions are thermoplastic). Instead flakes of coating will come loose and remain in the environment. The main disadvantage of acrylate dispersions however, the seriousness of which is once again depending upon the application area, is that there always has to be some compromise between film formation (low MFI ) and good blocking properties (high Tg). Since in alkyd emulsions not all chemistry is "finished" when the film is applied, these emulsions can be expected to outperform the thermoplastic dispersions when it comes to properties that are related with film formation from a low Tg material, such as penetration (one of the factors controlling adhesion) and gloss, combined with good dirt pick-up resistance. Whereas the contents of a particle in a polymer dispersion is a true polymer (MW = 100.000 to 1.000.000), in an alkyd emulsion particle we find an oligomer, with a molecular weight ranging from 2000 to 8000. To make a real polymer out of it, the help of cobalt and atmospheric oxygen is required , just as is the case with a conventional alkyd. The fact that molecular buildup still has to take place also means that "derailments" of the crosslinking process will also take place. This means that a film cast from an alkyd emulsion will still exhibit the usual alkyd yellowing and slightly pungent smell. These are caused by decadienal-like structures and hexaldehyde, respectively, resulting from decomposition of the initial hydroperoxide and subsequent beta scission. Always compare an alkyd emulsion with an alkyd and not with a polvmer dispersion in this respect. The aspects where alkyd emulsions differ mostly form solvent-borne alkyd systems are: a) that they are formulated together with water, inducing a risk of hydrolysis upon storage, b) the disperse state of the alkyd, necessitating a high degree of colloidal stability and c) the peculiarities shown in the drying properties of alkyd emulsions. These aspects will be dealt with in the following paragraphs.

  • 1932.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Jönsson, A
    Sjöblom, J
    Stenius, P
    YKI – Ytkemiska institutet.
    Wärnheim, T
    Phase behaviour of binary and ternary non-aqueous aerosol OT systems1987In: Progress in Colloid and Polymer Science, ISSN 0340-255X, E-ISSN 1437-8027, Vol. 74, p. 108-112Article in journal (Refereed)
  • 1933.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Stenius, P
    YKI – Ytkemiska institutet.
    Phase equilibria of dioleoulphosphatidylcholine with formamide methylformamide and dimethylformamide1987In: Journal of Physical Chemistry A, ISSN 1089-5639, E-ISSN 1520-5215, Vol. 91, p. 5944-5948Article in journal (Refereed)
  • 1934.
    Bergenståhl, B
    et al.
    YKI – Ytkemiska institutet.
    Östberg, G
    Alkyd emulsions: Instability and drying properties1995In: Emulsions and Emulsion Stability / [ed] Sjöblom, J., Marcel Dekker, 1995, p. 327-341Chapter in book (Refereed)
  • 1935.
    Bergenståhl, BA
    et al.
    YKI – Ytkemiska institutet.
    Alander, J
    Lipids and colloidal stability1997In: Current Opinion in Colloid & Interface Science, ISSN 1359-0294, E-ISSN 1879-0399, Vol. 2, p. 590-595Article in journal (Refereed)
    Abstract [en]

    Polar lipids have an important role as emulsifiers and stability controlling agents in the food industry. The principal effects of the emulsifiers have been found to depend on the situation in which they are applied. They may act as stabilising additives, creating repulsive interactions between droplets. They may act as emulsifying agents, or they may destabilise emulsions by reducing protein adsorption at the oil/water interface. They may also destabilise emulsions by increasing wettability of fat crystals. Furthermore, they may form micellar or liposomal aggregates in the dispersion, influencing interactions and aggregation.

  • 1936. Bergeron, V
    et al.
    Claesson, PM
    YKI – Ytkemiska institutet.
    Structural forces reflecting polyelectrolyte organization from bulk solutions and within surface complexes2002In: Advances in Colloid and Interface Science, ISSN 0001-8686, E-ISSN 1873-3727, Vol. 96, p. 1-20Article in journal (Refereed)
    Abstract [en]

    The interactions between two macroscopic surfaces approaching one another underlies many of the phenomena observed in Colloid and Interface science. In Russia this gave rise to the branch of colloid science now referred to as Surface Forces. Important discoveries, such as the molecular organization of solvent molecules at an interface, have been unveiled by surface force measurements. More recently, forces and structures at macromolecular length scales have been uncovered. In particular, oscillatory force profiles have been detected from aqueous solutions containing polyelectrolytes. The force¯structure relationship can reflect organization in the bulk solution or the internal structure of the adsorbed layer. Using a range of surface force techniques, combined with X-ray and neutron scattering results, we review the main features of these fascinating systems and provide an overview of how they relate to other systems such as micellar solutions, polymer¯surfactant complexes and simple solvents.

  • 1937. Bergeron, V
    et al.
    Waltermo, Å
    Claesson, PM
    YKI – Ytkemiska institutet.
    Disjoining pressure measurements for foam films stabilized by a nonionic sugar-based surfactant1996In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 12, p. 1336-1342Article in journal (Refereed)
    Abstract [en]

    Disjoining pressure isotherms for foam films made from a nonionic surfactant, octyl b-glucoside, are measured at different surfactant concentrations, ionic strengths and solution pH values. Below the cmc an electrostatic double-layer repulsion is present and dominates the long-range interaction. The decay length of the forces agrees with the expected Debye length and the measured long-range interactions are consistent with solutions to the non-linear Poisson-Boltzmann equation using constant charge conditions. The deduced surface charge densities increase with pH and ionic strength but decrease with increasing surfactant concentration. At, or just above, the cmc, surfactant covers the interface and suppresses the charge sufficiently to induce a transition from a common black film to a Newton black film. Ultimately, the film stability is determined by both surface forces and elasticity. Combining both, via an overall film tension, leads to a general expression for the film elasticity.

  • 1938. Bergeron, Vance
    et al.
    Claesson, Per M
    YKI – Ytkemiska institutet.
    Oscillating structural forces reflecting the organization of bulk solutions and surface complexes: Chapter 302003In: Adsorption and aggregation of surfactants in solution: Fundamentals and applications / [ed] Dinesh O . Shah and K . L . Mittal, CRC Press, 2003, p. 635-654Chapter in book (Refereed)
  • 1939. Berggren, Anna
    et al.
    Hansson, Susanne
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Certifiering.
    Palm, Ola
    Sandström, Matz
    RISE, SP – Sveriges Tekniska Forskningsinstitut.
    Små avlopp i kretslopp2012Report (Refereed)
    Abstract [en]

    The certification system has provided the prerequisites for recycling fractions from small-scale sewage systems and larger source-separating sewage system to arable land in a quality-assured and trusted manner. Realisation of these ‘ecocycle solutions’ will be highly dependent upon progress by additional municipalities in establishing facilities for treating and recycling fractions from small-scale sewage systems and larger source-separating sewage systems. Key words: slam, avloppsfraktioner, reningsverk, minireningverk, SPCR 178, EN 12566-3, REVAQ, återföring, näring, näringsämnen, wastewater, sewage, sludge

  • 1940.
    Berggren, Carina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Bygg och Mekanik.
    MTS 810: servohydraulisk provningsmaskin1991Report (Refereed)
  • 1941.
    Berggren, Carina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Markinger, Monica
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Polymer och fiber.
    Spricktillväxt i styv PVC.1989Report (Refereed)
  • 1942.
    Berggren, Göran
    SP- Sveriges Tekniska Forskningsinstitut, Trätek.
    Kvaliteten på lärk kan variera kraftigt2007In: Husbyggaren, no 5, p. 24-25Article in journal (Other (popular science, discussion, etc.))
  • 1943.
    Berggren, Göran
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Sveriges tekniska forskningsinstitut, Trätek.
    Mätning av kapsprickor med ultraljud2000Report (Other academic)
    Abstract [sv]

    Trätek har i en studie under hösten 1999 och våren 2000 undersökt möjligheten att mäta kapsprickor i sågtimmer med hjälp av ultraljudsteknik. Mätningen är avsedd att kunna utföras i samband med timmermätningen vid sågverk. Studierna har genomförts vid Rundviks sågverk och utförts på ofrusen och frusen gran och tall. Totalt har ca 250 timmerstockar mätts in med en för ändåmålet konstruerad mätutrustning. Mätsignalerna har analyserats med avseende på kapspricka och andra virkesfel och därefter jämförts med de kapade trissorna. Som facit vid mätningarna har vi använt trissmetoden d v s en 3 cm tjock trissa har kapats från mätstället.

  • 1944.
    Berggren, Göran
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Trä. Luleå tekniska universitet.
    Nyckelfrågor vid användning av generella IT-verktyg i träbyggprocessen2005Licentiate thesis, monograph (Other academic)
  • 1945.
    Berggren, Göran
    et al.
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Gustafsson, Anders
    SP - Sveriges provnings- och forskningsinstitut, Trätek.
    Determination of some mechanical properties of Siberian larch (Larix sibirica) according to EN 408 and EN 13183-12006Report (Refereed)
  • 1946.
    Berggren, Hans
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Industriella användningsområden för linets kortfiber1995Report (Refereed)
  • 1947. Berggren, M
    et al.
    Forchheimer, R
    Bobacka, J
    Svensson, P-O
    Nilsson, D
    RISE, Swedish ICT, Acreo, Printed electronics.
    Larsson, O
    Ivaska, A
    PEDOT:PSS-based Electrochemical Transistors for Ion-to-Electron Transduction and Sensor Signal Amplification2008In: Organic Semiconductors in Sensor Applications, p. 263-280Article in journal (Other academic)
  • 1948.
    Berggren, M
    et al.
    RISE, Swedish ICT, Acreo.
    Nilsson, D
    Robinson, ND
    Organic materials for printed electronics2007In: Nature Materials, Vol. 6, p. p3-5Article in journal (Refereed)
  • 1949.
    Berggren, Magnus
    et al.
    Linköping University, Sweden.
    Simon, Daniel T.
    Linköping University, Sweden.
    Nilsson, David
    RISE, Swedish ICT, Acreo.
    Dyreklev, Peter
    RISE, Swedish ICT, Acreo.
    Norberg, Petronella
    RISE, Swedish ICT, Acreo.
    Nordlinder, Staffan
    RISE, Swedish ICT, Acreo.
    Andersson Ersman, Peter
    RISE, Swedish ICT, Acreo.
    Gustafsson, Göran
    RISE, Swedish ICT, Acreo.
    Wikner, J. Jacob
    Linköping University, Sweden.
    Hederen, Jan
    Ericsson AB, Sweden.
    Hentzell, Hans
    RISE, Swedish ICT, Acreo.
    Browsing the Real World using Organic Electronics, Si-Chips, and a Human Touch2016In: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 28, no 10, p. 1911-1916Article in journal (Refereed)
    Abstract [en]

    Two different e-labels were developed to explore the feasibility and to identify scientifi c and engineering challenges of the Real-World-Web platform. First was a printed biosensor e-label, comprising Si-chips with an array of different printegrated devices, and second, an e-label to explore the feasibility of transferring data, through the human body, between a mobile device and different distributed e-labels, adhered onto the body or onto dedicated devices and surfaces of one's ambience. The silicon chips utilized in e-labels, include analogue and digital circuitry to receive and handle sensory input, to perform signal processing, and to transmit information to antennas and displays. When used, the e-label is turned on, and a sample is then added onto the sensor area. The display provides simple instructions and updated information to the user. All data handling, electrical probing, and analysis of the sensor is performed by the Si-chips, and the sensing data is finally shown in the printed display. The second e-label exemplifies an ID-tag for body area networks (BAN) communication applications, which, in part, is manufactured and integrated in the same way as the first e-label, but with another choice of Si-chips and capacitive antennas.

  • 1950.
    Berggren, Rolf
    RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
    Analys av gaser från flytande gödsel1970Report (Refereed)
36373839404142 1901 - 1950 of 20918
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