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Sökning: LAR1:umu > Patent

  • Resultat 1-10 av 26
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  • Bodin, Kenneth, et al. (författare)
  • Method for simulating dynamic incompressible fluids using particle based spatial discretization and mass density constraints
  • 2009
  • Patent (populärvet., debatt m.m.)abstract
    • Disclosed is a method of simulating dynamic fluids comprising a set of pseudo particles usedto represent physical quantities of the fluid, a fluid density computed from a weightedaverage over the pseudo particle, and a density constraint on the fluid density constraining itto be incompressible with the reference density of a real physical fluid that is modeled. Theconstraint stabilization forces of the density constraint govern the dynamics of the pseudoparticles and the simulated fluid. The method comprises a combined time stepping andconstraint stabilization and relaxation method that provides global conservation of physicalsymmetries and therefore robust physical and numerical stability under large constraintviolation, and substantial improvement in efficiency over other known methods.
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  • Främling, Kary, 1965-, et al. (författare)
  • System for method for secured logging of events
  • 2019
  • Patent (populärvet., debatt m.m.)abstract
    • A system for secured logging of a second event. The system includes a logging device and a triggering device. The triggering device receives an input related to the second event, creates second event message based on received input related to the second event, and receives the first set of data related to first logged event from the logging device. The triggering device further creates a first position-lock data from the first set of data, creates a second append request, and provides the second append request to the logging device. The logging device is configured to verify the second append request. Based on positive verification, the logging device creates a logging device signature over a second log-append-approval, and combines the created logging device signature with the provided second append request to form a second logged event.
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  • Heeger, Alan J, et al. (författare)
  • Injection lasers fabricated from semiconducting polymers
  • 2004
  • Patent (populärvet., debatt m.m.)abstract
    • A solid state lasing structure comprising a field effect transistor in which source and drain electrodes are disposed on a semiconducting light emitting organic polymer forming an active layer on a gate whereby current between the source and drain electrodes defines and flows along a channel in the active layer to define a recombination and emission zone
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  • Jönsson, Leif, et al. (författare)
  • Methods for improvement of enzymatic hydrolysis of lignocellullosic material
  • 2013
  • Patent (populärvet., debatt m.m.)abstract
    • The present invention relates to a method of enzymatic hydrolysis of a lignocellulosic material, comprising the steps of: a) pretreating the lignocellulosic material to obtain a slurry having a pH of less than 6; b) adding NaOH, Ca(OH)2 and/or CaO to the slurry to increase its pH to at least 8, said addition being carried out at a slurry temperature of at least 60 °C; c) reducing the pH of the slurry to below 7; and optionally cooling the slurry from step b) to a temperature below 60 °C; and d) adding hydrolytic enzymes to the slurry from c) and allowing the slurry to hydrolyze wherein no washing of the slurry is performed prior to step d)
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  • Lundstedt, Erik Torbjörn, et al. (författare)
  • Metabolic profiles
  • 2012
  • Patent (populärvet., debatt m.m.)abstract
    • The invention relates to the use of endogenous metabolites to produce a metabolic profile of a disorder or disease in a subject, e.g. an autoimmune disease, in particular rheumatoid arthritis, and the analysis of such metabolic profiles in order to find disturbances in such profiles in a subject which are caused by or correlated with the said diseases or disorders. Such disturbances can be normalised by treatment of the subject with specified compounds, particularly N-(2-chloro-3,4-dimethoxybenzylideneamino)guanidine or an aminoguanidine.
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  • Resultat 1-10 av 26

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