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  • 1
    Electronic Resource
    Electronic Resource
    Influence of the structural and induced anisotropy in the effective dielectric function
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 207 (1994), S. 151-156 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(94)90366-2
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of natural or artificial casing on the ripening and sensory quality of a mould-covered dry sausage (1991)
    Oxford, UK : Blackwell Publishing Ltd
    International journal of food science & technology 26 (1991), S. 0 
    Details
    ISSN: 1365-2621
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Process Engineering, Biotechnology, Nutrition Technology
    Notes: Experiments were performed in which the same ingredients were stuffed in either natural pork casing or in an artificial collagen casing. A small-diameter coarse and mouldy salami, known as ‘fuet’, was tested.Ripening parameters showed few differences; water content, non-protein nitrogen, free fatty acids and superficial mould counts were similar, while pH was clearly higher after the fifth day in natural casing, and counts of yeasts were larger in the artificial one. Microscopic observation of cross-sections has shown a greater colonization of natural casing tissue by moulds. Sensory quality scores for natural casing salami were higher in almost all attributes except for ease of skin peeling. Differences were especially evident in aroma-related ratings and in overall acceptability. It was concluded that a higher pH due to a deeper and larger colonization of skin tissue by moulds could be responsible for the superior sensory quality of sausages stuffed in natural casing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1991.tb01143.x
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  • 3
    Electronic Resource
    Electronic Resource
    Adaptive remeshing for three-dimensional compressible flow computations
    Amsterdam : Elsevier
    Journal of Computational Physics 101 (1992), S. 229 
    Details
    ISSN: 0021-9991
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Computer Science , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0021-9991(92)90068-A
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  • 4
    Electronic Resource
    Electronic Resource
    Adaptive remeshing for three-dimensional compressible flow computations
    Amsterdam : Elsevier
    Journal of Computational Physics 103 (1992), S. 269-285 
    Details
    ISSN: 0021-9991
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Computer Science , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0021-9991(92)90401-J
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    More structure in the string tension?
    Amsterdam : Elsevier
    Physics Letters B 116 (1982), S. 414-418 
    Details
    ISSN: 0370-2693
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0370-2693(82)90157-5
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Computational haemodynamics: geometry and non-newtonian modelling using spectral/hp element methods (2000)
    Springer
    Computing and visualization in science 3 (2000), S. 77-83 
    Details
    ISSN: 1433-0369
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract. The increased availability of large scale computational facilities is enabling the use of computational modelling for the treatment of complex problems of industrial interest. Computational haemodynamics is an area where improved computational power and algorithmic development have permitted the application in biomechanics of techniques originally devised for direct numerical simulations in others areas of scientific interest. In this paper we present a highly accurate algorithm for the numerical solution of the incompressible Navier–Stokes equations which employs a spectral/hp element spatial discretisation and a high-order time splitting. Two important developments discussed in this paper are the coupling of these techniques with unstructured mesh generation, used in many everyday engineering applications, and the introduction of a non-Newtonian viscosity model to account for the shear thinning properties of blood. The proposed method will be applied to the analysis of shear stress distributions in flows of interest in haemodynamics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007910050054
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  • 7
    Electronic Resource
    Electronic Resource
    Finite element multigrid solution of Euler flows past installed aero-engines (1993)
    Springer
    Computational mechanics 11 (1993), S. 433-451 
    Details
    ISSN: 1432-0924
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A finite element based procedure for the solution of the compressible Euler equations on unstructured tetrahedral grids is described. The spatial discretisation is accomplished by means of an approximate variational formulatin, with the explicit addition of a matrix form of artificial viscosity. The solution is advanced in time by means of an explicit multi-stage time stepping procedure. The method is implemented in terms of an edge based representation for the tetrahedral grid. The solution procedure is accelerated by use of a fully unstructured multigrid algorithm. The approach is applied to the simulation of the flow past an installed aero-engine nacelle, at three different free stream conditions. Comparison is made between the numerical predictions and experimental pressure observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350098
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  • 8
    Electronic Resource
    Electronic Resource
    Red-Legged Partridges (Alectoris rufa) as Bioindicators for Persistent Chlorinated Chemicals in Spain (2000)
    Springer
    Archives of environmental contamination and toxicology 38 (2000), S. 114-120 
    Details
    ISSN: 1432-0703
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Notes: Abstract. Persistent organochlorine residues such as hexachlorobenzene (HCB), hexachlorocyclohexane isomers (HCHs), chlorocyclodienes, and the DDT group (DDTs) were determined in fat and muscle samples of resident red-legged partridges (Alectoris rufa) hunted in Spain. Chlorinated contamination pattern varied largely depending on geographical distribution. Birds collected from the northern part of Spain contained greater concentrations of lindane (34.4 ng/g fat basis) than those from central or southern Spain. In contrast, red-legged partridges collected in southern locations exhibited elevated levels of p,p′-DDE (62.3 ng/g fat basis) as compared with central (31.2 ng/g fat basis) and northern areas (5.6 ng/g fat basis). The only cyclodiene detected, dieldrin, showed higher amounts (3.4 ng/g fat basis) in partridges collected in central Spain. The sex differences in pollutant occurrence and concentrations were negligible. One-year-old birds accumulated greater concentrations of β-HCH, and dieldrin than older birds. Global comparison of organochlorine concentrations indicated that northern partridges are more contaminated by compounds of industrial origin, whereas southern birds contained greater amounts of agricultural chemicals. Estimates of hazards associated with organochlorine levels in resident red-legged partridges in Spain suggested that southern birds may be at risk from exposure to DDTs, and northern birds may be affected by excessive concentrations of lindane. The use of red-legged partridge as bioindicator for OCP contamination is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002449910014
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  • 9
    Electronic Resource
    Electronic Resource
    TVD algorithms for the solution of the compressible Euler equations on unstructured meshes (1994)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 19 (1994), S. 827-847 
    Details
    ISSN: 0271-2091
    Keywords: TVD ; Unstructured mesh algorithms ; Euler equations ; Hypersonic flows ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The Galerkin finite element method is used as the basis for the construction of schemes for the solution of the two-dimensional compressible Euler equations on unstructured triangular grids. The use of a side-based data structure readily allows for the construction of a local (structured) stencil and the incorporation of a high-resolution shock-capturing method formulated within the TVD concept. The essential features of the finite element side-based scheme and the ID TVD approach are described and their numerical implementation is discussed. The choice of limiters and the support for their computation are analysed and the solutions of some inviscid flows, obtained by advancing explicitly in time, are presented.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/fld.1650190906
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  • 10
    Electronic Resource
    Electronic Resource
    Multigrid solution of the 3-D compressible euler equations on unstructured tetrahedral gridsOriginally presented at the AIAA 30th Aerospace Sciences Meeting and Exhibit, 6-9 January, 1992, Reno, Nevada, U.S.A. (1993)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 36 (1993), S. 1029-1044 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A low storage, computationally efficient algorithm for the solution of the compressible Euler equations on unstructured tetrahedral meshes is developed. The algorithm takes the form of a centred scheme with the explicit addition of a high accuracy artificial viscosity and the solution is advanced to steady state by means of a multi-stage time stepping method. The side based data structure which is employed enables a clear connection to be established between the proposed algorithm and upwind cell vertex schemes for unstructured meshes. The computational efficiency of the procedure is improved by incorporating an unstructured multigrid acceleration procedure. A number of flows of practical interest are analysed to demonstrate the numerical performance of the proposed approach.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620360610
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