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  • 1995-1999  (6)
  • Engineering General  (2)
  • Heritability  (2)
  • Seed and maternal effects  (2)
  • Chemistry  (1)
  • Crystal and molecular structure  (1)
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Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Crystal and molecular structure of heptacyclo [9,6,1,14,7,114,17,02,10,03,8,01,13]-eicosa-3(8),5,12,15-tetrene-9, 18-dione (1996)
    Springer
    Journal of chemical crystallography 26 (1996), S. 559-562 
    Details
    ISSN: 1572-8854
    Keywords: Crystal and molecular structure ; stereoselective Diels-Alder dimerization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The title compound C20H16O2 crystallizes in the monoclinic space group P 21 witha=6.0310(5)Å,b=13.9396(6)Å,c=8.5560(5)Å, β=100.354(8)°,V=770.60(8)Å3, andZ=2. The crystal structure has been solved by vector-search methods and refined by fullmatrix least-squares toR=0.05 for 4788 reflections (1〉2σ(1)). The title compound has been prepared in the course of a study on cyclopentanoid natural products.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01668415
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis of genetic effects on nutrient quality traits in indica rice (1996)
    Springer
    Theoretical and applied genetics 92 (1996), S. 1099-1102 
    Details
    ISSN: 1432-2242
    Keywords: Cytoplasmic effects ; Seed and maternal effects ; Rice nutrient quality ; Heritability ; Indica rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Nine cytoplasmic male-sterile lines and five restorer lines were used in an incomplete diallel cross to analyze seed effects, cytoplasmic effects, and maternal gene effects on nutrient quality traits of indica rice (Oryza sauva L.). The results indicated that nutrient quality traits were controlled by cytoplasmic and maternal effects as well as by seed direct effects. Maternal effects for lysine content (LC), lysine index (LI), and the ratio of lysine content to protein content (RLP) were more important than seed direct effects, while protein content (PC) and protein index (PI) were mainly affected by seed direct effects. Cytoplasmic effects accounted for 2.41–20.80% of the total genetic variation and were significant for all nutrient quality traits. Additive genetic effects were much more important than dominance effects for all of the traits studied, so that selection could be applied for these traits in early generations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00224055
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Analysis of genetic effects on nutrient quality traits in indica rice (1996)
    Springer
    Theoretical and applied genetics 92 (1996), S. 1099-1102 
    Details
    ISSN: 1432-2242
    Keywords: Key words Cytoplasmic effects ; Seed and maternal effects ; Rice nutrient quality ; Heritability ; Indica rice
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Nine cytoplasmic male-sterile lines and five restorer lines were used in an incomplete diallel cross to analyze seed effects, cytoplasmic effects, and maternal gene effects on nutrient quality traits of indica rice (Oryza sativa L.). The results indicated that nutrient quality traits were controlled by cytoplasmic and maternal effects as well as by seed direct effects. Maternal effects for lysine content (LC), lysine index (LI), and the ratio of lysine content to protein content (RLP) were more important than seed direct effects, while protein content (PC) and protein index (PI) were mainly affected by seed direct effects. Cytoplasmic effects accounted for 2.41–20.80% of the total genetic variation and were significant for all nutrient quality traits. Additive genetic effects were much more important than dominance effects for all of the traits studied, so that selection could be applied for these traits in early generations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001220050236
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Fluorescence of perylene- and naphthalene-containing polyimides: Evidence of molecular aggregation and chain coiling in chloroform solution (1995)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Physics 33 (1995), S. 1633-1639 
    Details
    ISSN: 0887-6266
    Keywords: polymides ; fluorescence ; molecular aggregation ; charge transfer complex ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Fluorescence of several new polyimides in which neighboring imides are linked by a N-N bond was examined in chloroform solutions. For the naphthalene-containing polyimide 1, analysis of the emission, excitation, and absorption spectra at different concentrations showed the existence of a ground-state intermolecular charge transfer (CT) complex due to chain association and aggregation. For the perylene-containing polyimides 3-6, the fluorescence was characterized by a low energy band superimposed on the normal perylenediimide bands. This was interpreted as arising from a CT interaction between electron donor-acceptor pairs on the polymers backbone of the same chain, revealing certain degrees of chain coiling of these polymers in solution. © 1995 John Wiley & Sons, Inc.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/polb.1995.090331108
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    THE EVALUATIONS OF CAUCHY PRINCIPAL VALUE INTEGRALS AND WEAKLY SINGULAR INTEGRALS IN BEM AND THEIR APPLICATIONS (1996)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 39 (1996), S. 1017-1028 
    Details
    ISSN: 0029-5981
    Keywords: singular integrals ; Green's functions ; stiffness method ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: A new technique is developed to evaluate the Cauchy principal value integrals and weakly singular integrals involved in the boundary integral equations. The boundary element method is then applied to analyse scattering of waves by cracks in a laminated composite plate. The Green's functions are obtained in discrete form through the thickness of the plate using a stiffness method. To circumvent the difficulties associated with the evaluation of hypersingular integrals due to the presence of cracks, the multidomain technique is applied. Numerical computations have shown the accuracy and reliability of the proposed technique. Scattered wave fields for a composite plate with a horizontal crack are computed. The numerical results show that the applications of the technique in non-destructive evaluation of defects is very promising.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 6
    Electronic Resource
    Electronic Resource
    CALCULATION OF WALL-BOUNDED COMPLEX FLOWS AND FREE SHEAR FLOWS (1996)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 23 (1996), S. 1133-1144 
    Details
    ISSN: 0271-2091
    Keywords: turbulence models ; realizability ; complex 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: Various wall-bounded flows with complex geometries and free shear flows have been studied with a newly developed realizable Reynolds stress algebraic equation model. The model development is based on the invariant theory in continuum mechanics. This theory enables us to formulate a general constitutive relation for the Reynolds stresses. Pope (J. Fluid Mech., 72, 331-340 (1975)) was the first to introduce this kind of constitutive relation to turbulence modelling. In our study, realizability is imposed on the truncated constitutive relation to determine the coefficients so that, unlike the standard k-∊ eddy viscosity model, the present model will not produce negative normal stresses in any situations of rapid distortion. The calculations based on the present model have shown encouraging success in modelling complex turbulent flows.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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