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  • 1985-1989  (13)
  • 1945-1949
  • 1987  (13)
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Material
Years
  • 1985-1989  (13)
  • 1945-1949
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Kinetics of Water Sorption by Soybean and Pigeonpea Grains (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 52 (1987), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Kinetics of liquid water sorption by soybean (Glycine max) and pigeonpea (Cajanus cajan) seeds was studied at several temperatures. The data could be accurately correlated in terms of an empirical model involving a single rate constant. The temperature dependence of the rate constant followed Arrhenius relation. Swelling of grains due to water sorption was slightly less than the volume of water imbibed. This loss related to the energy of activation of the water sorption process.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1987.tb05874.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    North-East India: Demography, Culture and Identity Crisis (1987)
    Cambridge : Cambridge University Press
    Modern Asian studies 21 (1987), S. 257-282 
    Details
    ISSN: 0026-749X
    Source: Cambridge Journals Digital Archives
    Topics: Ethnic Sciences , History , Political Science , Economics
    Notes: The management of public affairs in northeast India has been in focus in the regional, national and world press in recent years. Much of the attention has been confined to insurgency, the ‘foreign nationals’ issue, tribal ‘uprisings’, ‘brutalities’ committed by the security forces, ‘involvement’ of foreign agencies in the area, political ‘horse-trading’ and floods. There has been no analysis of the economic, cultural and demographic factors which have acquired different nuances in the wake of the rapid modernization taking place in the region since the 1950s and which have a decisive say on the formulation of policies and the efficacy of institutions of governance in northeast India. This paper proposes to offer some facts and reflections on these aspects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1017/S0026749X00013809
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The geometry of magnetic fieldlines in magnetogeostrophic flows (1987)
    Springer
    Astrophysics and space science 137 (1987), S. 23-31 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract It is proved that the only circulation preserving magnetogeostrophic flows whose current density is lamellar, and bears a constant on a current density vector have (1) a plane motion of constant current density (on which certain unsteady potential motions may be superposed) and (2) a particular circular helical motion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00641617
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Isolation of mitochondrial DNA from cytoplasmic male sterile and maintainer lines of pearl millet, Pennisetum americanum (L.) Leeke (1987)
    Springer
    Theoretical and applied genetics 74 (1987), S. 168-170 
    Details
    ISSN: 1432-2242
    Keywords: Mitochondrial DNA ; Cytoplasmic male sterile ; Pearl millet ; Pennisetum americanum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Mitochondrial DNA has been isolated from paired lines of pearl millet maintainer and cytoplasmic male sterile plants. Evaluation of the DNA by agarose gel electrophoresis shows that good quality DNA of high molecular weight can be obtained from mitochondria of both maintainer and male sterile pearl millet.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00290100
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  • 5
    Electronic Resource
    Electronic Resource
    Variation in mating propensity and fertility in isofemale strains of Drosophila ananassae (1987)
    Springer
    Genetica 73 (1987), S. 237-242 
    Details
    ISSN: 1573-6857
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Mating propensity and fertility were studied in five laboratory strains of Drosophila ananassae which were established from single females collected from different geographical localities. The results show statistically significant variation among different isofemale lines with respect to mating propensity and fertility. The strains showing greater sexual activity produce more progeny. Thus, there is a positive correlation between mating activity and fertility in D. ananassae. The comparison of mating frequencies of strains and their hybrids reveals the existence of heterosis and reciprocal effects. The data suggest that the males are more subject to intrasexual selection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00055279
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Redox-initiated graft copolymerization onto modified jute fibers (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 34 (1987), S. 1325-1327 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1987.070340336
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  • 7
    Electronic Resource
    Electronic Resource
    Kinetics of retarded polymerization: Investigation of the retardation of V5+-thiourea initiated polymerization of methyl acrylate by phenol (1987)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 25 (1987), S. 2107-2116 
    Details
    ISSN: 0887-624X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The kinetics and mechanism of the retarding action of phenol on the V5+-thiourea initiated polymerization of methyl acrylate (MA) have been studied within the temperature range of 30-50°C. The effects of retarder (phenol), metal ion (V5+), monomer (MA), sulfuric acid, some organic solvents and inorganic salts on the percentage and rate of polymerization have been studied. The remarkable observation of the present study is the positive intercept obtained from the plot of [M]/Rp vs. 1/[M]. This type of observation is significantly different from previous studies on retarded polymerization. The values of composite rate constants k0kt/kikpkK have been calculated from plots of [M]/Rp vs. 1/[M]. On the basis of experimental findings a reaction mechanism has been suggested, and a suitable rate expression has been proposed and explained.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1987.080250807
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  • 8
    Electronic Resource
    Electronic Resource
    Hyperfine interactions in the mixed ligand complexes of phenolic compounds with iron phthalimide (1987)
    Springer
    Hyperfine interactions 35 (1987), S. 887-890 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Six new mixed ligand complexes of iron phthalimide with gallic acid, pyridoxine, sulphosalicylic acid, salicylaldehyde, anisaldehyde, and naphthaldehyde have been prepared and characterised on the basis of conductance, magnetic susceptibility, IR, electronic and Mössbauer spectroscopic studies. The room temperature Mössbauer spectra exhibit a broad and asymmetric doublet which persists down to 50 K. The I. S. and Q. S. values indicate iron to be in +3 and high spin state. The magnetic moment values (∼5.0 BM at 300 K decreasing to ∼ 3.0 BM at 77 K) do not show any magnetic transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02394516
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  • 9
    Electronic Resource
    Electronic Resource
    Adsorption of mercury compounds by tropical soils II. Effect of soil: Solution ratio, ionic strength, pH, and organic matter (1987)
    Springer
    Water, air & soil pollution 32 (1987), S. 1-10 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Mercury adsorbed from HgCl2 and 2-methoxy-ethylmercury chloride (Aretan) solutions by three contrasting soils showed a dependence on soil: solution ratio and initial Hg concentration in soil solution. Changing the soil solution ratio from 1: 10 to 1 : 100 but keeping the initial concentration constant resulted in an increase in Hg adsorption from both Hg compounds. A similar change in soil: solution ratio accompanied by a decrease in initial concentration, on the other hand, resulted in decrease in Hg adsorption. Upon manipulating of the pH of the surface soils, adsorption of HgCl2 at 100 mg Hg L−1 concentration increased from about 701 :o over 95 mg Hg kg−1 when pH was raised from 5.0 to 8.0. Precipitation of Hg may also have contributed to this trend. Aretan adsorption by these soils, on the other hand, changed little with change in pH. Removal of organic matter from soil resulted in large reductions of Hg adsorbed, as much as 95 % from the HgCl2 solutions, but only up to 31 % from Aretan solutions. This suggests that organic matter in soil played a mayor role in the adsorption of inorganic Hg whereas the soils' mineral fractions were involved more in the adsorption of the organic Hg compound.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00227678
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  • 10
    Electronic Resource
    Electronic Resource
    Adsorption of mercury compounds by tropical soils III. Adsorption isotherms (1987)
    Springer
    Water, air & soil pollution 32 (1987), S. 11-16 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Isotherms for sorption of 2-methoxyethylmercury chloride (Aretan) and HgCl2 showed that all three soils investigated had a large capacity to adsorb these Hg compounds, the order being Morogoro 〉 Arusha 〉 Dar es Salaam. For all soils, surface horizons adsorbed more Hg at any given concentration of Hg in solution as compared to subsurface horizons. Adsorption isotherms of Aretan, especially at lower equilibrium concentration in soil solution, were much steeper in all horizons and in all profiles. The Freundlich equation described the adsorption of HgCl2 better than that of Aretan. The adsorption isotherms for Aretan and HgCl2 showed different forms, implying probably that different adsorption mechanisms were involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00227679
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