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  • 1
    Electronic Resource
    Electronic Resource
    Results of Pumping Tests in Crystalline-Rock Aquifers (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 16 (1978), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: The Evangelical Lutheran Church (E.L.C.) Water Development Project, headquartered in Betul, Madhya Pradesh, India, has been involved since 1971 in developing ground-water supplies in the Satpura Hill Region of Central India. To date, over 400 wells have been drilled in crystalline rocks and more than 100 of these wells have been pump-tested to determine aquifer hydrologic characteristics.Crystalline rocks crop out in roughly 20 percent of the Satpura Hill Region and the main rock types are granite, gneiss, and schist. The crystalline-rock country is gently undulating and ground-water flow systems are of the local type being limited to small drainage basins of a few square miles in area.The controlled testing and detailed analysis of over 100 pumping tests provided an excellent opportunity to evaluate the applicability of standard analytical models for the analysis of pumping tests in crystalline-rock aquifers.Step-test data were analyzed by Rorabaugh's (1953) method and by a graphical method. The results indicate that well losses are significant in a number of wells tested and appear to be related to non-Darcian flow in the aquifer adjacent to a pumped well.Constant-rate pumping tests were used to determine aquifer transmissivity. Time-drawdown data were analyzed by the Cooper-Jacob (1946) approximation to the Theis (1935) equation and recovery data were analyzed by the residual drawdown method. Aquifer transmissivity ranged over two orders of magnitude from 102 to 104 gpd/ft (1.24 to 1.24 × 102 m2/day). Pumping-test results often enabled the prediction of aquifer conditions, such as limited aquifers, recharge and leakage boundaries, and aquifer dewatering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1978.tb03221.x
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  • 2
    Electronic Resource
    Electronic Resource
    Acquired Resistance to Chloroquine Diphosphate in P. gallinaceum in Chicks (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 1291-1292 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Quinine, mepacrine, 4-aminoquinolines and 8-aminoquinolines belong to the latter group of compounds to which parasites do not seem to become resistant easily. For example, while Williamson et al.4 failed to demonstrate any such resistance to quinine, Knoppers5 had ultimately succeeded in developing ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1781291a0
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  • 3
    Electronic Resource
    Electronic Resource
    Partial sparing of dietary methionine by lanthionine inArgyrotaenia velutinana larvae (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 1497-1498 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Lanthionine was able to partially spare the dietary methionine requirement ofArgyrotaenia velutinana (Walker) larvae but the sparing of methionine by lanthionine was not as efficient as cysteine. Partial sparing of dietary methionine by lanthionine, a non-member of the cystathionine pathway, indicated the possibility of sulphur amino acid metabolism by routes other than the cystathionine pathway.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01924413
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  • 4
    Electronic Resource
    Electronic Resource
    Nitroġenous excretory products of tobacco hornworm,Manduca sexta (L.) (1975)
    Springer
    Cellular and molecular life sciences 31 (1975), S. 930-931 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Die stickstoffhaltigen Exkretionsprodukte von Raupen vonManduca sexta L. wurden papierchromatographisch analysiert. Die wichtigsten ausscheidungsprodukte sind Harnsäure und Allantoin: Harnstoff wird nur in Spuren ausgeschieden.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02358858
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  • 5
    Electronic Resource
    Electronic Resource
    Cuticular features as indicators of environmental pollution (1977)
    Springer
    Water, air & soil pollution 8 (1977), S. 15-19 
    Details
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Several leaf cuticular features such as stomatal frequency, stomatal size, trichome length, type, and frequency, and subsidiary cell complex respond to environmental pollution in different ways and hence can be used as indicators of environmental pollution in an area. Several modifications in cuticular features under polluted environments seem to indicate ecotypic or survival significance for the plant species under investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00156720
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  • 6
    Electronic Resource
    Electronic Resource
    Aqueous polymerization of methyl methacrylate. III (1983)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 21 (1983), S. 2665-2674 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The aqueous polymerization of methyl methacrylate (MMA) initiated by potassium persulfate (I)-thiomalic acid (TMA) redox couple has been studied at 30 ± 0.2°C under nitrogen atmosphere. The rate of polymerization is given by \documentclass{article}\pagestyle{empty}\begin{document}$$ R_p = K[{\rm MMA}]^{0.98} [{\rm K}_2 {\rm S}_2 {\rm O}_8]^x [{\rm TMA}]^{0.44} $$\end{document} up to 20.0 mmol/L TMA concentration, where x = 0.52 for the I concentration 0.6-10 mmol/L and x = 0.27 for higher I concentrations. The temperature had a marked effect on initial rate and maximum conversion. The overall energy of activation was found to be 11.79 kcal/mol (49.31 kJ/mol). Injection of more initiator (I) at intermediate stages enhanced both the initial rate and maximum conversion. Ag (I) and Fe (III) depressed initial rate as well as maximum conversion, while Cu (II) activated the polymerization. The effect of solvent was also studied.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1983.170210905
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  • 7
    Electronic Resource
    Electronic Resource
    Graft copolymerization of poly(methyl methacrylate) onto wool by potassium persulfate-thiourea redox couple in the presence of air. V (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 34 (1987), S. 191-201 
    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
    Notes: Potassium persulfate-thiourea redox couple has been employed to graft poly(methyl methacrylate) onto wool in the presence of air under different reaction conditions. Graft copolymers were characterized by scanning electron micrographs, thermogravimetry, etc. The effect of additives on graft copolymerization has been studied, and a suitable reaction mechanism has been proposed.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1987.070340116
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  • 8
    Electronic Resource
    Electronic Resource
    Graft copolymerization of methyl methacrylate onto wool initiated by ceric ammonium nitrate-thioglycolic acid redox couple in presence of air. IV (1987)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 25 (1987), S. 595-605 
    Details
    ISSN: 0887-624X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The graft copolymerization of methyl methacrylate (MMA) onto wool initiated by ceric ammonium nitrate (CAN)-thioglycolic acid (TGA) redox couple has been studied at 55 ± 0.2°C under atmospheric oxygen. Grafted copolymer was characterized by IR spectroscopy, scanning electron micrographs, and thermogravimetric analysis. Effect of amines, acid, alkali, oxidizing, and reducing agents were determined experimentally. The molecular weights of grafted poly(methyl methacrylate) and homopolymer was also evaluated.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pola.1987.080250213
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  • 9
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    On centering of lenses during cementing (1983)
    American Institute of Physics
    Details
    Publication Date: 1983-04-01
    Print ISSN: 0034-6748
    Electronic ISSN: 1089-7623
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Published by American Institute of Physics
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  • 10
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    Nitroġenous excretory products of tobacco hornworm,Manduca sexta (L.) (1975)
    Springer
    Details
    Publication Date: 1975-08-01
    Print ISSN: 0014-4754
    Topics: Biology , Medicine
    Published by Springer
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