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  • Wiley-Blackwell  (497)
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  • 1
    Electronic Resource
    Electronic Resource
    Energy absorption in polymer crazing (1985)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Physics Edition 23 (1985), S. 683-693 
    Details
    ISSN: 0098-1273
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The total energy absorbed by a craze during its development in creep is analyzed and calculated on the basis of a time-dependent theory of crazing. Experimental measurements of the craze length have been utilized in the energy calculations. For polystyrene the initial energy absorption in the craze region is found to be several hundred times that in the uncrazed medium. This ratio decreases sharply in a short period of time to about 50 to 1 and less and remains low afterward. For polycarbonate, somewhat similar behavior has been found. The initial strain energy absorption by crazing is about 200 times that in the uncrazed region. The energy ratio reduces rapidly to about 55 to 1 and tends to level off thereafter. However, in general, the amount of strain energy absorbed does increase as a function of time, as it should.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1985.180230406
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  • 2
    Electronic Resource
    Electronic Resource
    HTPB-based polyurethanes for inhibition of composite propellants (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 55 (1995), S. 1151-1155 
    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: Polyurethanes were synthesized by the reaction of hydroxyterminated polybutadiene (HTPB) and diisocyanates such as toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HMDI), and isophoron diisocyanate (IPDI). A number of fillers such as carbon black, kaolin, and antimony trioxide (Sb2O3) were used in these formulations. Mechanical and thermal stability of these polyurethanes were studied. Based on its properties, HTPB-MDI derived filled polyurethane was selected and evaluated as an inhibitor for a composite propellant. © 1995 John Wiley & Sons, Inc.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1995.070550801
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  • 3
    Electronic Resource
    Electronic Resource
    Complexes of metallons with phosphorus or arsenic containing ligands. II. complexes ortho-carboxyphenyltertiaryarsines with mercury (II) halides (1970)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 373 (1970), S. 64-68 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ortho-carboxyphenyldimethylarsin(CPDMA). o-Carboxphenyldiphenylarsin (CPDPA) und o-Carboxyphenyl-di(p-toly)-arsin (CPDTA) reagieren mit Quecksilber(II)-halogeniden zu Komplexen HgX2L mit X = Cl, Br, J; L = Ligand. Nach IR-Spektren enthält HgCl2 · CPDPA wahrscheinlich den Liganden als zweizähnige Gruppe in einer dimeren halogen-verbrückten Struktur, während der jeweilige Ligand in den anderen acht dargestellten Komplexen einzähnig wirkt. Allen neun Komplexen wird tetraedrisch koordiniertes HgII zugeschrieben.
    Notes: Ortho-carboxyphenyl-dimethylarsine (CPDMA), ortho-carboxpyhenyldiphenylarsine (CPDPA) and ortho-carboxyphenyldi(p-tolyl)arsine (CPDTA) react with mercury(II) halides to yield complexes having the formula HgX2L where X is Cl, Br or I and L is ligand. In view of infrared spectral data these complexes have been classified into two classes: (a) those in which the carboxyl group of the ligand remains free (ligand being monodentate), and (b) those in which the ligand acts as a bidentate group. The complex Hg(Cl2) · CPDPA is the only example of type (a) and has been assigned a dimeric halogen bridged structure. The remaining eight complexes are assumed to be monomeric. A tetrahedral structure is proposed for all the nine complexes.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19703730110
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  • 4
    Electronic Resource
    Electronic Resource
    Complexes of metal ions with phosphorus or arsenic containing ligands. I. Complexes of Orthocarboxyphenyl Tertiary Arsines with zinc(II) and cadmium(II) (1968)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 363 (1968), S. 207-212 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Es wurden Zn- und Cd-Komplexe mit den Liganden o-Carboxyphenyl-dimethylarsin, o-Carboxyphenyl-diphenylarsin und o-Carboxyphenyl-di(p-tolyl)-arsin dargestellt. Cd ergibt mit allen drei Liganden polymere, offenbar oktaedrische Komplexe der allgemeinen Zusammensetzung M(OOC·C6H4·AsR2)2, während dies beim Zink nur bei den beiden beiden letzteren Liganden der Fall ist. Mit dem Dimethylarsin bildet Zink einen Komplex Zn(OOC·C6H4)·AsMe2·Me2As·C6 H4COOH mit Fünferkoordination.
    Notes: The complexes of zinc(II) and cadmium(II) have been prepared with the ligands o-carboxyphenyldimethylarsine, o-carboxyphenyldiphenylarsine and o-carboxyphenyldi(p-tolyl) arsine. The complexes of cadmium(II) with all the ligands and that of zinc(II) with the latter two have been assigned the general formula M(OOC·C6H4·AsR2)2 and appear to be octahedral due to their polymeric nature. Zinc(II) forms complex, Zn(OOC·C6H4·AsMe2)2·Me2 As·C6H4COOH, with the first ligand which is pentacoordinated.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19683630315
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  • 5
    Electronic Resource
    Electronic Resource
    A new formulation for plate and shell finite elements (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    Communications in Applied Numerical Methods 6 (1990), S. 457-470 
    Details
    ISSN: 0748-8025
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cnm.1630060606
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  • 6
    Electronic Resource
    Electronic Resource
    Geometrically non-linear analysis of shell structures (1991)
    New York, NY [u.a.] : Wiley-Blackwell
    Communications in Applied Numerical Methods 7 (1991), S. 377-391 
    Details
    ISSN: 0748-8025
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The paper presents a finite element formulation for the geometrically non-linear analysis of shells. The formulation is based on the Hellinger - Reissner approach and uses internal transverse shear stress unknowns to alleviate the problem of shear locking. A ring and a quadrilateral element are presented, together with three examples which demonstrate the accuracy of the elements.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cnm.1630070505
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of shock-thermal treatment on mechanical properties of steels (1989)
    Weinheim : Wiley-Blackwell
    Propellants, Explosives, Pyrotechnics 14 (1989), S. 238-240 
    Details
    ISSN: 0721-3115
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The shock-treatment permit to achieve high mechanical characteristics of steels. The interpretation of this effect is based on the possibility to change the carbon solubility in iron under these conditions. Measurements of the quality factors (internal friction in power-1) confirm this assumption.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prep.19890140604
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  • 8
    Electronic Resource
    Electronic Resource
    Pore-diffusion model for cyclic separation: Temperature swing separation of hydrogen and methane at elevated pressures (1983)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 966-975 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A pore-diffusion model is developed for temperature swing separation in a packed bed of sorbent. The model is applied to interpret experimental data for separation of H2 of CH4 in a packed bed of activated carbon operated in the temperature swing mode, at pressures up to 5.52 MPa. Experimental results on the effects of total pressure, particle size, adsorption temperature, and flow rate on separation efficiency compared favorably to the model predictions. The importance of pore diffusion in separation has been clearly demonstrated.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690290615
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  • 9
    Electronic Resource
    Electronic Resource
    Estimation of parameters where dependent observations are related by equality constraints (1984)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 30 (1984), S. 747-757 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Pirt's model for microbial growth and product formation are reparameterized to obtain multiresponse models with common parameters. The dependent variables in the models are related through the available electron and carbon balance constraints. Covariance adjustment is used to reduce the growth model to a unit variate linear model with covariates. Therefore, standard multiple regression programs can be used to obtain combined point and interval estimates of true biomass energetic yield, true product yield and maintenance coefficient. This approach may yield “better” estimates than the maximum likelihood approach when an appropriately selected subset of covariates is used. Nonlinear estimation procedures are also considered; these procedures are efficient with few responses; however, as the number of responses per observation increase, they may require a lot of computing time. For illustration several data from the biochemical engineering literature are analyzed by the proposed methods.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690300508
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  • 10
    Electronic Resource
    Electronic Resource
    A model for simultaneous heating and devolatilization of a single coal particle in a hot gas stream in the presence of a thermal radiative field (1985)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 31 (1985), S. 1714-1717 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690311014
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