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  • 1
    Electronic Resource
    Electronic Resource
    Die reversible elektrochemische Ein- und Auslagerung von Anionen in Festbett-Elektroden aus Graphit (1982)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 54 (1982), S. 530-531 
    Details
    ISSN: 0009-286X
    Keywords: Elektrochemie ; Festbett-Elektroden ; Graphit ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330540526
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  • 2
    Electronic Resource
    Electronic Resource
    Neuartige Batterie-Systeme (1982)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 54 (1982), S. 809-817 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: New battery systems. The reversible storage of electrical energy plays a central role in the development of electric vehicles, load levelling in power stations, and technical utilization of solar energy. Electrochemistry offers interesting solutions with optimal energy density; however, these have reached technical maturity in only a few cases. The conventional lead/acid accumulator is being further improved among aqueous systems. Moreover, various other lines of development have been initiated in recent years, such as nickel/zinc and chlorine/zinc accumulators, which offer totally fresh perspectives from an electrochemical and engineering point of view. In the case of zinc/air and aluminium/air batteries, external redeposition of the metal is envisaged. From a practical point of view, aqueous systems are unsurpassable. Metals with an extremely high negative potential like sodium or lithium can only be cycled in the absence of water. Systems with molten salts or solid electrolytes do not suffer from this drawback. The sodium/sulfur battery, which is characterized by readily available cell components of low environmental impact, is presently undergoing intensive development. However, thermal discharge represents a technical problem. The future of these new developments will be governed by their economics, energy density, energy efficiency, power density, and last but not least by their cyclability. These properties have not yet been optimized in a single system.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330540906
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  • 3
    Electronic Resource
    Electronic Resource
    The stomatogastric nervous system of the house cricket Acheta domesticus L. II. Iontophoretic study of neuron anatomy (1984)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 180 (1984), S. 105-124 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The anatomy of neurons of the stomatogastric nervous system of Ascheta domesticus was studied using heavy metal iontophoresis through cut nerve ends followed by silver intensification. Nineteen categories of neuron are described and compared with neurons known from the stomatogastric nervous system of other insects. Possible functions for the neurons are suggested. Motor neuron candidates are suggested for all parts of the gut served by the stomatogastric nervous system, and axons of sensory neurons of the anterior pharynx are located. There are four neuron types that cannot readily be assigned motor, sensory, or interneuron functions: large dorsal cells of the frontal ganglion; the two neurons of the nervus connectivus, and two categories of neurons in the median neurosecretory cell group of the pars intercerebralis, the axons of which are contained in the stomatogastric nerves.
    Additional Material: 18 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051800203
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  • 4
    Electronic Resource
    Electronic Resource
    The stomatogastric nervous system of the house cricket Acheta domesticus L. I. The anatomy of the system and the innervation of the gut (1984)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 180 (1984), S. 81-103 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The distribution of the ganglia and nerves of the stomatogastric nervous system and the innervation of the extrinsic and intrinsic muscles are described. Median unpaired frontal and hypocerebral ganglia and paired ingluvial ganglia are present. The anterior pharynx is innervated by branches of the frontal nerve and by the anterior and posterior pharyngeal nerves, originating from the frontal ganglion. The posterior pharyngeal nerves are linked to nerves innervating the posterior part of the pharynx which have their origin in the hypocerebral ganglion, the anterior portion of which has previously been regarded as part of the recurrent nerve. Paired esophageal nerves run the length of the esophagus and crop between the hypocerebral and and ingluvial ganglia, innervating the muscularis by serial side branches. From each ingluvial ganglion runs an ingluvial nerve which innervates the gizzard and a cecal nerve which innervates the midgut and its ceca. At the posterior end of the midgut there is a poorly developed nerve ring. Nerves running posteriorly from this nerve ring link the stomatogastric nervous system with the proctodeal innervation from the terminal abdominal ganglion.Multipolar peripheral neurons are present on the muscularis of the whole of the foregut, rather randomly distributed on the crop and gizzard but forming fairly definite groupings at some points on the pharynx. Though of varied appearance, these cells could not be divided into discrete morphological categories. Peripheral neurons on the midgut are of different and characteristic morphology, though a few cells of the same appearance as those of the foregut occur at the midgut-hindgut boundary. Nerve fibers on the gut almost invariably terminate on the fibers of the muscularis.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051800202
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  • 5
    Electronic Resource
    Electronic Resource
    Formaldehyde release from a model N-methylol system (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 29 (1984), S. 3569-3577 
    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: A model N-methylol reactant system based on pyrrolidone derivatives has been used to study the chemical factors that control formaldehyde release. Fabric samples of known composition were prepared from chemically pure reactants and formaldehyde release was determined by the AATCC Sealed Jar Test. This work provides support for prior suggestions and a more direct approach for understanding unexpected results from tests on post-and precure fabrics. In addition, new findings demonstrate that the N-methylol reactant, its byproducts, and pure zinc nitrate are capable of reducing the level of formaldehyde release.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1984.070291130
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  • 6
    Electronic Resource
    Electronic Resource
    Die maschinentechnischen Grundlagen der Kunststoff- und Gummi-Industrie. Von M. Lang. -  Halle: VEB Marhold Verlag 1953  -  2. Aufl., 104 S., 24 Abb., geb. DM 7,80 (1954)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 5 (1954), S. 118-118 
    Details
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19540050317
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  • 7
    Electronic Resource
    Electronic Resource
    Regulation of herpes simplex virus gene transcription in vitro (1982)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 19 (1982), S. 333-347 
    Details
    ISSN: 0730-2312
    Keywords: in vitro transcription ; HSV-1 ; regulation ; RNA polymerase II ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: We used partially purified RNA polymerase II from uninfected (Pol II) and from herpes simplex virus type 1 (HSV-1) infected HEp-2 cells (Pol II-H) to transcribe HSV-1 DNA in vitro. Gel electrophoretic analysis of the products produced from native HSV-1 DNA yielded weight average chain lengths of 4.0 and 3.5 kb for the Pol II and Pol II-H products, respectively. Blot hybridization analyses of the HSV DNA transcripts showed that both enzymes transcribed RNA from essentially all regions of the genome. However, Pol II preferentially transcribed regions coding for the immediate-early or alpha mRNAs, whereas Pol II-H preferentially copied regions coding for the early (β) and late (γ) gene products. Transcriptional analyses of the cloned HSV-1 Bam HI-Q fragment (containing the thymidine kinase (TK) gene) and its subfragments showed that (1) the major transcripts produced by Pol II-H were distinctly different from those produced by Pol II; (2) Pol II and Pol II-H utilized different promoters for the synthesis of major transcripts; (3) both enzymes produced three minor transcripts that were partially overlapping and in opposite direction to the TK gene; and (4) only Pol II-H initiated transcription from the TK promoter. In contrast, both Pol II and Pol II-H generated an identical set of transcripts from an adenovirus 2 early region DNA fragment. The sizes of the products suggest that RNA processing may be occurring in vitro. These results show that HSV-1 infection alters the in vitro transcriptional specificity of RNA polymerase II and demonstrate that this system should be useful for studying in vitro the regulation of gene transcription.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcb.240190404
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  • 8
    Electronic Resource
    Electronic Resource
    Liquid-chromatographic determination of rate constants for the cellulose-dimethyloldihydroxyethyleneurea reaction (1982)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 27 (1982), S. 1131-1138 
    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: Rates of the MgCl2-catalyzed reaction between cellulose and 4,5-dihydroxy-1,3-bis(hydroxymethyl)-2-imidazolidinone were measured at 70, 90, and 110°C. The rate constants were determined by curing the resin for various times, extracting the unreacted resin, and determining its concentration by liquid chromatography. The energy of activation was calculated from the rate data. This work confirms the pseudo-first-order behavior of this reaction.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1982.070270403
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  • 9
    Electronic Resource
    Electronic Resource
    Reagent residues on N-methylopyrrolidone-treated cotton (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 29 (1984), S. 3579-3585 
    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: Residues remaining after drying and curing cotton fabric with either sodium bisulfate or zinc nitrate and N-methylolpyrrolidone, a monofunctional model durable press agent, have been quantitated by high performance liquid chromatography. The residues were identified as pyrrolidone, N-methylolpyrrolidone, N,N′-methylene-bis-2-pyrrolidone, and N,N′-(oxydimethylene)bis-2-pyrrolidone. The two catalysts fixed approximately the same amount of the N-methylolpyrrolidone to cellulose, but generated different ratios of the extractable residues. A comparison of the levels of these residues that are capable of releasing formaldehyde is given. The dominant residue from the NaHSO4 treatment was N-methylolpyrrolidone, while zinc nitrate generated more N,N′-(oxydimethylene)bis-2-pyrrolidone.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1984.070291131
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  • 10
    Electronic Resource
    Electronic Resource
    Zetapotentialmessungen in der Papierindustrie - Neuere Meßmethoden und AnwendungenVortrag auf dem Symposium „Elektrokinetische Erscheinungen“ am 8. und 9. November 1979 in Dresden/DDR (1980)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 31 (1980), S. 504-509 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: At first a short review is given with respect to an automatic streaming potential measurement and to the ultrasonic vibration potential method. The ultrasonic vibration method has advantages but the main barrier to a direct application in a mill is the influence of a great electrlyte cocentration. A solution of this problem is of interest. Useful applications of this method in the laboratory are described: basic research with ionic polymers, measurements to the influence of disturbing substances, filler preflocculation.
    Notes: Zunächst wird der Stand der Entwicklung für eine automatische Strömungspotential-Appartur und eine praxisgerechte Ultraschall-Elektrophorese-Apparatur geschildert. Bei der zweiten Methode erschwert hoher Elektrolytgehalt die Anwendung an einer Papiermaschine. Mögliche Auswege werden noch erprobt. Im Labor hat diese Methode jedoch schon vielfältige Anwendungen ermöglicht, wie z. B. bei Untersuchungen über die Wirkungsweise von Retentionsmitteln, den Einfluß von Störsubstanzen und die Füllstoff-Aktivierung.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1980.010310807
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