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  • 1
    Electronic Resource
    Electronic Resource
    Spectral properties of the Al and Mg Kα1 lines determined by the PAX method (1990)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 15 (1990), S. 705-707 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The Lorentzian widths and the spin-orbit separation of the Al and Mg Kα1 lines have been studied, using photoelectron spectroscopy for the study of x-rays10 and neon and argon as converter atoms. The natural widths of the title lines have been determined. The recommended properties of the Al and Mg Kα1 lines are collected in Table 3.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740151112
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  • 2
    Electronic Resource
    Electronic Resource
    Elektronenstruktur und stochastischer Hoppingtransport in polymeren Isolatoren (1987)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 374-377 
    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: The specific aspects of the electronic structure of partial-crystalline polymer insulators are discussed with polyethylene as an example. The results of the theoretical and the experimental estimation of the density of valence states are compared. Basing on these results a stochastic description of the charge carrier transport process is presented.
    Notes: Die grundsätzlichen Besonderheiten der elektronischen Struktur partiell-kristalliner polymerer Isolatoren werden am Beispiel von Polyethylen diskutiert. Ergebnisse der theoretischen und experimentellen Ermittlung (XPS-Spektren) der Zustandsdichteverteilung werden vorgestellt. Auf der Basis dieser Ergebnisse wird eine stochastische Beschreibung des Hoppingtransportes vorgenommen, die experimentell überprüfbare Kenngrößen (Raumladungsverteilung, Stromdichte, Transitzeit u. a.) zu berechnen gestattet.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1987.010380614
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  • 3
    Electronic Resource
    Electronic Resource
    SEM-EDX and SAM-AES Investigations on Rochow Contact Masses (1997)
    New York, NY [u.a.] : Wiley-Blackwell
    Applied Organometallic Chemistry 11 (1997), S. 237-247 
    Details
    ISSN: 0268-2605
    Keywords: Rochow reaction ; copper silicides ; η-Cu3Si ; promoters ; scanning electron microscopy (SEM) ; energy-dispersive X-ray spectroscopy (EDX) ; scanning Auger microscopy (SAM) ; Auger electron spectroscopy (AES) ; Chemistry ; Industrial Chemistry and Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Appropriate Rochow contact masses have been investigated by the spatial resolution techniques SEM-EDX and SAM-AES. The results gave evidence of the existence and the catalytic action of (X-ray)-amorphous copper-silicon (Cu-Si) surface species, i.e. extremely highly dispersed particles or two-dimensional species. The well-known Rochow promoter zinc seems to act as a moderator rather than as a real accelerator. It ensures a stable rate for the reaction by neutralizing the detrimental action of silicon impurities. The silicon impurities make the whole of the silicon surface reactive and in this way cause a general blockade of the silicon surface by inactive copper species. Zinc localizes the reaction. The silicon surface remains partly free, and active Cu-Si surface species can be formed by lateral diffusion of copper onto the silicon surface that is still free. © 1997 by John Wiley & Sons, Ltd.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Feststoffreaktionen in Katalysatoren und Katalysatorkomponenten. I. Feststoffreaktionen in Katalysatoren zur autothermen Methankonvertierung (1974)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 405 (1974), S. 211-224 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Solid Reactions in Catalysts and Catalyst Components. I. Solid Reactions in Catalysts for Autothermic Conversion of MethaneSolid reactions in the systems kaolin-NiO, kaolin-α-Al2O3NiO, and kaolin-MgO-NiO are described and investigated by means of X-ray measurements. Data on the reducibility of NiAl2O4 and on the dispersity of nickel on the supports are given. For further characterization of the samples electron-microscopic investigations have also been applied.
    Notes: Es werden die in den Systemen Kaolin-NiO,Kaolin-α-Al2O3-NiO und Kaolin-MgO-NiO ablaufenden Feststoffreaktionen beschrieben. Die Analyse der Reaktionsprodukte erfolgte mittels Röntgenuntersuchungen. Zur Reduzierbarkeit von NiAl2O4 sowie zum Dispersitätsverhalten von Nickel auf Katalysatorträgern werden Angaben gemacht. Elektronenoptische Untersuchungen dienten zur weiteren Charakterisierung der Proben.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19744050212
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  • 5
    Electronic Resource
    Electronic Resource
    Metall-Pseudohalogenide XLVIIXLVI. Mitt.: Nefedov, V. I.; Jäger, L.; Köhler, H.: Z. anorg. allg. Chem. 603 (1991) 103.. ESCA-Spektren einiger Dicyanmethanido-und Cyanamido-sulfonate bzw.-carboxylate der Typen M[RSO2C(CN)2], M[RSO2NCN] und M[RC(O)NCN] (1991)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 605 (1991), S. 125-129 
    Details
    ISSN: 0044-2313
    Keywords: Metal pseudohalides ; dicyanmethanido-, cyanamido-sulfonates ; cyanamidocarboxylates ;  - ESCA spectra ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Metal Pseudohalides. XLVII. Spectra of some Dicyanmethanido- and Cyanamido-Sulfonates respectively Carboxylates of the Types M[RSO2C(CN)2], M[RSO2NCN] and M[RC(O)NCN]The X-ray photoelectron spectra of some dicyanmethanido- and cyanamido-sulfonates, respectively, carboxylates of the types M[RSO2C(CN)2], M[RSO2NCN], and M[RC(O)NCN] were recorded and are discussed in comparision with ESCA data of tricyanmethanide and dicyanamide derivatives.
    Notes: Die Photoelektronenspektren einiger Dicyanmethanido- und Cyanamido- sulfonate bzw. -carboxylate der Typen M[RSO2C(CN)2], M[RSO2NCN] und M[RC(O)NCN] werden mitgeteilt und diese im Vergleich mit den ESCA-Daten von Dicyanamid- und Tricyanmethanid-Derivaten diskutiert.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19916050114
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  • 6
    Electronic Resource
    Electronic Resource
    Epidermal G1-chalone and transforming growth factor-β are two different endogenous inhibitors of epidermal cell proliferation (1990)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 142 (1990), S. 496-504 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Epidermal G1-chalone and transforming growth factor-β (TGFβ), two endogenous inhibitors of epidermal cell proliferation, were compared with regard to several effects on epidermis in vivo and in vitro. Both factors inhibited DNA labeling in a rat tongue epithelial cell line, with similar kinetics and half-maximal effects at approximately 1 pg/ml (enriched chalone) and 1 ng/ml (TGFβ). For primary neonatal mouse keratinocytes, (TGFβ) was found to be a rather strong inhibitor of cell proliferation, whereas chalone showed only a weak effect on cells grown in medium containing 1.2 mM Ca2+ and no effect at all in the presence of 0.06 mM Ca2+. Vice versa, upon i.p. injection, only chalone was able to inhibit mouse epidermal DNA synthesis in vivo, whereas TGFβ had no effect at all. A moderate increase of transglutaminase activity in neonatal primary mouse keratinocytes was induced by both factors at concentrations of about 300 pg TGFβ/ml and 10 pg chalone fraction/ml. Chalone did not compete with [125]TGFβ for specific binding sites on primary murine keratinocytes. A polyclonal "chalone antiserum" did not interact with TGFβ, and a neutralizing TGFβ antibody that inhibited the effect of TGFβ on cell proliferation could not block the inhibitory effect of chalone on RTE2 cells. In contrast to TGFβ, epidermal G1-chalone did not induce proliferation of NIH-3T3 cells. These results indicate that epidermal G1-chalone and TGFβ are two different inhibitors of epidermal cell proliferation.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041420308
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  • 7
    Electronic Resource
    Electronic Resource
    2,5-Bis-(β-hydroxy-äthylamino)-terephthalsäure als Indikator in der Argentometrie. II (1962)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 316 (1962), S. 34-40 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 2,5-Bis-(β-hydroxy-ethylamino)-terephthalic acid is converted by oxidation by means of silver nitrate into an intensively red semiquinone. Therefore, the aminoacid can be used as an indicator for argentometric titrations. The estimation of J-, SCN-, S--, and Tl+ is described.
    Notes: 2,5-Bis-(β-hydroxy-äthylamino)-terephthalsäure geht bei der Oxydation mit Silbernitrat in ein intensiv rotgefärbtes Semichinon über. Infolge dieser Eigenschaft läßt sich die Aminosäure als Indikator in der Argentometrie einsetzen. Es wird über die Bestimmung der Jodid-, Rhodanid-, Sulfid- und Thallium(I)-Ionen berichtet.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19623160106
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  • 8
    Electronic Resource
    Electronic Resource
    Über das Δ2-Cyclohexenol-1 und das Δ2-Cyclohexenon-1 (1925)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 111 (1925), S. 373-400 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19251110126
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  • 9
    Electronic Resource
    Electronic Resource
    Determination of relative transmission function of two scanning modes of an electrostatic hemispherical analyser with a lens system (1980)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 2 (1980), S. 161-163 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Evidence is provided, that the transmission function Tp,a of an electrostatic hemispherical analyser with a lens system, operated at fixed transmission energy (FATE mode) relative to that for operation at fixed retarding ratio (FRR mode) varies with kinetic energy E according to E-1.25 (400 eV 〈 E 〈 1470 eV).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740020407
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  • 10
    Electronic Resource
    Electronic Resource
    Untersuchungen zur Plasmaätzung von Polymeren. VI. Veränderungen an der Oberfläche von PolypropylenTeil V: Acta Polymerica 32 (1981) 48 (1981)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 32 (1981), S. 337-343 
    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: As detected by photoelectron spectroscopy (ESCA) no saturation in concentration of N-containing groups occurs on the surface of polypropylene up to 50 minutes exposition in NH3 plasma. Under the particular conditions of the plasma the presence of amino groups is suggested. No large changes in structure of layers under the surface (up to 100 μm) were observed. The surface was roughed strongly by O2 plasma treatment. The etching patterns correspond to those of a predominantly monoaxialy stretched polymer.
    Notes: Bei der Behandlung von Polypropylenfolien im NH3-Plasma trat nach photoelektronenspektroskopischen Untersuchungen bis mindestens 50 min Behandlungszeit keine Sättigung der Konzentration an N-haltigen funktionellen Gruppen an der Polymeroberfläche ein. Bei den speziell gewählten Plasmabedingungen kann auf das Vorliegen von NH2-Gruppen geschlossen werden. Strukturelle Veränderungen in tieferliegenden Schichten traten kaum auf. Durch O2-Plasmabehandlung wurde die Folienoberfläche stark aufgerauht. Die Ätztruktur entsprach einem überwiegend monoaxial gereckten Polymer.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1981.010320609
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