TY - CHAP A1 - Wilhelm, Gernot T1 - Urartu als Region der Keilschrift-Kultur N2 - No abstract available. KW - Urartu Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87689 ER - TY - CHAP A1 - Knopf, Monika A1 - Körkel, Joachim A1 - Schneider, Wolfgang A1 - Weinert, Franz E. T1 - Human memory as a faculty versus human memory as a set of specific abilities: Evidence from a life-span approach N2 - No abstract available. KW - Gedächtnis Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87394 ER - TY - JOUR A1 - Schneider, Wolfgang A1 - Helmke, Andreas T1 - The role of classroom differences in achievement changes N2 - A combined criterion involving the regression slopes of pretest-posttest achievement scores and achievement gain scores was used to classify similar types of classrooms. Mathematics achievement differences among 632 fifth graders were analysed in a longitudinal design and explained in a structural equation framework provided by LISREL, separately for four types of classrooms. The results replicated the findings of an earlier study (Schneider & Treiber, 1984) in that the local nature of achievement models could be demonstrated. That is, the structural components of the causal models could not be generalized across the four groups of classrooms. The inclusion of a second grouping criterion (i. e., achievement gainJ proved useful in that a better model fit was always obtained for classrooms with high achievement gains. As a global model test ignoring group and classroom membership did mask the differential validity of the achievement model in the various subgro.ups, the need for multilevel approaches was emphasized. KW - Schulleistung KW - Schulklasse KW - Unterschied Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87356 ER - TY - CHAP A1 - Schneider, Wolfgang A1 - Helmke, Andreas T1 - Mehrebenenanalytische Ansätze zur Erklärung von Schulleistungen N2 - No abstract available. KW - Schulleistung KW - Kontextanalyse Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87348 ER - TY - JOUR A1 - Schneider, Wolfgang T1 - How to avoid traps and fallacies: The multilevel issue in educational research N2 - Review of "Hans Oosthoek and Pieter van den Eeden (Eds.) Education From the Multi-Level Perspective: Models, Methodology and Empirical Findings. - London: Gordon & Breach Science, 1984. 295 pp." Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87336 ER - TY - JOUR A1 - Zielinski, Werner A1 - Schneider, Wolfgang T1 - Diagnostische Möglichkeiten bei Lese- und Rechtschreibschwierigkeiten - Folgerungen aus der Forschung N2 - No abstract available. KW - Rechtschreibschwäche KW - Lesestörung KW - Diagnose Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-87325 ER - TY - JOUR A1 - Tacke, Reinhold A1 - Bentlage-Felten, Anke A1 - Linoh, Haryanto A1 - Magda, Stephen T1 - Sila-Analoga des Triparanols und Ethamoxytriphetols: Synthese sowie pharmakologische und toxikologische Eigenschaften T1 - Sila-analogues of Triparanol and Ethamoxytriphetol: synthesis as well as pharmacological and toxicological properties N2 - No abstract available. KW - sila-subsitution KW - triparanol KW - ethamoxytriphetol KW - hypolipidemic activity KW - toxicological properties Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86940 ER - TY - JOUR A1 - Tacke, Reinhold A1 - Link, Matthias A1 - Joppien, Hartmut A1 - Ernst, Ludger T1 - Sila-Substitution des Akarizids Fenbutatinoxid und einiger seiner Derivate: Synthese und Eigenschaften von Hexakis[(dimethylphenylsilyl)methyl]distannoxan und Tris[(dimethylphenylsilyl)methyl](1,2,4-triazol-1-yl)stannan T1 - Sila-substitution of the Acaricide Fenbutatinoxide and some of its derivatives: synthesis and properties of Hexakis[(dimethylphenylsilyl)methyl](1,2,4-triazol-1-yl)stannane N2 - No abstract available. KW - Chemische Synthese KW - Akarizid KW - sila-substitution KW - fenbutatinoxide KW - hexasila-fenbutatinoxide KW - acaricides KW - syntheses Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86937 ER - TY - JOUR A1 - Zimmermann, U. A1 - Stopper, Helga T1 - Elektrofusion und Elektropermeabilisierung von Zellen N2 - No abstract available. KW - Elektrofusion KW - Elektroporation KW - Zelle Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86865 ER - TY - JOUR A1 - Lohse, Martin J. A1 - Klotz, Karl-Norbert A1 - Schwabe, Ulrich T1 - Effectes of temperature and membrane phase transitions on ligand binding to a2-receptors of human platelets N2 - The binding of agonists and antagonists to a2-adrenergic receptors of human platelets was studied. The receptors showed homogeneaus affinities for antagonists but two affinity states for the agonist (-)-epinephrine, which were modulated by guanine nucleotides. Van't Hoffplots of antagonist binding had a break point at about 18° and considerable diversity between 18° and 0°. Agonist binding to both affinity states showed a similar break point; agonist binding to the high affinity state was characterized by a large entropy component compared to the low affinity state. This entropy component was reduced at higher concentrations of sodium, indicating that it may be due to Iiberation of sodium ions. Measurements of the fluorescence of 1-anilin-8-naphthalenesulfonate showed thermotropic phase transitions of theplatelet membranes at about 17°. The transition temperature was decreased to about 12° by addition of 1 0 mM octanoic acid. Octanoic acidalso shifted the break points of the van't Hoffplot of antagonist and low affinity agonist binding from 18° to 12°. High affinity agonist binding, however, remained unchanged. It is concluded that agonist-specific thennodynamic characteristics of ligand binding to a2-receptors of human platelets can only be investigated by regarding differences between high and low affinity agonist binding. These differences include an entropy increase upon Iigand binding, which is in part due to enhanced liberation of sodium ions, and a loss of sensitivity to fluidity changes in the outer layer of the plasma membrane. KW - Molekularpharmakologie Y1 - 1986 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-86023 ER -