( 1a , Cp′ = Cp = η 5 -C 5 H 5 ; 1b , Cp′ = Cp* = η 5 -C 5 Me 5 ; BTMSA = Me 3 SiC≡CSiMe 3 ) were found to react with iodine and methyl iodide yielding [Ti(Cp′) 2 (μ-I) 2 ] ( 2a / b ; a refers to Cp′ = Cp and b to Cp′ = Cp*), [...
n32720* --physics (low temperature)--superconductivityequationspinning forcesuperconductivityIt is pointed out that the former derivations of the pinning force in non-ideal type II superconductors are wrong in principle. An expression of pinning force is derived in case of a linear fluxoid-lattice,...
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positive effect on the strength development of the mixtures, the occurence of damaging reactions (formation of ettringite, alkali-silica reaction) could mostly be excluded.%Bei der Herstellung des Blähglases Liaver~® fallt ein aktiviertes Tonmehl an, das auf Grund der thermischen Behandlung ...
Abstract Ausgehend von Cp2(Me)Si–Si(Me)Cp21 wurden die Verbindungen X2Ti[(C5H4)(C5H4)(Me)Si–Si(Me)(C5H4)(C5H4)]TiX2 (X = Cl (2 a); X = Me (3)) synthetisiert und mittels ihrer 1H-, 13C-NMR- sowie Massenspektren charakterisiert. Die Kristallstruktur vo...
The reversible photochemical ( E )-( Z )-isomerization of 1,2-diarylsubstituted ethylenes in the presence of π-acceptors in liquid solutions and in PMMA-films leads to the equilibrium states of the relevant molecular complexes. The longest wavelength absorption maxima of the molecular complexes ...