نتایج جستجو برای: lanthanum chloride heptahydrate
تعداد نتایج: 90994 فیلتر نتایج به سال:
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La(21)Ru(9+x)In(5-x) (Pearson symbol tI140) is isotypic to the filled Y(3)Rh(2)-type structure, from which it can be derived through an ordered substitution at two sites. One of the square-prismatic sites (site symmetry ..m) is occupied by a mixture of Ru and In atoms and one of the square-antiprismatic sites (4/m..) is fully occupied by In atoms.
phosalone, malathion and diazinon were analyzed in corn oil using solid phase extraction (spe)with lanthanum silicate as a new solid sorbent followed by gas chromatography with nitrogenphosphorus detection (gc-npd). the efficiency of different eluents (methanol, dichloromethane,ethyl acetate, dichloromethane — ethyl acetate (1:1) and ethyl acetate — methanol (1:1)) werecompared for elution of o...
The title compound, [Ca(C16H12O4)(H2O)6] H2O, adopts a conformation about the central CÐC bond that places the two carboxylate groups in an anti orientation. The crystal consists of layers of two-dimensional arrays of 2,3-diphenylsuccinate dianions which are linked by bridging Ca cations. The unit cell contains two Ca cations in an unusual fourmembered CaÐOÐCaÐO ring in which the bridging O ato...
The mechanism of branchial lead uptake and interplay with Ca(2+) transport was investigated in the freshwater rainbow trout Oncorhynchus mykiss. Lead significantly reduced Ca(2+) influx by approximately 40% and 30% after exposure to 2.3+/-0.1 and 1.4+/-0.2 micromol l(-1) dissolved lead, respectively, for 0-48 h. Acute inhibition of Ca(2+) influx by lead exhibited typical Michaelis-Menten kineti...
OBJECTIVE Endothelial cell (EC) migration, essential for reestablishing arterial integrity after vascular injury, is inhibited by oxidized LDL (oxLDL) and lysophosphatidylcholine (lysoPC) that are present in the arterial wall. We tested the hypothesis that a mechanism responsible for lysoPC-induced inhibition is increased intracellular free calcium concentration ([Ca(2+)](i)). METHODS AND RES...
[La[N(SiHMe2)2]2[CH(PPh2NSiMe3)2]], which was obtained via an amine elimination starting from [CH2(PPh2NSiMe3)2] and [La[N(SiHMe2)2]3(THF)2], was used as catalyst for the hydroamination/cyclisation, the hydrosilylation and the sequential hydroamination/hydrosilylation reaction.
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