نتایج جستجو برای: ch
تعداد نتایج: 23534 فیلتر نتایج به سال:
MIL-53-Cu has been synthesized hydrothermally and has been used for the first time for gas separation. MIL-53-Cu shows adsorption capacities of 8.1, 0.7 and 0.5 m.mol/g, respectively, for CH4, CO2 and H2 at 30 bar and 298 K. The high CH4 adsorption capacity of MIL-53-Cu maybe attributed to the high pore volume and large number of open metal sites....
The reaction of 1,3,5-trimethyl-1,3,5-triazacyclohexane (TMTAC) with [La{Al(CH(3))(4)}(3)] resulted in C-H activation, leading to the formation of [(TMTAC)La{Al(CH(3))(4)}{(mu(3)-CH(2))[Al(CH(3))(2)(mu(2)-CH(3))](2)}] (1) containing a bis(aluminate) dianion and subsequent extrusion of methane. A similar reaction with [Y{Al(CH(3))(4)}(3)] led to the formation of CH(4), [TMTAC{Al(CH(3))(3)}(2)] (...
Iniciativa PermanentnĂ strukturovanĂĄ spoluprĂĄce (PESCO) je nĂĄstroj EvropskĂŠ unie (EU) zakotvenĂ˝ v LisabonskĂŠ smlouvÄ z roku 2007, kterĂ˝ umoĹžĹuje vznik mezinĂĄrodnĂch projektovĂ˝ch tĂ˝mĹŻ zamÄĹenĂ˝ch na konkrĂŠtnĂ tĂŠma a vytvoĹenĂ˝ch s cĂlem posĂlit schopnosti armĂĄd ÄlenskĂ˝ch zemĂ EU podpoĹit tak SpoleÄnou bezpeÄnostnĂ obrannou politiku. Oblast bojovĂ˝ch chemickĂ˝ch l...
The tetranuclear complexes [{(PiPr(3))(2)(CO)ClRu(mu-CH=CHpy)Ru Cl(CO)(PPh(3))(2)}(2)(mu-CH=CH-C(6)H(4)- CH=CH-1,4)] (3 a) and [{(PiPr(3))(2)(CO)ClRu(mu-CH=CHpy)RuCl(CO)(PPh(3))(2)}(2)(mu-CH=CH-C(6)H(4)-CH=CH-1,3)] (3b), which contain vinylpyridine ligands that connect peripheral Ru(PiPr(3))(2)(CO)Cl units to a central divinylphenylene-bridged diruthenium core, have been prepared and investigat...
Deltahedral Zintl ions Ge9 are disubstituted with organic fragments that have various functional groups. Some of the latter are appropriate for coordination to transition-metals to eventually form coordination compounds where the organo-Zintl species act as ligands. Examples of [Ge9R2] include R 1⁄4 eCH]CHIm(Me), eCH]CHeC6H4eOMe, eCH]CH-Fc, eCH]CHe(CH2)4eC^CH, eCH]CHeC6H4eC^CH, CH] CHeC6H4eNH2,...
Introduction:Congenital hypothyroidism (CH) is the leading cause of preventable Mental retardation. Neonatal screening in the first days of life with early diagnosis prevents the decrease in IQ. The aim of this study is to determine the prevalence of CH and associated factors to helps policymakers and managers of health system. Methods:This cross-sectional study was done on 51938 neonate...
The present study was designed to investigate the inhibitory effect of 2,4 bis-[(4-ethoxyphenyl)azo] 5-(3-hydroxybenzylidene) thiazolidine-2,4-dione (TZD-OCH2CH3) on the cyclo-oxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) in RAW 264.7 cells. The effects of TZD-OCH2CH3 on COX-2 and iNOS mRNA expression in LPS-activated RAW 264.7 cells ...
Background: Hypothyroidism (HT), a relatively common condition among general population is associated with lipid profile abnormalities. The present study was designed to determine the contributive role of HT in the development of hypercholesterolemia (HCH). Methods: One hundred thirty six consecutive patients with HT and 272 euthyroid controls entered the study. Serum total cholesterol (CH) lev...
Tandem calponin-homology (CH) domains are the most common actin-binding domains in proteins. However, structural principles underlying their function are poorly understood. These tandem domains exist in multiple conformations with varying degrees of inter-CH-domain interactions. Dystrophin and utrophin tandem CH domains share high sequence similarity (∼82%), yet differ in their structural stabi...
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