AlF_3 and cryolite (Na_3AlF_6) are of great importance in the exploitation of aluminum and belong along with hydrogen fluoride to the most important technical inorganic fluorine products, to contrast, organic compounds with the composition RAlF_2 arevirtually unknown. K- Ziegler mentioned the ...
LaC2+, LaC22+, LaC3 and teC3- clusters have been studied using B3LYP densityfunctional method. Four isomers with C2v, Cs, C∞v and D∞h Symmetry were presented forLaC2+ and LaC22+.Meanwhile, two spin States, namely, singlet and triplet for LaC2+, doubletand quartet for LaC22+, ...
Compounds 2and 3contain similar layers, which are linked into layer-pillared 3D frameworks by the ditopic bipy or bpea ligand in place of py. Comparing the structures of 2and 3, the increase in pillar length does not lead to increased multiplicity in interpenetration, due to the limitation of...
1997 ; Interplay between NO and (Fe-S) clusters: relevance to biological systems . Methods . 3 : 319 - 329Drapier JC. Interplay between NO and (Fe-S) clusters: relevance to biological systems. Meth- ods. 1997;11:319-329.Drapier, JC (1997) Interplay between NO and [Fe-S] clusters:...
Aldstadt, J., Getis, A.: Using AMOEBA to create spatial weights matrix and identify spatial clusters. Geographical Analysis 38, 327–343 (2006)Aldstadt J, Getis A (2006) Using AMOEBA to create a spatial weights matrix and identify spatial clusters. Geogr Anal 38(4): 327–343...
In 1990, the leading risks were childhood underweight (7·9% [6·8-9·4]), household air pollution from solid fuels (HAP; 7·0% [5·6-8·3]), and tobacco smoking including second-hand smoke (6·1% [5·4-6·8]). Dietary risk factors and physical inactivity collectively accounte...