But unlike carbon, silicon ametalloid --in fact, it's the most common metalloid on earth. "Metalloid" is a term applied to elements that are better conductors of electron flow -- electricity -- than nonmetals, but not as good as metals. What metals can bend without breaking? A: Theiro...
) Metalloidal; nonmetallic; -- contracted with positive or basic; as, the nitro group is negative. Negative (n.) A proposition by which something is denied or forbidden; a conception or term formed by prefixing the negative particle to one which is positive; an opposite or contradictory ...
Arsenic is an extremely toxic metalloid causing serious health problems. In Southeast Asia, aquifers providing drinking and agricultural water for tens of ... - 《Proceedings of the National Academy of Sciences of the United States of America》 被引量: 426发表: 2010年 High-efficiency cloning of...
A ductile contact matl. is produced by extruding an Ag-metal oxide, Ag-metal or Ag-metalloid composite prepd. by inner-oxidn. or powder-metallurgy, according to the Parent Patent. The assembly extruded consists of discs arranged perpendi... 被引量: 0发表: 1977年 Ceramic or metal powder ...
presence of a catalyst comprising (2) a trihydrocarbyl aluminium, (3) a titanium tetrahalide and, optionally, (4) a carbonylgroup containing compound, phosgene, a metal carbonyl, a metal carbonate or CO 2 , and/or (5) a halogen, certain halogen compounds, or a metal- or metalloid-...
Cavusoglu K, Yalcin E (2010) Detection of lipid peroxidation and cytotoxicity induced by aluminium (Al) and cobalt (Co) ions in barbunia root tip cells. J Environ Biol 31:661–666 CASGoogle Scholar Chaoui A, Mazhoudi S, Ghorbal MH, Ferjana EE (1997) Cadmium and zinc induction of lipi...
presence of a catalyst comprising (2) a trihydrocarbyl aluminium, (3) a titanium tetrahalide and, optionally, (4) a carbonylgroup containing compound, phosgene, a metal carbonyl, a metal carbonate or CO 2 , and/or (5) a halogen, certain halogen compounds, or a metal- or metalloid-...
presence of a catalyst comprising (2) a trihydrocarbyl aluminium, (3) a titanium tetrahalide and, optionally, (4) a carbonylgroup containing compound, phosgene, a metal carbonyl, a metal carbonate or CO 2 , and/or (5) a halogen, certain halogen compounds, or a metal- or metalloid-...