نتایج جستجو برای: tellurium iv
تعداد نتایج: 188600 فیلتر نتایج به سال:
Tellurium is an element used in the vulcanization of rubber and in metal-oxidizing solutions to blacken or tarnish metals. Descriptions of human toxicity from tellurium ingestion are rare. We report the clinical course of 2 children who ingested metal-oxidizing solutions containing substantial concentrations of tellurium. Clinical features included vomiting, black discoloration of the oral muco...
Single crystalline tellurium nanowires were successfully synthesized in large scale by a facile approach of vaporizing tellurium metal and condensing the vapor in an inert atmosphere onto a Si substrate. Tellurium was evaporated by heating at 300 degrees C at 1 torr and condensed on the Si substrate at 100-150 degrees C, in the downstream of argon (Ar) gas at a flow rate of 25 sccm for 30 min. ...
Explaining the oxidation–cyclization mechanism of heterocycles containing Te−O bonds. The structures halogenated Te-containing have been elucidated, and computational methods showed them to be prepared in a two-step oxidation–cyclization. three compounds shown represent both structural diversity biological application these hypervalent as leishmanicides. More information can found Full Paper by...
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