نتایج جستجو برای: tellurium iv

تعداد نتایج: 188600  

Journal: :Zeitschrift für Kristallographie - New Crystal Structures 1999

Journal: :Pediatrics 2005
Mark C Yarema Steven C Curry

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...

Journal: :Journal of nanoscience and nanotechnology 2006
Paritosh Mohanty Jeunghee Park Bongsoo Kim

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. ...

Journal: :Angewandte Chemie International Edition 2003

Journal: :Chemistry: A European Journal 2021

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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