"सिलिका": अवतरणों में अंतर

Rescuing 5 sources and tagging 0 as dead.) #IABot (v2.0.1
पंक्ति 23:
== बाहरी कड़ियाँ ==
{{सिलिकॉन यौगिक}}
* amorphous, [https://web.archive.org/web/20100701183803/http://www.cdc.gov/niosh/npg/npgd0552.html NIOSH Pocket Guide to Chemical Hazards]
* crystalline, as respirable dust, [https://web.archive.org/web/20100307001844/http://www.cdc.gov/niosh/npg/npgd0553.html NIOSH Pocket Guide to Chemical Hazards]
* [https://web.archive.org/web/20080214085317/http://www.crystec.com/klloxide.htm Formation of silicon oxide layers in the semiconductor industry]. LPCVD and PECVD method in comparison. Stress prevention.
* [https://web.archive.org/web/20110715083534/http://piezomaterials.com/Quartz-SiO2.htm Quartz SiO<sub>2</sub> piezoelectric properties]
* [https://web.archive.org/web/20100607235030/http://water-chemistry.blogspot.com/2008/08/silica-sio2.html Silica (SiO<sub>2</sub>) and Water]
 
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