Synthetic organosiloxane gels that are formed from synthetic polymers of silicone oxide with organic sidechains (polydimethylsiloxane) by lengthening the polymer chains. Unlike silicone elastomers, they are not treated with amorphous silica. They are used as fillers in breast implants
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Gels -- therapeutic use : Macroporous polymers : production properties and biotechnological/biomedical applications / edited by Bo Mattiasson, Ashok Kumar, Igor Yu. Galaev
Gem carving : Stories in stone : the enchanted gem carving sculptures of Vasily Konovalenko / Stephen E. Nash ; with photographs by Richard M. Wicker ; and contributions from James W. Hagadorn and Tatiana Muntian
2016
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Gem carving -- 20th century : Stories in stone : the enchanted gem carving sculptures of Vasily Konovalenko / Stephen E. Nash ; with photographs by Richard M. Wicker ; and contributions from James W. Hagadorn and Tatiana Muntian
Here are entered mineralogical and technological works on potential and actual engraved stones and jewels. Antiquarian or artistic works on engraved stones and jewels are entered under Gems