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Precious Stones - Precious Gems - History Gem - Gem Stone

Colored Stone - Buying Gemstones - Rare Stone - Rare Metal






Green Materials For Energy, Products And Depollution

RRP $491.99

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Using renewable fuels and materials, drinking clean water and food, and breathing safe air are major issues for a sustainable world. This book reviews biodiesel production from microalgae, a promising energy source that does not compete with food production. Several advanced techniques to clean polluted waters, such as electrochemistry, ferrites photocatalysis and low-cost filtration are presented. Chapters also show various living organisms used as bioindicators of toxic metals. Decreasing ecotoxicity of pesticides using suitable surfactants is reviewed. The last chapter evidences new pollutants in urban soils, halogenated polycyclic aromatic hydrocarbons.?


Sticks And Stones...and Words That Hurt Me

RRP $29.99

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Domestic violence is an insidious malady, hidden in the shadows of shame and misplaced blame. It plagues families around the world, the trauma and harmful behavior patterns inherited by each generation. This anthology reflects the feelings of victims and those they love, interspersed with statistics to emphasize the prevalence of situations of physical, sexual, emotional, and verbal abuse. A portion of the proceeds from this anthology will be used to support victims of domestic violence. Together we can stop this vicious cycle. Sharing stories and understanding sheds light on unacceptable behavior and empowers victims.



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Australian Gemmologist Articles

Precious Stones Precious Gems History Gem Gem Stone
Colored Stone Buying Gemstones Rare Stone Rare Metal
Japanese Stones Green Stones Birth Stone Rhinestone

Australian Gemmologist Books

Precious Stones Precious Gems History Gem Gem Stone
Colored Stone Buying Gemstones Rare Stone Rare Metal
Japanese Stones Green Stones Birth Stone Rhinestone

Australian Gemmologist





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Website Investments