Top Quality Surfactant Manufacturers & Suppliers Global Directory - Find Surfactant Manufacturers, Suppliers, Producers and Exporters. Choose Certified Organic and ...
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To exploit sesamin as a natural food antioxidant,the antioxidation activity of sesamin at high temperature was studied.The results show that sesamin possesses effective ...
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Orbit ball valve is a new type of line pipe valve which is developed . and designed by foreign advanced technology. It can be applied to natural gas, petroleum ...
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