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The frequent application of chemical fertilizers in vegetable fields has many harmful effects, whic ...MORE...
How to deal with the wear of the slab of the cement ball mill equipment
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Abstract The preliminary results of China's polysilicon “double-reverse†on E ...MORE...
Stone surface treatment: stone renovation surface treatment process
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Dai Zengliang, Chief, Programming Technology Division, Mould Center, Great Wall Motor Co., Ltd. At ...MORE...
Five barriers in Daya Bay Nuclear Power Station ensure safety
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How to distinguish between submersible pumps and sewage pumps
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Potatoes are often used as feed. The content of the solanine in the tubers of Maling Camp is gener ...MORE...
The aging of low carbon steel usually has two kinds of quenching aging and strain aging, which ...MORE...
This year's US wind energy development will benefit from the tax credit policy
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Recently, the reporter learned from Anhui Provincial Department of Land and Resources that Anhui ...MORE...