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Fluorine ion apparatus for automatically measuring in a kind of coal and coal product
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A kind of combustion-supporting agent for fuel coal
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A kind of recycling device for high performance liquid chromatograph detection waste water
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A kind of imitative basalt fibre
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A kind of efficient gypsum reinforcing agent
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The Carboxylation method of modifying of nonpolar macroporous adsorption resin for glycyrrhizic acid absorption
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A kind of extraction process of matrimony vine flavones
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A method of it is starched using hydro-thermal carbonization reaction processing erythromycin film
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