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A kind of method of magnetic polymer flocculation pre-treatment L-lactic acid fermentation liquid
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New pulse distributor
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Power convertion circuit with protective self locking function
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High accuracy low distorsin pulse power amplifying circuit
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High power abnormal and over protective switch based on thyrister
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Small volume low loss superconductor CICC connector structure
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First wall part coated with thick wolfram coat or copper alloy heat sink and mfg. method thereof
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Method for chloridizing high molecule polymer by low temperature plasma
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Method of plasma for initiating polymerization of vinyl monomer
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Method of utilizing lipase deletant in selectively breeding storable crop variety
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Insecticide, herbicide material harmless to enrironment and its insect killing weed eliminating method
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Bacillus subtilis strain, preparation method, preparation preparing proess and use
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Sand-fixing method for preventing heat radiation and water evaporation of plant branch in desert cuttage
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Method of treating radioactive solution and industrial and domestic sewage with carbon nanotube
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Method and system for subcritical nuclear rubbish treatment and nuclear fuel production based on fissioner neutron breeding
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Vacuum infusion process of large winding in soft mold
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Method and device for producing mononeutron microbeam
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