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Preparation method of high-activity high-selectivity methanol synthesis catalyst
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Simple, energy-saving and environment-friendly preparation method of methanol synthesis catalyst
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Environment-friendly fluidized bed alkane dehydrogenation catalyst and preparation method thereof
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Valve with sectional type valve rod
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Multiple composite seal prevents valve rod leakage formula valve rod filler structure
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Novel core-shell structure catalyst for synergistic denitration and demercuration and preparation method thereof
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Pressurized raw coke oven gas purification system and process
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Method for preparing methyl acetate by dimethyl ether carbonylation
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Energy-saving process for separating ethanol and water in process of preparing ethylene glycol by diethyl oxalate through hydrogenation
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Preparation method of high-stability methanol synthesis catalyst
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Preparation method of high-activity methanol synthesis catalyst
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Method and system device for preparing hydrogen for purifying fuel cell
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Composite molecular sieve catalyst for preparing olefin by propane dehydrogenation and preparation method thereof
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Efficient natural gas conversion hydrogen production method convenient for skid-mounting
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Intelligent start-stop pressure swing adsorption hydrogen production system and start-stop method thereof
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Electrically driven programmable valve with zero dead volume and sample injection gas circuit system
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Pre-conversion catalyst and preparation method thereof
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Low-cost natural gas conversion catalyst and preparation method thereof
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Anhydrous chemical absorbent for absorbing acid gas and application thereof
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Treatment method of displacement exhaust gas of flash evaporation kettle of polypropylene device
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