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Process for preparing 3,3-dimethyl amylene-4 acid methyl ester by direct esterification
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Solid ziegler catalyst for olefins and preparation thereof
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Method for production of modified asphalt for construction
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Resin composition for self temperature controlling electric heating cables
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Catalyst for preparing m-stereospecific polymerized styrene
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Catalyst for preparing m-stereospecific polymerized styrene
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Catalyst for preparing styrene stereospecific polymers
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Improvement of kaolin
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Insoluble polymer bactericidal agent and preparation thereof
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Catalyst for alkylation of benzene and ethylbenzene manufactured from ethylene
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Catalyst for toluene disproportionation and alkyl transfer
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Process for preparation of alkyl benzene
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Technology for prepn. of ethyl benzene by reaction of thin ethylene and benzene
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Preparing method for bistriphenyl silane chromate
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After-treatment of sulfur-preserving and denitrifying additive for base oil of lubricating oil
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Additives for base oil of lubricating oil
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Rifining method for catalylic cracking gasoline by adding hydrogen
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Take water glass as the synthetic BETA zeolite in silicon source
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Detector for ZrO2 measuring oxygen sensor
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Method for removing parts of fine-grain of crystal liquid in crystallizer and making large grain crystal
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