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211) The effect of catalyst, epichlorohydrin and base on product was studied.

212) In this paper, chloroethanol is synthesized by the reaction between ethylene oxide and industrial hydrochloride with CaCl 2/Na 2HPO 4 as catalyst.

213) Tetrabutylammonium bromide ( TBAB ) was found to be the most effective phase - transfer catalyst in this reaction.

214) The latest progress on the researches of zeolite superacid catalysts, which is a novel catalyst possessed the advantages of both zeolite and super acid catalysts, was reviewed in this paper.

215) A new technology for synthesis of mesitylene from pseudocumene by liquid non-hydroisomerization on M-2 catalyst was studied.

216) On its own , titania works as a catalyst for this reaction in ultraviolet light.

217) The effect of catalyst circulation rate on operation was also discussed.

218) This paper discusses the principle with which phase transfer catalyst acts on the synthesis of paclobutrazol.

219) G 1 is a multifunction catalyst and purified effect surpassed the old ZnO desulfurizer.

220) Iso - amyl acetate was synthesized with ammonium ceric sulfate as catalyst neutralized acetic acid and iso - amyl alcohol.

221) The recovery and reuse of waste solvent from the loading process of metallocene catalyst were studied.

222) The catalyst activity for degrading methyl orange was investigated by microwave induced oxidation process ( MIOP ).

223) The catalytic performance of a deactivated commercial CB-8 Pt-Re reforming catalyst has been entirely recovered after chlorinating and retreating, which can be reused in the commercial unit.

223) Wish you can benefit from our online sentence dictionary and make progress every day!

224) The invention relates to a catalyst used for synthesizing alkyl carbamate and a preparing method and an application thereof in synthesizing alkyl carbamate.

225) This paper was study of atmospheric pressure synthesis ofp-nitroanisole from p-nitrochlorobenzene, methanol and sodium hydroxide catalysed by phase transfer catalyst benzyl triethyl ammonium chloride.

226) Principle of nanometer catalyst preparation through reverse microemulsion method and its application in preparation of high temperature combustion catalyst were introduced.

227) The GOR-DQ catalyst for reducing FCC gasoline olefinicity was designed on the basis of chemical reactions in catalytic cracking conditions.

228) The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.

229) The solvent capacity of ionic liquid for alkane is important to he separation of the alkylate and the catalyst.

230) The effects of temperature, feeding rate of reactants, and quantity of catalyst used on the hydrosilylation reaction were investigated.

231) Poly(succinimide)(PSI) was synthesized by polycondensation of L-aspartic acid in a solvent. The effects of the catalyst, reaction time and solvent on the reaction were studied.

232) The effects of tridentate ligand structure, central atom, co catalyst and supported on property of catalysts are presented.

233) It was found that the apparent rate orders with respect to both initiator of ethyl 2-bromoisobutyrate (EBIB) and catalyst of cuprous bromide are 0.8985 in the ATRP of DMAEMA.

234) Application of the RN-1 type catalyst in the lube stock hydrofinishing unit of Jinxi Petroleum Processing and Petrochemical Works was introduced.

235) KD can improve the burning rate of this type of propellant and can help "Pb-Cu-CB" composite combustion catalyst to enhance plateau effect of this type of propellant.

236) The industry side- stream experiments of the surfer- resistant shift catalyst QCS- 10 and commercial catalyst A were performed.

237) The invention relates to sulfonic acid rare earth catalyst used for preparing polyisoprene and preparation method and application thereof.

238) Both catalyst - borane - ketone adducts and catalyst - alkoxyborane adducts have four stable structures.

239) The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.

240) The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.