1) A catalyst is a substance which speeds up a chemical reaction.

2) The last step is to regenerate the catalyst.

3) Chlorine will act as a catalyst.

4) The high suicide rate acted as a catalyst for change in the prison system.

5) The riots were later seen as the catalyst for the new political developments.

6) It acts as a catalyst in the process of fermentation.

7) I see my role as being a catalyst for change.

8) The workers'demand for better conditions was a catalyst for social change.

9) They hope his election will act as a catalyst for reform.

10) Gaia as a catalyst for scientific enquiry.

11) John was a catalyst who gave them the exposure.

12) The women are the catalyst in this story.

13) Landfill has been the traditional method of catalyst disposal.

14) The catalyst for this rebound in prices: large declines in stockpiles of the metal registered with New York Mercantile Exchange warehouses.

15) Lewis is looking for a catalyst to recapture some of its original vigour and purpose.

16) The catalyst for her new ensemble was undoubtedly her 1987 marriage to her fellow troubadour Mr David Stewart.

17) A catalyst facilitates a chemical process without being used up or changed itself.

18) The catalyst for change, perhaps not surprisingly,(http:///catalyst.html) has come from outside the family.

19) The town acts as a catalyst for social development producing new cultural orientations among its residents.

20) I very much hope that this case will prove to be a catalyst for change.

21) The offer of a new job provided just the catalyst she needed.

22) He said he saw the bank's role as a catalyst to encourage foreign direct investment.

23) To have lost the 1987 election could be forgiven; it provided the final catalyst for Labour's long-drawn out policy reform.

24) Forbes, speaking by telephone, promoted his flat tax plan as a catalyst for economic good times.

25) It transforms the police officer from an investigator and enforcer into a catalyst in a process of community self-help.

26) Recent history shows that a determined minority can serve as a catalyst for change.

27) It seems certain that to Modigliani she acted as stimulant, irritant and catalyst for his work.

28) A ￡19.95 investment in a Blackjack putter is the catalyst which has brought about a change in fortune for Davies.

29) In the new process, the carpet is granulated and then mixed and extruded with a catalyst.

30) In the case of lube oil production, an aspect of primary importance is catalyst selection.

1) I very much hope that this case will prove to be a catalyst for change.

2) A catalyst is a substance which speeds up a chemical reaction.

3) It acts as a catalyst in the process of fermentation.

4) The workers'demand for better conditions was a catalyst for social change.

31) But in avid pursuit of the lowest common denominator, Fox became a catalyst in the coarsening of popular culture.

32) The primary responsibility of the federal government was to serve as a catalyst for local initiative.

33) Describing himself as a history buff, Acosta offers his Web site primarily as a catalyst for further discussion.

34) Take the new catalyst plant at Clitheroe; the whole project team has met unbelievably difficult performance standards.

35) Indeed, a 1990 study by Catalyst found initial resistance to flexible schedules by 41 percent of middle managers.

36) It served as a catalyst which greatly accelerated the pace of change within the Empire.

37) The developer or his land buyer should act as the catalyst in such situations.

38) However, specific events are often the catalyst that spurs the extremist-activist into action.

39) The standard form, priced at ￡12,386, includes a catalyst, sophisticated central locking system and power-assisted steering.

40) Such evidence may also act as a catalyst for improving the methods by which meta-analyses are conducted.

41) By showing things-as-they-are, then showing them penetrated by the catalyst, the agent that embodies the will-to-change.

42) The meeting with Katherine Fisher earlier in the week had served as a catalyst.

43) It is hardly an incentive to achieve justice or a catalyst to resolve cases speedily.

43) is a online sentence dictionary, on which you can find good sentences for a large number of words.

44) Turbulence is an essential catalyst in ecology, but it was not cheap to replicate in a man-made environment like Bio2.

45) The catalyst for this transformation was an extraordinary woman named Kimi Gray.

46) The women's movement acted as a catalyst for change in the workplace.

47) Such emotionally fervent piety was also provided with a catalyst in the devotional use of images.

48) It also acted as the catalyst to form fossil fuels from tiny animals millions of years ago.

49) Women are excluded very subtly, said Dawn Fisher,() project manager for the Catalyst survey.

50) To explain it, Eliot gave the analogy of a catalyst in a chemical reaction.

51) The recent dramatic growth of urban areas has been one powerful catalyst for change.

52) But hydrogen peroxide and hydroquinone don't react violently together unless a catalyst is added.

53) The device comprises a steel casing within which a ceramic or metal support is coated with a catalyst of precious metals.

54) Government can play an essential role as a catalyst and in establishing the framework in which successful technology transfer can be achieved.

55) The catalyst for the demonstrations was the beating to death of a student demonstrator by riot police.

56) The National Lottery may be a catalyst for a change in this attitude, and so might the problems with recruiting volunteers.

57) The enrichment of forms and surfaces acts as a social catalyst.

58) Forbes, speaking by telephone, promoted his flat tax plan as a catalyst for economic prosperity.

59) The catalyst to make her trust in her abilities and the improved results was there was no separate ladies' event.

60) That training was the catalyst bringing together many of the negative elements of the law as practiced today.

61) The catalyst for the unrest was the death of Kang Kyong Dae on April 26.

62) They act as a catalyst for a company and help it to focus on a higher level of performance.

63) Don Bradman, the catalyst of the affair, was only temporarily tamed, as his Test batting average of 56.57 testified.

64) There is also some cause for optimism in the record number of new product qualifications achieved by the supported catalyst business.

65) In view of this, Marxist teaching can be seen as a kind of catalyst.

66) The application of palladium - carbon catalyst was introduced.

67) The effect of catalyst, reaction temperature, reaction pressure on conversion and purity vinyl ether was discussed.

68) With phase transfer catalyst method, the oligomerswas obtained and transformed to monovinylpolyethersulfones macromer. Its structure was characterized with IR and 1H-NMR.

69) Esterification reaction of ricinoleic acid with normal butanol was studied using NaHSO 4· H 2 O as catalyst.

70) The PLC is the core of the catalyst automatic feed control system. It can improve the FCCU automation control level.

71) The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method.

72) It is reported that fusel oil can be used for synthesising mixing esters mainly inclusding amyl acetate when it is heated and back-flowed with Catalyst oil of vitriol or canon exchange resin.

73) Di-isooctyl adipate was synthesized with hexane diacid and 2-ethyl hexanol as raw materials and p-toluene sulphonic acid as the catalyst.

74) A catalyst was applied in the oxidation process to remove sulfides from sulfur-containing caustic sludge produced in gasoline and LPG desulfurization operations.

75) A fluidized-bed process for upgrading FCC naphtha ZSM-5 zeolite catalyst has been developed.

76) A method for synthesis of isobutyl acetate based on ceric sulfate as catalyst was developed.

77) N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst.

78) Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

79) Nerolidol was prepared by selective partial hydrogenation of dehydronerolidol at normal or nearly normal pressure in presence of a catalyst.

80) The surface acidity or basicity of six - component transition metal catalyst was studied.

81) Diisopropyl succinate was synthesized from succinic acid and isopropanol with p - methyl benzenesulfonic acid as catalyst.

82) The catalyst is particularly suitable for use in non-fixed bed processes for the hydroprocessing of heavy hydrocarbon feeds.

83) A variety of synthetic methods of heat-resisting modifier PMIare introduced and the use of inorganic, organic salt and organic acid as catalyst is concluded.

84) The characterization of FTIR demonstrates that the acetic acid species is adsorbed in the catalyst surface after reaction, especially the reaction with water.

85) The reaction conditions of supported heteropoly acid catalyst was examined in a fixed - bed reactor.

86) From rejected ion exchange membrane the perfluorinated acid resin is abstracted as solid super acidic catalyst.

87) The kinetics of hydrodealkylation of toluene into benzene on CrMo catalyst was studied.

88) Determination method of Pd content in hydrotreating catalyst by ICP - AES was established.

89) The catalyst also had high side pressure, low bulk density and good capacity of self-generation.

90) Regular carbon micro-coils were obtained by a catalytic pyrolysis method with acetylene as a carbon resource and Ni as a catalyst and thiophene as a promotor.

91) It provides therm odynamic data for determining reaction conditions and choosing catalyst.

92) The mingling of men and ideas was a revolutionary catalyst in itself.

93) By using ethyl cyanoacetate and iso-octanol as raw materials, iso-octyl cyanoacetate was synthesised through interesterification by tetrabutyl titanate as catalyst.

94) When the magnetite suspension solution was used as catalyst, crystalline bamboo-structured CNTs were obtained. Y junction CNTs were also obtained under ambient condition.

95) Asia Catalyst will select one IDU group for one-on-one coaching in the organization's office, to help the IDU group to master basic research skills.

96) Vanadium-phosphorus-oxide(VPO) catalyst was prepared by adding Ce and Fe complex oxide to the precursor of VPO catalyst during the organic synthesis process.

97) The joint evaluation program will focus on improving the mixed alcohol catalyst, as well as demonstrating pilot scale performance and the commercial relevance of an integrated facility.

98) The project can ensure conversion rate of catalyst and reduce the decline of power of engine.

99) Experiment on the transesterification of jatropha curcas oil with p - toluene sulphonic acid as catalyst was studied.

100) Experimental study of biomass powder(phoenix tree leaves) gasification which using the vapour as catalyst.

101) Using p-toluensulphonic acid supported by activated carbon as catalyst, glycerol triacetate was synthesized from glacial acetic acid and glycerin.

102) The process comprises the following steps: dehydrofluorinating 3-chloro-1,1,1,3-tetrafluoropropane under conditions sufficient to effect dehydrofluorination in the presence of a catalyst.

103) With CdS powder as photolysis catalyst, the oxidation of benzyl alcohol derivatives benzhydrol, benzyl alcohol, benzoin) were investigated.

104) Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso amyl alcohol in liquid phase.

105) Both sides of the membrane are coated with a layer of catalyst material, which differs somewhat from the material used in the Electrolyser.

106) Using function group B1, the couplant binds catalyst or carrier of catalyst; and using function group B2 the couplant binds ion macromolecules of proton conduction.

107) The coke deposited due to thiophene impenetrated into all the pores and some of them could form mechanical pore on catalyst surface.

108) Effects of temperature programmed sulfidation process on sulfidation of the catalyst was investigated after sulfidation.

109) And then, from the numerical simulation of foregoing models, we can obtain the key influencing factors on denitrification rate and the gas concentration distribution in the catalyst inside.

110) A new method related to the carbonylating synthesis of 3,5-dimethylbenzaldehyde was studied using o-xylene and CO as the raw materials and anhydrous AlCl3 as the catalyst.

111) After deactivation due to coking, catalyst could be regenerated by in-situ regeneration so as to reduce producing cost.

112) Polyethylene glycol monomethyl ether(PGME) fatty arid esters were Preped fain methyl fatty acid ester and PGME in the presence of sodium methoxide as catalyst.

113) The effects of catalyst preparation conditions and reaction parameters on the performance of the catalyst for the benzene benzylation with benzyl chloride were investigated.

114) The catalyst bed requires periodic regeneration with a stream of hydrogen diluted in hot nitrogen.

115) This paper discusses the fundamentals and characteristics of catalytic combustion and the type of catalyst and approaches the way to apply the technology of catalytic combustion in cremator.

116) A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .

117) The invention discloses a supported SCR denitration catalyst of medium and low temperature flue gas and a preparation method and application thereof.

118) An alkaline electrochemical cell having an anode containing zinc and a cathode that includes a catalyst and an iodate is disclosed.

119) This is due to the chain transfer reaction between the active hydrogen and the active centers of the catalyst.

120) Diisopentyl maleate was synthesized from maleic anhydride and isopentanol using tungstosilicic acid as a catalyst.

121) The ammonia synthesis catalyst exhibited higher intensity and catalytic activity low temperature, and good thermal resistance.

122) The higher the hydrogen transfer activity of catalyst, the lower the FCC naphtha, and in the meanwhile, the coke yield increased and diesel yield decreased.

123) But cobalt and manganese bromide catalyst solution is more convenient for industrial application and its manufacturing cost is lower than others.

124) The individual chemical property of the element made it a good catalyst.

125) Flowing status of catalyst bed are guaranteed by adopting reaming air scattering plate and raw material sparger method decided according to the calculation of the pressure drop of reactor bed.

126) The asymmetric transformation of L-proline via formation of salt with (S)-tartaric acid was carried out by using butanal as a catalyst for epimerization in butanoic acid.

127) Under microwave irradiation, cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propanediol using HPW as catalyst.

128) Terpineol was conveniently prepared by a new type solid acid catalyst without pollution.

129) The invention also envisages a method for the preparation of a coloured polymer, the method comprising performing a polymerisation reaction in the presence of such a catalyst.

130) Disclosed is a curable composition which exhibits excellent curability while using a catalyst other than organic tin catalysts.

131) The invention discloses an octanol hydrorefining catalyst, which belongs to the field of hydrorefining catalytic materials.

132) Resablue experiments of the catalyst showed that heteropoly acid was promising catalyst n - buty lactate synthesis.

133) Dihexyl sebacate was synthesized from sebacic acid and n-hexanol alcohol with Sodium bisulfate as catalyst.

134) The catalyst could be used for many times without any treatment and no pollution to environment. Comparing with the normal catalysts,(http:///catalyst.html) the nanosolid superacid catalyst had obvious advantages.

135) Complexation with metal elements, it can also be used as sensitizer of fluorescence materials and catalyst of organic oxidation reaction. As a result of that, it attracts more and more attention now.

136) The effect of acid and alcohol mole ratio, the amount of vitamin C catalyst and reaction time on the yield of Nipagin esters was investigated.

137) The wolf market may be here to stay, at least until the economic recovery accelerates or another catalyst prompts the market to find footing.

138) Finishing bath by the above - mentioned synthetic resin, catalyst and softening agents.

139) The fluorination yield reached 81.2% when calixarene was chosen as phase transfer catalyst.

140) In the circulation process, a part of the heat wind heated by the heater flows into the vent-pipe and passes through the catalyst unit.

141) In this paper, 2,2-dimethylolbutyraldehyde was synthesized through the acetal reaction of formaldehyde and butyraldehyde, using silicotungstic acid as catalyst.

142) It had been found that ammonium ferric sulfate dodecahyrate was superior to sulfuric acid when used as catalyst for esterification of isoamyl alcohol and hexanoic acid.

143) During the CO2 gasification reaction process, due to less sulfur content gas generated, the iron element in the catalyst would have certain catalyst effect to CO2 gasification of the semi-coke.

144) The Mass transfer rate for the Oxidation of xylol in air by a monolithic Catalyst was experimentally determined.

145) The invention involves a load palladium amorphous alloy catalyst used for nitrophenol hydrogenation and preparation method and belongs to catalyst technology field.

146) With potassium fluoride as catalyst, spironolactone compound was synthesized from DDSA.

147) FH - 40 C light fraction hydrofining catalyst is developed by Fushun Research Institute of Petroleum and Petrochemicals ( FRIPP ).

148) A new method to synthesize sodium dioleyl sulfosuccinate by esterification and sulfonation without adding any extra phase catalyst in nitrogen atmosphere was developed.

149) It is found that if the hydrocracking catalyst and the hydrorefining catalyst are used in ratio of 1:1, both high coal conversion and oil yield can be obtained, and the hydrogen consumption is low.

150) The catalyst auto - continuous addition was realized by using the CENTUM sequence control function.

151) Amount of basic sites on catalyst surface was measured by CO2-TPD.

152) The Catalyst that is suitable for Shenhua coal liquification was found out through experiment study.

153) At last , it titrates with ferrous ammonium sulfate, using the sodium diphenylamine sulfonate as a catalyst.

154) The main source of benzene in the presence of a catalyst oxidation to form maleic acid, and then derived by isomerization.

155) It was found that mercury chloride disperses to form a monolayer on the surface of active carbon whether the catalyst is new or not.

156) The effect of the pore volume and area of hydrotreating catalyst on its activity was studied.

157) A substrate for the growth of a carbon nanotube having a catalyst layer microparticulated by using an arc plasma gun.

158) The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.

159) A new type catalyst was prepared and applied to the oxidative esterification reaction of methacrolein (MAL) to methyl methacrylate (MMA).

160) Unlike most antibiotics which are consumed while destroying bacteria, silver remains unconsumed while constantly working as a catalyst. Thus a permanent solution.

161) The result indicates that temperature at the inlet of catalyst bed is the most optimal control parameter to realize the optimal operation of ammonia converter.

162) SP88 Standard for Batch Control is introduced for a generic catalyst production line of a Petrochemical Corporation. The configuration of the system hardware and software is given.

163) The tests also indicate the high dispersivity of metallic composition and long life of catalyst,(http:///catalyst.html) thus suggest the presence of the weak interaction between metal and D3520(adsorption resin).

164) In this paper the hydrocracking kinetics for n - decane is studied employing hydrocracking catalyst 3824.

165) Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.

166) Removal rates of COD from the acid black 10B dye simulated wastewater in different conditions of magnetic-assisted reaction time, intensity of magnetic field, catalyst oxidation were studied.

167) Six carboxyl acids DEMB was produced with Michael Reaction using triethylamine as alkaline catalyst and solvent, malonic acid and itaconic acid as raw materials.

168) The catalyst was characterized by XRD, XPS and IR techniques in order to study the stability and anti-sulfur ability on the processing of the 200 h HDS of thiophene and strengthening sulfurization.

169) Modified silicone with long chain acylate is synthesized by hydrosilation of PHMS and lauryl acrylate using chloroplatinic acid as the catalyst.

170) Chapter three: various of 1,4-dihydropyridines were obtained by the reaction of aldehydes, ethyl acetoacetate or acetylacetone, ammonium acetate using PEG-400 as reaction medium without catalyst.

171) Synthetic method of butyl butyrate was investigated using silicotungstic acid catalyst absorbed on activated carbon.

172) Presents the water washing of methanation catalyst used in ammonia plant of Daqing chemical fertilizer plant.

173) Dodecyl acrylate is prepared from acrylic acid and dodecanol in the presence of catalyst.

174) With heteropoly acids as catalyst, diisooctyl glutarate was prepared by esterification of isooctyl alcohol and glutaric acid separated from dicarboxylic acids.

175) After the cracking reaction in downflow reactor, reaction products are separated and spent catalyst is directed to stripping and regeneration sections.

176) With its low coke yield characteristics, CC-16 catalyst allows blending much more residue in feed and gains numerous benefit for the refinery.

177) The activity of the catalyst used for the synthesis of Chalcoues in the cross - coupling reaction of tributylaromatic tin and substituted cinnamoyl chlorides was investigated.

178) Benzoyl chloride and ethyl acetoacetate react and hydrolyze in the presence of a catalyst to synthesize ethyl benzoylacltete, yielding 60%, with a purity of more than 98%.

179) The carbon deposit of hydrodealkylation catalyst was analyzed and the deactivation reason of hydrodealkylation catalyst was investigated.

180) The recent progress in the immobilization of non - metallocene olefin polymerization catalyst is reviewed.

181) We have prepared several complex catalyst of stannous chloride and rare earth chloride to replace mercuric chloride and examined their catalytic activity for the synthesis of vinyl chloride.

182) In aminating reaction of ethyl N-(2, 4-dimethylphenyl) formimidate some reagents are first used as catalyst and a better one is sifted out from many catalysts.

183) Macrocyclic polyamine metal complexes as enzyme models are widely used in molecular recognition, catalyst, fluorescent probe, self-assembling.

184) Activated carbon as the sorbent and catalyst support was capsulated with ethyl cellulose by phase separation methods.

185) External catalyst cooler is located between hot oil pump room, regenerator and catalyst tank, very difficult to be hoisted.

186) The catalyst was tested on a small scale hydrocracking apparatus.

187) The results obtained show that pillared rare earth catalyst has higher catalytic activities and narrow molecular weight distribution, and does not corrode metal, which makes it environmental friendly.

188) The diisobutyl dicarboxylate was prepared by using acid and isobutanol as material and acid as catalyst.

189) The method removes impurities by synthesis process and self-reduction process of the catalyst and realizes metallization of the active component and high dispersion.

190) Acid treatment of catalyst enhanced isobutene conversion of MTBE reaction.

191) The influence factors esterification reaction, such catalyst amount , acid alcohol mole ration, reaction time were investigated.

192) The etherification activity of the deactivated E-01 catalyst can be completely recovered by coke-burning regeneration.

193) In this paper(http://), the methyl cinnamate was synthesized from cinnamate acid and methanol by using strongly acidic ion exchange resin as catalyst.

194) Methyl 1 phenyl Propanone was synthesized with benzene and iso butyryl chloride by using anhydrous aluminium trichloride as catalyst.

195) Synthesis of methyl formate (MF) by carbonylation of methanol with only sodium methoxide as catalyst exists some shortages, such as low activity, rapid loss of activity and short catalyst life.

196) The invention discloses a kind of catalyst distillation module and uses this module the catalyst distillation method.

197) ' secondly, there is growing intra - regional trade among Asian countries, with China as a principal catalyst. ".

198) N-octyl bromide was synthesized by hydrobromic method in which took n-octanol and industrial waste hydrobromic acid(48%) as materials, concentrated sulfuric acid as a catalyst.

199) Refining lubricating base oil using FCC used catalyst mixing with clay was studied. The conclusion is confirmable. It can give a reference basis to production and application.

200) Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.

201) In this paper , acetalization of 3 - bromo - propanal and 2 - alkyl - 1,3 - propanediol by using p - toluenesulfonic acid monohydrate (Ts OH) as catalyst was studied .

202) This paper deals with the kinetics of the reactions of synthesizing adiponitrile from gaseous ammonia and molten liquid adipic acid with phosphoric acid as catalyst.

203) Metallocene catalyst is a new kind of catalyst having homogeneous-site, molecule tailing capability and controlled structure. It can be used to synthesize special function polyolefine.

204) We should also choose a catalyst that is resistant to attrition and breakage.

205) In this paper, potassium chlorate is researched aboutthermo - dissociation by thermogravimetry ( TG ) on condition without or with catalyst.

206) The route for synthesizing the prepolymer based on toluene diisocyanate(TDI), trimethylol propane(TMP) and 1,4 butanediol(1,4 BD) in presence of catalyst has been described .

207) Coke deactivation of alkylation catalyst exhibited independent deactivation mechanism basically in supercritical phase.

208) The reaction of benzotrichloride and chloroacetic acid to form chloroacetyl chloride and benzoyl chloride in the presence of catalyst was studied.

209) Ordered mesoporous carbon was successfully prepared using siliceous MCM-48 as template, p-toluenesulfonic acid (PTSA) as catalyst, and furfuryl alcohol as carbon source.

210) The catalyst pretreatment method ensures that the outlet pressure of the catalyst feed pump is remarkably lower, and catalyst feed is stable without blocking.

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%.

241) In fact, penny-pinching is actually one common catalyst of divorce.

242) Then - butyl hydroxyethanoate was synthesized by cation exchange resin as catalyst.