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61, Formation influencing factors are carbon, chlorine, temperature, catalytic agents, oxygen et al.

62, The actual application of the catalytic fluorimetry in the determination of the inorganic substance, organic substance and enzyme, etc. was introduced.

63, The technologies for synthesis ofp-nitroanisole by using the triphase catalytic method, and synthesis ofp methoxyaniline by use of reduction of synthesized p-nitroanisole were studied.

64, This paper summarizes the types of hydrogen-producing microbes, the research on biohydrogen metabolism and the catalytic mechanism of hydrogenase , and brings forward the prospect.

65, Furthermore, two synthesising routes are compared and the research of catalytic aromatization of isophorone is summarized in this paper.

66, This method triumphantly decreased the usage of noble metal and enhanced the catalytic activity, which could replace the traditional chemical plating activation pretreatment.

67, The air guards the catalytic converter from overload and possible resulting damage.

68, 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.

69, To more understand the catalytic mechanism and to prepare for the future megascopic experiments, kinetics of methylolation had been studied, either.

70, A home made catalytic additive and DS silver tarnishing prevention agent have been used in a new silver electroplating technology.

71, Especially by the TS-1 modified with trimethylchlorosilane, much higher catalytic activity was achieved than by parent TS-1 zeolite in the phase-boundary catalysis.

72, India' s policy and actions promotes and accelerates the emergence of Bangla Desh, so India playes an catalytic role in the course of the disunion of Pakistan.

73, A mathematical model was established to simulate the light - off performance of a catalytic converter.

74, When catalytic converters were developed, the petroleum industry had to make gasoline lead - free.

75, A mathematical model was established to simulate the light-off performance of a catalytic converter. Simulation results and the experimental values are agreed well.

76, By means of analysis on ignition fail reason of auxiliary combustion chamber for catalytic cracking unit, the unreasonable place existed in igniter was found, and improvement plan was given.

77, Catalyst is the key part of selective catalytic reduction(SCR) system, and its catalytic behavior directly affects the efficiency and economics of NOx reduction.

78, A new method for the determination of trace lead by adsorptive catalytic voltammetry has been established.

79, Catalytic transfer hydrogenation (CTH) is an effective reduction method, which conducts at a mild reaction condition and with simple facilities comparing to common catalytic hydrogenation.

79, Wish you can benefit from our online sentence dictionary and make progress day by day!

80, L-Asp6-Ibuprofen was prepared by mixture anhydrides methods and DCC/HOBt methods. The benzyl group of the product was deprotected by catalytic hydrogenation.

81, Effecrts of calcium modified ZSM-5 zeolites and reaction conditions on the catalytic activity and selectivity of toluene ethylation have been studied.

82, The synthesis ofp phthalaldehyde from p xylene by chlorination and catalytic oxidation was studied. The total yield was over 89%, the purity of the product was over 99%.

83, The proposed system has been successfully applied to a large production scale catalytic cracker.

84, The results show that the catalytic efficiency of complicated catalyst of tin( II) chloride dihydrate andp -toluene-sulfonic acid is higher than that of the others.

85, The preparation methods of C9 petroleum resin, including thermal polymerization, catalytic polymerization, radical polymerization were summarized and compared.

86, The factors influencing coking within resid fluid catalytic cracking ( RFCC ) disengagers and the mechanism are analyzed.

87, The measurement of catalytic surface area has been, is, and will continue to demand considerable research.

88, A new process has been developed to synthesize p-aminophenol methyl ether from p-nitrophenol methyl ether by catalytic hydrogenation, using ammonia synthesis gas instead of pure hydrogen.

89, The dominant reaction pathways and the effect of reaction temperature and type of zeolites on the yield and selectivity of benzene formed during catalytic cracking of cumene were investigated.

90, The Fluid Catalytic Cracking ( FCC ) is the major gasoline - producing process in refinery.