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31, The main technical challenge UOP′s two-stage hydrogenation technology needs to resolve is that strong exothermic reaction will result in too high temperatures on the catalyst bed.

32, The residual ebullated bed hydrogenation technique commonly used abroad has a good potential in processing sour crude oil and metal-bearing crude.

33, In this dissertation, Ir-catalyzed asymmetric hydrogenation of quinoline derivatives, pyridine derivatives and exocyclic enamines have been studied.

34, The catalytic properties of these catalysts in hydrogenation of diacetone alcohol and their electric catalytic properties as a fuel cell electrode were studied.

35, In the process of hydrogenation Our main problem is not to determine the reaction end point, may I ask you about the way to judge a good finish without excessive hydrogenation Triacontanol arising.

36, We are now mainly intermittent hydrogenation, hydrogenation of now there are small workshops alcohol dehydrogenase of hydrogenation and the hydrogenation of linalool.

37, The principles, the methods of the technology of non-noble metal hydrogenation catalysts' sulfurization, and the choice of vulcanizing agent were summarized.

38, A new Ni-supported catalyst for the hydrogenation of furfural alcohol(FA)to tetrafurfuralalcohol(THFA)was developed, and the related experimental studies were carried out.

39, Diethyl 1, 2 - DEE was synthesized in catalytic hydrogenation from diethyl phthalate as raw material.

40, Hydrogenation activity, heat resistance, anti poisoning ability for benzene hydrogenation were determined in a microreactor GC system.

41, The sulfur tolerance of nickel metal catalysts in aromatic hydrogenation has been studied systematically on the base of nickel active unit in this paper.

42, The present invention relates to selective hydrogenation process of methyl methoxybenzoate to synthesize anisic aldehyde,(http://sentencedict.com/hydrogenation.html) and belongs to the field of fine chemical catalysis technology.

43, CO hydrogenation catalyzed in heterogeneous system by supported bimetallic cluster has been studied in the light of the effect of reaction temperature, time and support.

44, In this dissertation, Ir-catalyzed asymmetric hydrogenation, asymmetric transfer hydrogenation and asymmetric hydrosilylation of quinoline derivatives have been studied.

45, The new research progress in synthesis ofp aminophenol reduction , catalytic hydrogenation reductionreduction from nitrobenzene was reviewed.

46, The situation of the improving hydrogenation catalyst for alkyne series in recent over 10 years in France petroleum institute was summarized.

47, A new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

48, Hydrogenation of naphthalene and tetralin can be improved by the high pressure employed.

49, Application of soldered finned tube to convection section of high hydrogenation heater in refinery is proved to be safe and reliable through industrial practice.

50, Numerous applications of two phase catalysis to hydroformylation[sentencedict.com], hydrogenation and other organic reactions are also described.

51, The hydrogenation process has the more advantages on environment protection than iron powder method, and has better quality.

52, The development and research of several catalysts for selective hydrogenation of phenylacetylene (PA) are introduced in details.

53, It was suggested that normal pressure hydrogenation of acetone, an one-step process, be used, plant for production of MIBK be constructed as soon as possible, to meet the increasing need of MIBK.

54, SEBS possesses better properties than SBS due to selective hydrogenation of the unsaturated carbon-carbon double bonds in the molecular chain of SBS.

55, The invention discloses a catalyst carrier for coal liquification oil hydrogenation on boiling bed and the preparation method.

56, The results indicated that the high dispersive method can enhance the activity of the catalyst for hydrogenation and the ability to inhibit coke formation.

57, Nanosized nickel based catalysts can be used to carry out the hydrogenation of styrol and benzophenone at normal temperature and pressure.

58, Diethyl 1, 2 - cyclohexanedicarboxylate ( DEE ) was synthesized in catalytic hydrogenation from diethyl phthalate as raw material.

59, The activation energy of titanium-tritium is obviously higher than that of titanium hydrogenation and deuteration from comparing with the reported data.

60, Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied.