Nghĩa của từ hydrogenation bằng Tiếng Sec

hydrogenation <n.> hydrogenace Entry edited by: B2

Đặt câu có từ "hydrogenation"

1. Hydrogenation of acetylene

2. Asymmetric hydrogenation catalyst

3. Catalytic Hydrogenation of Alkynes

4. Hydrogenation of β-Acylamido Acrylates

5. Catalytic hydrogenation, is it protic or aprotic?

6. Enantiotech Bimah Ru BINAP Catalyst Kit for Asymmetric Hydrogenation: 96-3710 Enantiotech Bimah Ru Tol-BINAP Catalyst Kit for Asymmetric Hydrogenation

7. Process for preparing diaminotoluene by multistage adiabatic hydrogenation

8. Encapsulated hydrogenation catalysts with controlled dispersion and activity

9. Enantiotech Bimah Ligand Kit for Asymmetric Hydrogenation: 96-3705

10. Kinetics and mechanism of olefin hydrogenation by supported pentamethylcyclopentadienyl Actinide complexes

11. Hydrogen is an important feedstock used in petrochemical enterprises ? ? hydrogenation process.

12. By avoiding hydrogenation, trans and saturate fatty acid levels are not increased.

13. Key words: adsorption isotherm, electrocatalytic hydrogenation (ECH), cyclohexanone, aluminum oxide – hydroxide powders.

14. If hydrogenation is incomplete (partial hardening), the relatively high temperatures used in the hydrogenation process tend to flip some of the carbon-carbon double bonds into the "trans" form.

15. Nitriles are converted to primary amines by catalytic hydrogenation in acetic acid.

16. The pyrolysis and hydrogenation are conducted in a current of hydrogen containing ammonia, and the ammonium halides formed are collected in an absorption tube attached to the hydrogenation tube.

17. Disclosed are catalysts comprising copper chromite, palladium and lanthanum having hydrogenation activity.

18. The present invention relates to an amorphous alloy hydrogenation catalyst and its preparation.

19. Exciting results were also observed in the hydrogenation of β-Acylamido acrylates (Table 2)

20. The preparation of HFC - 32 by catalytic hydrogenation of CFC - 12 was explored.

21. It is used as a catalyst in reactions such as alkylation, dealkylation, hydrogenation and oxidation.

22. Optimized metering of reactants for a process for preparing aromatic amines by hydrogenation of nitroaromatics

23. The hydrogenation of 2-methylquinoxaline is a model system for the reduction of folic acid.

24. A new series of commercially proven alumina Catalysts is now available with new performance features that can benefit selective hydrogenation applications such as first stage PYGAS or selective hydrogenation of dienes in C4 olefin streams.

25. The integrated process increases the overall catalytic activity and hydrogenation capability to produce superior distillate products.

26. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols.

27. Pt or Ni metal kept in contact with a gas Adsorbs the gas - Hydrogenation of oils

28. Process for the preparation of high activity carbon monoxide hydrogenation catalysts; the catalyst compositions, and their use

29. Hydrogenation of lactone 6 produces allo lactone 14 whose further reduction with lithium aluminum hydride gives diol 15.

30. Adipocere, "grave wax," is a waxy or greasy decomposition product formed by hydrolysis and hydrogenation of tissue fats

31. Catalyst for selective hydrogenation of acetylene compounds in 1,3-butadiene, method for producing the same and method of using the same

32. 18 Evonik Degussa carries out hydrogenation of rich gas and then processes it as part of a pressure-swing adsorption process.

33. The device was used to determine heats (enthalpies) of solution of several homologous, linear alkanes in glacial acetic acid so as to provide correction factors to convert heats of hydrogenation determined in acetic acid into heats of hydrogenation of the pure liquid alkene to the liquid alkane.

34. It can be used as catalysts for acylation, alkylation, dimerization, oligomerization, polymerization, hydrogenation, dehydrogenation, aromatization, isomerization, hydrotreating, catalytic cracking and hydrocracking reactions.

35. Nanometer-sized copper-based catalyst, production method thereof, and alcohol production method using the same through direct hydrogenation of carboxylic acid

36. Especially, the ionic iridium complex of the phosphine oxazoline ligand obtains excellent reactional activity and enantioselectivity in the asymmetric hydrogenation of imine and olefin.

37. 24 A multi-metal alloy catalyst for hydrogenation of acetonitrile to ethylamine was prepared using hydrazine hydrate and potassium borohydride as the co- reductant .

38. Homogeneous catalytic hydrogenation was not successful, but samarium diiodide did effectively and selectively cleave one of the N—O bonds in a number of nitroso acetals.

39. For instance, the reactions with (E)- and (Z)-crotylboronates afforded the corresponding anti- and syn-crotylated products (isoleucine and alloisoleucine after hydrogenation) with high diastereoselectivity, respectively.

40. Putrescine and Cadaverine were first described in 1885 by the Berlin physician Ludwig Brieger (1849–1919). Putrescine is produced on an industrial scale by hydrogenation of succinonitrile

41. MAPP was discontinued by Dow as a marketed product and hydrogenation of the C4 and C3 Acetylenes (even at the cost of some product losses) became the standard.

42. The hydrogenation is used to convert the contaminants to hydrogen sulfide and ammonia, which in this form are easy to separate from the other components of the liquid inflow.

43. Cottonseed, seed of the cotton plant, important commercially for its oil and other products. Cottonseed oil is used in salad and cooking oils and, after hydrogenation, in shortenings and margarine

44. Sigma-Aldrich offers a market-leading range of innovative Catalysts and ligands, metal and ligand precursors, and inorganic complexes for fundamental processes such as cross-coupling, hydrogenation, and oxidation/reduction.

45. Several types of model compounds were subjected to some common reactions: acetylation, saponification, oxidation, reduction, hydrogenation, bromination, nitration, esterification, etherification, mineral acid treatment, chloride formation, acetonide formation and 2,4-dinitrophenylhydrazone formation.

46. In order to increase the resource efficiency of the acetophenone hydrogenation unit in the SMPO production process, BAT is to minimise excess hydrogen or to recycle hydrogen by using BAT 8a.

47. Interstellar Medium, Astrochemistry, Time Dependent, Production Rate New Rate Constants of Hydrogenation on Interstellar Grains and their Astrophysical Implications For the gas-grain chemical models the surface reactions and their rate constants are …

48. The ordered cobalt-aluminum and iron-aluminum intermetallic compounds proved to be highly selective and long-term stable catalysts, e.g. in the selective hydrogenation of acetylene to ethylene in a large excess of ethylene.

49. A method for the absorption of alkynes and diolefins from an ethylene or propylene containing stream with conversion to alkenes by catalytic hydrogenation in a solvent over a fixed bed comprising a supported catalyst.

50. A Resol‐Assisted Cationic Coordinative Co‐assembly Approach to Mesoporous ABO3 Perovskite Oxides with Rich Oxygen Vacancy for Enhanced Hydrogenation of Furfural to Furfuryl Alcohol - Zheng - - Angewandte Chemie International Edition - Wiley Online Library Angewandte Chemie International Edition