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- A modified Raney Ni catalyst is developed to make citronellol from citronellal by hydrogenation in a lower pressure. 研制了适用于香茅醛在较低压力下选择加氢制备香茅醇的改性骨架镍催化剂，香茅醛的转化率达99。
- The hydrogenation reaction of acetonitrile catalyzed by Ti modified raney Ni catalyst to prepare ethylamine in liquid phase was studied. 以水合肼和硼氢化钾为共还原剂制备了多元合金催化剂,将其用于乙腈催化加氢反应制乙胺。
- Keywords modified Raney Ni catalyst;benzonitrile;liquid catalytic hydrogenation;benzylamine; 改性骨架镍催化剂;苯甲腈;液相催化加氢;苄胺;
- modified Raney Ni 改性骨架镍
- The bed internal diameter is 10mm,packed with catalyst pellets of shell activated Raney Ni average diameter 0 47 and 0 67mm. Raney－Ni颗粒催化剂表层活化，床层内径10mm。 对平均粒径0.;47mm及0
- Aminopropanol was prepared by catalytic hydrogenation of ethylene cyanohydrin with improved Raney Ni catalyst in presence of ammonia. 在氨存在下,使用改进的雷尼镍催化剂,由羟丙腈加氢合成了3-氨基丙醇。
- By controlling reaction condition in different steps and hydrogenated with Raney Ni,most of components were converted into industrial grade p-menthane without purification. 实施分阶段控制反应条件，用雷尼镍催化，使大多数组分均加氢成对孟烷，无需提纯，即达到工业级的要求。
- Meng Q,Wu Y D,Wan Y,et al.Preparation of Raney Ni by ultrasonic wave and its catalytic activity in benzene hydrogenation[J].Chinese Journal of Catalysis,2004,25(7):529-532. [4]孟琦;吴跃东;万颖;等.;用超声波技术术制备的Raney Ni催化剂及其催化加氢活性[J]
- Abstract: The reasons why the Raney Ni catalyst loses it"s a ctivity system matically.The method of regenerating the disac tivity catalyst according to catalytic principle is described.It was used in sorbitol production plant,and the effect was good. 文摘:对山梨醇用雷尼镍催化剂的失活原因进行了系统分析，根据催化原理找出了失活催化剂的再生方法，经催化剂活性检测及实际应用表明效果较好，值得有关厂家参考使用。
- Abstract Chiral modified Raney nickel catalysts are one kind of the most promising catalysts for the asymmetric hydrogenation with high optical activity and good enantioselectivity. 摘 要 手性修饰阮内镍催化剂在多相不对称氢化中表现出了优异的催化性能，是目前合成手性化合物最具有工业化前景的催化体系之一。
- Keywords sorbitol;Raney Ni;catalyst;regeneration; 山梨醇;雷尼镍;催化剂;再生;
- Keywords citronellal;selective hydrogenation;citronellol;Raney Ni catalyst; 香茅醛;选择加氢;香茅醇;改性骨架镍催化剂;
- Keywords hydrogen peroxide;o-cresol;Raney Ni;2-methylcyclohexyl acetate; 过氧化氢;邻甲酚;兰尼镍;醋酸邻甲基环己酯;
- Keywords Raney Ni;rapidly quenched alloy;thermal stability;skeleton; 猝冷合金;热稳定性;骨架;
- The car has been modified for racing. 这辆汽车已改装为赛车。
- Synthesis of Glycine by Catalytic Dehydrogenation of Monoethanolamine with Modified Raney Copper 催化一乙醇胺脱氢合成甘氨酸
- The machine has been extensively modified. 这机器已被大规模地改造过。
- Keywords Enantioselective hydrogenation;Raney Ni;Chirality;Modification;Ultrasonic processing; 不对称氢化;兰尼镍;手征性;改性;超声处理;
- A word that may be modified by an adjunct. 可以被一个修饰语修饰的词
- 3-Aminopropanol was prepared by catalytic hydrogenation of ethylene cyanohydrin with improved Raney Ni catalyst in presence of ammonia. 在氨存在下,使用改进的雷尼镍催化剂,由羟丙腈加氢合成了3-氨基丙醇。
