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- The addition of sulfur depressed the hydrogenating reaction, but greatly promoted the hydrocracking reaction of DNM. 加入硫显著阻碍了加氢反应，却大大促进了加氢裂解反应。
- The SEM morphology showed that hydrogen reaction was found during the process of nickel plating. SEM分析表明，化学镀镍过程中伴有吸氢反应。
- METHODS(9S)-Erythromycylamine was synthesized from Erythromycin through nucleophilic addtion,diazotization and hydrogenation reactions. 方法以红霉素为原料,经亲核加成、重氮化、氢化三步合成(9S)-红霉胺。
- Base on element and lithofacies analysis of coals, it was discussed that the relationship the kind of coal with productivity of hydrogenation reaction. 在煤的工业分析、元素分析和煤岩显微组分含量分析的基础上，简要讨论了原料煤对煤液化的影响。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Base on element and lithofacies analysis of coals, it was discusaed that the relationship the kind of coal with productivity of hydrogenation reaction. 在煤的工业分析、元素分析和煤岩相显微组分含量分析的基础上，简要讨论了原料煤对煤液化的影响。
- The experimental results indicated that hexamethylphosphoramide (HMPA ) as additive had good performance in hydrogenation reaction. 结果表明,六甲基磷酰三胺(HMPA)是一种较好的添加剂。
- After the air preheater system of hydrogenated reaction furnace changes into heat tube preheater,the heat efficiency of furnace increases about 3%. 加氢反应炉空气预热系统改用热管预热器后,炉子热效率提高了约3%25。
- Base on element and lithofacies analysis of coals,it was discussed that the relationship the kind of coal with productivity of hydrogenation reaction. 在煤的工业分析、元素分析和煤岩相显微组分含量分析的基础上,简要讨论了原料煤对煤液化的影响。
- 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。
- Then compound 5 reacted with 8 through coupling and hydrogenation reaction,followed by deprotection to afford the target compound. 以苯基丁醇为起始原料,经过3步反应得到脂肪醛8;
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- A new inequilateral organic polyamine,2-aminoethyl-bi(3-aminopropyl)amine,was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile. 利用氨基乙腈及丙烯腈的亲核加成、氢化反应合成了一种新的不等臂有机多胺化合物2-氨基乙基-二(3-氨基丙基)胺。
- Based on Freeman-Carrol method, the kinetic parameters of the hydrogenation reactions for Xiaolongtan coal using Fe_2O_3, FeS, red mud from a steel factory,pre-vulcanized red mud from a steel factory are used as catalysts. 根据Freeman-Carrol法计算了Fe_2O_3、FeS太钢转炉飞灰、予硫化后的太铁转炉飞灰作催化剂时小龙潭煤加氢反应的动力学参数。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗？
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- A reactor is a container for chemical reaction. 反应器是进行化学反应的容器。
- The advance of chiral phosphate-ester (phosphonate-ester) [phosphoramides (phosphonyl-amide)] in asymmetric alkylation reaction, Aldol reaction, hydrogenation reaction, cyanosilylation reaction was reviewed with 48 references. 讨论了手性膦(磷)酰胺及膦(磷)酯酯催化剂在不对称烷基化、不对称缩合、不对称氢化、不对称氰矽化等反应中应用的最新研究进展。参考文献48篇。
- I'm displeased at your reaction. 我对你的反应很不满意。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
