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- 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。
- 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。
- 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。
- 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;
- 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。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- 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。
- Since furfurol quality has an heavy effect on its hydrogenation reaction and furfurol quality of different factories differs largely, the paper also investigates the influence of CaO on furfurol hydrogenation . 由于糠醛原料的的质量严重影响着糠醛加氢反应的速率和选择性,而工业糠醛原料质量参差不齐,为确保改性铜铬催化剂在糠醇生产中的使用效果,本文还考察了不同氧化钙加入量对该加氢反应的影响,得出工业生产中适宜的氧化钙加入量;
- 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。
- Through additional reaction and catalyzed hydrogenation reaction by Raney-Ni catalyst, a novel N,N-bis (3-aminopropyl)-furanomethylamine was synthesized with furanomethylamine as a starting material. 摘要以呋喃甲胺为原料,通过与丙烯腈加成,再进行加氢还原制备了一种新型的多胺-N,N-二(3-氨丙基)-2-呋喃甲胺。