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Keywords C 2H 4;oxidation;AcOH;Pd catalyst; 乙烯;氧化;乙酸;钯催化剂;
The ethylene(C 2H 4)adsorbed on Ru(0001)surface has been studied by using thermal desorption spectroscopy(TDS). 用热脱附谱 (TDS)方法研究了乙烯 (C2 H4)在Ru(0 0 0 1)表面上的吸附 .
The rest, CO, CH 4 , CO 2 , C 2H 4 and CH 3OCH 3, are separated by the chromatographic column B of which CO and CO 2 are translated into CH 4, while all are finally detected with FID. 在串接的第 2个色谱柱中实现其它组分的分离 ;并将其中的CO和 CO2 在加氢转化柱上转化成甲烷 .;第 2色谱柱分离的组分用氢火焰离子化检测器测定
based on mass of carrier) is the best; the conversion of the C 2H 4 and the selectivity of AcOH could reach 4. 采用固定床流动装置考察了乙烯直接氧化制乙酸的新工艺,并对该过程的催化剂进行了研究开发。
In the circumstance of C 2H 4, the yield of dry gas, heavy oil and coke increased, but the yield of LPG and gasoline decreased, diesel fuel changed a little; 结果表明,在干气环境下催化裂化产品分布所受到的影响,与干气组成,尤其是干气中氢气和乙烯的含量有关:氢气环境下,干气、液化气、汽油和焦炭产率降低,柴油和重油的收率提高;
The stark effect in SRS of C 2H 2 has been investigated. 本文研究了 C2 H2 分子受激 Raman光谱 (SRS)中的光学斯塔克 (Stark)效应 ;同时还研究了激光功率以及单一转动态量子数 J与 Stark效应的关系 .
The effects of the raw materials in the Ti(OC 4H 9) 4 MAPS system, including Ti(OC 4H 9) 4, MAPS, C 2H 5OH, H 2O, on the rule of the change of the polytitanosiloxane sol gel have been investigated. 研究了 Ti(OC4H9) 4-MAPS体系中 Ti(OC4H9) 4、MAPS、C2 H5 OH、H2 O 4个原料组分对聚钛硅氧烷溶胶 -凝胶转变规律的影响。
DLC and fluorinated DLC were deposited by enclosed unbalanced magnetron sputtering using C 2H 2 as a reactive gas and C 2F 2 as a fluorine source gas. 使用非平衡磁控溅射方法，以C2H2为反应气，C2F2为氟化气沉积了含氟和不含氟的类金刚石（DLC）薄膜。
Bromoxynil octanoate was synthesized from bromoxynil,octanoic acid and thionyl chloride in the solvent using DMF and N(C 2H 5) 3 as catalysts by one step reaction. 以DMF、三乙胺为催化剂,在溶剂中,用辛酸直接合成了溴苯腈辛酸酯,实现由酸合成酯的一步反应。
Keywords C 3N 4;ultrahard thin film;MPCVD; 超硬薄膜;微波等离子体化学气相沉积;
In the course of cis copolymerization of butadiene(BD) with isoprene(IP) by using Nd(naph) 3 Al(C 2H 5) 3 ( t C 4H 9)Cl as catalyst in toluene, tert butylchloride or allyl chloride was added to give a soluble, gel free cyclized copolymer. 采用 Nd( naph) 3- Al( C2 H5) 3- ( t- C4 H9) Cl三组分稀土催化剂进行丁二烯 ( BD) -异戊二烯( IP)的顺式共聚合 ;在聚合过程中引入有机氯代烃 ( RCl) ;以与聚合液中的烷基铝作用生成阳离子活性种 ;引发已生成的共聚物的环化反应及单体的环聚反应 ;得到可溶性无凝胶且含有环聚成分的环化共聚合产物 .
As the sample of N 2H 4,MMH and UDMH mixture gas in air is collected by sampling tube for concentration MMH,the concentration of N 2H 4,MMH and UDMH is measured simultaneously by spectrophotometer. 介绍了用一甲肼浓缩采样管采集空气中三肼混合气体，用分光光度法分别测出肼、一甲肼和偏二甲肼各组分的含量。
Keywords C 3N 4;MPCVD;thin film deposition;ultrahard materials; 微波等离子体化学气相沉积法;薄膜沉积;超硬材料;
Isolation and Cloning of 17 Novel C 2H 2 Zinc Finger Gene Fragments 17个新的C2H2型锌指基因片段的分离与克隆
Keywords C Cr alloy furnace slag;cullet;glass ceramics; 碳铬渣;碎玻璃;微晶玻璃;
Keywords c fos;corticotropin releasing hormone;hypothamalus; 促肾上腺皮质激素释放激素;下丘脑;
Keywords C 1q Nephrotic syndrome Immunopathology Glucocorticoids; 肾病综合征;免疫病理;糖皮质激素;
Keywords C 1 chemistry;propylene;gasoline/diesel;synthesis; 碳一化学;丙烯;汽柴油;合成;
Keywords C terminal sequencing;MALDI TOF MS;carboxypeptidase Y; 端序列分析;飞行时间质谱;羧肽酶Y;
Keywords C Glycosides;Fast Atom Bombardment Mass;Linked scan; 关键词碳苷;快原子轰击质谱;联动扫描;