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- a urum supported catalyst 载金催化剂
- The growth of CNTS(carbon nanotubes) by catalytically cracking ethylene in the presence of the supported catalyst doped with rare earth samaria is reported. 稀土催化剂是一种稳定性好、选择性高、很活泼的催化剂;在石油的催化裂解方面得到了广泛的应用.
- Some W/O microemulsions are studied.A supported catalyst used in fatty alcohol amination is prepared with these microemulsions. 利用W/O型的微乳液,制成脂肪醇胺化的负载型催化剂。
- The vapour phase ortho-selective alkylation of phenol with methanol was investigated over spine1-type cobalt chromite catalyst with K as the supported catalyst. 摘要研究了具有尖晶石结构的铬酸钴及负载钾的铬酸钴催化剂上苯酚和甲醇气相邻位烷基化反应。
- Therefore, the Rh-phosphine complex-inorganic layered material in this work provides a potential candidate for exploitation of supported catalyst for hydroformylation. 本文针对烯烃氢甲酰化反应做了有益的探索,揭示出LDHs作为烯烃氢甲酰化催化剂载体改善催化性能的潜在应用前景,也为LDHs在多相催化体系中的应用提供了新的研究思路。
- The experiment results show that under reaction temperature 80 C and reaction pressure 3.0 MPa, the reaction conversion is nearly 100% and the yield is beyond 90.0% with Ni-Co/C double metal supported catalyst. 实验表明,在温度110℃,压力3.;0MPa下,采用Ni-Co/C催化剂进行的加氢催化反应,原料转化率近于100%25,产物收率在90%25以上。
- The supported catalyst P1 was prepared with hydrazine hydrate and potassium borohydride as(co-reducers) in a mixed solvent consisting of methanol,ethanol and water in a proper proportion. 采用水合肼和硼氢化钾为共还原剂,适当比例的甲醇、乙醇和水的混合物为溶剂,制备得到负载催化剂P1。
- The copolymers prepared by solution polymerization in THF or dioxane were better supporter for the synthesis of highly active supported catalyst. 在溶剂THF或二氧六环的存在下制得的苯乙烯-丙烯酸共聚物最适宜于合成高活性的载体钕络合物。
- Liquid phase ammoxidation of p-tert-butyltoluene(PTT) to p-tert-butylbenzonitrile(PTBN)without solvent had been investigated in presence of a mixed oxides supported catalyst prepared by impregnation. 采用负载型金属复合氧化物催化剂,对气相氨氧化反应条件下不稳定的对叔丁基甲苯进行了液相氨氧化反应研究。
- There is a vein of melancholy in his character. 他的性格中有少许忧郁的气质。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗热鸡汤对你有好处。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- A fire was burning in the grate. 火在壁炉中燃烧着。
- They cleaved a path through the wilderness. 他们在荒原中开辟出一条路。
- They denounced him to the police as a criminal. 他们向警方告发他是罪犯。
- This place doesn't have a very savory reputation. 这个地方的名声可不太好。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。