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- Spent supported catalyst 失效催化剂
- 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。
- Why should our good taxpayers'money be spent supporting brutes who would be better dead? 我们干吗得把这些尊遵纪守法的纳税良民所缴纳款用来供养这些禽兽呢?这些畜生还不如死掉了的好。
- 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。
- She spent an hour in quiet contemplation. 她静静地沉思了一个小时。
- The trillions of dollars spent supporting farmers in rich countries have led to higher taxes, worse food, intensively farmed monocultures, overproduction and world prices that wreck the lives of poor farmers in the emerging markets. 用以资助发达国家农场主的补贴数以万亿计,由此而来的是更高的税收,更糟糕的食物,高密度单一栽培,过剩的产量和极低的价格,这严重损害了新兴市场国家贫困农业人口利益。
- They spent their lives in servitude. 他们在奴役下生活。
- A series of CeO 2 modified Pd/NaZSM 5 supported catalysts has been prepared by impregnation method. 以浸渍法制备了一系列添加CeO2 的Pd Ce/NaZSM 5负载型催化剂 .
- The boys spent the night under canvas. 孩子们在帐篷里过夜。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- As to supported catalysts La2-xSrxCuO4 for CO oxidation, a very high conversion of CO can be obtained under 300C, and a complete oxidation when 400C. 负载在莫来石上的La_(2-x)Sr_xCuO_4催化剂用于CO氧化时,在低于300℃的温度范围内都可以达到很高的CO转化率,在400℃都完全转化;
- I spent my early childhood in my hometown. 我在故乡度过了自己的孩提时代。
- The structure and reducibility of the supported catalysts were studied by X-ray diffraction(XRD) and temperature-programmed reduction(TPR) techniques. 采用XRD与TPR技术表征了催化剂的结构与还原性能。
- Money spent on business expenses is deductible. 业务方面的开支是可扣除税款的。