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- The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel. 雕像的实体用铜制成,由爱斐尔特制的金属架支撑着。
- The actual figure was made of copper supported By a metal framework which had Been especiallyconstructed By Eiffel. 雕像的实体用铜制成,由爱斐尔特制的金属架支撑着。
- 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。
- Bomb-The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel. 这座雕像的主体是用铜制成的,由艾菲尔特制的金属框架支撑着。
- 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。
- Keywords copper;silica;supported catalyst;aniline;1-propanol;N-propyl aniline; 铜;二氧化硅;负载型催化剂;苯胺;正丙醇;N-丙基苯胺;
- 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 chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- 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;
- 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。
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- As a kind of supported catalyst, the supports of ruthenium-based ammonia synthesis catalysts have a direct effect on the activity of the catalysts. 钌基氨合成催化剂作为一种负载型催化剂,载体对催化剂活性有直接影响。