查询词典 catalysts

Cobalt and its compounds are used in electroplating and colouring ceramics and glass and as lamp filament s, catalysts, a trace element in fertilizers, and paint and varnish driers.

钴和它的化合物可应用在电镀，陶瓷器、玻璃的染色，制备催化剂、颜料和油漆的干燥剂，以及用作灯丝、肥料中的微量元素等等。

The flame is blown out in more flow velocity of air if the surface of blunt body is coated by catalysts, because the surface catalytic reform reaction enhances the flame stabilization.

在钝体稳定火焰实验台上，测量了不同工况下的火焰吹熄速度。

Development of solvents, phase-transfer catalysts and fluorides in synthetic reactions is reviewed.

卤素交换氟化反应是合成重要有机中间体含氟芳香族化合物的重要工业化方法。

The main reason for the deactivation is that the catalysts react directly with methyl formate produced to form alkali formates (sodium formate and potassium formate) and diemthyl ether.

导致催化剂活性降低的主要原因是甲醇钠可以直接与产物甲酸甲酯反应形成甲酸钠和二甲醚。

The evaluation methods for coke factor and gas factor of FCC equilibrium catalysts were discussed.

探讨了催化裂化平衡剂生焦因子和生氢因子的评价方法。

The influence of operation condition, metal content of equilibrium catalysts and properties of feed oil on coke factor and gas factor was investigated.

考察了操作条件、平衡剂金属含量以及原料油性能对生焦因子和生氢因子的影响规律。

But when the amount of catalysts is too large, the space time yield of methanol and the conversion of syngas gas will not increase at constant ratio.

同样的条件下，随着空速的增加，时空产率在增大，但气体的转化率在下降。

Sud-Chemie , a German-owned company whose Chinese headquarters is in Shanghai, has 600 workers in Louisville, producing catalysts used in oil refining, and working on fuel-cell research.

南基化学是一个德国公司，她在中国的总部设在上海。在路易维尔市她拥有600名员工，主要从事石油精练催化剂的制造，以及燃料电池的研究。

This thesis mainly focuses on the catalytic carbon-carbon bond formation using gold catalysts.

本论文主要是在研究金属金催化剂，催化环化碳-碳键生成的反应。

Some major results are listed as follows. In preparing gold catalysts supported on alumina or ceria and zirconia modified alumina by the direct anion exchange method, it shows considerable simplicity, flexibility and reproducibility. Tuning the gold loadings and washing procedures could control the sizes of gold nanoparticles below 6 nm.

得到以下主要结果：采用直接阴离子交换法制备氧化铝和铈、锆改性氧化铝负载的金催化剂，操作简便灵活，重复性好，通过调节金负载量和洗涤方法，金颗粒尺寸可以控制在6nm以下。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。