查询词典 catalyst

The photocatalytic activity of the catalyst is the highest when the calcination temperature is 600℃.

结果表明，经600℃焙烧的催化剂对庚烯的降解最好。

Actual calcination temperatures of TS-1 powder and monolithic catalyst were chosen as 550℃and 600℃respectively.

实践中，对TS-1粉末催化剂的焙烧均采用550℃的温度，而整体式催化剂的焙烧温度则选择为600℃。

The appropriate calcination temperature and the appropriate type of carrier are also necessary for highly active catalyst.

适当的焙烧温度与载体类型也是获得高活性催化剂的必要条件。

Therefore, calcination temperature should be carefully optimized to prepare the catalyst with high activity.

因此， 焙烧温度应仔细优化准备用高活性催化剂。

It was in accordance with the situation of southwest of China that used calcium oxide as the solid catalyst in the reaction of biodiesel synthesis.

结论］氧化钙作为生产生物柴油的固体催化剂符合我国西南地区的基本情况。

The experimental results showed that the catalyst had better catalytic activity and selectivity. The main product of the isomerization reaction was camphene, and the byproducts were limonene, terpinolene and tricyclene etc.

该催化剂具有较好的催化活性和选择性，异构化反应的主产物是莰烯，副产物是苎烯、异松油烯、三环烯等。

Raney nickel catalyst was used in hydrogenation of the turpentine and c-pinane,t-pinane,camphene and isocamphane and some other monoterpane s were determined.

用雷尼镍为催化剂对松节油进行了加氢实验，获得顺蒎烷、反蒎烷、莰烷、异莰烷等单萜烷类化合物，采用气相色谱"反吹、微流控"技术的色谱-质谱分析方法，测得了它们的保留时间和质谱图，为进一步研究原油或抽提物轻馏分中单萜烷类化合物的地球化学意义提供了一些基础性数据。

The problem of 'candlewick effect' related to the glass fiber was successfully solved by introduction of the char forming catalyst heteropolyacid and the flame retardant modifier into the flame retarding system.

通过在阻燃体系中引入成炭催化剂杂多酸和阻燃改性剂，成功地解决了玻纤增强尼龙6燃烧时的"烛芯效应"问题。

Ethyl decanoate was synthesized from capric acid and ethanol by using ferric potassium alum as catalyst.

以铁钾矾为催化剂，通过癸酸与乙醇反应合成了癸酸乙酯。

Starch esterification was proceeded with native cassava starch and three saturated free fatty acids: capric acid (C10:0), myristic acid (C14:0) and stearic acid (C18:0). The fatty acid modified starch was prepared by using lipase PS as the catalyst.

中文摘要本研究以天然树薯淀粉为反应基质，与三种不同链长饱和脂肪酸羊蜡酸(C10：0、肉豆蔻酸(C14：0)与硬脂酸(C18：0)分别於水相及有机相行酯化反应，并且以工业中常用的脂肪水解酶lipase PS催化酯键合成，可得脂肪酸修饰淀粉(fatty acid modified starch， FAMS)。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。