查询词典 catalysts

Based on catalyst Ls, the effect of ultrasonic cavitation on the low-temperature activity of catalysts has been investigated.

在催化剂Ls的基础上，研究了超声空化对催化剂低温活性的影响。

Aim To affect COD removal efficiency of wastewater by using copper and cerium oxide catalysts.

目的研究Cu／Ce复合金属氧化物对废水催化氧化程度的影响。

Results The activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.

结果Cu／Ce复合氧化物催化剂对吡虫啉农药废水具有较高的催化活性。

ResultsThe activity of copper and cerium oxide catalysts were better than that of copper nitrate or cerium nitrate.

然而，催化湿式氧化能实现有机污染物的高效降解，同时可以大大降低反应的温度和压力。

It is shown that the surface structure, characteristic, and catalytic property of the catalysts are obviously affected by the catalyst preparation methods.

结果表明，镧助剂的引入使得铁锆催化剂的表面结构、性质、及催化性能等都发生了明显的变化。

It was considered that the multi-functional catalysts,in which the active sites were combined in nano/micro scale,was one of the promising methods for the integration of multi-step chemical reactions.

认为催化剂活性相以纳微尺度复合的多功能催化剂是实现多步反应一步化的有效方法之一。

It was also found that the composition, methods of preparation and the reduction temperature of the catalysts have the great influence on the chemisorption capacity a...

催化剂的组成、制备方法不同，其化学吸附性质和加氢活性也有较大的差异。

The catalysts can be poisoned by sulfur in the coal gas.Sulfur compounds are harmful in chemosynthesis industry.

煤气干法脱硫技术是一种行之有效的煤气脱硫净化工艺，它是整体煤炭气化联合循环发电技术，特别是煤炭多联产的关键环节之一。

Condensation of phenol and chloral over HY zeolite catalysts was studied in detail.

以三氯乙醛为亲电试剂，在HY沸石催化剂上实现了苯酚和三氯乙醛的二次缩合反应。

Experiments showed that catalytic activity of magnetic solid superacids could attain above 97%, and selectivity of reaction 100%, which illustrated the choiceness of these catalysts in esterifications.

实验表明，磁性固体超强酸催化剂的催化活性可达97％以上，反应的选择性为 100％，说明此催化剂是良好的酯化催化剂。

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。