查询词典 catalysts

One such event is the "Boston tea party" which acted as one of the catalysts for the American Civil War.

其中一项活动是"波士顿倾茶事件"而作为一个催化剂的美国内战。

This paper introduces a successful experiment in grounting blocking against water in coal bunker and surrounding rock grouting strengthening by Malisan and a suitable proportion of catalysts,which have got a good effect and ensured the regular production of coal mine.

通过调研及试验，针对矿井的实际情况利用马丽散配以一定比例的催化剂对矿井煤仓漏水现象进行了注浆堵水处理，对巷道围岩进行了注浆加固，取得了很好的效果，保证了矿井的正常生产。

The esterification of acetic acid with n -butanol was used for measuring the activation of catalysts.

制备 Fe2 O3 / SO4 2 -固体超强酸催化剂，通常使用的方法是沉淀-硫酸酸化法[1～ 3 ] 。

Butylene catalytic cracking over ZSM-5, SAPO-11, and MCM-22 catalysts in a continuous flowing fixed bed reactor was investigated.

在常压连续固定床反应器上考察了ZSM-5、SAPO-11和MCM-22分子筛的1-丁烯催化裂解性能。

On the basis of aerobic oxidation ofβ-ionone catalyzed by supported catalysts/butyraldehyde system,a series of cycloolefines such as cyclohexene,β-methylionone,α-ionone,andα-pinene were oxidized under the general conditions to give corresponding epoxides and allylic oxides.

将三种催化体系CMPS-Co_2/正丁醛、Co_2/SiIm-正丁醛、MoO_2_2/SiIm-正丁醛推广应用到不同环烯烃催化氧化反应，虽然各反应底物之间的转化率和氧化选择性变化很大，但对三种催化体系横向比较而言，其催化氧化情况相当。

The effects of calcination temperature and loading on the surface area of catalysts were examined.

考察了该催化剂在不同焙烧温度和不同的负载量下对其活性的影响，同时对反应的影响也进行了探讨。

TPR results showed that the reduction ability of catalysts was determined by the calcination and composition.

TPR结果表明焙烧温度和复合氧化物的组成决定了材料的可还原性能。

The acidity of each of these catalysts before and after calcination is determined respectively by several k...

每个催化剂在陪烧前后用几种已知的方法来测定酸性。

The temperature of calcine is the maximal influencing factor for catalytic activity of catalysts.

其中焙烧温度对催化剂的催化活性影响最大。

Three different calcium oxide catalysts were synthesized from different precursors and characterized by X-ray diffraction, scanning electron microscopy, and temperature-programmed desorption.

用不同的前驱物合成了三种CaO催化剂，并以X射线衍射、扫描电子显微镜、程序升温脱附等方法加以表征。

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。