查询词典 catalyst

The experimental results show that, Mn〓O〓 and Na〓Zr〓, which were cubic crystal and floccule in catalyst surface respectively, were active species, Mn〓O〓 was main active species and addition of Zr further activated methane molecules to improve methane conversion.

分析结果表明，Mn〓O〓和Na〓Zr〓是多组分甲烷氧化偶联催化剂的活性组分，在催化剂表面上分别以立方晶体和絮状物存在，且Mn〓O〓起主要作用，Zr的加入进一步活化了甲烷分子，提高了甲烷的转化率。

On Tuesday the Rockets learned that they will be without Alston for at least a week, meaning they will start the playoffs without their floor leader and catalyst.

周二，火箭队知道，他们将要失去阿尔斯通至少一周的时间，意味着他们在季后赛首场比赛没有了头脑和进攻催化剂。

The good catalytic effects indicate these flower-like nickel 3D nanocrystals are likely to be applied as a better catalyst in the future.

良好的催化性能表明，这种镍三维纳米结构将来很可能成为一种优异的催化剂。

Longer reaction time (48 h) and increase of hydrogen fluoride and catalyst are good for fluorination.

反应后的滤渣可再生为氧化汞循环使用，回收3次，反应的转化率和选择率均大于85%。

Reaction conditions are studied, and the result shows that it is better to adopt mercuric oxide or mercuric fluoride as fluorination catalyst with reaction temperature -20~-10℃.

结果表明，采用氧化汞或氟化汞作氟化催化剂、氟化氢作溶剂较好，适宜的反应温度为－20~-10℃，较长的反应时间(48 h)和增加氟化氢和催化剂的量有利于氟化。2-氯－5-三氯甲基吡啶的转化率和选择率均可达到97%以上。

The effects of forced periodic oscillation of oxygen concentration on the propylene ammoxidation reaction over a Mo-Bi catalyst were investigated in a continuous flow micro-fixed bed reactor at 440℃.

研究表明 9 ：在Mo-Bi系催化剂的作用下，丙烯氨氧化制丙烯是通过氧化还原反应机理来实现的。

Also,the relationship,that is Dui=(φ2i)/(m+1),between fractional number m and experimental data in the porous catalyst bed has been obtained.

而且，在多孔固体催化剂颗粒填充床中分数参数m和实验数据间的关系Dui=(φ2i)/(m+1)也已推得。

Factors affecting coking at the bottom of the fractionator are composition of slurry, temperature, catalyst content and residence time.

影响分馏塔底结焦的因素有分馏塔底油浆的组成、温度、催化剂含量及停留时间。

But one clear leader has emerged."Pyrolysis, with and without the aid of a catalyst, seems to be the front-running technology at the present," says Bill Carberry, program manager for Boeing's Airplane and Composite Recycling.

波音公司飞机及复合材料回收部门的项目经理Bill Carberry说：目前，不管是需要催化剂还是无需催化剂的热解工艺似乎都是领先技术。

Consequently, degradation of acid fuchsine from aqueous solutions through photocatalytic process that involves addition of a heteropolyacid catalyst was studied, as well as its optimum conditions in industry production and its mechanism.

本课题选取酸性品红染料为降解对象，试验研究了杂多酸光催化降解酸性品红反应的工艺条件，机理，以及用负载型杂多酸来改善催化环境，旨在寻找一种染料废水的环境友好处理新工艺。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。