催化剂是一种能加速化学反应的物质.A catalyst is a substance which speeds up a chemical reaction.各种陶土管用作转化催化剂的载体.Various ceramic materials have been suggested as supports for reforming catalyst.经过泡水试验,催化剂应不开裂或破碎.To pass the water test the...
The ball was bobbled momentarily, allowing Holloway to race home.球一下子漏了，使得霍洛韦跑垒成功。The disease was controlled by the simple expedient of not allowing anyone to leave the city.通过禁止任何人出城的简单应急办法使疾病得到了控制。The warder was always...
Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
In his speech, Gabor has beautifully distilled the physics and the important application of photography.在这篇演说中, Gabor精辟地论述了摄影的物理原理以及主要应用.The algorithm on enhancement include orientation image estimation, frequency image ...
我的汽车最多能坐四个人.I can take up to four people in my car.这辆车我们四个人勉强坐得开.The car is fairly large for the four of us.我的车子能舒服地坐四个人.My car holds four people comfortably....
He rove hither and thither that night.那一夜他四处漫游.He has sent hither swarms of officers to harass our people.他委派大批的官员到这里骚扰我们的人民。He tramped hither and thither.他到处流浪.He wandered hither and thither looking for a playmate.他逛来逛去...