您要查找的是不是：
- Reasearch and development direction of clean nitration reactions are also presented. 最后探讨了这些新型硝化工艺的发展前景。
- Clean clothes and good manners are prepossessing. 清洁的衣服和良好的举止能给人以好感。
- Keywords applied chemistry;dinitrogen pentoxide;toluene;clean nitration;molecular sievecatalyst; 应用化学;五氧化二氮;甲苯;绿色硝化;分子筛催化剂;
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- It's important for the college freshman to keep his nose clean. 对大学新生而言洁身自好是很重要的。
- Keywords dinitrogen pentoxide;nitration;clean nitrating agent; 五氧化二氮;硝化;绿色硝化剂;
- He is surprised to find his room thoroughly clean. 他惊讶得发现他的房间给彻底地打扫了。
- I use an oily rag to clean my bike with. 我用沾满油污的碎布擦我的自行车。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- The mayor is determined to clean up the city. 市长决心清除市内的不良现象。
- The stain on his shirt is difficult to clean off. 他衬衣上的污点很难去除掉。
- The hospital is getting short of clean linen. 这所医院现在缺少乾净的被服用品。
- Clean the car from the top, preferably with a hose and warm water. 最好用软管和温水从顶部开始清洗汽车
- The nitration of this may lead to dinitrotoluene. 对此的硝化会生成二硝基甲苯。
- I suggest we make a clean break. 提议我们干干净净分手吧。
- A sharp knife makes a clean cut. 快刀切得整齐。
- He made a clean breast of his crime to the police. 他向警方如实招供。
- A good clean will really freshen (up) the house. 好好收拾一下的确会使房子焕然一新。
- It looks as if it isn't clean enough to bathe here. 看起来海水好像不干净，不能游泳。
- He didn't clean the room yesterday. 他昨天没打扫房间。
