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- By contrasting with many retrieving methods of normal heptane in petroleum chemistry experiment this paper showed that alumina is a good sorbent, both simple and convenience. 对石油化学实验中所使用正庚烷溶剂的回收方法进行了对比,实验表明,采用氧化铝作为吸附剂效果良好,方法简便易行。
- In recent years, with the rapid development of the petroleum industry and petroleum chemistry industry, more and more attentions have been atracekd to the accurate measurement of the liquid level in tanks. 近年来,随着我国石油、石化工业的迅速发展,储灌液位的精确测量越来越受到人们的关注。
- With the increase of petroleum importation, the corrosion protection emphases of petroleum chemistry facilities turned from naphthenic acid corrosion to sulfide corrosion in decade. 近10年来,随着进口原油的增多,石油化工设备的腐蚀重点逐步由环烷酸腐蚀转向硫化物腐蚀。
- Effect of Occupational Health Promotion in Zhenhai Petroleum Refinery and Chemistry Corporation, China Petroleum Chemistrial Company, Ltd. 中国石化镇海炼化公司职业健康促进效果评价。
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- The Discuss About Large-scale Oil Tank of Petroleum Chemistry Industry 关于石油化工油气储罐大型化的探讨
- Northwest University: Petroleum Chemistry and Chemical Engineering College 西北大学石油化工学院
- We have three periods of chemistry a week. 我们一星期三节化学课。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- No one can cope with him in Chemistry. 在化学方面，谁也比不上他。
- I am not good at organic chemistry. 我的有机化学学得不好。
- A chemical derived from petroleum or natural gas. 石油化学制品从石油或天然气中提炼出的化学产品
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- Taiwan seems to contain no petroleum. 台湾恐怕没有蕴藏石油吧！
- This land is rich with petroleum. 这片土地盛产石油。
- He is an authority in the region of chemistry. 他是化学界的权威。
