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- In no-choice test, the sequences of antifeedant effect were aether>alcohol>petroleum ester >chloroform extracts. 在非选择性条件时 ,乙醚提取物的拒食作用最强 ,其次分别为乙醇和石油醚提取物 ,氯仿提取物的拒食作用最低。
- Barium sulfona te and barium soap of petroleum ester oxide were dissolved in kerosene or machin e oil to prepare oil-soluble corrosion inhibitor. 将石油磺酸钡和氧化石油脂钡皂溶于煤油或机油中制得缓蚀剂。
- Indonesia is abundant in petroleum deposits. 印尼的石油蕴藏量丰富。
- 7. In no-choice test, the sequences of antifeedant effect were aether>alcohol>petroleum ester >chloroform extracts. 在非选择性条件时,乙醚提取物的拒食作用最强,其次分别为乙醇和石油醚提取物,氯仿提取物的拒食作用最低。收藏指正
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- 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
- 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。
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- Petroleum can be used to produce various chemical products. 石油可用于生产多种化学产品。
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物，如煤或石油
- A natural or synthetic ester of glycerol and fatty acids. 甘油酯以甘油和脂肪酸天然存在的或合成的酯
- Crude oil can be refined into various petroleum products. 原油可炼制成各种石油产品。
- petroleum ester 石油酯
- A salt or an ester of lactic acid. 乳酸盐或乳酸酯
- A salt or an ester of titanic acid. 钛酸盐钛酸的盐或酯
- A salt or ester of hypochlorous acid. 次碳酸盐一种次碳酸的盐或酯
- Ester asked for time to think all this over . 埃斯特拉要求给她时间好好想一想。
- Ester asked for time to think all this over. 埃斯特拉要求给她时间好好想一想。
