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- solvency of petroleum spirit 汽油溶解本领
- The sample is extracted with a mixed solvent of petroleum ether and benzene, and then esterified with KOH-CH 3OH. The esterified sample is determined by GC-FID, using 10%DEGS column. 样品经石油醚 苯混合溶剂提取 ,用KOH CH3 OH溶液进行甲酯化 ,用GC FTD 10%25DEGS为分离柱 ,测定脂肪酸的组成。
- Toxic effect of petroleum spirit 石油精毒性作用
- A trademark used for a brand of petroleum jelly. 凡士林用来作为石油脂的商标
- The chemistry of petroleum and its derivatives. 石油化学石油及其复合物的化学
- Fears about the solvency of the banks precipitated the great economic crash. 对银行偿付能力出现恐慌更加速了经济的崩溃。
- Alcohol is a solvent of resinous substances. 酒精是树脂性物质的溶媒。
- The apparatus used in the cracking of petroleum. 裂化设备用于裂化石油的装置
- Place a dab of petroleum jelly on the bulb. 涂少量的凡士林在温度计上。
- What is the main solvent of this cosmetic product? 这种护肤用品的主要基质是什么?
- Any new source of energy will be welcome, as there is a shortage of petroleum. 由于石油短缺，任何一种新能源都会受欢迎。
- Kerosene is a by-product of petroleum refining. 煤油是提炼石油的副产品。
- The prices of petroleum products have soared. 石油产品价格已上升。
- They'll sink a well in search of petroleum. 他们将钻井找石油。
- B:All plastics are the byproducts of petroleum. 所有塑胶都是石油的副产品。
- Pursuing by thousands of petroleum corp. 上千家石油公司的追捧!
- Two schools of thought regarding the origin of petroleum exist. 关于石油的成因有两大学派。
- Carries on before the pretreatment, the key must let the washings absorption clean petroleum spirit. 进行预处理前,关键要让洗涤物吸收干净的石油溶剂。
- An underground accumulation of petroleum or natural gas. 积蓄:石油或天然气在地底下的积聚。
- Fears about the solvency of the banks precipitatedthe great economic crash. 对银行偿付能力出现恐慌更加速了经济的崩溃。
