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By relatively test the law confirming the best method to draw Saikosaponin sample of root of Chinese thorowax is: 5% methyl alcohol of ammonia water backset current 4, water saturation straight cube alcohol extract 20ml / time.

用比較實(shí)驗(yàn)法確定了提取柴胡皂苷樣品的最佳方法為：5%氨水甲醇回流4小時(shí)，水飽和正丁醇萃取20ml/次av在线.con。

The main contents are:(1) The polarized laser Raman spectra of acetone, methyl alcohol, alcohol, ethylene glycol, formamide, acetonitrile, acetic acid, Chloroform, Methylene chloride, and Bromoform are measured in the experiment.(2) The depolarization ratio of Raman shift in the measured spectrum are

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Biodiesels were synthesized by the transesterification reaction of cottonseed oil and methyl alcohol and ethyl alcohol, respectively, in order to study the lubricating properties of biodiesel.

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Methyl alcohol wood alcohol Once produced by destructive distillation of wood , it is now usually

曾經(jīng)將木材進(jìn)行破壞性的干餾來(lái)生產(chǎn)甲醇操b福利视频，現(xiàn)在通常用天然氣中的甲烷來(lái)制

The solubility is very large in water and higher temperature, larger it is. It is dissolved in water, ehyl alcohol, methyl alcohol etc.

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Treatment of niobic acid with nitric acid and phosphoric acid affected the catalytic activity in synthesis of methyl oleate from oleic acid and the methyl alcohol.

研究了處理的鈮酸對(duì)制備油酸甲酯催化反應(yīng)活性的影響亚洲综合操逼网，并對(duì)此酯化反應(yīng)合成條件進(jìn)行了考察。

"Methyl alcohol wood alcohol Once produced by destructive distillation of wood, it is now usually made from the methane in natural gas."

曾經(jīng)將木材進(jìn)行破壞性的干餾來(lái)生產(chǎn)甲醇中文黄色字幕网站，現(xiàn)在通常用天然氣中的甲烷來(lái)制

"Methyl alcohol wood alcohol Once produced by destructive distillation of wood , it is now usually made from the methane in natural gas."

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Second, the solthe solthe sol-gel solution did not contain alcohol, instead, poly methyl methacrylate, aniline and phosphate salt(calcium phosphate dibasic, manganese phosphate or zinc phosphate) were added.

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