沸水硫化 的英文怎麼說
中文拼音 [fèishuǐliúhuà]
沸水硫化
英文
boiled water cure-
A new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained
研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線Abstract : a new method on extraction of phenanthrene from crude anthraceneis given, which includes azeotropic dissolution with ethylene glycol, extraction of carbon tetrachloride, treatment of sulfuric acid and ethyl alcohol recrystallization, in the end, the best process is obtained
文摘:研究了從粗蒽中提取菲的方法，即用乙二醇對原料進行共沸，以四氯化碳為溶劑並用硫酸處理，最後用無水乙醇重結晶，制定出最佳的工藝路線Water has higher melting point, boiling point, heat of vaporization, heat of fusion and surface tension than comparable hydrides such as hydrogen suiphide or ammonia or most liquids
與氫硫化物、氨水或其他大多數的液體相比，水具有較高的熔點、沸點、蒸發比熱、熔解熱和表面張力。
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