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生药化学定性鉴别
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生药化学定性鉴别
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医学
生药理化鉴定
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chemical qualitative identification of crude drug
生药化学定性鉴别
利用中药中某些化学成分能与特定的化学试剂发生化学反应,产生特殊气味、发生颜色变化、生成沉淀或结晶等现象,从而进行定性鉴定的过程。
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oil-field flooding
oil field geothermal resources assessment
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oilfield injection surface engineering
oil field microorganisms
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oilfield water chemistry
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oil from coal
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oil & gas metering separator
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