dichloromethane用法_例句
dichloromethane 朗读
dichloromethane
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dichloromethane翻译
dichloromethane双语用法和例句
- 1 . The variation of the desorption activation energy of dichloromethane on activated carbons was discussed hardbase ( HSAB ) princi.
- 主要研究了金属离子改性活性炭对二 氯甲烷 脱附活化能的影响.
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- 2 . Antioxidant activities of six spice materials have been measured using peroxidevalue ( POV ) and acid value ( AV ) after extraction with dichloromethane .
- 以过氧化值及酸价为指标,评价了以二氯甲烷为溶剂的生姜等六种常用香辛料提取物的抗氧化作用.
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- 3 . N - dimethyl nitrosamine in food was extracted by Dichloromethane and determined by SIM with gas chromatography - mass spectrometry.
- 用二氯甲烷对各类食品中的N - 二甲基亚硝胺进行提取,利用气质联用仪采用选择离子法(SIM)进行定性定量检测.
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- 4 . The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.
- 用中性氧化铝柱层析法对粗产物进行分离提纯,用含一定量吡啶的二氯甲烷溶液作为洗脱剂.
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相关单词
durative donable dandyish dislodgment diacrete dogberry depth dextrogram ducky delorazepam defective delinquency datum doxorubicin diabolic drawhead DBDA deliverly detector distinguishable