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- phenol and chloroform method 酚仿抽提法
- Main methylene chloride and chloroform sales. 主营二氯甲烷和三氯甲烷的销售。
- Method:The level of urinary MCH was measured with phenol and 4 AAP assay. 方法:酚,4-氨基氮替比林(4-AAP)法测定尿红细胞平均血红蛋白含量(MCH)。
- The method for synthesizing DL-p-hydroxyphenylglycine with glyoxylic acid,phenol and phthalimide was investigated. 对利用乙醛酸、苯酚、邻苯二甲酰亚胺合成DL-对羟基苯甘氨酸的方法进行了研究。
- A method for the determination of the contents of residual organic solvents dichloromethane and chloroform in finasteride by SPME-GC was proposed. 利用固相微萃取气相色谱法测定非那雄胺中的溶剂残留,对固相微萃取的萃取温度、萃取时间、解吸时间和溶液的离子强度等分析条件进行了优化。
- The synthesis method of phosphorodichloridic acid phenylester by phenol and phosporusoxychoride was introduced. 介绍了由苯酚与三氯氧磷合成二氯化磷酸苯酯的方法。
- Because of a azeotrope is formed between phenol and water,the phenol-water mixture can not be separated completely through common distillation method. 由于苯酚和水能形成共沸物,因此不能用普通精馏方法将它们分离。
- A method for the determination of phenol and catechol in tobacco leaf by high performance liquid chromatography with methanol and 0. 采用固相萃取高效液相色谱法测定烟草样品中的苯酚和儿茶酚。
- A new method of variable-angle synchronous spectrofluorimetry has been developed for the simultaneous determination of phenol and aniline. 本文建立了苯酚和苯胺的同时可变角同步荧光分析法。
- Phenols and anilides can be nitrated with very dilute nitric acid. 酚类和酰基苯胺能被极稀的硝酸硝化。
- The software, method and strategy for simulation and analysis of distillation columns of alkylation system in the production of phenol and acetone are introduced in this paper. 介绍了苯酚丙酮装置烃化系统精馏塔模拟软件。给出了烃化系统精馏塔模拟与分析方法和策略。
- When you talk baby to church or on the train,be sure to have plenty of cookies and chloroform. 到教堂去、或者是在火车上用幼儿的口吻说话之时,可别忘记带着一大堆曲奇饼和哥罗仿。
- When you talk baby to church or on the train, be sure to have plenty of cookies and chloroform . 到教堂去、或者是在火车上用幼儿的口吻说话之时,可别忘记带着一大堆曲奇饼和哥罗仿。
- A new syntan product was prepared with tar phenol and ligninsulfonic acid. 以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
- When you talk baby to church or on the train, is sure to have plenty of cookies and chloroform. 到教堂去、或者是在火车上用幼儿的口吻说话之时,可别忘记带着一大堆曲奇饼和哥罗仿。
- The Nonylphenol was synthesized with phenol and nonene as the main materials. 以苯酚、壬烯为主要原料合成壬基酚。
- When you talk baby to church or on the train, be sure to have plenty of cookies and chloroform. 到教堂去、或者是在火车上用幼儿的口吻说话之时,可别忘记带着一大堆曲奇饼和哥罗仿。
- After handled with petroleum aether and chloroform, the article purity has raised 9.68%. 粗提物经石油醚、氯仿处理后,纯度提高了9.;68%25。
- The major pollution indicators are dissolved oxygen, potassium permanganate, BOD, volatile phenol and petroleum. 主要污染指标为溶解氧、高锰酸盐指数、生化需氧量、挥发酚和石油类。
- The resultant polyimides are soluble in DMA, DMF, NMP, THF,m cresol and chloroform. 该类聚酰亚胺在DMA,DMF,NMP,THF,间甲酚,氯仿中有很好的溶解性,且与柔性链的长度无关。