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- The investment and purification cost of chemical purification method is considered lower in producing feed grade,industrial grade,food grade phosphate by using WPA; 认为,用湿法磷酸制饲料级、工业级和食品级磷酸盐产品,采用新化学净化湿法磷酸投资少,净化成本低;
- chemical purification method 化学方法净化
- Objective: To establish purification method of G-CSF. 摘要目的：建立G-CSF的纯化方法。
- By stibnite and chemical purification after Featured derived from the black powder. 是由辉锑矿经过精选和化学提纯而得，为黑色固体粉末。
- The purification method and crystallization shape of ampelopsis flavones were studied. 对粤蛇葡萄黄酮化合物的纯化方法及结晶形态进行了研究。
- CONCLUSIONS The purification method with sodium salicylate is better than the other two with a simpler... 结论水杨酸钠法操作简单,提取物纯度较高,为较好的纯化方法。
- Pure molybdenum trioxide is produced by wet chemical purification and subsequent calcinations suitable for reduction molubdenum manufacture molybdenum wire and flat. 纯三氧化钼是经湿法化学提纯和焙烧而生产的，适用于还原钼粉，生产钼丝，钼片。
- Objective Study the purification method and antibacterial activity of Chinese herb (the larvae of Lucilia sericata). 目的探讨中药五谷虫抗菌物质的提纯方法和抗菌活性。
- The purification method was practical and effective,and the purified preS2(epi)S protein showed good immunogenicity compared with S protein. 该纯化方法实用有效,纯化后的preS2(epi)S蛋白比S蛋白具有更好的免疫原性。
- Objective: To establish an effective purification method for primary culture of mouse embryonic palatal mesenchymal(EPM) cells. 目的:建立纯化原代培养的小鼠胚胎腭突间充质细胞的纯化方法。
- OBJECTIVE To optimize the purification method of the total isoflavones in Chuanshegan with macroporous adsorptive resin. 目的研究大孔吸附树脂分离纯化川射干中异黄酮的工艺条件及参数。
- The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate. 采用向盐酸多西环素精制母液中加5-磺基水杨酸和水的方法,从精制母液中回收出氢化物,并确定了最佳配比。
- Purification method for solvent, combined sulfonation with distillation, decreased time of trial preparation observably. 使用浓硫酸磺化和蒸馏相结合的提纯溶剂方法,可节省实验的准备时间。
- The result shows that this method is a new type,high efficiency and practical purification method and some improvement ways are also raised. 研究结果表明:该方法是一种新型、高效、实用的油烟净化方法,提出了进一步完善该方法的研究内容。
- Objective:To study the firbronectin purification method from porcine plasma to obtain high purity and high bioactivity purified product. 目的:研究猪血浆中纤维结合蛋白的分离纯化方法,得到高纯度、高活性的目标蛋白。
- The results showed that heavy rare earths in phosphorite ore were utilized by the purification method of reverse flotation. 研究结果表明,该类型含重稀土磷块岩矿石可采用反浮选方法富集,具有开发利用价值。
- Study on Chemical Purification of Bentonite 膨润土化学提纯研究
- The second purification method is more scientific than the first one to compare the curve of 280 nm absorption value and laccase avtivity during the chromatotography course. 从EDAE-Sepharose FF离子交换层析及SephadexG-75分子筛层析过程中活力值与280nm吸收值曲线重叠情况看,分离此漆酶选择EDAE-Sepharose FF与SephadexG-75两种介质更合理。
- The synthesis of dioxybenzoin from phenylacetic acid by chloridization and Friedel-Crafts reaction is described.The purification method of dioxybenzoin is discussed. 介绍了以苯乙酸为原料经过酰氯化和付-克反应酰基化两步合成二苯乙酮的工艺,并讨论了最终产物的纯化方法。
- the formation factor,chemical purification of UDD; 最适宜的炸药成分、配比和生成条件和选取；
