but also attempt to explain the function and cultural connotation of prehistoric rock art. In their view, when the original Created by painting images of vehicles is based on ancestor worship and an 因此,不仅使用巫术理论解释史前岩石绘画艺术,而且的西部学者例如Reinach试图解释史前岩石艺术的作用和文化内...
The present invention relates to the process of separation, purification and quantification of Isoquercitrin by using high performance liquid chromatography (HPLC).The purified Isoquercitrin was compared with the standard Isoquercitrin (pure) obtained commercially.Their bands in the spectrum of the ultra ...
The composition and solubility of the main impurities in crude azelaic acid,which was the reaction product of ozonolysis of oleic acid,were analyzed in detail.Then pure azelaic acid was obtained by a novel solidliquid extraction method.A series of organic solvents were studied systematically,among ...
有机化合物的分离与纯化TheSeparationandPurification 化学生物学专业硕士研究生课程 教学大纲 课程名称:有机化合物的分离与纯化 课程编号:0703202F07 学 分:2 总学时数:40 开课学期:2 考核方式:笔试(开卷) 课程说明: 在研究和使用有机物时,通常要将有机物提纯,这就需要有机物的分离纯化技术。该技术有时会成...
The process of separation and purification of the - lactalbumin and lactoglobulin B by combination of ion exchange chromatography, aqueous two-phase system... The process of separation and purification of the - lactalbumin and lactoglobulin by combination of 3 i\\u00f5nica exchange chromatography, aq...
chapter3theextraction,separationandpurificationof Chapter 3 The Extraction, Separation and Purification of Enzyme 酶的分离纯化 Contents of chapter 3 酶的提取是指在一定的条件下,用适当的溶剂或溶液处理含酶原料,使酶充分溶解到溶剂或溶液中的过程。也称为酶的抽提。 酶提取时首先应根据酶的结构和溶解性质,...
PROCESSES FOR THE PURIFICATION AND USE OF 2,2-DICHLORO-1,1,1,3,3,3-HEXAFLUOROPROPANE AND AZEOTROPES THEREOF WITH HF A process is disclosed for the separation of a mixture of HF and CF3CCl2CF3. The process involves placing the mixture in a separation zone at a temperature of from about...
1. A process for the separation and purification of platinum, rhodium and iridium present as salts dissolved in aqueous solution comprising the steps of: a. contacting the solution at acid pH with a reducing agent to effect the reduction of iridium present as Ir(IV) to Ir(III); ...
The optimum process for the separation and purification of Al 13 was investigated in detail in this paper. The various influencing factors were discussed. The experimental results show that the concentration and basicity ( B, OH/Al ratio) of polyaluminum chloride (PACl), Al/SO 4 ratio, Ba/...
摘要: The routine separation and purification methods of cellulase were reviewed and some latest separation and purification methods were introduced including two-aqueous phase extraction technology,reversed micelle extraction and high performance liquid chromatography.关键词:...