this paper summarized the present situation of the concentrating and extracting techniques of precious metals, and compared the advantages and disadvantages of each method.
综述了贵金属富集提取技术的研究概况,比较了用于贵金属富集提取的几种工艺技术的优缺点。
objective to study the kinetics in refluxing extraction process of oxymatrine from radix(sophorae) flavescentis to provide theoretical basis for designing extracting techniques of oxymatrine.
目的研究氧化苦参堿提取过程的动态变化,为设计氧化苦参堿提取工艺提供理论依据。
in this paper, on the basis of the proximate compositions of pork skin and the extracting techniques of collagen, the main utilization and the future trends of collagen were discussed.
本文在概述猪皮的基本组分与提取工艺路线的基础上,对胶原蛋白的主要应用及今后的发展趋势进行了系统性阐述。