本产品以天然优质钙基膨润土为原料，经提纯、改型、长链有机阳离子覆盖等过程精制而成。
This product is made from the natural Ca-bentonite after a process of purification, modification, long-chain organic cation covers and so on.
文章主要研究了苯酐-尿素法合成酞菁钴、经提纯并对其进行红外、紫外光谱测定、合成及表征结果表明，红外光谱表征推测结构可靠，紫外光谱分析表明有特征吸收峰之处。
This paper has studied the phthalocyanine complex of Cobalt synthesized by benzene bitter wine-urea law, and after depuration, an infrared, ultra-violet spectrograph determination is carried.
以麦角甾醇为原料，经七步合成24-表油菜素内酯，前两步反应不需进一步提纯，提高了收率、具有工业化价值。
Synthesis of 24-epibrassinolide in seven steps from ergosterol, and methods ahead of two steps which used without further purification which there is high yield and asset of industrialization.
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