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二水草酸钙的热力学转化及海藻多糖的稳定作用（Thermodynamical Transformation of Calcium Oxalate Dihydrate and Its Stabilization by Algal Sulfated Polysaccharide）
一水草酸钙 二水草酸钙 硫酸多糖 晶种 结晶
2010/8/24
草酸钙结石的形成与尿液中草酸钙的存在形式密切相关，一水草酸钙(COM)促进尿石症形成，而二水草酸钙(COD)易随尿液排出体外。本文采用体外模拟方法，比较研究了COD晶体在水溶液、正常人尿液和结石患者尿液3个不同体系中的稳定性及海藻龙须菜多糖(SPS)对COD的稳定作用。在水溶液和患者尿液中，不但COD转化率高，而且得到的转化产物COM晶体聚集程度大；而在正常人尿液中，COD转化率低，转化产物聚集程...
Stabilization of Papain by Modification with Chitosan
Enzyme stabilization immobilized papain chitosan
2010/4/22
Papain (EC 3.4.22.2) was immobilized on chitosan by adsorption and subsequent cross-linking with glutaraldehyde. The immobilized papain displayed a lower specific activity than did the native enzyme. ...
The Effectof Lanthanum and Barium Additives on the Thermal Stabilization of g-Al2O3
g-Al2O3 thermal stabilization lanthanum additive barium additive calcination
2010/7/1
The effect of La and Ba additives on the thermal stabilization of g-Al2O3 was investigated through total-surface-area measurements. The parameters considered were additive content, calcination tempera...