The resolution of DL p hydroxyphenylglycine into its D and L isomers was studied by using aromatic sulfonic acid as resolving agent and water as solvent.
以水为溶剂，取代芳磺酸为拆分剂，用诱导结晶法，经成盐、拆分、水解过程，将DL-对羟基苯甘氨酸拆分成D-对羟基苯甘氨酸。
The paper discusses that Principal-Agent of quality control between the supplier and purchaser. The paper also expatiates the resolving of adverse selection and moral hazard .
本文还对供应链环境下，上下游企业间的委托代理问题进行了研究，并阐述了对合作伙伴逆向选择问题和道德风险的解决方法。
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