产水用途：食品饮料、医药行业工艺浓缩，提纯、RO预处理、涂装、电镀废水回收、矿泉水制备。
Water purpose: food and beverage, medicine, concentration, purification, RO pre-treating, coating, recollecting wastewater caused by plating, and table-water manufacture.
由于美国专利合成与提纯方法过于简单且产率较低，纯度达不到医药级纯度。
According to synthesis and isolation of US patent, its purity cannot meet the requirement of pharmacopoeia.
丙交酯的产率低，同时聚乳酸的亲水性差，降解速度慢，限制了聚乳酸在生物医药领域的应用。
However, the yield of lactide wasn't satisfical, and hydrophilicity of PLA was so bad that it leaded to low degradation rate, these shortcomings limited its use in some biomedical fields.
丙交酯的产率低，同时聚乳酸的亲水性差，降解速度慢，限制了聚乳酸在生物医药领域的应用。
However, the yield of lactide wasn't satisfical, and hydrophilicity of PLA was so bad that it leaded to low degradation rate, these shortcomings limited its use in some biomedical fields.
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