preparation造句
preparation造句及翻译如下：
extensive翻译
1.Lactide is the midbody for the preparation of poly(lactic acid), the ratio of lactic acid to lactide is low and hamper the extensive application of PLA.
丙交酯是由乳酸制备聚乳酸的中间体,其产率偏低是制约聚乳酸大规模应用的关键。
2.An indirect atomic absorption spectroscopic method (AAS) was proposed for the determination of leucogen in pharmaceutical preparations.
该法可成功地用于药物制剂中利血生的测定。
3.The preparation method of potassium pentaborate (KB5O8) was studied with the replacement reaction between potassium chloride and sodium pentaborate solution.
研究了利用氯化钾晶体和五硼酸钠溶液的复分解反应制备五硼酸钾的方法。

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