我司是印尼斯文（PT SUMI ASIH)、马来西亚酸化学（ACIDCHEM）、马来棕榈油化（PALM OLEO)、吉隆坡甲洞集团（KLK)、马来天然油脂（NAT OLEO)，宝洁（P&G），印尼..
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从聚酰胺酸化学环化反应机理出发对这一结果给予了解释。
The phenomonon was explained in view of the mechanism of chemical cyclization of poly(amic acid).
目的：探讨羟基乙酸化学脱皮治疗妇女黄褐斑的疗效和安全性。
Objective: To evaluate the efficacy and safety of glycolic acid chemical peeling in the treatment of female melasma.
介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素。
The mechanisms and some affect factors for chemical disposal defluorination of wet-process phosphoric acid were introduced.
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