To study and discuss for using a light observation method for testing particulate matter in small volume injections and sterile powder for injection.
目的：对用光阻法测定小容量注射液和注射用无菌粉末中的不溶性微粒检查方法进行研究和讨论。
The sensitivity of capillary electrophoresis is greatly limited due to the small injection volume and the short optical path length.
由于毛细管进样体积小以及在柱检测光程短，极大地限制了毛细管电泳检测灵敏度的提高。
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