Liquid flow rate and bubble size have been determined by photographic method.
用照相法测定液体流速及气泡直径。
A method to recover silver from waste photographic film with waste fixing bath was studied.
研究了利用彩印漂定废液回收废感光胶片中银的方法。
A method to recover silver from waste photographic film with waste fixing bath was studied.
研究了利用彩印漂定废液回收废感光胶片中银的方法。
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