Optical rotation was used to determine the content of ephedrine hydrochloride.

采用旋光法测定盐酸麻黄碱含量.

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Optical rotation also affected by the solvent used for the measurement, and this is always specified.

旋光还受检验所用溶剂的影响, 而此溶剂总是作出明确规定的.

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The expressions of the nonlinear optical rotation additional angle in some special conditions are given.

给出了在特定条件下非线性旋光附加角的表达式.

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An error in measuring optical rotation of a solutition is found based on the mathematic Logic.

文章由数学逻辑出发,发现了旋光度确定中存在的一些不足.

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