岩石的磁性与其顺磁杂质（铁和锰）的含量有关。
Rock magnetism is strongly correlated with the content of paramagnetic impurities (iron and manganese).
本文讨论了英国药典1993年版及其它方法测定克林霉素有关物质的含量，对重要的杂质进行了分析。
This paper discusses the method for determination of related substances of clindamycin hydrochloride in BP 1993, and analyses the important impurities of clindamycin hydrochloride.
正常氧化铯薄膜的光学常数和介电常数随铯杂质含量和入射光波长有关。
Optical constants and dielectric constants of normal cesium oxide thin films are related to wavelength of incident light and cesium impurity contained.
有关物质各杂质峰与主峰之间的分离良好。结论该测定方法可作为盐酸曲美他嗪的含量测定方法，以控制其原料及制剂的质量。
Conclusions the method is simple, rapid, accurate and sensitive, and can be used for the assay and quality control of trimetazidine dihydrochloride in the tablets.
有关物质各杂质峰与主峰之间的分离良好。结论该测定方法可作为盐酸曲美他嗪的含量测定方法，以控制其原料及制剂的质量。
Conclusions the method is simple, rapid, accurate and sensitive, and can be used for the assay and quality control of trimetazidine dihydrochloride in the tablets.
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