心力衰竭是很多心血管疾病的最终转归，心脏利钠肽类激素(CNH)作为心力衰竭诊断的新指标近年来颇受重视。
Most cardiovascular diseases lead to heart failure. Cardiac natriuretic hormone (CNH) measurement is a promising method of diagnosis of heart failure.
方法：利用HPLC，分离了头孢曲松钠及其在输液中的分解产物，采用归一法的定量方法，进行头孢曲松钠的含量分析。
Method: a HPLC method was used to separate ceftriaxone and its decomposition products. Return-to-one method was used as quantitative analysis method.
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