目的研究盐酸丁卡因注射液的稳定性及贮存期。
OBJECTIVE To study the stability and expiration of tetracaine hydrochloride injection.
目的：探讨永停滴定法测定盐酸丁卡因注射液含量时采用不同灵敏度对含量测定的影响。
Objective: to evaluate the effect of instrument sensitivity on the concentration determination of tetracaine hydrochloride injection using dead - stop titration method.
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