METHODS:The bilayer minipellet was prepared and shaped by pressurizing gel with the collagen protein as coating material and the sodium chondroitin sulfate as releasing moderator;
方法：以胶原蛋白为包裹材料，以硫酸软骨素钠为释放调节剂，采用凝胶加压成型的方法制备双层微条；
Objective to establish the detection method of bacterial endotoxin for chondroitin sulfate a sodium injection.
目的建立检查硫酸软骨素a钠注射液细菌内毒素的方法。
Purpose to Establish detection method of bacterial endotoxin test to chondroitin sulfate a sodium injection.
目的建立硫酸软骨素a钠注射液细菌内毒素检查法。
Purpose To establish a method for determining the content of chondroitin sulfate (CS) in compound chondroitin sulfate eye drops containing sodium hyaluronate (SH).
目的建立含玻璃酸钠（SH）的复方硫酸软骨素滴眼液中硫酸软骨素（CS）的含量测定方法。
Objective: to determine the relative and absolute molecular weight (Mw) as well as Mw distribution of chondroitin sulfate sodium, and to compare the two analysis methods.
目的：采用两种方法测定硫酸软骨素钠的相对和绝对分子质量及其分布，并对两种分析方法进行比较。
Objective: to determine the relative and absolute molecular weight (Mw) as well as Mw distribution of chondroitin sulfate sodium, and to compare the two analysis methods.
目的：采用两种方法测定硫酸软骨素钠的相对和绝对分子质量及其分布，并对两种分析方法进行比较。
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