The dissolution time of the ultrafine cefradine injection was shorten, and correspondingly the amount of arginine as a solutizer was reduced by 29%.

• 超细头孢拉定注射剂的溶解时间缩短，当助溶剂精氨酸的用量减少了29%25时，依然可以在较短的时间内完全溶解；