With the growth of the content and molecular weight of polyethersulfone, its water flux is reducing, and the retention ratio of bovine serum albumin is increasing.
随着聚醚砜相对分子质量和含量增大，膜的水通量减少而对牛血清白蛋白的截留率提高。
The fingerprints of Shenmai injection was established by HPLC, and the relative retention time and peak area ratio of each common peak was determined.
采用高效液相色谱法建立其指纹图谱，确定各共有峰的相对保留时间和峰面积比值。
Melamine peaks meeting the retention time and ion ratio criteria must be compared to the positive tissue control.
即使三聚氰胺的保留时间和离子比符合检出标准也必须和阳性对照样品进行比较。
应用推荐