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。
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。
The influence of the monomer concentration, reaction temperature, concentration of initiator and retention time on the grafted ratio was studied.
通过对聚丙烯进行官能化，并主要研究了反应单体浓度、反应温度、引发剂浓度和停留时间对接枝率的影响。
The influence of the monomer concentration, reaction temperature, concentration of initiator and retention time on the grafted ratio was studied.
通过对聚丙烯进行官能化，并主要研究了反应单体浓度、反应温度、引发剂浓度和停留时间对接枝率的影响。
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