retention time ratio

基本解釋

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時間和離子比符合檢出標準也必須和陽性對照樣品進行比較。
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The influence of the monomer concentration, reaction temperature, concentration of initiator and retention time on the grafted ratio was studied.
通過對聚丙烯進行官能化，并主要研究了反應(yīng)單體濃度、反應(yīng)溫度、引發(fā)劑濃度和停留時間對接枝率的影響。
The fingerprints of Shenmai injection was established by HPLC, and the relative retention time and peak area ratio of each common peak was determined.
采用高效液相色譜法建立其指紋圖譜，確定各共有峰的相對保留時間和峰面積比值。