被分析物 meaning in English

analyte
assay

General purpose reagent
被分析物特效试剂
Variables affecting polymer morphology ( i . e . , polymerization time , fiber thickness ) and binding - elution of target analytes ( i . e . , solvents , time , temperature ) were studied in detail
详细研究影响聚合物形态（如聚合时间，纤维厚度）及被分析物吸附-洗脱能力（如溶剂，时间，温度）的变量。
The imprinted fiber showing the best performance in terms of selectivity and affinity for triazines was successfully applied to the extraction of target analytes from environmental and food samples
对三嗪环有最强选择性和亲和力的印迹聚合纤维被成功用于从环境和食品样品中提取被分析物。
Even when the oven temperature readout shows that it has reached the required temperature , significant temperature gradients may persist thus causing variations in the temperature experienced by the analytes
即使柱温的显示值达到了设定值，由于实际温度梯度的存在，也会影响被分析物的保留时间。