Comparison of active and passive sampling in air

The data contain concentration values of contaminants in air samples. The concentration were determined using two sampling mode: either passive or active followed by thermal...本数据集收录空气样品中的污染物浓度数值。该浓度通过两种采样模式测定：被动采样，或主动采样后接热（原文后续内容未完整给出）。