To fit the displayed columns exactly to the width of the calendar area, double-click any vertical line between two date boxes.
要使显示的列正好适应日历区域的宽度，请双击两个日期框之间的任一竖线。
It is studied to measure the efficiency of gas chromatographic packed columns with the linear relationship between peak width and retention time.
利用半峰宽与保留时间的线性关系，对气相色谱填充柱柱效能的测定作了进一步的研究。
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