A very low linear expansion coefficient sample carrier made from invar ensures that temperature change has no effect on the sample position.

由不胀钢制成非常低膨胀系数的样品载台保证温度变化对样品的位置没有影响。

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NOTE: The cell will need to be cleaned in very rare cases, this can happen in cases of high hydrocarbon content in the carrier gas or sample gases.

注意：检测池必须洁净方面成为一个杰出案例，这是在载气或样品气里含有高碳氢化合物容量的偶然案例。

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The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.

并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择，以及试样与溶剂的体积比的选择进行了实验。

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One is a 5% sample of Medicare's so-called "Carrier file, " which captures claims made by physicians.

WSJ: How The Wall Street Journal Crunched the Medicare Numbers