selective evaporation 分馏
For common matrix elements, no obvious effects on transport and vaporization of analytes were found owing to selective evaporation between analyted and matrix elements during the heating cycle.
对常见基体元素，由于热循环中基体与待测元素之间的选择挥发，对待测元素的蒸发和传输过程无明显影响。
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