本文报道通过亚稳离子和精确质量测定，讨论了1，1—二氯—2—乙氧基—2—芳基烯烃的质谱裂解规律。

A study on the mass spectrometric cleavage of 1, 1—dichloro—2—ethyloxy—2—AryIolefins by metastable ions and precise mass measurement is reported.

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对经过液相色谱分离后的化合物进行源内碰撞诱导裂解(CID)，并对化合物及其碎片离子进行精确质量测定，测定质量与理论质量之间误差不超过2。

With in-source collision induced dissociation (CID) and exact mass measurement, the differences between the calculated mass and the theoretical mass of all compounds and fragments were less than 2.

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但仪器的精度偏低，使对废气测定值的准确性与精确性受到影响。因此，在产品质量上尚需要改善与提高。

But the instrument accuracy is lower, it influenced the accuracy of waste gases measuring data, therefore, the product quality need still improvement and raise.

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