Objective To study the sensitivity coefficient of human stomach cancer and esophagus cancer to chemotherapeutants and provide reference for doctor screening the effective chemotherapeutant.

目的研究胃癌、食管癌细胞对常用化疗药物的敏感率，为临床选择有效的化疗药物提供参考。

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The copper-clad invar sheet material prepared by use of said method has the low coefficient of expansion, good radiating capability, large capacitance and good electromagnetic screening effect.

利用本方法制备的覆铜因瓦片材，具有热膨胀系数低，散热性好，电容量大，电磁屏蔽性好；

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