To effectively remove the big and small impurities, guarantee normal operation of machinery and sound environment.

能有效清除待储物料中的大小杂物，以确保设备的正常运行和生产环境的改善。

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Metallic catalysts are highly active, but they're difficult to remove once the reaction is done, leaving small impurities that can nonetheless interfere with a chip's performance.

金属催化剂是高活性的，但一旦它们发生了反应就很难分离出去，留下微小的杂质可能影响芯片的性能。

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Disclosed is a polycarbonate resin which contains an extremely small amount of volatile impurities such as phenol.

本发明提供一种例如苯酚等挥发性杂质的含量极少的聚碳酸酯树脂。

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Then, in 1969, when Intel was developing a 64-bit memory chip for Honeywell, Moore realized the key to getting the chip to function properly was to "dope" the chips with small amounts of impurities.

FORBES: The gentle giant