The drilling waste being injected to underground by hydraulic fracturing is the optimal treatment method of drilling waste on offshore oilfield for its low costs and zero discharge of waste.

通过井下水力压裂方式将钻井废弃物回注到地下是目前海上油气开发钻井废弃物处理最优方法，不仅成本低，而且可以实现废弃物零排放。

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A diagnosis method of zero-value insulator based on electromagnetic wave detection is put forward, namely partial discharge detection method jointly using UHF and HF.

提出了一种基于电磁波检测的零值绝缘子诊断方法，即联合采用基于(特高频)uhf和(高频)HF的局放电流检测方法。

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The method realizes the reutilization of the wastewater of the process of producing the rare earth chloride and the zero discharge of the wastewater of the process.

做到了氯化稀土生产工艺废水的再利用，实现了工艺废水的零排放。

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