• Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...

    对粘结面采用灌砂法和功率谱法分维对比分析后认为,功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。

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  • This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine.

    简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。

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  • The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method.

    采用高速摄影法和电极触点法,对干砂消失模铸造金属液的充填形态进行了初步研究。

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  • The pilot study was done on the filling shape of liquid metal in lost foam process with dry sand by using rapid photography method and contact time method.

    采用高速摄影法和电极触点法,对干砂消失模铸造金属液的充填形态进行了初步研究。

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