• This paper studies the fertilization of gangue weathering matter centered around its serious deficiencies in organic active matter and available nutrients.

    围绕煤矸石缺乏有机活性物质有效养分问题矸石山复垦种植时,施肥作了试验研究

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  • Then, through organic combination of rock mass block index and absolute weathering index in the general sector scope table, the quantitative method of GSI is constituted.

    岩体指数绝对风化指数地质强度指标区间范围概化表上有机结合起来构成了GSI定量确定方法

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  • Then, through organic combination of rock mass block index and absolute weathering index in the general sector scope table, the quantitative method of GSI is constituted.

    岩体指数绝对风化指数地质强度指标区间范围概化表上有机结合起来构成了GSI定量确定方法

    youdao

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