• 借助频度统计、理论分析、专家咨询方法来筛选建立区域生态环境需水评价指标体系

    Then the index system of eco-environmental water demand has been established by three different methods step by step.

    youdao

  • 阐述火山灰活性、烧量、细度需水品质指标粉煤灰质量影响粉煤灰品质提出要求

    Effects of quality index, which are volcanic ash activity, loss on ignition, fineness and water demand ratio, on quality of fly ash are expatiated, the requests to quality of fly ash are put forward.

    youdao

  • 阐述火山灰活性、烧量、细度需水品质指标粉煤灰质量影响粉煤灰品质提出要求

    Effects of quality index, which are volcanic ash activity, loss on ignition, fineness and water demand ratio, on quality of fly ash are expatiated, the requests to quality of fly ash are put forward.

    youdao

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