Through the study on the removal of the pigment matters from the neutralized wastewater that restrain ferment during its reuse, an ideal decolorant, I.

研究中和废水回用过程中抑制发酵的色素物质的脱除，确定了理想的脱色材料———粉末状活性炭，并得出最佳的脱色工艺参数。

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This paper introduced the progress of the study on material removal mechanisms in ceramic grinding, some conclusions and Suggestions are given.

本文介绍了陶瓷磨削的材料去除机理方面的研究进展，就其进行了一定的讨论，并得出相关的结论。

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This study concentrates on simultaneous removal of trace selenium and trace arsenic in the process of medium temperature dry flue gas desulfurization (MTD-FGD).

本文对中温干法烟气脱硫过程联合脱除有毒痕量元素硒、砷的问题进行了研究。

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In Michigan, Heller did a study four years ago on the long-term implications for state coffers following removal of the sales-tax exemption on precious-metals coins.

FORBES: Coin Community Fears Damage From Repeal Of Sales-Tax Exemptions; Maryland Current Battleground