The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
The surface area and micro-pore volume decreased as the oxidation degree becoming more serious, while the average pore diameter increased.
随着氧化程度的加深，活性炭的比表面积、微孔体积都减小，平均孔径增加。
The enlargement of hole diameter increased the exposed area and pressure releasing range of bored coal seam, and raised gas drainage amount and discharging effect from holes.
通过扩大钻孔的直径，从而达到增加钻孔的煤层暴露面积和卸压范围，增大钻孔抽排瓦斯量，提高钻孔的抽排效果。
The pore diameter increased as the oxidation voltage increasing, and both basically meet the linear relationship.
孔径随着氧化电压的增大而增大，基本满足线性关系。
The pore diameter increased as the oxidation voltage increasing, and both basically meet the linear relationship.
孔径随着氧化电压的增大而增大，基本满足线性关系。
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