Comparing method with lead acetate sedimentation analysis, the determination result of the former is more accurate.
与常用的醋酸铅沉淀法相比, 测定结果虽稍高一点,但更接近烟叶中多酚的实际含量.
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Introduced sedimentation analysis, mine prospecting and geostatistical analysis three methods for coal seam scouring zone forecasting.
介绍了沉积分析法 、 矿井物探法以及地质统计法三种煤层冲刷带预测方法.
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