该系统能快速测定型砂的有效粘土含量和含水量，实现型砂质量的直接控制。
The system can test active clay content and moisture of green sand fast and control its composition directly.
引入有效粘土密度和有效含水率的概念，描述石英砂颗粒之间的粘土基质的物理状态。
The concept of effective density and water content were introduced to describe the physical state of the clay matrix filling between sand particles.
本文基于“双电源二次激励法”的基本原理，并利用人工神经网络技术求得型砂含水量及有效粘土含量。
Based on "Double Powers Exciting Method" and ANN technique, the moisture and the available clay content of green sand can be calculated quickly by the system.
实验结果表明，双电源二次激励法与人工神经网络相结合，可以实现型砂有效粘土含量和含水量的快速在线预测。
It is proved by experiments that DPSEM together with ANNsmakes the fast on line prediction of active clay content and moisture of green sand feasible.
聚丙烯酰胺等高聚物可有效地抑制粘土的水敏性。
High polymers such as polyacrylamide etc. can effectively inhibit water sensitivity of clay.
从而论证了正确认识软粘土的上述固有属性对有效加固淤泥类软土地基的重要性。
The importance of recognizing correctly the properties of soft clay to improve the mucky soft soil ground effectively is verified.
结果：粘土稳定剂对注水井地层提前进行预处理，使注水井压力得到了有效的控制，保持了地层原有的渗透性。
Result Clay stabilizer prelimiarily treats the formation of injection wells, controls efficiently the pressure of injection wells, preserves the permeability of the formation.
结果表明，动电修复技术可以有效地去除粘土中的锌离子。
The results show that electrokinetic remediation can effectively remove zinc ions through the clay.
越来越多的理论研究和工程实践表明，动力排水固结法加固淤泥质饱和软粘土地基是行之有效的。
Dynamic consolidation by drainage was shown effective method of soft clay ground treatment from more and more theoretical research and engineering practice.
据此提出一种确定饱和软粘土有效动强度的方法。
Furthermore, the method of determining effective cyclic strength is suggested.
实践表明：强夯置换法对含石填土层，淤泥质粘土层是一种经济有效的地基加固方法。
The practice has proofed it is a kind of effective and economic way to reinforce the groundsill of combined backfill stone layer with silt and clay.
室内试验成果表明，上海粘土的准先期固结压力较天然有效上复压力大得多。
The results of laboratory tests showed that the apparent preconsolidation pressure of Shanghai clay is higher than the effective overburden pressure.
研究结果表明：提纯和热处理并不能有效的改善凹凸棒石粘土的吸湿性能。
The results show that the purification and the heat treating can not improve the hygroscopic property of attapulgite effectively.
结果表明，供试土壤非交换性钾释放特性和有效性与粘土矿物密切相关。
The results showed that the releasing characteristics and availability ofnonexchangeable K related remarkably to clay minerals.
粘土矿物的柱撑反应是制备孔材料、有机一无机纳米复合层状材料的有效方法之一。
Pillaring reaction has been well known as one of the significant methods to prepar porous materials and inorganic-organic nanocomposites.
粘土矿物的柱撑反应是制备孔材料、有机一无机纳米复合层状材料的有效方法之一。
Pillaring reaction has been well known as one of the significant methods to prepar porous materials and inorganic-organic nanocomposites.
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