试验研究了膨润土含量和紧实率对型砂弹性模量值的影响。
And the effects of bentonite percentage and compactibility on elastic modulus of molding sand were experimentally st...
型砂系统中的有效膨润土和失效膨润土含量对其性能有很大影响，而生产中对这两个参数的检测比较困难。
The active and dead bentonite contents in green sand system have great effect on the sand properties, but it is very difficult to measure them in actual shop.
采用单因素分析方法，考察苯甲酸用量、分散剂用量、反应时间等因素对苯甲酸有机膨润土有机物含量的影响。
In the experiment, single-factor analysis was adopted and the influence of the amount of benzoic acid and solvent and the reaction time on the organic con- tent in bentonite was studied.
结果表明，施用膨润土和有机物料能显著地提高砂土土壤含水量和有机质含量，且二者存在明显的交互作用，差异达极显著水平。
The result showed that the use of bentonite and organic matter could improve the content of sandy soil water and soil organic matter. The analysis of variance showed a significant difference.
阴-阳离子有机膨润土有机碳含量与改性所用的表面活性剂浓度、配比和种类有关；
The organic carbon contents of anion-cation organobentonites are also correlated to the type and concentration of anion surfactants exchanged on the bentonite.
结果表明，阴、阳离子表面活性剂共同改性的有机膨润土有机碳含量均大于原土和相应的单阳离子有机膨润土；
The results indicate that the organic carbon contents of anion-cation organobentonites are more than that of natural bentonite and corresponding single-cation organobentonite.
试验表明膨润土中蒙脱土含量越高、固体酸的催化效果越好。
Experiments indicated that the more bentonite contained montmorillonite, the better the solid acid elaborated the catalytic ability.
研究了膨润土采用水力旋流器在较高矿浆浓度下进行分级提纯和压滤脱水的工艺、获得的提纯膨润土产品蒙脱石含量高（达95%以上）。
In this work, the processes for purifying the bentonite suspension with high concentrate by hydraulic cyclone and dewatering, the obtained product by pressure filtration were investigated.
研究了膨润土采用水力旋流器在较高矿浆浓度下进行分级提纯和压滤脱水的工艺、获得的提纯膨润土产品蒙脱石含量高（达95%以上）。
In this work, the processes for purifying the bentonite suspension with high concentrate by hydraulic cyclone and dewatering, the obtained product by pressure filtration were investigated.
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