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.
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