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中文摘要：
高岭石的径厚比,在高岭土的许多应用领域都是-个重要参数,目前尚未有很好的仪器和技术对其进行精确测量.以电阻法为原理对颗粒粒度的测量,反映了电阻的变化与颗粒体积和形貌之间的关系,可以此为基础进行高岭石径厚比计算.通过对以电阻法为工作原理的库尔特仪测试输出数据和图形的详细分析,发现其输出的电脉冲高度反映颗粒的体积,电脉冲宽度反映通过小孔的颗粒长度,并通过与标准球形颗粒脉冲数据进行对比,建立了高岭石径厚比测算公式AR=3/2（n＋W-Wn/Wn＋1-Wn/L）^3通过实例分析,验证了该方法的精确性.
英文摘要：
Aspect ratio of kaolinite was an important parameter in many areas of kaolin application,however, the appropriate instruments and techniques to measure it have not been put forward so far.The principle of re-sistance method for grain size measurement reflects the relationship of resistance changes with the particle size and morphology,based on that,the aspect ratio of kaolinite can be calculated.Through detailed analysis of the output data and graph of Coulter Counter instrument worked on resistance law,it was found that the output e-lectrical pulse height reflects the volume of a particle,the electrical pulse width reflects particle length through the hole,and by comparing with standard spherical particle pulse data,the aspect ratio calculation formula of kaolinite was established:AR=3 ? n+ W-Wn ? 3 Wn+1 -Wn .The accuracy of this method was verified by case study.
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