1. A shear strength formula of Ningming unsaturated expansive soil is put forward as result of regressing the testing result.
并对试验结果进行了数值拟和，由此获得了宁明膨胀土非饱和抗剪强度表[表达]式。
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2. The principle of wet-way purification has been analyzed according to the mineral characteristics and current developing situation of Guangxi Ningming bentonite in this paper.
根据广西宁明膨润土的矿物特性和目前的开发现状，分析了湿法提纯的原理。
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3. The principle of wet-way purification has been analyzed according to the mineral characteristics and current developing situation of Guangxi Ningming bentonite in this paper.
