Calcium carbonate is a very common nonmetal material that exists in nature widely, and is a traditional inorganic salt product ofchemicalindustry.
碳酸钙是自然界广泛存在的一种很普通的非金属材料，也是一种传统的无机盐化工产品。
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The improvement of catalytic production technology of chlorinated paraffin in SaltChemicalIndustry Genernal Plant of Jianghan Oil Field was introduced as well as the practical results.
介绍了江汉油田盐化工总厂对催化法氯化石蜡生产技术进行改进的情况及应用效果。
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This article describes the way of utilizing all elements of rock salt in Jintan city through chemical reactions, by Jintan Salt-chemical Industry Corporation.