Concentrates of vitrinite, semi-vitrinite and fusinite are separated from Xinglong- zhuang coal by centrifugal method with heavy liquid.
通过重液离心分离法将兴隆庄煤分为镜质组、半镜质组、丝质组的富集物。
Production situation and market of heavy liquid wax were analyzed. The Suggestions for further development of liquid wax in our country were put forward.
另外，对国内重液蜡生产现状与市场进行了分析，并就今后液蜡生产提出了若干建议。
High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.
以大庆直馏柴油为原料，经异丙醇尿素脱蜡制得纯度较高的重质液体石蜡和低凝点脱蜡油。
High purity heavy liquid paraffin and low condensing point dewaxing oil are produced by urea complex using Daqing crude oil distilling cut as raw materials.
以大庆直馏柴油为原料，经异丙醇尿素脱蜡制得纯度较高的重质液体石蜡和低凝点脱蜡油。
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