ar 中文名称: 煤焦油煤焦油 英文名称: coal tar 中文名称2:煤膏 CAS No.: 65996-93-2 理化特性 外观与性状: 黑色粘稠液体,具有特殊臭味。 相对密度(水=1 基于4个网页 - 相关网页
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煤焦油是伦敦煤气道路照明几乎无限的副产物,利用便宜量大的煤焦油,染厂于1857年开始生产世界上第一种合成染色材料。
Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.
对煤焦油主要组分进行准确测定,可为煤焦油的综合利用、煤焦油集中加工工艺参数的设计以及煤焦油加工下游产品的开发提供详细的基础数据。
The exact determination of the main components in coal tar can provide basic data for the comprehensive utilization of coal tar and the development of its downstream products.
煤焦油各馏分加工技术的选择,对煤焦油加工厂的整体水平有很大影响。
The selection of process technology of coal tar fraction have an effect on general level of coal tar plant.
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