通常采用的涂层包括:环氧树脂, 煤焦油衍生物和无锌底漆.
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The results concluded that coal tar colors were not detected in fifty samples.
本调查系本局之比较检验,曾于八十七年三月三日发布新闻在案.
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电捕焦油器是冷煤气站采用的高效净化设备.
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It's based on a blend of high quality coal tar and vinyl resin. Physically drying.
一种高质量焦油沥青和乙烯基树脂的混合物, 属物理干燥型.
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In the optimum condition, the ratio of low temperature carbonization tar was no more than 15 %.
结果表明,在最佳工艺条件下, 低温煤焦油加入量不能超过15%,共熔物制油转化率可达86%.
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Annual sales: steel, Crude Benzol, Coke, tar, ammonium sulfate, and so on.
常年销售: 钢材, 粗苯, 焦碳, 焦油, 硫酸铵等.
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One byproduct he worked with was coal tar , which , when distilled, produced naphtha.
他试验用的一个副产品是煤焦油, 煤焦油经过蒸馏生成石脑油.
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The research tar surface active spot is studies the tar and the methane action mechanism foundation.
研究煤焦表面的活性位点是研究煤焦与甲烷作用机理的基础.
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凭借在含油砂地区的积极投资,加拿大已超越沙特,成为美国第一大供应国.
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