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petroleum gas 石油气

petroleum wax 石油蜡;石蜡

petroleum tar

  • 石油柏油

网络释义专业释义

  石油焦油

标 识 中文名:石油焦油 英文名:petroleum tar 分子式: 分子量: UN 编号:1999 危货号:32192 RTECS 号: CAS 号: 理 化 性 质 性状:褐色至黑色油状液体。 熔点/℃: 溶解性:

基于236个网页-相关网页

  开始制造焦油

...最早的玻璃制作 •前1300年:二阶代数方程出现 •前1258年:世界已知最早的和帄条约 •前1000年:开始制造焦油Petroleum tar) •波斯人、希腊人 •古埃及亡于罗马帝国 – 31BC –屋大维打败克列奥帕特拉七世 –埃及成为罗马帝国的一个行省 古印度文明 •时...

基于24个网页-相关网页

  [油气] 石油柏油

... petroleum sulfonate 石油磺酸盐 petroleum tar 石油柏油 petroleum technology 石油工艺 ...

基于18个网页-相关网页

短语

petroleum m tar 石油焦油

  • 石油柏油
    石油焦油

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句权威例句

  • A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch.

    石油沥青和煤沥青中制取沥青中间相物质。

    www.dictall.com

  • The separation and purification processes of 2, 6-dmn from coal and petroleum tar are reviewed.

    综述了煤焦油石油分离提纯2,6 -二甲基萘工艺

    www.biodic.cn

  • The utilization and the prepartion methods of 2,6-DMN are introduced. The separation and purification processes of 2,6-DMN from coal and petroleum tar are reviewed.

    本文介绍了2 ,6 -二甲基用途制备方法综述了煤焦油石油分离提纯2 ,6 -二甲基工艺

    www.chemyq.com

更多双语例句
  • And even the black goo used by the ancient Romans to lubricate their chariot axels was a petroleum-based form of natural tar.

    FORBES: Peak Oil and ERoEI: Still Nonsense

  • And Canada is still fighting for an exemption from a rule inserted into the 2007 Energy Independence and Security Act that bars the American government from buying fuels whose production causes more greenhouse-gas emissions than conventional petroleum sources, as producing oil from tar sands does.

    ECONOMIST: Stephen Harper looks to Washington, not Alberta

  • Given the extent to which sand, tar or murderous thugs get in the way of petroleum production, it's no surprise that Shell's engineers see salvation in natural gas.

    FORBES: Companies, People, Ideas

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