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- light ethylene tar 轻质乙烯焦油
- The results indicate that,It works stability, convincible and quickly, Precision is high, the result of density of ethylene tar is well. 结果表明,U型振动管密度计工作稳定,方便快捷,测量精度高,用于乙烯焦油密度的测定效果较好。
- The Study about Density of Ethylene Tar by U-shaped Vibrating Tube U型振动管法测定乙烯焦油密度的研究
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- Keywords Field desorption mass spectrometry（FDMS）;mesophase pitch;mass spectrometry;decant oil mesophase pitch;ethylene tar residue mesophase pitc; 场解吸质谱（FDMS）;沥青中间相;质谱;澄清油沥青;乙烯渣油沥青;
- The portrait shows fine effects of light and shade. 这幅肖像画的浓淡色调表现得很好。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Now I begin to see light on their good intentions. 现在我对他们的良好动机开始有所领会了。
- The bright light of the car dazzled me. 这汽车的灯光使我目眩。
- Besides, since blending ethylene tar in feed, in coker gasoline the contents of n-hexane and aromatics increase, while the content of n-nonane decreases; 掺炼乙烯裂解焦油后，对焦化汽油馏分中，正己烷等直链饱和烃类增加，芳香烃类的含量有所增加，而正壬烷等直链饱和烃类有所减少；
- He turned off the dash light and drove on. 他关掉仪表板上的灯，继续驱车前进。
- The light was diffused by the leaves. 树叶使光线漫射。
- I grope for the light switch in the dark room. 我在黑洞洞的屋里摸索著寻找电灯开关。
- The light bulb in the kitchen burnt out. 厨房里的电灯泡烧坏了。
- A strong light impinged on his eyes. 一道强烈的光刺着他的眼睛。
- He can see a glimmer of light through the curtain. 他能透过窗帘看到一丝微光。
- She runs up the stairs with a light graceful step. 她以轻快优雅的步子奔上楼去。
- We troubled him to turn on the light. 我们麻烦他打开电灯。
- heavy ethylene tar 重质乙烯焦油
- A crepehanger usually sees life in a gloomy light. 悲观者常以沮丧态度来看人生。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
