We started with just the seven metals and carbon plus sulfur, it was the point of departure for Democritus.
我们开始讲了7种金属，还有碳和硫磺，那就是Democritus的起点。
The hydrocracking tail oil possesses the characteristics of higher viscosity index, pour point, viscosity and lower sulfur, nitrogen, impurity content.
加氢裂化尾油粘度指数高，低硫、低氮、杂质含量少，倾点和粘度偏高。
The characteristics of biodiesel is low content of sulfur and aroma hydrocarbon, high content of oxygen, high cetane value and flash point, less hazardous exhaust gas.
它具有含硫量极低、芳香烃含量少、含氧量高、十六烷值高、闪点高和废气逸出少等优点。
Feedstock demands meeting hydrocarbon steam reforming process including impurity contents of olefins, aromatics, sulfur, arsenic and chloride, as well as dry point of light fraction were introduced.
介绍烃类水蒸气转化制氢工艺对原料的要求，加烯烃、芳烃、硫、砷和氯等杂质的含量，以及轻油的干点等。
The viscosity, combustion heat, sulfur content, carbon residue, ash, flash point, moisture and cetane value of biodiesel and its blending oils with diesel were determined.
测定了生物柴油及其与石化柴油的调和油的粘度、燃烧热、硫含量、残炭、灰分、闪点、水分和十六烷值的含量。
A precise calculation of acid dew-point is very important for design of utility boilers, flue gas sulfur removal and tail heating surface transformation.
酸露点是锅炉设计和运行中重要参数之一，目前国内外计算烟气酸露点方法很多，但是不同方法计算结果差异较大。
The Certified Valve Action is a highly-visible liquid paint marker pre-certified to contain low levels of chlorides, halogens, low melting point metals and sulfur.
标准阀动作是一个非常明显的液体油漆标记预认证，含有低浓度的氯化物，卤素，低熔点金属和硫。
The invention relates to a welding rod material for sulfur resisting dew point corrosion steel, in particular to an electrode covering for sulfur resisting dew point corrosion steel.
本发明涉及抗硫露点腐蚀钢的焊条材料，特别涉及一种用于抗硫露点腐蚀钢的焊条药皮。
At least part sulfur is allowed to flow to the subsurface part with the melting point less than that of the sulfur so that sulfur is solidified to form shielding layer.
和允许至少一些硫朝向比硫的熔点低的地层部分流动以在地层中固化硫从而形成屏蔽层。
At least part sulfur is allowed to flow to the subsurface part with the melting point less than that of the sulfur so that sulfur is solidified to form shielding layer.
和允许至少一些硫朝向比硫的熔点低的地层部分流动以在地层中固化硫从而形成屏蔽层。
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