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。

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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。

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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。

youdao

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。

麻省理工公开课 - 固态化学导论课程节选

What it does have (and must have, as a starting point for the diamonds) is lots of coal: dirty, high-sulfur-content coal, which feeds 75% of the country's primary energy requirements.

FORBES: Hitting The Gas