Certain amount of pitch used as adhesive agent is needed when carbon positive poles are produced in carbon plant.

碳素厂在生产碳阳极时，需加入一定量沥青作为粘合剂。

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But the cost is positive, and a crucial first step to dealing with climate change, therefore, is to charge people for the carbon they emit.

但是，这种成本能带来积极影响，它是与气候变化作斗争的关键性起步，因此，向排放碳的个体收取费用有合理的理由。

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Carbon monoxide has a simple but distinctive outermost orbital structure with two side-by-side lobes sticking out from the end of the tip, one with a positive phase and the other a negative phase.

一氧化碳有很简单且独特的最外层轨道结构，两个并列的叶形从尖端的末梢伸出，一个带正相而另一个是负相。

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Prime Minister Manmohan Singh pledged Sunday that his government will work for a positive outcome at next month's crucial United Nations summit on setting targets for carbon emissions.

VOA: standard.2009.11.08

And what you find out if you do these calculations, is that you have a negative 1 for your formal charge on nitrogen, you have a negative 2 for your formal charge on carbon, and you have a positive 2 for your formal charge on sulfur.

而如果你做了这些计算会发现，氮的形式电荷量为负一，碳的形式电荷量为负二，而硫的形式电荷量为正二。

麻省理工公开课 - 化学原理课程节选

They've made the allegation, certainly, both to the New York Times and in paperwork provided, that the carbon isotope test was positive, but they don't provide the documents that show that.

NPR: Landis Facing Uphill Battle on Doping Charges

Mr Bush, who has made surprisingly positive comments about carbon sequestration and fuel cells, could silence the critics by following suit.

ECONOMIST: The environment

We believe that the Long Carbon Americas and Europe division will continue to be the most valuable division for ArcelorMittal, primarily because of the positive outlook for the price of long carbon steel in the years to come.

FORBES: ArcelorMittal Stock Good For 10% Upside