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1·Nevertheless, the combined carbon content and isotope analyses of micro-carbonate in metamorphic rocks can be used to make a distinction in origin between sedimentary and igneous protoliths.

不过，变质岩中微量碳酸盐的碳含量和碳同位素比值分析能够对原岩类型提供有效的判别。

2·Contrary to the conventional view that human activities damage the environment, Glaser says, Black carbon combined with human wastes is responsible for the richness of Terra Preta soils.

与人类活动破坏环境的传统观点相反，格拉泽说：“与人类排泄物结合的黑碳是黑土高地土壤肥沃的原因。”

3·The team suggests the loss of trees from the two droughts combined could offset the increases in carbon uptake the forest experienced during the intervening non-drought years.

小组称两场干旱中死去树木会抵消在两场干旱期间森林所增加的碳含量。 这项研究仅仅代表了一种最初的估计具有显著的不确定性，研究者承认道。

4·The acetogenic bacteria directly convert all of the carbon in sugar into acetic acid, which is then combined with hydrogen to produce ethanol without the carbon losses, the firm claims.

ZeanChem声称，乙酸细菌直接将所有糖中的碳转化成乙酸，然后与氢结合生成乙醇而没有碳的损失。

5·Carbon dioxide is bubbled into water, and then combined with mineral ions to make solid carbonate materials.Enzymes in the yeast help the mineralization process.

于是他们把二氧化碳通入水中，与矿物离子混合，再加入改造后的酵母菌，其中含有的酶能够促进矿化过程。

6·Carbon dioxide is bubbled into water, and then combined with mineral ions to make solid carbonate materials. Enzymes in the yeast help the mineralization process.

于是他们把二氧化碳通入水中，与矿物离子混合，再加入改造后的酵母菌，其中含有的酶能够促进矿化过程。

7·Project Goals: Develop a combined microbial and electrochemical catalytic system that converts hydrogen and carbon dioxide into butanol, and find a chemical method to convert butanol into jet fuel.

项目目标：将微生物与电化学催化系统结合起来，利用氢气和二氧化碳生产丁醇，再利用化学方法将丁醇转化为航空燃料。

8·Already, we are chopping them down so fast that it is causing 25 percent of man-made carbon emissions every year — more than planes, trains and automobiles combined.

雨林已在减少，我们砍伐雨林的速度是这么地快，每年因雨林消失造成25%的人为二氧化碳排放，其排放量超过了飞机，火车和汽车排放量的总和。

9·The ions and electrons met at the cathode, and combined with the oxygen to form lithium oxide that filled the pores in the carbon.

离子和电子在负极相遇，和氧气结合从而形成填入碳层的锂氧化物。

10·Combined heat and power technology could be key to cutting energy consumption and carbon emissions, according to researchers from Southampton University.

根据南安普顿大学研究者认为，这种结合了热和电的技术对削减能源消费和碳的排放很关键。