Determination of total carbon content 总含碳量的测定 ; 总碳含量的测定 ; 含碳总量的测定
total organic carbon content 总有机碳含量 ; 总有机碳量 ; 有机碳含量
total carbon dioxide content 二氧化碳总含量
About 90 percent of the world's total carbon content has settled to the bottom of the ocean, primarily in the form of dead biomass.
全世界的碳有90％沉积在海底，主要都是通过这种方式进行的。
The study examined the total contents of soil organic carbon and the content of soil active organic carbon and stable organic carbon in farmland, grassland, scrub and forest ecosystems.
本研究分析了子午岭林区农田、草地、灌丛和森林不同生态系统土壤总有机碳、活性有机碳和稳定性有机碳含量。
The results showed that straw application increased crop yield, soil organic carbon accumulation, soil total nitrogen and phosphorus content as well as phosphorus activation.
结果表明，秸秆还田提高了作物产量，增加了土壤有机碳积累和土壤氮磷含量，且能活化土壤磷素。
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