土壤中的有机碳是土壤是否能够保持湿度，提供营养和维持生产能力的重要指标。
Soil organic carbon is a key indicator of how well soil will hold moisture, provide nutrients, and remain productive.
土壤碳库为地球表层系统中最大的碳储库。土壤中的有机碳库对于温室效应与全球气候变化有着重要的控制作用。
The soil carbon pool is the biggest one in the earth surface system and the soil organic carbon (SOC) plays an important role in greenhouse effect and global climate change.
本文主要介绍和评述了近10年来大气气溶胶中的有机碳和元素碳的采样和分析技术的进展，引用参考文献41篇。
Sampling and analytical techniques of organic and elemental carbon(OC/EC) in aerosol during recent 10 years were reviewed with 41 referemes.
放射性碳年代测定法涉及到了化学分析，与文物中残留的有机物成分所释放的放射性碳的含量测定有关。
Radiocarbon dating had to do with chemical analysis, something to do with measuring the amount of radiocarbon that's left in organic stuff.
湿地土壤中的活性有机碳可以为土壤微生物提供更多的有效能量，从而加快湿地生态系统养分循环过程。
Soil active carbon provides more energy for soil microbe and the process of nutrients cycling in freshwater marsh ecosystem is accelerated.
有机碳是保持土壤健康的重要成分，同时也影响着大气中的二氧化碳浓度。
Organic carbon is an important component of soil health and also influences atmospheric carbon dioxide levels.
采用铂催化法对过氧化氢进行自催化处理，非散射红外吸收法测定过氧化氢中的总有机碳含量。
Methods After hydrogen peroxide products were catalyzed by platinum, total organic carbon in it was detected by NDIR.
在植物生长过程中，土壤有机碳和植物生物量都有积累的过程。
The soil organic carbon and plant biomass will be accumulating in plant growth process.
从有机碳吸附常摘要数看，利谷隆具有“中等移动性”，灭草隆、敌草隆具有“较高移动性”，说明它们在土壤中的迁移性较差。
From the organic carbon adsorption constant, linuron had middling transference, diuron and monuron had upper transference, and these showed that they had worse transference in the soil.
从有机碳吸附常数看，多菌灵和噻菌灵均具有“中等移动性”，说明它们在土壤中的迁移性较差。
From the organic carbon adsorption constant, carbendazim and thiabendazole had middling transference, suggesting that they had worse transference in the soil.
本文研究了不同糖脂化合物修饰的脂肪酶在有机溶剂中催化长碳链脂肪酸和脂肪醇的酯化反应。
The esterification reaction of a long chain fatty acid and a fatty alcohol catalyzed by sugar ester modified lipases in organic media was studied.
新近的研究证实，黑碳通过在缓慢的土壤有机碳库中的循环，对全球碳和氧的地球生物化学循环起到极其重要的作用。
Recent findings have revealed the implications of black carbon in global biogeochemical cycles of carbon and oxygen through its contribution to the slow cycling of soil organic carbon pool.
目的：建立测定过氧化氢产品中总有机碳的方法。
Objective: to establish a method for detecting total organic carbon in hydrogen peroxide products.
但由于在曝气过程中会造成水样中挥发性有机物的损失而产生测定误差，因此其测量结果只是不可吹出的有机碳值。
However, due to the aeration process will result in water samples volatile organic compounds arising from the loss of error, so the measurement results Chuichu not only the value of organic carbon.
土壤中的氮素主要以有机氮的形式存在于土壤有机质中， 土壤碳氮比与有机质含量显著相关。
The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM.
碳碳键的形成反应在有机合成中占有非常重要的地位。
Carbon-carbon bond forming reactions are most important transformations in organic synthesis.
土壤有机碳是陆地生态系统碳库中的重要组成部分，对土壤的物理、化学和生物学性质有深刻的影响。
Soil organic carbon plays an important role in terrestrial ecosystem carbon pool, and has profound effect on soil physical, chemical and biological properties.
苔原燃烧也可能释放出更多的有机的碳，二氧化碳目前储存在土壤中，这样将会到大气层中。
Tundra burning may also release more organic carbon, a greenhouse gas currently stored in the soil, into the atmosphere.
采用氧弹燃烧法配合氟离子电极对有机溶剂型和水溶性氟碳漆中氟碳树脂含量的分析方法进行了研究。
The analysis of fluorocarbon resin content in fluorocarbon lacquer by using oxygen bomb burning method with fluorin ion electrode are discussed in detail.
构建土壤有机碳稳定性概念模型，能更系统地理解有机碳在土壤中的稳定机制。
The structure of soil carbon stability conceptual model can be helpful to systematically understand soil carbon stability mechanism.
本文主要介绍有机硼试剂，包括烷基硼烷，烯基硼烷及一些四价硼酸盐类，在碳碳键形成中的应用。
The review deals mainly with the application of organoboron reagents including aikylboranes, vinylborancs and some organoborates in carbon-carbon bond formation.
在石英玻璃、钠钙玻璃和铅晶质玻璃的表面，发现吸附有来自空气中的氮以及有机沾污物的碳。
Absorption of nitrogen from the air and carbon from contaminating substance has been found on the surface of quartz glass, soda-lime glass and lead crystal glass samples.
研究了不同耕作方式下黑土有机无机复合体组成及有机碳在各级复合体中的分布特征。
The paper studies organic mineral complex component and distribution character of organic carbon of black soil under various cultivation pattern.
结果表明，小分子有机凝胶的形成及其稳定性与有机溶剂种类、凝胶因子浓度和凝胶因子中碳链长度密切相关。
It is indicated that the formation and stability of low-molecular weight organogels are related to varieties of solvents, concentrations of the gelators and lengths of alkyl chains.
主要测试无爆炸性之各种固态或液态之纯质有机化合物中的氮、碳、氢、氧及硫之重量百分率。
A primary use of testing the weight percentages of nitrogen, carbon, hydrogen, oxygen and sulfur within a variety of solid or liquid explosive of pure organic compounds.
研究了川中丘陵区紫色水稻土土壤腐殖质碳的剖面分布及其组成特征，探讨了土壤腐殖质与活性有机碳、土壤全氮含量的关系。
The paper studied the distribution of humus carbon in soils sections and the characteristics of humus carbon fraction of purple paddy in Mid-Sichuan Hilly Region.
研究结果表明，在未经有机化处理的情况下，纳米碳管以纳米结构状态分散在基体中，显著地提高了聚醚酮酮的耐热性能，降低了其熔点。
The experimental results show that CNTs dispersed in matrix in the scale of nanometer without chemical processing, then thermal property of PEKK was improved obviously and its melting point reduced.
活性碳滤滤器特别用于电镀液，并且可以从液体中吸附有机杂质，除去多余的矿物质。
Activated carbon filters are especially used with electroplating baths, but also to absorb organic substances, remove foreign metals and regain precious metals from flushing water.
活性碳滤滤器特别用于电镀液，并且可以从液体中吸附有机杂质，除去多余的矿物质。
Activated carbon filters are especially used with electroplating baths, but also to absorb organic substances, remove foreign metals and regain precious metals from flushing water.
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