查询词典 carbon

Genetic diversity of carbon-nitrogen cycle was relative to soil organic matters,total nitrogen,carbon-nitrogen ratio,available phosphor and water content with different degrees.

碳氮循环基因多样性与土壤有机质、全氮、碳氮比、速效磷和土壤含水量等生态因子有不同程度的相关。

Soil is a core of terrestrial ecosystem, and soil organic carbon is the main part of terrestrial carbon reservior.

土壤是陆地生态系统的核心之一，土壤有机碳库是陆地碳库的主要组成部分，在陆地碳循环研究中有着重要的作用。

Objective:The electrochemical behaviors of rhein at the multi-wall carbon nanotubes modified glassy carbon electrode have been studied.

目的：研究饮料中大黄酸在多壁碳纳米管化学修饰玻碳电极上的电化学行为。

In this thesis, we want to describe the new one-carbon and three-carbon chain extension and ring expansion of 2-aroyl-3,4-dihydro-2H-naphalen-l-one, which is the first report based on our knowledge.

本文在前人的研究基础上，首次开展了α—芳酰基苯并环己酮增加一个碳原子和三个碳原子的自由基扩环和链增长反应，以及自由基加成成环反应。

Soil labile organic matter and carbon management index are important parameter representing carbon cycle in soil ecosystem. Study on dynamics of them in the artificial Robinia in loess hilly area so as to understand the change and effect evaluation during process of ecological restoration is of great importance.

：土壤碳库管理指数是表征土壤碳变化的重要量化指标，研究黄土丘陵区人工刺槐林土壤活性有机碳与碳库管理指数的变化过程对认识该地区生态恢复过程中土壤质量的演变及其效果评价具有重要意义。

Proton generated from a Cockroft-Walton accelerator in the energy range of 30-100 keV were appropriately collimated and made to pass through a 10 g/cm^2 carbon foil. After Rutherford scattering, proton uniformly irradiated TLDs which were placed at the 20° behind and 20 cm away from the carbon foil. We used a channeltron behind TLD holder as the proton detector.

由Cockroft-Walton加速器提供之质子源，能量在30~100keV间，经准直后通过一10 g/平方公分之碳膜做拉塞福散射，散射后之质子均匀打在置於其后20°的压克力置装器内的热发光剂量计，利用压克力置装器后之一电子倍增器作为量测质子工具。

In orthogonal experiment(L934), We discovered that every combination included varies sources of carbon, sources of nitrogen, pH and salt concentration had great influence on P-solubilizing abilities of 4 PSB strains. Glucose was best source of carbon; all of them could use saccharose and Lx191 could use amylum.

经过对碳源、氮源、pH 值、盐浓度4 水平9 组合的正交试验，发现各种组合对溶磷菌溶磷量都有较大影响，葡萄糖是最好的碳源，氮源、pH 值、盐浓度对溶磷量、pH值、有机酸的影响在不同组合中各菌株表现不同。

Therefore, the study of dynamic transport and flux of organic carbon in salt marsh areas is the key role in ecosystem of salt marsh areas, which is also a neglecting part of global carbon cycle research in coastal zone.

因此，盐沼地区有机碳的动力输移与通量研究在湿地生态系统碳循环中起着关键性作用，也是全球碳循环研究在海岸带比较薄弱的一环。

"When the temperature is this high, the dominant form of carbon should be carbon monoxide, not methane," says Seager.

西格说：当温度这么高的时候，主要形式的含碳成分应该是一氧化碳，而不应是甲烷。

Carbon fiber reinforced concrete can be used to sense temperature owing to the Seebeck effect caused by the p-type conductivity of short carbon fibers.

炭纤维增强混凝土能用来感知温度，其因在于短炭纤维的P型传导性引起的塞贝克效应所致。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。