碳循环

The mechanism of iodoform electrosynthesis was investigated for the electrochemical reaction system of Na2CO3 and KI by cyclic voltammetry on gold electrode and glassy carbon electrode,respectively.

本文采用循环伏安法研究了在Na2CO3溶液介质中KI在金电极和玻碳电极上的电化学行为。

As observed in the Pleistocene, thick intervals of negative δ13C values occur in the Neoproterozoic but are considered to record profound perturbations to the global marine carbon cycle unique to the Neoproterozoic rather than being considered in terms of normal mixed meteoric/marine lithification or decarboxylation.

更新世的观察表明，新元古代存在着一个较长时期的δ13C负值，这些负值记录了全球海洋碳同位素的波动循环是新元古代独有的，而并非通常意义下的大气海洋水混合产生的岩化作用和脱羧基作用。

The electrochemical behavior of luteolin was studied by voltammetry at a glassy carbon electrode in phosphate buffer solution.

应用循环伏安法研究木犀草素于玻碳电极的电化学行为。

GanLe capsule can regulate the engulfing index of little mices serum anthracic,can increase the contain of serum hemolysin,and the contractible thymus by CTX,but it have no effect to the T- lymphopoiesis out of body.

肝脏病理检查发现，肝乐胶囊用药组病理损伤较病毒对照组轻。免疫试验结果表明肝乐胶囊能提高小鼠血清碳粒廓清指数(P〈0.05)；增加小鼠血清循环抗体的含量(P〈0.05)；对抗CTX致小鼠胸腺萎缩的作用(P〈0.001)。

The cyclic voltammetric behavior of platinum-ruthenium alloy catalysts was studied by using the powder microelectrode technique and glass carbon electrode.

利用玻碳电极和粉末微电极测试甲醇在Pt-Ru/C催化剂上的循环伏安曲线。

Cyanobacteria extensively distributed in inland and ocean water are very important for carbon and nitrogen cycle.

蓝藻在水体中分布广泛，对水体中碳、氮循环起到重要作用。

The human disturbance with different strength and the different vegetation type also influenced the number and distribution of carbon and nitrogen cycle genes.

不同强度的人为干扰和不同的植被类型，对土壤微生物碳氮循环基因种类与分布有显著差异。

The research direction such as the carbon and nitrogen cycle in the terrestrial and marine ecosystems and the relationship and influence mechanism between the greenhouse gas and climate change is also introduced.

结合温室气体源汇及其与气候变化，指出了目前应重视的一些研究内容，如研究陆地和海洋生态系统的碳氮循环问题，温室气体浓度变化与气候变化的相互关系以及气候变化机制。

Keywords: nitrogen cycle;heterotrophic ammonia oxidizing bacteria;bacillus;The metabolism of Carbon and Nitrogen

中文关键词：氮素循环；异养氨氧化细菌；芽孢杆菌；碳氮代谢

This paper describes a thermal cycling test in vacuum of antenna paraboloidal reflector, small model and specimen, made of two carbon fibre sheets and one aluminum honeycomb core and gives the approach for predi- cting the permanent distortions.

本文介绍了碳布铝蜂窝制成的天线反射器、小模型及其材料的真空冷热循环试验和永久变形的预示方法。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。