碳

Soil, as reserve depot of carbon and nitrogen, take extremely important effect during biogeochemistry cycles of C, N and global climatic change.

全球变化是近年来人们关心的热点问题，土壤作为碳、氮的储库，在碳、氮元素生物地球化学循环及全球气候变化中起着非常重要的作用。

The scattering efficiency and phase matrix elements of black carbon and dust aerosols at 400nm and 860nm wavelength were calculated when their radius were 1μm,2.5μm and 10μm.

结果表明：黑炭与沙尘有明显的光学性质差别，沙尘粒子不仅散射效率大于黑碳，而且后向散射比黑碳粒子强。

Mechanism of carbon combustion reaction is deduced based on the flame temperature produced by coke burning in bloomery abdomen.

本文根据炼铁高炉炉腹内焦炭燃烧产生的火焰温度推测碳燃烧反应的机理为：第一步，氧气吸收光子形成游离态氧原子，每摩尔氧气吸收 1mol光子；第二步，碳与游离态氧原子作用生成CO ，每生成 1molCO发出 1mol光子；第三步，CO与氧分子作用生成CO2 ，该步骤既不吸收光子，也不发出光子。

Boreal forests are assumed to be a significant sink of Carbon,but climate change may change this situation.

但是，研究表明未来气候变化将使全球北方林北移，并由目前的大气CO2碳汇转为碳源。

This paper describes the oxidation behavior of boron carbide in air bythermogravity analyses method.The lowest oxidation temperature is 420+10℃.

本文介绍了碳化硼在空气中的氧化行为，用的是热重分析法，测定出碳化硼的最低氧化温度为 420±10℃，高于 560℃氧化加速。

The reaction between the boron carbide and aluminum interface changes the properties of the composites during the post infiltration heat treatment.

碳化硼与铝界面的反应是热处理改变碳化硼／铝复合材料性能的基础。

Boron carbide,friction coefficient,wear rate,tribochemical reaction

碳化硼-碳化硼摩擦副的摩擦磨损特性研究。

In this thesis, we investigate theviability and electronic properties of ultrathin carbon naontubes, aswell as carbon nanotubes doped with boron and nitride atoms usingfirst-principles method which is based on Density Function Theory.

基于密度泛函的第一性原理，本文研究了小管径碳纳米管的稳定性和电子性质，并探讨了硼和氮掺杂对碳纳米管性能的影响。

Several results have been achieved as followings: 1. The response of stable carbon isotope in karst cave system to surface climate and environment This index can distinguish origin forest from other vegetation, but cannot distinguish transitional eco-environment such as bosk, grassplot and rocky desertification.

洞穴系统稳定碳同位素对地表气候环境的响应通过对4个不同生境洞穴系统的研究，认为洞穴系统稳定碳同位素可以很好地将原始森林植被同其它植被类型区分开；但是不能很好地区分植被退化的过渡类型如灌丛、草坡以及石漠化等。

Now a new website called My Emissions Exchange promises to bring the carbon market to your front yard.

而今，有一家叫"碳排放交易平台"的新开网站承诺把碳交易带到你家的前院。

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。