Global Concentration

State of the art of global monitoring of CO_2 concentration, especially of CO_2 back-ground concentration is presented.

较系统地介绍了大气中CO＿2浓度（主要是CO＿2大气背景浓度）的全球监测进展现状。

互联网摘选

Nicholas Curtis, Lynas executive chairman, said the deal would "increase global supply and diminish concentration of supply out of China".

lynas执行主席尼古拉斯柯蒂斯（nicholas curtis）说，该交易将“增加全球供应，削弱中国之外的供应集中度”。

互联网摘选

Global atmospheric N2O concentration has increased from a pre-industrial value of about 270 ppb to 319 ppb in 2005.

大气中N2O浓度已从工业革命前的270ppb左右上升到2005年的319ppb。

互联网摘选

Advances in global monitoring of co_2 concentration in the atmosphere

大气中CO＿2浓度的全球监测现状

互联网摘选

Global Monthly Average Concentration of CO ( 1981~ 1986, ppbv)

全球CO月平均浓度（1981～1986年，ppbv）

互联网摘选

The CO2 concentration in free air is one of the main factors which influence crop production. The IPCC ( 2007) pointed out that global CO2 concentration would continues to rise in the future and predict this would lead to global warming.

大气中CO2浓度是影响作物生产的主要因素之一，IPCC（2007）指出未来全球CO2浓度将持续升高并且预测这将可能导致全球气候变暖。

互联网摘选

Such predicted changes in global atmospheric CO2 concentration and climate have led to numerous investigations into how crops as well as natural ecosystems and their dominant species will be affected.

因此，有关CO2浓度升高对各类生态系统的影响的研究引起了广泛关注，成为近年来的研究热点。早期的研究多数集中于考察CO2浓度升高对植物个体水平生长发育的影响。

互联网摘选

Integrated with the advantages of centralized and distributed multi-robot system, a hybrid coordination mechanism was proposed with the characteristic of "global distribution and local concentration".

本文通过对比分析各种协作机制的优缺点，综合集中式和分布式两种多机器人系统体系结构的优点，提出了一套全局分布、局部集中的混合式协作机制。

互联网摘选

Global CO2 concentration keeps rising these years, and CO2 as the substrate of photosynthesis, its changing concentrations play an important role in crop growth and resistance.

全球C02浓度升高已成趋势，CO2作为植物光合作用的底物，其浓度的改变对作物的生长发育以及抗逆性有重要影响。

互联网摘选

The UN's International Civil Aviation Organization ( ICAO) said it would lead moves to develop a global standard for the concentration of ash in the air beyond which it was dangerous to fly.

联合国国际民用航空组织表示会率先开发出火山灰在空中的浓度标准，标准以外的为危险飞行。

互联网摘选