二氧化碳

In 1955, Keeling devised an instrument that could measure concentrations of carbon dioxide in all kinds of environments, from sooty city rooftops to pristine wilderness forests.

作出这个曲线图的是一位坚持不懈、孤身作战的科学家：查尔斯基林（2）。1955年，基林设计了一台可以用来测量在任何环境中的二氧化碳含量的机器，不管是黑烟笼罩的城市屋顶，还是亙古蛮荒的森林。

In 1955, Keeling devised an instrument that could measure concentrations of carbon dioxide in all kinds of environments, from sooty city rooftops to pristine wilderness forests.

作出这个曲线图的是一位坚持不懈、孤身作战的科学家——查尔斯基林（2）。1955年，基林设计了一台可以用来测量任何环境中的二氧化碳含量的机器，不管是煤烟熏黑的城市屋顶，还是原始蛮荒的森林。

Company's existing equipment: carbon dioxide protection welding machine 10 Units, 4 Units communicate welder, punch 1 Units, Hydraulic Bending°Units one, two Knurling Machine, plate bending Units 2 and so on.

公司现有设备：二氧化碳保护焊机10台，交流焊机4台，冲床1台，剪板折弯液压机1台、滚花机两台，压弯板二台等设备。

Art of lavement of high capacity complete lung is the method of a kind of safety, effective remedial dirt pneumonia, but art hind is easy appear the complication such as retention of disease of low oxygen blood, carbon dioxide, home undertakes oxygen cure in the convention after art only.

概要： 大容量全肺灌洗术是一种平安、有效的治疗尘肺病的方法，但术后易出现低氧血症、二氧化碳潴留等并发症，国内只在术后常规进行氧疗。

A Lowy poll this week found that 72% of those questioned thought Australia should take action to reduce carbon emissions before a global deal is reached.

本周该智库进行的一项民意调查结果显示，72%的民众认为在达成全球共识之前，澳大利亚应该采取措施减少二氧化碳排放量。

CO2 for the compressors lubrification in particular polyolester (POE oil and polyalkylglycol oils there are still uncertainties in the definition of an optimized oil in relation to the various applications.

二氧化碳的压缩机润滑（特别是polyolester功能的石油和polyalkylglycol所油）仍然存在着不确定性的定义，一个优化的石油有关的各种应用。

Dimethyl carbonate is synthesized directly from carbon dioxide and methanol in the presence of magnesium methoxide .

报道一种在甲醇镁作用下，由二氧化碳及甲醇直接合成碳酸二甲酯的反应过程。

The direct synthesis of dimethyl carbonate from methanol and carbon dioxide using another basic catalyst, potassium methoxide in the presence of CH〓I as a promoter was investigated.

除了用甲醇于二氧化碳合成DMC以外，我们又对以甲醇与尿素为原料合成DMC的路线进行了尝试，筛选出了两个离子液体Et〓NHCl-FeCl〓和emimBr-ZnCl〓作为用甲醇与尿素为原料合成DMC的高效催化剂，研究了各种反应条件如原料的比例、催化剂的添加量、反应的温度等对反应的影响，得到了所报道的在间歇釜中经一步反应合成DMC的最高产率（27％和26％左右）。

Carbon dioxide ; Methanol ; Dimethyl carbonate ; Supported nickel methoxide complex ; SiO\-2 support

二氧化碳；甲醇；碳酸二甲酯；负载型镍甲氧基配合物； SiO2载体

The results indicated isoprene was soon consumed under the condition of excess ozone. During the reaction, the major carbonyl products formed were methyl vinyl ketone, methacrolein, methylglyoxal, and formaldehyde. Formic acid, CO and CO2 were also among the products.

在反应温度(294±2)K，压力为1.01×10^5Pa空气，O3过量的条件下，异戊二烯很快反应完全，反应中生成的羰基产物主要包括甲基丙烯醛、甲基乙烯基酮、丙酮醛和甲醛；产物中还包括甲酸、一氧化碳和二氧化碳。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。