氧气

It is closely associated with lung function decline and is not always associated with low oxygen in the blood.

它同联系在一起严密肺脏功能衰落和总不同联系在一起低氧气在血液。

Rise to answer a phone call and stretch your body with a deep breath at the same time to get the oxygen-rich blood flow through your brain.

站着打电话借机舒展舒展筋骨，一边深呼吸，使富含氧气的血液流进大脑。

Objective To observe the effect of intermittent atomization on COPD complicated by pulmonary infection.

目的观察氧气间歇雾化吸入法应用于COPD合并肺部感染患者的效果。

The vivid green and purple auroral colors are caused by high atmospheric oxygen and hydrogen reacting to a burst of incoming electrons .

那鲜艳的绿色和紫色是由飞速而来的带电粒子轰击着高层大气中的氧气和氢气而生成的。

The first step of the process includes the aerobic oxidation of reduced nitrogen compounds to nitrite and nitrate by specialized, autotrophic bacteria.

第一过程的步包含生存于氧气中的氧化的减少的氮是经过专门，靠无机物质生存的细菌混合特别是向亚硝酸根和硝酸盐铵。

The experimental results indicate that the autoxidation of phosphine has two types of reaction operating at the same time: a free radical chain reaction and the direct reaction between phosphine and oxygen.

实验结果表明，膦化物在燃油介质中的氧化反应有两种反应类型同时进行，即：自由基链反应及膦化物与氧气的直接作用。

A new view about the porous growth is put forward, which indicates the evolution of oxygen in barrier layer results in the original porous embryo.

提出了在阻挡层的生长过程中，氧气的析出是造成多孔产生的新观点，并从不同电解液角度进行了论证。

Now Angela Belcher of the Massachusetts Institute of Technology and her colleagues have succeeded in mimicking the first part of photosynthesis by using a genetically modified virus to help split water into hydrogen and oxygen.

现在麻省理工学院的安吉拉。贝尔切和她的同事们成功模拟出了光合作用的第一部分，他们使用一种基因改良的病毒来促进水分解为氢气和氧气。

While hydrogen obtained from water is the gas that would be used as a fuel, the splitting of oxygen from water is the more technically challenging "half-reaction" in the process, Belcher explains, so her team focused on this part.

这种方法使产生氧气的效率提高了4倍，研究人员希望能够找到同样的以生物学为基础的系统来完成这个反应的另一半过程——分离氢气。目前，从水中分离的氢被分成质子和电子。

This may imply a special benthal cementation and a normal, shallow marine environment may be an insufficient oxygen environment, in the Precambrian (about 100 Ma).

独特的产出特征表明了前寒武纪（约1 000 Ma左右）的正常高能浅海环境似乎还处于一种氧气不充分的环境。

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。