氧气

人吸入氧气，呼出二氧化碳。

Humans take in oxygen and breathe out carbon dioxide .

一切生命归根到底都要依赖氧气。

All life depends ultimately on oxygen .

植物吸收氧气。

Plants absorb oxygen .

臭氧是一种非常活跃的氧气形态。

Ozone is a highly reactive form of oxygen gas .

抽烟与酗酒有碍身体处理氧气的能力。

Smoking and drinking interfere with your body 's ability to process oxygen .

密封的飞机内很少需要补充氧气。

Supplementary oxygen is rarely needed in pressurized aircraft

潜水员向海岸走去时，铅坠和氧气罐使他们步履维艰。

Lead weights and air cylinders encumbered the divers as they walked to the shore

花草树木会过滤掉空气中的二氧化碳并制造氧气。

Plants and trees filter carbon dioxide out of the air and produce oxygen .

血液是将氧气输送到人体各个部位的媒介。

Blood is the medium in which oxygen is carried to all parts of the body

体内所有的细胞与组织都从增加的氧气吸入量中受益。

All the cells and tissues in the body benefit from the increased intake of oxygen .

如果只是在晚上头疼，那常常是由于缺乏新鲜空气和氧气的缘故。

If headaches only occur at night , lack of fresh air and oxygen is often the cause

如果所有的冠状动脉均没有较大的阻塞物，心脏各部分将得到等量的氧气。

If all the coronary arteries are free of significant obstructions , all parts of the heart will receive equal amounts of oxygen .

水由氢气和氧气组成。

Water is composed of hydrogen and oxygen .

在海拔高的地方氧气很少。

There is little oxygen at high altitudes .

火箭中的爆炸性混合物由燃料和氧气构成。

The explosive mixture in a rocket consists of both a fuel and a supply of oxygen .

覆盖地球的森林通常被称为"地球之肺"，它们通过释放氧气为我们提供了可呼吸的空气。

Often described as " the lungs of the planet " the woods that cover the earth offer us the gift of breathable air by releasing oxygen .

浮游植物生活在海洋表面,它们在释放氧气的同时将二氧化碳吸入海洋。

Phytoplankton live at the ocean surface , where they pull carbon dioxide into the ocean while giving off oxygen ．

做心肺复苏术时,你要按压病人的胸部,使血液在其体内流动并将氧气带到各个器官。

To do CPR , you press on the sick person 's chest so that blood moves through the body and takes oxygen to organs ．

户外锻炼时你的身体要学会深呼吸,让肌肉和大脑吸收更多氧气。

If you exercise out of doors , your body will learn to breathe more deeply , allowing even more oxygen to get to your muscles and your brain ．

如果你呼吸的空气是干净的——倘若你远离城市的雾霾，空气应该是干净的——那么空气里满是让人充满活力与生命力的氧气。

If the air you 're breathing is clean-which it would be if you 're away from the smog of cities-then the air is filled with life-giving , energizing oxygen ．

它们很重要,因为雨林中的植物能制造氧气。

They are important because the plants in the rainforests make oxygen .

我们需要氧气来呼吸。

We need oxygen to breathe .

向氧性：一种刺激方向为氧气的向性运动

Aerotropism A TROPISM in which the orientating stimulus is oxygen .

介绍一种用氧浓度仪检测的方法来检测氧气管道泄漏

We introduce a method of examining oxygen pipeline divulgence using oxygen concentration meter .

研究人员们发现，鼩类和鼹鼠进化出了在肌肉中储存更多氧气的能力。

They discovered shrews and moles had evolved the ability to store much more oxygen in their muscles .

全球卫生系统都急需呼吸机来帮助治疗最危急的新冠患者。患者的肺部严重发炎或者充满黏液无法自主呼吸时，主要依靠呼吸机辅助呼吸，从而在病人康复期间确保有足够的氧气持续在体内循环。

Health systems around the world are in dire or full to work by themselves and thus ensure enough oxygen is continuing to circulate around the body as the patient recovers .

1989年，美国国家航空航天局进行了著名的清洁空气研究，以观察普通室内植物除了吸收二氧化碳和释放氧气之外，是否还能通过排除毒素来净化室内空气。当时的研究证明这种方法起到了作用。

In 1989 , NASA conducted its famous Clean Air Study to see whether common houseplants might purify indoor air by removing toxins1 in addition to absorbing carbon dioxide and releasing oxygen .

氧气-乙炔火焰法在Al2O3陶瓷上沉积金刚石薄膜

Deposition of Diamond Films on Alumina Ceramics by Oxygen-Acetylene Flame

X射线衍射结果表明，衬底温度和氧气流量对薄膜的生长有很大的影响。

The results show that the substrate temperature and oxygen flow rate strongly affect the lead oxide growth and its properties .

其中聚碳硅烷（PCS）中的活性基团和碳纤维的化学反应并不严重，而微量的氧气和杂质对碳纤维的化学损伤影响很大；

However , the oxygen and impurities can hurt carbon fibers largely .