Oxygen and carbon dioxide from the air enter through the stoma.
氧和二氧化碳从空气中进入气孔。
Oxygen and carbon dioxide from the air enter through the stoma.
树吸收二氧化碳，释放氧气，从而保持空气清新。
The elemental changes of PANbased CF were mainly denitrogen besides loss of oxygen and carbon.
PAN基炭纤维在活化过程中的元素变化主要以脱氮为主，其次为氧、碳；
The monitors are used to track vital signs, as well as oxygen and carbon dioxide levels, in patients.
这种监护仪用于追踪患者的生命体征以及氧气和二氧化碳的含量。
The fast and parallel monitoring of oxygen and carbon dioxide in respiratory gases is chosen as a study example.
选取呼吸气体中氧和二氧化碳的快速平行检测为研究实例。
Your body's ability to exchange oxygen and carbon dioxide increases and it can deliver nutrients to your muscles.
身体中氧气和二氧化碳的置换功能开始增加，而且身体开始运送营养物质到肌肉中去。
There were no effects of open chest surgery upon anatomical dead space or metabolism of oxygen and carbon dioxide.
剖胸本身对解剖死腔和氧及二氧化碳代谢无重要影响。
Saturn's second-largest moon Rhea has a thin atmosphere filled with oxygen and carbon dioxide, scientists said today.
科学家今天声称，在土卫五——土星的第二大卫星星—一层稀薄的大气中含有氧气和二氧化碳。
Doctors say that over time the damage interferes with the natural exchange of oxygen and carbon dioxide in the lungs.
医生表示，久而久之，肺部的这种损坏会干扰肺部氧气和二氧化碳的自然交换。
In larger stars, pressure at the core is high enough to fuse heavier elements such as oxygen and carbon, creating more photons.
对于更大的恒星，核心的压力大得足以使更重元素进行聚变反应，比如氧和碳元素，它们将创造更多的光子。
They said that their experiments showed that raising or lowering oxygen and carbon dioxide levels in the blood did not produce that reaction.
研究人员称，实验表明，提高或降低血液中氧气和二氧化碳的含量不会导致那种反应。
Authigenic carbonate oxygen and carbon isotope evidence in lake sediment is an important proxy to reflect lake environment and climatic change.
湖泊自生碳酸盐碳氧同位素变化是反映内陆湖泊水环境与气候环境的重要指标。
Oxygen and carbon are important nonmetallic impurities in silicon crystals. Notably, the characteristics of silicon crystal are affected by them.
硅中碳和氧是重要的非金属杂质，它们对硅单晶的性质有着重要影响。
The carbonized base material is then activated by a second heat - steam treatment (200-1600 C) while regulating oxygen and carbon dioxide levels.
炭化的基础材料，然后激活第二热-蒸汽处理（200-1600C），同时调节氧气和二氧化碳的含量。
The stable isotope of hydrogen, oxygen and carbon are reinterpreted. The relationship between isotope constituent and paleoenvironment is understood.
对凹凸棒石粘土矿床矿物碳、氢、氧稳定同位素组成提出新的解释，认识同位素组成变化与古环境的关系。
The world's first closed-loop engine, with thrust of about 7 tons and using liquid oxygen and carbon-hydrogen propellant, was installed in booster L.
世界上第一台可提供7吨推力的闭合回路液氧碳氢推进剂发动机被安装到L助推器上。
The first native liquid-fueled rocket engine used a liquid oxygen and carbon-hydrogen propellant, provided 5.6 tons of thrust, and was installed in unit e.
第一个使用液氧碳氢推进剂的国产液体燃料火箭发动机被安装在了火箭的E段上，它可以提供5.6吨的推力。
The convective diffusive problems of oxygen and carbon dioxide in human airway at normal respiratory status were studied theoretically in the present paper.
我们探讨了正常呼吸状态下人体气道内氧及二氧化碳对流扩散问题。
The environment change reflected by authigenic oxygen and carbon isotope coincides with the environment change in north of China and China sea in the same period.
安固里淖自生碳酸盐碳氧同位素反映的环境变化与我国北方地区的全新世环境以及海平面的变化基本一致。
Surface smoothness, oxygen and carbon contaminants were enough to explain deviations of calibrated sensitivities from the models predictions for metal photocathodes.
同时，阴极表面粗糙度、氧和碳沾污可以解释金属光阴极的实际灵敏度曲线与模型预测的偏离。
One that resuscitates, as an apparatus that forces oxygen or a mixture of oxygen and carbon dioxide into the lungs of a person who has undergone partial asphyxiation.
使人恢复知觉的东西，如一种仪器，迫使氧气或氧气与二氧化碳的混合物进入窒息的人的肺中。
The diagnosis is made on the basis of lung function tests, chest X-ray, measurement of the levels of blood oxygen and carbon dioxide, examination of the sputum and other tests.
诊断的基础上作出的肺功能测试，X线胸片，测量水平的血液氧气和二氧化碳，考试的痰液和其他的测试。
Blood gas analysis used to determine blood oxygen and carbon dioxide excretion function, ECG and cardiac ultrasound to confirm the ability to withstand open-chest heart surgery.
血气分析用以判断血中氧和二氧化碳的排泄功能，心电图和心脏超声检查以确认心脏能否承受开胸肺切除手术。
The new preservatives through using the beneficial bacterium had more advantages than general antiseptic to promote oxygen and carbon dioxide gas exchange. They had broad application prospects.
利用有益菌研究发防腐剂较一般的防腐剂能更好地促进氧气与二氧化碳气的交换，有广阔的应用前景。
The oxygen and carbon isotopic samples are collated at two per mm along the mill finish down the growth axis, and tested at an interval of four samples, get 624 pairs of isotopic data altogether.
在沿石笋生长中轴切开的光面上，按每毫米2个样点进行取样，隔样检测氧、碳同位素，共获取624组同位素数据。
A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本的化学物质，如碳、氧和氮。
A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本的化学物质，如碳、氧和氮。
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