如果这个理论是正确的，那么吸入含有额外二氧化碳的空气应该会引起打哈欠，而吸入纯氧应该可以抑制打哈欠。
If the theory was correct, breathing air with extra carbon dioxide should have triggered yawning, while breathing pure oxygen should have suppressed yawning.
当志愿者在正常的空气中、纯氧的环境下，或者混有超过正常的二氧化碳含量的空气中呼吸时，他们被要求要想着打哈欠。
Volunteers were told to think about yawning, while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
当志愿者在正常的空气中、纯氧的环境下，或者混有超过正常的二氧化碳含量的空气中呼吸时，他们被要求要想着打哈欠。
Volunteers were told to think about yawning while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
没错，但是那不是纯氧。
在某些情况下必须给病人吸纯氧。
Pure oxygen must be given patients in certain circumstances.
在这些情况下，纯氧必须给病人。
Pure oxygen must be given to patients in these kinds of circumstances.
氮气从空气中被去除，使得燃料能够在纯氧中燃烧。
Nitrogen is removed from the air, enabling the fuel to burn in pure oxygen.
某些情况下给病人吸纯氧。
统计报告纯氧吸入率与新生儿死亡率相关。
In fact, some studies report that use of 100% oxygen is associated with an increased risk of neonatal mortality.13, 14.
该产品已经清洗可用于如纯氧的特殊场合。
This item has been cleaned for a special service such as pure oxygen.
空气、富气、和纯氧气都可用来支持燃烧。
Normal air, enriched air or pure oxygen can be used to support combustion.
简要分析了高纯氧化镁合成中的一些工艺原理。
Some principles in preparing of high purity magnesium oxide are briefly discussed.
介绍了利用锌渣为原料生产高纯氧化锌的方法。
The preparation of high-pure zinc oxide by using zinc residue as raw material is introduced.
该技术以纯氧代替空气，并与烟气再循环相结合。
In the process air is replaced by pure oxygen, and flue gas is recycled.
高纯氧化锌粉是一种重要的工业原料，具有很高的经济价值。
High purity zinc oxide powder is an important industrial raw material and its economic value is high.
通过热模型实验对纯氧顶底复吹转炉的冶金反应规律进行了研究。
A laboratory study was carried out in a hot model to investigate the characteristics of metallurgical reactions in oxygen top-bottom combined blowing process.
在大气压或更低气压下吸入纯氧，24小时后会导致肺刺激和水肿。
Inhalation of pure oxygen at atmospheric pressure or less can cause pulmonary irritation and edema after 24 hours.
新生儿需要复苏时用100%的纯氧吸入令人吃惊地发现，弊大于利。
Surprisingly, use of 100% oxygen may be associated with more harm than benefit when a newborn requires resuscitation.
本课题研究了铜镍合金纯氧选择性浸出过程中的热力学的影响因素。
The technology of copper-nickel alloy oxygen selective leaching has been used in industrial production in JinChuan Company.
当他将纯氧注入实验对象时，他们打哈欠的频率并没有发生什么变化。
When he pumped pure oxygen into subjects, for example, their frequency of yawning did not change.
先经化学腐蚀再在试样臂上用纯氧加热可以有效地消除试样的表面沾污。
The surfaces of the sample are decontaminated effectively first by chemical etching and then by heating directly in a stream of oxygen after placing sample on loading arm.
当吸入压力大于2或3个大气压的纯氧时，可以观察到典型的神经系统症状。
When pure oxygen is inhaled at pressures greater than 2 or 3 atmospheres, a characteristic neurological syndrome can be observed.
再纷繁再污浊的怨恨焦燥，经过他的吸纳，都会转化出缕缕纯氧，溢满心间。
After being taken in by the lily, even more complicated or messy hate and anxiety can be turned into amounts of pure oxygen to overflow the heart.
通过实验研究了在纯氧和普通大气条件下，静电放电对各种航天服的引燃能力。
The igniting capacity of electrostatic discharge to space suits is investigated in the condition of pure oxygen and common air.
为了防止这种被潜水员称为弯曲病的病症发生，弗尔涅会在升空前呼吸2到3分钟的纯氧。
To prevent this, which underwater divers call the bends, Fournier will breathe pure oxygen for two to three hours before liftoff.
论述了粉煤加压纯氧气化工艺的特点、工业化过程、生产操作参数和主要设备。
The feature, industrialized process, operating parameters and main equipment for the pulverized coal pressurized and pure oxygen gasification process were discussed.
以某厂含钴水相为研究对象，在实验室开展了高纯氧化钴或草酸钴的制备试验。
Studying on some plant cobalt aqueous phase, it carried out high-purity cobalt oxide or cobalt oxalate preparation tests in the laboratory.
本文主要介绍用高纯氧热氧化制作铅约瑟夫逊隧道结的方法以及一些实验结果。
This paper presents principally the fabrication procedures of lead Josephson. tunnel junctions formed by thermal oxidation in high purity oxygen and reports some experimental results.
本文主要介绍用高纯氧热氧化制作铅约瑟夫逊隧道结的方法以及一些实验结果。
This paper presents principally the fabrication procedures of lead Josephson. tunnel junctions formed by thermal oxidation in high purity oxygen and reports some experimental results.
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