Scientists say the excess heavy nitrogen could have come from a comet. And the heavier oxygen from a natural process that left more of the light isotope in the part of the nebula that made the sun.
科学家认为重氮来自一颗彗星，而重氧则是来自行星形成的自然过程，这一过程把更轻的氧同位素留在了星云中，形成了太阳。
A very high excess of oxygen, methane, and nitrous oxides would certainly be suggestive of life.
充足的氧气，甲烷和氧化二氮当然可能预示着生命。
Pollution from sewage or farm waste can cause excess algae growth, starving the water of oxygen and causing fish and other species to die off.
从下水道或者农场里出来的污染水引起藻类的过度生长，造成水里的氧气严重缺失，以至于鱼类和别的物种相继死去。
Personnel should stay in a well-ventilated area and avoid any source of ignition until their clothing is completely free of any excess oxygen.
人员应一直呆在通风良好的区域，避开任何火源，直到他们的衣物彻底没有任何多余的氧为止。
Neurosurgery; Excess ventilation; Jugular venous oxygen saturation.
神经外科；过度通气；颈内静脉血氧饱和度。
The CFO reacts with the excess GD present in the grain boundary of GDC to form a third phase. It was found that this new phase could also serve as an excellent oxygen ionic conductor.
CFO与钆掺杂氧化铈(GDC)晶界处多余的钆发生反应形成了第三种相成分，我们发现这种新相可以作为一种很好的氧离子导电体。
When the vapor content in gas is higher, the oxygen content of dry gas should be corrected to the oxygen content of damp gas before calculating the excess air coefficient.
烟气中的水蒸气含量较大时，计算过量空气系数应先将湿烟气含氧量修正为干烟气含氧量；
And by means of testing, the thesis puts emphasis upon the study of the low-oxygen combustion technique, which can optimize boiler's combustion by adjust the excess air factor.
并且通过试验的方法，着重探讨了通过调整过量空气系数来使锅炉燃烧达到优化的低氧燃烧技术。
The effects of excess heating agent index, oxygen supplying speed and ar flow rate on heating up speed and heating up range are discussed.
研究了发热剂过剩指数、供氧速度、氩气流量对升温速度、升温值的影响。
The actual flue gas volume and the concentration of oxygen is inversely proportional, and excess air...
而实际烟气量与氧浓度成反比，与过剩空气系数成正比。
Gas flue suction and pressure to adapt, measuring points in the flue gas exhaust and the oxygen content to be corrected in order to maintain a certain excess air ratio, so that burning at its best.
使烟道吸力与煤气压力相适应，测量分烟道中废气的含氧量并加以校正，以保持一定的空气过剩系数，使燃烧处于最佳状态。
In the power plant, the excess oxygen in flue gas has been measured and used to control the combustion efficiency.
在火电厂中一直是测量燃烧过程出口的烟气含氧量来控制燃烧效率。
An explosion accident of oxygen pipe at low temperature due to excess operating pressure is introduced. Based on cause analysis of the accident, corresponding precaution measures are presented.
介绍一起氧气管道低温态超压爆破事故，分析了原因，并提出防范措施。
The important causes include unsuitable proportion of composite firing, proportion of staged air is to excess, lower furnace temperature and lower oxygen value in furnace outlet.
出现这些问题的原因主要是掺烧比例不当、分级送风比例过大、炉膛温度偏低、炉内整体氧量偏低。
This study was designed to explore the effects of exercise intensity and duration on EPOC (Excess Post-exercise Oxygen Consumption).
本研究采用双因素实验设计探讨了运动负荷强度和持续时间对E-POC的影响。
Whether Fat person and normal weight person excess post-exercise oxygen consumption(EPOC) exist difference between them?
肥胖者和正常体重者 运动后过量氧耗（EPOC）是否存在差异?。
An analysis is made of the causes for excess oxygen in the CO2 gas, and measures are proposed for its solution.
对二氧化碳气体中携氢量超标原因进行分析，并提出解决措施。
An analysis is made of the causes for excess oxygen in the CO2 gas, and measures are proposed for its solution.
对二氧化碳气体中携氢量超标原因进行分析，并提出解决措施。
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