出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14,800 times better at trapping heat than carbon dioxide.
出于争论中心的气体是HFC-23（三氯甲烷）。以重量交换来衡量，这种温室气体包围热量的能力是二氧化碳的14800倍。
The gas at the centre of the controversy is HFC-23, a greenhouse gas which, on a weight-for-weight basis, is 14, 800 times better at trapping heat than carbon dioxide.
对于哺乳动物，每次吸气都将富氧空气带进肺中被称为肺泡的“死胡同”。这些在肺泡中循环的空气通过与肺毛细血管的血液进行气体交换，输进氧气并带走血液中的二氧化碳。
Air circulating through these sacs transfers oxygen into the bloodstream that picks up the blood's carbon dioxide waste.
相比之下，人的心脏只有四个心室，其中的两个心室收缩将血液压进动脉输送到肺部，在那里吸收氧气，放出二氧化碳，而另两个心室则将完成气体交换后的血液输送到到全身。
A human heart, by contrast, has four chambers. Two of these pump blood to the lungs, where it picks up oxygen, then the other two pump this oxygenated blood throughout the body.
新工艺与原工艺及离子交换法工艺相比较均有较明显的优势，适合于有二氧化碳和氨资源的化肥厂采用。
Compared with the old process or ion exchange process, the improved process shows clear advantage and is suitable to be used in a fertilizer plant having carbon dioxide and ammonia resources.
研究者将能够把测量数据与数据模型相结合来推测二氧化碳在海洋与大气之间交换的全球模式。
Researchers will be able to combine mission data with numerical models to estimate global patterns of the exchange of carbon dioxide from the ocean and atmosphere.
我们需要知道有多少的二氧化碳被吸收掉，了解更多海洋与大气之间的气体交换过程，以及这种机制是如何受到环境改变的影响的。
We need to know how much carbon dioxide is being taken up, more about the gas exchange between the ocean and the atmosphere, and how this mechanism is affected by climate change.
地下水也含有溶解了的二氧化碳，这些二氧化碳是从空气和从植物根系的气体交换中获得的。
Ground water also contains dissolved carbon dioxide from the air and from the exchange of gases in plant roots.
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 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.
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。
Doctors say that over time the damage interferes with the natural exchange of oxygen and carbon dioxide in the lungs.
吸入的空气中的氧气就在肺泡里与来自周围毛细血管血液中的二氧化碳进行交换。
There oxygen in the inspired gas is exchanged for carbon dioxide from the blood in the surrounding capillaries.
离子交换除盐系列：如无顶压逆流再生阳阴离子交换器、浮动床、除二氧化碳器和混合离子交换器。
Ion exchange demineralization Series: If No pressure on the top of anion exchanger current renewable Yang, Floating Bed, In addition to carbon dioxide device and Ion exchange.
气体交换：氧气与二氧化碳在血、气中的关系。
Gas exchange: The relationship of O2 and CO2 in gas and blood.
主要设备有高效过滤器、离子交换器、除二氧化碳器等。
It mainly includes high efficiency filter, ion exchanger and carbon dioxide remover, etc.
主要设备有高效过滤器、离子交换器、除二氧化碳器等。
It mainly includes high efficiency filter, ion exchanger and carbon dioxide remover, etc.
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