现在认为呼吸循环是NO/O2/CO2的三气体系统(three-gas system)[2]。红细胞不仅运输O2和CO2,还运输NO,而且其生理性血管效应依赖于血红蛋白(hemoglob in,Hb)的作用。
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The planet, HR 8799e, is a gas giant rather like Jupiter, but about 10 times as massive — similar to the other three planets in the system, which Marois discovered in 2008.
这颗编号为HR 8799e的行星是一颗与木星相似的气态巨星，但其质量约是木星的10倍，这一点与该星系中由Marois于2008年发现的其它三颗行星相似。
Three types of refitting of the gas flow control system of laboratory GC and lots of methods of improving analytical sensitivity of GC are introduced.
介绍了三种实验室气相色谱仪气路改装系统和多种提高仪器分析灵敏度的方法。
A calculation method of gas liquid solid three phase equilibrium is presented based on the characteristics of composition and phase behavior of an oil and gas system.
根据油气烃类体系的组成特点和相态特征，提出了气液固三相相平衡的计算方法。
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