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- The separation of acetone from the acetone and nitrogen mixture using microporous silica membranes was simulated by molecular dynamics (MD) method. 利用分子模拟手段,研究了氮气／丙酮混合气体透过二氧化硅陶瓷膜的渗透过程。
- In the physical and chemical experiments often use the oxygen nitrogen hydrogen argon and other gases. 在物理化学实验中，经常要用到氧气、氮气、氢气、氩气等气体。
- Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen. 这样可以用氧气取代之前被氮气占据的肺泡。
- A colorless, odorless, tasteless, gaseous mixture, mainly nitrogen(approximately 78 percent) and oxygen(approximately 21 percent) with lesser amounts of argon, carbon dioxide, hydrogen, neon, helium, and other gases. 空气一种无色、无嗅、无味的气体混合物，主要由氮气(约占78％)和氧气(约占21％)组成，还有少量的氩、二氧化碳、氢、氖、氦及其它气体。
- Water contains hydrogen and oxygen. 水含有氢和氧。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The ball is filled with gaseous mixture. 那个球充满了气体混合物。
- Do you know the constituents of the mixture? 你知道这种混合物的成分吗？
- Unlike oxygen, the element nitrogen is inactive. 与氧不同，元素氮不活泼。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- I listened to his excuse with a mixture of amusement and disbelief. 我怀着一种既好笑又不相信的复杂心情听了他的辩解。
- THE ANALYTICAL SAMPLE SYSTEM OF THE OXYGEN NITROGEN HAS THE IMPROVEMENT OF METHOD 氧氮分析样品制备方法的改进
- Air is a mixture, not a compound of gases. 空气是气体的混合物，不是化合物。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- An explosive mixture, such as gunpowder. 火药易爆炸的混合物，如弹药
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- Mars is too dry and poor in oxygen. 火星上面过于干燥，并且缺乏氧气。
- This is a mixture of the best tobacco. 这是由最好的烟叶配制成的。
