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- standard gas of oxygen in nitrogen 氮气中氧标准气体
- Plants must have oxygen in order to live. 为了存活植物必须有氧气
- Blood is aerated with oxygen in the lungs. 血液在肺部充氧。
- Preparation of Standard Gas of Sulfur Dioxide in Nitrogen And Gas of Oxygen in Nitrogen 氮气中氧、氮气中二氧化硫气体标准样品的研制
- The droppings from the fowls make the ground rich in nitrogen. 鸟粪使土地含氮丰富。
- As the coke burns, some of it combine with the oxygen in the air to form carbon monoxide. 焦碳燃烧时，一部分碳与热风中的氧形成一氧化碳。
- Drill pipes are often corroded by the oxygen in the air. 钻杆在空气中经常被腐蚀。
- Oxygen in tissue is different since it diffuse from vessel. 摘要组织中的氧是由血管中扩散而来，存在一定的差异。
- Glucose oxidase consume oxygen in the process of glucose oxidation. 葡萄糖氧化酶在氧化葡萄糖的过程中消耗氧。
- Fiame Couple is abnormal, overemperaturre, fallinging down board, over oxygen content in nitrogen. 热电偶异常、超温、掉板、氮气含氧量过高。
- Common purity nitrogen as the material,through some special technics,wipe off the oxygen and water in nitrogen,then get high purity nitrogen. 原理：利用普氮为原料，通过一定的特殊工艺的处理，去除普氮中的氧、水等杂质，得到高纯氮气。
- Baking in air has now been discarded in favour of baking in nitrogen. 目前在空气中烤焙已被在氮气中烤焙所取代。
- Although nitrogen is non-toxic and inert, it can act as a simple asphyxiant by displacing the oxygen in air to levels below that required to support life. 尽管氮无毒且很大程度上不活泼，通过取代空气中的氧，使之下降到维持生命所必须的水平以下，它可以成为简单的窒息物。
- Although nitrogen is nontoxic and largely inert, it can act as a simple asphyxiant by displacing the oxygen in air to levels below that required to support life. 尽管氮无毒且很大程度上不活泼，通过取代空气中的氧，使之下降到维持生命所必须的水平以下它可以为简单的窒息物。
- These plants need no nitrogen fertilizers and leave the soil rich in nitrogen. 这样的植物不需要施用氮肥，并且还给土壤留下了丰富的氮。
- There are little singlet oxygen in vessel with dark color. 肤色深单态氧的产生少。
- Some experts say the best fertilizers for beets are low in nitrogen. 一些专家说最适合甜菜的好肥料是含氮量低的肥料。
- Blood soaks up oxygen in the lungs and enters the heart. 血液从肺部吸收氧气之后进入心脏。
- Urine is a complete manure with fast function rich in nitrogen content. 尿液是一种快速作用的、富含氮的完全肥料。
- The sky appears blue to us on a clear day, because the atoms of nitrogen and oxygen in the atmosphere separate the suns white light into its many colors, and scatter them throughout the atmosphere. 晴天，我们看天空是蓝色的，因为大气中氮原子和氧原子将太阳的白光分解成许多种颜色，分散在大气层中。
