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- Four main factors from the factor load matrix were defined , namely the carbon nitrogen factor, chlorine factor, combustion factor and the factor of Nitr/ Nic. 由化學成分的因子載荷矩陣得到4個主因子，即碳氮因子、氯因子、燃燒性因子和氮鹼比因子。
- Helium nitrogen oxygen saturation diving 氦氮氧飽和潛水
- There are nitrogen,oxygen,a little carbon dioxide and water vapour. 它們分別是氮氣，氧氣，少量的二氧化碳和水蒸汽。
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳釋放氧氣。
- Hydrogen, oxygen, nitrogen and carbon are all important to life on Earth. 氫、氧、氮、碳都對地球上的生物十分重要。
- Air consists chiefly of nitrogen. 空氣主要由氮氣組成。
- 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. 空氣一種無色、無嗅、無味的氣體混合物，主要由氮氣(約佔78％)和氧氣(約佔21％)組成，還有少量的氬、二氧化碳、氫、氖、氦及其它氣體。
- Unlike oxygen, the element nitrogen is inactive. 與氧不同，元素氮不活潑。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧組成的。
- Nitrogen forms most of the Earth's air. 地球上空氣的大部分成分是氮氣。
- The lamp is full of gaseous nitrogen. 燈里充滿了氣體氮。
- I make a carbon copy of my documents. 我用複寫紙複寫文件。
- Soft drinks contain carbon dioxide. 軟飲料中含有二氧化碳。
- Carbon dioxide is converted into oxygen through the agency of plants. 二氧化碳由於植物的作用轉化為氧氣。
- Nitrogen forms about 78% of the earth's atmosphere. 氮約佔地球大氣的百分之七十八。
- I have some carbon paper somewhere or other. 我記得我在什麼地方放有複寫紙。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧組成的。
- If it were not for oxygen and nitrogen in the air, no man could live on the earth. 大氣中如果沒有氧和氮，人就無法生存於地球了。
- She's a carbon copy of her sister. 她跟她姐姐一模一樣。
- One atom of oxygen is linked to the nitrogen atom by a double bond. 一個氧原子以雙鍵與氮原子相連。
