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- Synthesis and Development of Carbon Tetrafluoride 四氟化碳的合成与开发
- Removal Carbon Fluoride Impurities From Raw Carbon Tetrafluoride by Pressurized Rectification 加压精馏除去四氟化碳中六氟乙烷等氟碳杂质的研究
- Standard Test Method for Air and Carbon Tetrafluoride in Sulfur Hexafluoride by Gas Chromatography 用气体色层分离法对六氟化硫中四氟化氮和四氟化碳含量的测试方法
- Keywords carbon electrode;nitrogen trifluoride;electrolyte;carbon tetrafluoride; 碳电极;三氟化氮;电解;四氟化碳;
- Keywords gas chromatography;greenhouse gas;carbon tetrafluoride calibration gas; 气相色谱法;温室气体;四氟化碳标准气体;
- I make a carbon copy of my documents. 我用复写纸复写文件。
- Soft drinks contain carbon dioxide. 软饮料中含有二氧化碳。
- I have some carbon paper somewhere or other. 我记得我在什么地方放有复写纸。
- She's a carbon copy of her sister. 她跟她姐姐一模一样。
- carbon tetrafluoride 四氟化碳
- A copy made by using carbon paper. 复写本，副本用复写纸复印的一份
- Plants can absorb carbon dioxide and release oxygen. 植物可以吸收二氧化碳释放氧气。
- You receive the top copy of the receipt, and we keep the carbon. 你把这收据上面的原件收下，我们保留下面的复写件。
- The stick of carbon is often used in an electric arc lamp. 碳精棒常用于电弧灯。
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Plants absorb carbon from the air. 作物从空气中吸收炭。
- She put the carbon paper in the wrong way round. 他把复写纸放反了。
- Producing or containing carbon or coal. 产碳或煤的，含碳或煤的
