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- 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
- noncrystal carbon film 非晶态碳膜
- 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。
- 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。
- Does fluoride help prevent cavities? 氟可以防止蛀牙吗?
- Lab Experiment on Harm of Fluoride on Rubber Trees. 大气氟化物对橡胶树的伤害实验研究。
- Dried Aluminium Fluoride Producing Facility. 干法氟化铝生产装置建设。
- Study on Polyvinylidene Fluoride Coating. 聚偏氟乙烯涂料的研究。
- 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。
- PH is 6.5 to 8, no sulfur or fluorid. PH值为6.;5到8之间，不含硫、氟化物。
- Fluoride has many effects on cell mem brane . 氟对细胞膜有多方面的影响。
- 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。
- Enolase isolated from peas was sensitive to fluoride. 从豌豆提取的烯醇酶对氟化物敏感。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
