您要查找的是不是:
- 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。
- bisulfide carbon 二硫化碳
- 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。
- 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。
- The title compound(C14H10N4S2) has been synthesized by ring-closing reaction of dithizone and carbon bisulfide. 苯基-2-苯偶氮基-1-硫代-3,4-二氮唑硫酮-5(C14H10N4S2)是双硫腙与二硫化碳发生加成闭环反应时获得。
- Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide (27.5%) as oxidant. 摘要以二乙胺和二硫化碳为原料,经双氧水(27.;5%25)氧化,一步合成了四乙基秋兰姆化二硫。
- Carbon dioxide consists of carbon and oxygen. 二氧化碳是由碳和氧组成的。
- Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant. 以二乙胺和二硫化碳为原料,经双氧水(275%25)氧化,一步合成了四乙基秋兰姆化二硫。
- 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
- Both of the substances are not made up of carbon . 这两种物质并非都由碳组成。
- We don't make cutting tools from low carbon steel. 我们不用低碳钢制造切削刀具。