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- 色环碳膜电阻器colour-ring carbon resistor
- 多环碳氢化合物polycyclic hydrocarbons
- 环loop
- 烟草的很多成分都会引起有机体突变以及致癌,如烯烃化合物,亚硝胺,多核芳香烃以及多环碳氢化合物和铵.Many constituents are mutagens and carcinogenic such as alkenes, nitrosamines, polynuclear aromatic and heterocyclic hydrocarbons, amines .
- 碳carbon
- 由Ib的晶体结构分析结果推断Ia的分子式为C_(20)H-(33)O_4Cl。 它是一个具有五、十一员双环碳骨架的新型含氯二萜。The molecular structure of Ia, which was deduced from the result of crystal structure analysis of Ib, shows that it is a novel diterpene containing chlorine with a 5,11-bicyclic carbon skeleton, the molecular formula C20H33O4Cl.
- 碳水化合物carbohydrate
- 环比link relative ratio
- 碳钢carbon steel
- 圆环traffic circle
- 碳纤维carboform
- 环的annular
- 环氧epoxy
- 活性碳activated carbon
- 碳化carbonize
- 环氧乙烷epoxy ethane
- 碳粉powdered carbon
- 环己hexanaphthene
- 碳氢化合物hydrocarbon
- 外环outer ring
