释义 |
car·bon AHD[kärʹbən] D.J.[ˈkɑːbən]K.K.[ˈkɑrbən]n.(名词)- Symbol C A naturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond and as a constituent of coal, limestone, and petroleum, and is capable of chemical self-bonding to form an enormous number of chemically, biologically, and commercially important molecules. Atomic number 6; atomic weight 12.01115; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See table at element 符号 C 碳:一种在自然界很丰富的非金属元素,存在于很多无机化合物和有机化合物中,以石墨和金刚石的形式以及作为煤,石灰岩和石油的一种成份大量存在,能在化学上自我结合而形成大量化学上,生物上和商业上重要的分子,原子序数6;原子量12.01115;升华点高于3,500°C;沸点4,827°C;非结晶质碳的比重为1.8至2.1,钻石的比重为3.15至3.53,石墨的比重为1.9至2.3;化合价为2,3,4 参见 element
- A sheet of carbon paper.复写纸
- A copy made by using carbon paper.复写本,副本:用复写纸复印的一份
- Electricity 【电学】
- Either of two rods through which current flows to form an arc, as in lighting or welding.碳精棒:两根棒的任一根,电流流经该棒形成电弧,如在闪电或焊接时
- A carbonaceous electrode in an electric cell.碳(精电)极:电池里的碳质电极
- French carbone 法语 carbone
- from Latin carbō carbōn- [a coal, charcoal] * see ker- 3源自 拉丁语 carbō carbōn- [煤,木炭] * 参见 ker- 3
carʹbonous AHD[-bə-nəs] (形容词) |