单词 | 升华 |
释义 | 〔arsenic〕Symbol As A highly poisonous metallic element having three allotropic forms, yellow, black, and gray, of which the brittle, crystalline gray is the most common. Arsenic and its compounds are used in insecticides, weed killers, solid-state doping agents, and various alloys. Atomic number 33; atomic weight 74.922; valence 3, 5. Gray arsenic melts at 817°C (at 28 atm pressure), sublimes at 613°C, and has a specific gravity of 5.73. See table at element 符号 As 砷:一种有剧毒的金属元素,有黄、黑、灰三种同素异形体,其中质脆,结晶体的灰色形体最为常见。砷及其化合物用于杀虫剂,除草剂,固体添加剂和各种合金。原子序数33;原子量74.922;化合价3,5。灰色砷熔点为817°C(在28气压时),613°C升华,比重5.73 参见 element〔sublime〕from Old French [sublimated] 源自 古法语 [升华的] 〔dematerialize〕Mirrors have the effect of dematerializing a wall. The dry ice seemed to dematerialize as it sublimated.镜子有使一堵墙丧失其物质实体的效果。干冰升华时好象丧失了其物质实体〔winged〕Soaring as if with wings; elevated or sublime.高远的:象有翅膀般飞翔的;高扬的或升华的〔numinous〕Spiritually elevated; sublime.精神的;升华的〔sublimate〕To transform directly from the solid to the gaseous state or from the gaseous to the solid state without becoming a liquid.升华:不经液态而由固态直接转变为气态或由气态直接转变为固态〔evaporate〕To deposit (a metal) on a substrate by vacuum sublimation.使沉淀:通过升华使(金属)等沉淀在底层〔glacier〕A huge mass of ice slowly flowing over a land mass, formed from compacted snow in an area where snow accumulation exceeds melting and sublimation.冰川:巨大的冰块在巨大的地上慢慢滑动,由于一个地区雪的积累超出了融化和升华而形成的结实的雪形成了冰川〔anagoge〕from Late Greek [spiritual uplift] 源自 后期希腊语 [精神升华] 〔carbon〕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〔sublimation〕The act or process of sublimating.升华的行动或过程〔retort〕A closed laboratory vessel with an outlet tube, used for distillation, sublimation, or decomposition by heat.蒸馏瓶:具有流出口管的实验室封闭器皿,用于加热蒸馏、升华或分解 |
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