单词 | 石墨 |
释义 | 〔graphitize〕To convert into graphite, as by a heating process.使…石墨化:使转化为石墨,如通过加热过程〔graphitize〕To coat or impregnate with graphite.在…上涂石墨,给…充石墨:用石墨涂敷或渗透〔lead〕Any of various, often graphitic compositions used as the writing substance in pencils.铅芯:通常指含有石墨成分的铅笔用的书写物质〔coal〕A natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds.煤:一种天然的深褐色到黑色石墨样原材料,用作燃料,由植物化石形成,由非结晶碳和各种有机化合物与一些无机化合物组成〔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〔crucible〕A vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at high temperatures.坩埚:一种用石墨或瓷等耐熔物质制成的器具,用来在高温时熔化或煅烧原料〔ultralight〕A recreational aircraft that is constructed of lightweight materials such as aluminum, graphite compositions, or high-strength plastics, having an engine of 15 to 40 horsepower and resembling a motorized hang glider with wings.超轻型飞机:由轻型材料如铝、石墨合成物或高强度塑料等制成的消遣用的飞机,有一个15到40马力的发动机,是带动力的悬挂式滑翔机和机翼的组合〔graphite〕A soft, steel-gray to black, hexagonally crystallized allotrope of carbon with a metallic luster and a greasy feel, used in lead pencils, lubricants, paints, and coatings, that is fabricated into a variety of forms such as molds, bricks, electrodes, crucibles, and rocket nozzles. Also called black lead ,plumbago 石墨:一种质软、钢灰黑色、有金属光泽和滑腻感的碳的六方晶形的同素异构体,用于铅笔、滑润剂、颜料和涂层,可被制成多种形状,如模子、砖块、电极、坩埚和火箭发动机喷管 也作 black lead,plumbago |
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