| 单词 | 硬化剂 |
| 释义 | 〔hardener〕One that hardens, especially a substance added to varnish or paint to give it a harder surface or finish.硬化剂：一种尤指加入清漆或涂料使之形成更硬的表面的硬化物质〔osmium〕A bluish-white, hard metallic element, found in small amounts in osmiridium, nickel, and platinum ores. It is used as a platinum hardener and in making pen points, phonograph needles, and instrument pivots. Atomic number 76; atomic weight 190.2; melting point 3,000°C; boiling point 5,000°C; specific gravity 22.57; valence 2, 3, 4, 8. See table at element 锇：一种白色带点蓝色的硬金属元素，在铱锇矿、镍及铂的矿石中有少量储藏。用作铂的硬化剂并用于制作笔尖、唱片针和仪表枢轴。原子序数为76；原子量为190.2；熔点为3,000°C；沸点为5,000°C；比重为22.57；化合价为2，3，4，8 参见 element〔alum〕Any of various double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially aluminum potassium sulfate, AlK(SO4) 2·12H 2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics. 明矾，白矾：一种三价金属双硫酸盐，如铝、铬、铁和单价金属如钾或钠，特别是铝钾硫酸盐AlK(SO4) 2·12H 2O，在工业上广泛用作沉淀剂、硬化剂和净化剂，医学上用作局部收敛剂和止血剂 〔hardening〕Something that hardens, as a substance added to iron to yield steel.硬化剂：如加在铁上使其形成钢的硬化性物质 |
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