| 单词 | 抗腐蚀 |
| 释义 | 〔iridium〕A very hard and brittle, exceptionally corrosion-resistant, whitish-yellow metallic element occurring in platinum ores and used principally to harden platinum and in high-temperature materials, electrical contacts, and wear-resistant bearings. Atomic number 77; atomic weight 192.2; melting point 2,410°C; boiling point 4,130°C; specific gravity 22.42 (at 17°C); valence 3, 4. See table at element 铱：一种坚硬而脆的，极抗腐蚀的黄白色金属，存在于铂矿中，主要用来硬化铂和制造耐高温材料，电器接头和耐磨轴承。原子序数77；原子重192.2；熔点2,410°C；沸点4,130°C；比重22.42（在17°C时）；化合价3，4 参见 element〔manganese〕A gray-white or silvery brittle metallic element, occurring in several allotropic forms, found worldwide, especially in the ores pyrolusite and rhodochrosite and in nodules on the ocean floor. It is alloyed with steel to increase strength, hardness, wear resistance, and other properties and with other metals to form highly ferromagnetic materials. Atomic number 25; atomic weight 54.9380; melting point 1,244°C; boiling point 1,962°C; specific gravity 7.21 to 7.44; valence 1, 2, 3, 4, 6, 7. See table at element 锰：一种呈灰白色或银白色的易脆金属，产生于几种同素异形体中，世界各地均有，尤其盛产于软锰矿、菱锰矿和海底的结核中。它与钢的合金可增加强力、硬度、抗腐蚀力以及其它特性；与其它金属可以合成高铁磁性的材料。原子序数为25；原子量54.9380；熔点1,224°C；沸点1,962°C；比重7.21至7.44；化合价为1,2,3,4,6,7 参见 element〔chromium〕A lustrous, hard, steel-gray metallic element, resistant to tarnish and corrosion and found primarily in chromite. It is used as a catalyst, to harden steel alloys and produce stainless steels, in corrosion-resistant decorative platings, and as a pigment in glass. Atomic number 24; atomic weight 51.996; melting point 1,890°C; boiling point 2,482°C; specific gravity 7.18; valence 2, 3, 6. See table at element 铬：一种有光泽的、蓝灰色的坚硬金属元素。不失光泽，抗腐蚀，最早在铬铁矿中发现。用作催化剂，可加强钢合金的强度和生产不锈钢，可以做防腐镀层和玻璃制品中的颜料。原子序数24；原子量51.996；熔点1,890°C；沸点2,482°C；比重7.18；化合价2，3，6 参见 element〔zirconium〕A lustrous, grayish-white, strong, ductile metallic element obtained primarily from zircon and used chiefly in ceramic and refractory compounds, as an alloying agent, and in nuclear reactors as a highly corrosion-resistant alloy. Atomic number 40; atomic weight 91.22; melting point 1,852°C; boiling point 3,578°C; specific gravity 6.56 (20°C); valence 2, 3, 4. See table at element 锆：一种有光泽的、坚固的、可伸展的灰白色金属元素，主要从锆石中提炼。作为合金剂在陶器制造和耐火化合物中大量使用，而在核反应器中用作一种高度抗腐蚀合金。原子序数40；原子量91.22；熔点1,852°C；沸点3,578°C；比重6.56（在20°C时）；化合价2,3,4 参见 element〔titanium〕A strong, low-density, highly corrosion-resistant, lustrous white metallic element that occurs widely in igneous rocks and is used to alloy aircraft metals for low weight, strength, and high-temperature stability. Atomic number 22; atomic weight 47.90; melting point 1,660°C; boiling point 3,287°C; specific gravity 4.54; valence 2, 3, 4. See table at element 钛：一种坚固、低密度、高度抗腐蚀的带光泽的白色金属元素，广泛存在于火成岩中，由于其质量轻，牢固和抗高温的性能被用于做飞行器的合金。原子序数22；原子量47.90；熔点1,660°C；沸点3,287°C；比重4.54；原子价2,3,4 参见 element〔rhodium〕A hard, durable, silvery-white metallic element that is used to form high-temperature alloys with platinum and is plated on other metals to produce a durable corrosion-resistant coating. Atomic number 45; atomic weight 102.905; melting point 1,966°C; boiling point 3,727°C; specific gravity 12.41; valence 2, 3, 4, 5, 6. See table at element 铑：一种坚硬，延展性的，银白色金属元素，用于与铂形成高温合金并涂于其它金属上以产生具坚固的抗腐蚀涂层。原子序数45；原子重量102.905；熔点1,966°C；沸点3,727°C；比重12.41；化合价2，3，4，5，6 参见 element〔monadnock〕A mountain or rocky mass that has resisted erosion and stands isolated in an essentially level area.残丘：在基本水平地区单独存在的能抗腐蚀的山地或岩石〔gold〕Symbol Au A soft, yellow, corrosion-resistant element, the most malleable and ductile metal, occurring in veins and alluvial deposits and recovered by mining or by panning or sluicing. A good thermal and electrical conductor, gold is generally alloyed to increase its strength, and it is used as an international monetary standard, in jewelry, for decoration, and as a plated coating on a wide variety of electrical and mechanical components. Atomic number 79; atomic weight 196.967; melting point 1,063.0°C; boiling point 2,966.0°C; specific gravity 19.32; valence 1, 3. See table at element 符号 Au 黄金：一种软的，黄色的，抗腐蚀的物质，是最具有延展性的金属并能抽成丝，产于矿藏和冲积层中，通过开采或淘砂可以找到它，是热和电的良好导体。黄金中一般掺入其他物质以增加强度，经常被用作衡量国际货币的标准，也被制成珠宝作为装饰品，同时被广泛用作各种电子和机械元件的镀层材料。原子序数79；原子量196.967；熔点1,063.0°C；沸点2,966.0°C；比重19.32；化合价为1，3 参见 element〔beryllium〕A high-melting, lightweight, corrosion-resistant, rigid, steel-gray metallic element used as an aerospace structural material, as a moderator and reflector in nuclear reactors, and in a copper alloy used for springs, electrical contacts, and nonsparking tools. Atomic number 4; atomic weight 9.0122; melting point 1,278°C; boiling point 2,970°C; specific gravity 1.848; valence 2. See table at element 铍：一种高熔点、质轻、抗腐蚀、坚硬的青灰色金属元素，用作宇宙空间结构材料，如核反应器中的减速剂和反射体，铍铜合金用于制造弹簧、电接触器和无电花工具。原子序数4；原子量9.0122；熔点1,278°C；沸点2,970°C；比重1.848；化合价2 参见 element |
| 随便看 |
|
英汉汉英双解词典收录301015条英汉双解翻译词条，可根据汉字查询相应的英文词汇，基本涵盖了全部常用汉字的英文读音、翻译及用法，是英语学习及翻译工作的有利工具。