2) main metallic minerals
主要金属矿物
1.
Pyrrhotite,Pentlandite and chalcopyrite are main metallic minerals in cop-per-nickel sulfide deposits.
磁黄铁矿、镍黄铁矿、黄铜矿是这类矿床的主要金属矿物。
3) metallic mine
金属矿山
1.
Talking about how to promote integrated management system in metallic mines;
浅谈金属矿山如何推行三位一体整合型管理体系
2.
Main issues metallic mines now are facing and solutions of the problems;
金属矿山当前面临的主要问题及对策
3.
The guiding ideology,basic principles and techniques for remedy of contaminated soils are put forward according to realistic conditions of metallic mines.
针对金属矿山的实际情况,提出了其污染土壤修复的指导思想、基本原则、土壤污染修复技术。
4) Metal mines
金属矿山
1.
Study on the range of the rational enlarging production scale of the underground metal mines;
金属矿山地下开采扩建合理生产规模范围研究
2.
Study on the enlarging production scale of the underground metal mines based on sustainable development
基于可持续发展的金属矿山地下开采扩建生产规模研究
3.
Review on the typical mineral reagents environmental pollution and countermeasures in the exploration of metal mines
金属矿山开发利用过程中典型化学药剂的污染及控制对策
5) metal mine
金属矿山
1.
Application of fuzzy mathematics model in predicting mining induced surface subsidence of the metal mines;
模糊数学模型在金属矿山开采沉陷安全评估的应用
2.
Causes and countermeasures of heat-harm in deep shafts in underground metal mines;
金属矿山深井热害产生原因及其治理措施
3.
Study on the safety assessment method of underground metal mine;
金属矿山地下开采安全评价方法研究
6) metal and nonmetal mine
金属非金属矿山
1.
The research of safety standardization of metal and nonmetal mine
金属非金属矿山标准化建设研究
补充资料：主要纯金属及非金属的性能
名称 | 元素 符号 | 密度/ (g/cm3) | 熔点 /℃ | 线胀 系数/(10-6/℃) | 相对 电导率 （%） | 抗拉强度 /MPa | 伸长率 （%） | 断面 收缩率 （%） | 布氏硬度 HBS | 色泽 |
银 | Ag | 10.49 | 960.5 | 197 | 100 | 180 | 50 | 90 | 25 | 银白 |
铝 | Al | 2.70 | 660.2 | 236 | 60 | 80～110 | 32～40 | 70～90 | 25 | 银白 |
金 | Au | 19.32 | 1063 | 142 | 73 | 140 | 40 | 90 | 20 | 金黄 |
铍 | Be | 1.85 | 1285 | 116 | 23 | 310～450 | 2 | — | 120 | 钢灰 |
铋 | Bi | 9.8 | 271.2 | 134 | 1.4 | 5～20 | 0 | — | 9 | 白 |
镉 | Cd | 8.65 | 321.1 | 310 | 20 | 65 | 20 | 50 | 20 | 苍白 |
钴 | Co | 8.9 | 1492 | 125 | 30 | 250 | 5 | — | 125 | 钢灰 |
铬 | Cr | 7.19 | 1857 | 62 | 12 | 200～280 | 9～17 | 9～23 | 110 | 灰白 |
铜 | Cu | 8.9 | 1083 | 165 | 90 | 200～240 | 45～50 | 65～75 | 40 | 红 |
铁 | Fe | 7.87 | 1538 | 118 | 16 | 250～330 | 25～55 | 70～85 | 50 | 灰白 |
铱 | Ir | 22.4 | 2447 | 65 | 31 | 330230 | 2 | — | 170 | 银白 |
镁 | Mg | 1.74 | 649 | 257 | 34 | 200 | 11.5 | 12.5 | 36 | 银白 |
锰 | Mn | 7.43 | 1244 | 230 | 0.8 | 脆 | — | — | 210 | 灰白 |
钼 | Mo | 10.22 | 2622 | 49 | 29 | 700 | 30 | 60 | 160 | 银白 |
铌 | Nb | 8.57 | 2468 | 71 | 10 | 300 | 28 | 80 | 75 | 钢灰 |
镍 | Ni | 8.9 | 1455 | 135 | 22 | 400～500 | 40 | 70 | 80 | 白 |
铅 | Pb | 11.34 | 327.4 | 293 | 8.0 | 15 | 45 | 90 | 5 | 苍灰 |
铂 | Pt | 21.45 | 1772 | 89 | 16 | 150 | 40 | 90 | 40 | 银白 |
锑 | Sb | 6.68 | 63.5 | 113 | 3.9 | 5～10 | 0 | 0 | 45 | 银白 |
锡 | Sn | 7.3 | 231.9 | 23 | 13 | 15～20 | 40 | 90 | 5 | 银白 |
钽 | Ta | 16.67 | 2996 | 65 | 11 | 350～450 | 25～40 | 86 | 85 | 钢灰 |
钛 | Ti | 4.51 | 1672 | 90 | 3.4 | 380 | 36 | 64 | 115 | 暗灰 |
钒 | V | 6.1 | 1917 | 83 | 6.1 | 220 | 17 | 75 | 264 | 淡灰 |
钨 | W | 19.3 | 3410 | 46 | 29 | 1100 | — | — | 350 | 钢灰 |
锌 | Zn | 7.14 | 419.5 | 395 | 26 | 120～170 | 40～50 | 60～80 | 35 | 苍灰 |
锆 | Zr | 6.49 | 1852 | 59 | 3.8 | 400～450 | 20～30 | — | 125 | 浅灰 |
砷 | As | 5.73 | 814 | 47 | — | — | — | — | — | — |
硼 | B | 2.34 | 2100 | 83 | — | — | — | — | — | — |
碳 | C | 2.25 | 3727 | 66 | — | — | — | — | — | — |
磷 | P | 1.83 | 44.1 | 1250 | — | — | — | — | — | — |
硫 | S | 2.07 | 115 | 640 | — | — | — | — | — | — |
硒 | Se | 4.81 | 221 | 370 | — | — | — | — | — | — |
硅 | SI | 2.33 | 1414 | 42 | — | — | — | — | — | — |
注：相对电导率为其他金属的电导率与银的电导率之比。 | ||||||||||
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条