1) gold mining
采金
1.
A lot of practice has proved that the permafrost has been seriously affected by the miscellaneous fundamental construction before mining, by stripping and prethawing for gold mining, panning gold from gravels, and by the processe.
大、小兴安岭多年冻土区,是我国重要的砂金产区之一,该区采金历史悠久,采金数量多、规模大、挖掘深。
2) Lawless gold digging
非法采金
1.
Lawless gold digging activities have caused serious geological problems in Gaize County,Ali Region of Tibet.
非法采金引起公路发生沉陷、塌方及滑坡等病害,严重地影响了公路交通和环境安全。
3) gold dredge
采金船
1.
Discussion on application of silicon controlled rectifier in gold dredge;
浅谈可控硅在采金船上的应用
2.
The checking computation of structural size of gold dredge in mining of gold placer;
砂金矿采金船开采结构尺寸验算
3.
Ways of raising recovery rate of oredressing by gold dredge;
提高采金船选矿回收率的途径
4) gold mining
金矿开采
1.
Environmental effects induced by gold mining and integrated treatment of them;
浅谈金矿开采诱发的环境负效应及其综合治理
2.
The gold mining has effects on the surface and subsurface water to some extent in the Wolongquan River valley.
在近金矿开采区,水的pH、CODCr(化学需氧量)、κ(电导率)、TH(硬度值)、SO2-4和CN-明显升高,Eh和DO(溶解氧)明显降低;其中局部河水的pH、CODCr、DO超出国家地表水的三类标准,局部地下水的CN-含量分别超出国家生活饮用水水质标准(GB5749-85)和世界卫生组织的生活饮用水水质标准(1971)的15倍和80倍;水的重金属含量也明显偏高。
5) gold dredger
采金船
1.
Analysis of low reachability of gold dredger's design capacity;
采金船达产率低的原因分析
2.
The current technological situation of combined mining with bulldozer and gold dredger and approaches to its perfection;
推土机-采金船联合开采的工艺现状及其完善途径
6) technology of gold mining
采金技术
补充资料：采金船
专供开采金、白金和金刚石等的船。设有采掘、选矿、供水、操纵等系统及电气、生活等设备。能利用船上的生产工艺制得成品金。
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