Exploration of deep seabed polymetallic sulphides: Scientific rationale and regulations of the Inter

来源 :International Journal of Mining Science and Technology | 被引量 : 0次 | 上传用户:zhangshuai5365
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Polymetallic sulphides have been consistent source of metals like iron, copper, zinc and lead. Apart from these they are also seen as economically viable resources of silver and gold. As the demand of these metals is showing an astoundingly increasing tre
其他文献
Based on the geological conditions of coal mining face No. 15-14120 at No. 8 mine of Pingdingshan coal mining group, the real-time evolution of coal-roof crack
Self-positioning of a shearer is the key technology for mining with a man-less working face. In an underground coal mine all radio navigation; satellite positio
To study the mechanism of SO 2 and Hg removal from flue gas, an experimental packed bed reactor was designed to simulate the dry FGD, where a mixture of lime an
Difficulties with soft coal seams having a high gas content and high stress levels can be addressed by a technology of pressure relief and permeability increase
预报全部的地震精力的一个方法由 longwall 利用导致了,基于改变观点沉淀,与一个独立变量与一个在一个线性回归模型形式被介绍。在方法,地面沉淀在进展 longwall 前面的方向沿着
The present study analyzed the electromagnetic radiation(EMR) time series of the destruction process of coal or rock sample under uniaxial loading and the monit
<正>In this study,FTIR and XPS spectroscopy,specific surface area and pore size analyses,wetting and other experimental means have been applied to investigate r
The converter slag from a smeltery in Daye contains 2.01% copper.The floatability of copper has a significant influence on the flotation of converter slag.Flota
期刊
影响短波天线正常工作的因素是多方面的:风吹雨打日晒雨淋常会引起天线振子和铁塔等的紧固螺丝松动,天线引出馈线头脱落等现象。长期的高频辐射会使天线附近的绝缘材料构件表面
Hydraulic system has a critical and important role in drilling machines.Any failure in this system leads to problems in power system and machine operation.Since
期刊