this paper offers some propositions relating to the interogations and discussions dealing with the conceptions, classifications, nomenclature of underground mining methods of metalliferous deposit.
就与金属矿床地下采矿方法有关的一些概念、分类、命名等问题提出了质疑和讨论性的意见。
the tundishes in the stope bottom are used widely in the mining practice of metalliferous mines, however the wooden tundishes are still used in quite a lot of mines.
采场底部漏斗在金属矿床的开采实践中应用非常广泛,但还有许多矿山在沿用木质漏斗。
metalliferous ore waste residue and clay were used to prepare one kind of new decolorization adsorption ball and fuchsine dye water sample was taken as processing object.
文章主要是以金属矿废渣、粘土为材料研究制备一种新型脱色吸附球,并以堿性品红染料水样为处理对象。
this paper introduces the nomenclature of「adakitic rocks」, the distribution and tectonic settings of the adakitic rocks associated with metalliferous mineralization.
this article take the sulfur dye waste water as the processing object, has conducted the applied research to the metalliferous ore waste residue decolorants performance.
以硫化染料废水为处理对象,对金属矿废渣脱色剂的性能进行了应用研究。
solid organic matter remained in metalliferous ore recorded important information of ore-forming processes.
固体有机物质保留了金属矿床成矿过程的重要信息。
in this paper, problems concerning the rational development and utilization of metalliferous mineral resources are briefly discussed.
本文简要地论述了矿产资源的合理开发利用问题。
generally top slicing is a mining method of high cost, low productivity, and large consumption of timber as compared with other methods for mining metalliferous ore bodies.