The rate of mining recovery was low, and the resource was wasted seriously.
采矿回采率低，资源浪费较严重；
Brief introduction is also made of the selection of rational mining method for improving the mining recovery;
并简要叙述了该矿在采矿方面选择合理采矿方法，提高采矿回收率；
Mining recovery is a main economic-technical index to measure mine enterprise's levels of production management and resources comprehensive utilization.
回采率是衡量矿山生产技术管理、资源综合利用水平的一项主要的经济技术指标。
In addition, protection planning, in accordance with its characteristics, to guide the total, comprehensive utilization of associated minerals and mining recovery rate, recovery improved.
除此之外，在保护规划中根据其特点，指导其共(伴)生矿产的综合利用以及采矿回采率、采收率的提高。
The challenge, says Duke's Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
The challenge, says Duke’s Van Dover, “is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival.”
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
This paper, focusing on the theme of resource recovery, introduces the technical practices in optimizing the face arrangement, improving mining technology and production processes of the Group.
本文围绕提高资源回收率这一主题，介绍了该集团在优化工作面布置、改进开采技术和生产工艺方面的技术实践。
Another application of biodegradation enhancement is the recovery of metals from ores and mining tailings with metal levels too low for smelting.
促进生物降解的另一个应用是从矿石或金属含量很低的不能熔炼的矿渣中回收金属。
In addition, biosorbents can be used in the process of mining and wastewater treatment for precious metal recovery.
此外在采矿和处理含贵金属的废水过程中，也可以使用生物吸附剂来富集回收贵金属。
Large Numbers of cavities formed by the underground mining of metal mineral resources not only endanger the mine safety but cause great difficulties in a full recovery of the resource.
金属矿床地下开采形成的大量采空区不仅危及矿山的安全，而且对资源的充分回收造成严重的困难。
Be affected by the sluggish recovery of economy and weak demand, global mining situation is still in the continuation of the previous downturn in the first half of this year.
受经济复苏乏力、需求不振影响，今年上半年全球矿业形势依旧延续了以往低迷的态势。
The results were that the ore dilution and loss were decreased, the recovery was increased, the cost of mining was reduced, and good economic and social results were obtained.
降低了矿石的贫化损失，提高了回收率，减少了采矿成本，获得了良好的经济效益和社会效益。
The application of new mining method is benefic to avoiding mutual effect between steeply inclined near coal seams, improving production ability and recovery, forming canonical ventilation system.
新型采煤法的实施有利于避免急斜近距煤层开采的相互影响，提高生产能力和采出率，形成规范的通风系统。
Theoretical analysis shows that coal pillars plastic zone width not only with mining depth, mining height, but with the recovery rate.
理论分析表明，煤柱塑性区宽度不仅与采深、采厚有关，而且也同采出率有关。
The practice cf mining room first and then pillars by overhand cut and cemented fill is widely used in China, but the condition for pillars recovery in later period is normally worse.
先房后柱的上向分层胶结充填法在我国应用较为广泛，但矿柱后期回采条件较差。
Deep mining; Heat harm control; Recovery and utilization of high pressure water; Long heat pipe technology; Unmanned mining mode;
深井开采；热害治理；高压水回收利用；超长热管技术；无人开采模式；
In terms of the characteristics of complex manganese, this paper presents an approach to increasing the recovery percentage and reducing the mining cost.
针对复杂型锰矿特点，探讨了露天采矿提高回采率，降低采矿成本的方法。
Practice has proved that the coal mining methods and technology to meet the recovery of the coal requirements have been successfully applied.
实践证明，该采煤方法和回采工艺满足了该煤层的回采要求，得到了成功应用。
In order to raise the natural gas field synthesis mining benefit, raises the gas pool recovery ratio, it is necessary to implement the turbo-charged mining processing technology.
为了提高气田综合开采效益，提高气藏采收率，实施增压开采工艺技术。
The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.
本文探讨了浅孔留矿祛新型变形方案：留矿全面法、静态留矿法、削壁留矿法，以及这些方法的矿岩开采条件，采场主动支护，矿柱回收等。
A high or low coal recovery rate of the top coal caving mining is related to the key technology of the coal mining method to be widely applied.
放顶煤开采煤炭回收率的高低是关系到能否推广这种采煤方法的关键技术。
The challenge, says Duke's Van Dover, "is to ensure that cumulative effects of mining activities do not exceed the rate of recovery of the organisms that rely on these habitats for survival."
杜克大学的范多佛说，真正的挑战在于，“必须确保开采活动所积累的影响不会超过那些在该区域栖息的生物再生的速度。”
Infection zones of coal mining are favorable place to coalbed methane recovery in ground or gas extraction in underground.
煤矿采动影响区是地面煤层气开发或井下瓦斯抽放的有利部位。
This paper analyzes the preconditions for small and medium-sized coal mines to increase coal recovery rate, and puts forward some paths and measures for the second mining of the coal resources.
分析了中小煤矿提高煤炭资源回收率的前提保障条件，提出了复采煤炭资源的途径和措施。
These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.
本文研究对减小煤柱尺寸，提高房柱式采煤回采率具有明显的理论指导意义，对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。
These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.
本文研究对减小煤柱尺寸，提高房柱式采煤回采率具有明显的理论指导意义，对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。
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