Most of mine drainage is an important issue.
排水是多数矿山的一个重要问题。
There are several pump and can be used to mine drainage.
有几种泵性可以用于矿山排水。
Many economy, environment and society benefits arc achieved from treating mine drainage to process and domestic water.
里彦煤矿矿井水净化处理后作为生产和生活用水，具有较好的经济、环境和社会效益。
Many economy, environment and society benefits are achieved from treating mine drainage to process and domestic water.
里彦煤矿矿井水净化处理后作为生产和生活用水，具有较好的经济、环境和社会效益。
Trace emulsified oil which exist in mine drainage is concerned gradually, for it has influence on the water purification.
矿井水中存在的微量乳化油污染制约了其资源化程度，对它的处理已日益受到人们的重视。
The absorption capacity of a natural mineral adsorbent has been investigated for sulfate reduction in acid mine drainage.
介绍了一种采用针铁矿的天然矿物原料吸附酸性矿井废水中硫酸根离子的试验研究。
The mine drainage centrifugal pump operating in the piping with high resistance have smaller fluorite and lower efficiency .
矿山排水离心泵在阻力偏高管网中工作时，其流量偏小，效率低。
The lowest volume fraction of methane in mine drainage gas used as town gas is discussed to fully utilize mine drainage gas.
探讨了作为城镇燃气的矿井气中甲烷的最低体积分数，以便于更充分地利用矿井气。
The large diameter direct drainage borehole is used to strengthening mine drainage capacity, to ensure coalmine safety production.
大孔径直排孔的作用是加强矿井排水能力，保证煤矿安全生产。
The coal mine drainage system reliable or not is extraordinary important, it relates directly to the coal mine person, the property safety.
煤矿排水系统可靠与否事关重大，它直接关系到煤矿的人身、财产安全。
To those underground mines with underground water, a great deal underground water resource must be discharged and consumed in mine drainage.
对于地下开采的有水矿山，矿床疏干需要排放和消耗大量的地下水资源。
The rotating biological contactor is a high efficient immobilized device for microorganism which is suitable for treating the acid mine drainage.
生物转盘反应器是一种高效率的微生物固定化装置，很适合处理水量适中的矿山酸性废水。
The pepped-up manganese then grabs and holds a variety of toxic metals and other substances that need to be cleaned up and gotten out of coal mine drainage water.
激活的锰元素会吸收大量有毒金属，还有其他需要被清理的，从煤矿地下水系统脱离出来的物质。
Leaching from coal and coal waste stone can increase PAHs concentration in mine drainage and groundwater. Pollution of PAHs by coal mining should be attached more importance.
矿坑排水、煤矸石淋滤水及地下水中的多环芳烃与煤层及煤矸石的淋滤有关，煤矿开采引起的多环芳烃污染应引起重视。
Studies also show that most of mercury in coal can be brought into the environment easily by acid mine drainage (AMD), and this kind of pollution should be paid more attention to.
研究表明，当煤炭被开采堆放到地表后，煤中大部分汞可以被酸性矿井水带入环境中，这一环境污染问题应予以重视。
The acid mine drainage and heavy metal ions drained directly into the Hengshihe river, which affected the ecological environment around the mine and downstream of the river severely.
采选产生的酸性废水携带浸滤出的重金属离子流入横石河，严重影响矿区及其下游的生态环境。
Then-Hexane extraction was used in analysis on oil in mine drainage, and working curve was cover for standard curve. The result showed that average recovery rate of oil was over 96%.
在进行矿井水中油类分析时，用正己烷作为萃取剂，以工作曲线代替标准曲线，从而使油平均回收率增加到96%以上。
A type of computer control system has been designed for realizing the technology of mine drainage purification treatment. The system has better flexibility, dependability and maintainability.
工程设计了一种实现该处理工艺的计算机控制系统，具有较好的灵活性、较高的可靠性和可维护性。
The influential factors of calculation error for groundwater table are discussed by using the iteration method to find solution of numerical model in the mine drainage forecast of deep drawdown.
本文讨论了大降深矿井排水预测中 ，利用迭代法求解数值模型时 ，地下水位计算误差的影响因素。
Deposing of fly ash is in a great degree connected with development of high salinity mine drainage water, at the same time it decreases the contamination load carried away to the surface waters.
大规模的粉煤灰的充填会产生高碱性的矿山废水，与此同时，它也减少流向地表水系的废水中的污染负荷。
Based on analysis of the regularity of mine water, the concepts and methods of the stochastic serve theory being applied, the queueing and reliability models of mine drainage system are developed.
本文在认真分析矿井涌水规律的基础上，应用随机服务理论的观点和方法，建立了矿井排水的排队论模型和系统可靠性模型。
This paper has summarized the development and the current situation of acid mine drainage treatments; it has introduced neutralization method, constructed wetland and microorganism method in detail.
本文总结了国内外治理酸性废水的方法与研究现状，详细介绍了中和法、人工湿地和微生物法的治理方法。
Drainage and mud system on underground are important safety production facilities in metal mine.
金属矿山井下排水排泥系统是重要的安全生产设施。
The result expressed that mine water drainage resource is a valid way to solute the water shortage in mining area.
研究结果表明，矿井水资源化是解决矿区水资源短缺的有效途径。
According to actual conditions of some coal mine well, at first this text chose and designed drainage equipments, then designed autocontrol part based on drainage control request.
据某矿井下实际情况，本文首先进行了排水设备的选择设计，然后根据排水控制的要求，进行自动控制方面的设计。
The drainage of the water from the mine would take at least two days.
排出矿井中的水至少要用两天时间。
Pumping collected water from mining area is the job of drainage system in pumping house under mine, which has closely relations to mining security and efficiency.
井下水泵房排水系统担负着整个矿井积水排除的任务，其安全可靠性直接影响矿井生产的效率和安全。
At present, most drainage systems of all domestic coal mine well adopt conventional means of relay controlling, inspected artificially.
目前国内各矿井的排水系统多采用传统的继电器控制方法，用人工进行监测。
At present, most drainage systems of all domestic coal mine well adopt conventional means of relay controlling, inspected artificially.
目前国内各矿井的排水系统多采用传统的继电器控制方法，用人工进行监测。
应用推荐