The fully mechanized mining rate exceeds 80% in large state-owned mines.
国有重点煤矿采煤机械化程度超过80%。
The backfilling methods with refuse were beneficial to improving mining rate of resource and prolonging mine life.
提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。
The steep inclined seam is a difficult mining seam with a poor safety condition, a poor support stability, a lower mechanization and lower mining rate.
急倾斜煤层属难采煤层，具有安全状况差、支架稳定性差、机械化程度低、回采效率低等问题。
With the similar simulation test, a simulation study on the mining rate of a coal mining with the top coal weaken in different degree and under the high cutting mining condition was conducted.
通过相似模拟试验，对大段高开采条件下顶煤体靠底板侧煤体弱化程度不同情况下的工作面采出率进行了模拟研究。
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。”
Decades of logging, mining and slash-and-burn farming have destroyed 90% of Madagascar's forests, though the rate has slowed in the past two decades.
数十年的砍伐、采矿以及刀耕火种的耕作方法破坏了马达加斯加90%的森林，尽管其速度在过去二十年内有所放缓。
Mr Humala has suggested Peru could impose a windfall tax of up to 40 per cent on mining companies, and also raise the 30 per cent rate that miners currently pay.
乌马拉暗示，秘鲁可能对矿业公司开征税率至多为40%的暴利税，并提高矿业公司所适用的税率（目前为30%）。
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 highest rate of silicosis deaths occur among so-called non-construction laborers and mining machine operators.
最高的矽肺病死亡率出现在所谓的非建设工人和煤矿机操作人员中。
From 2003 to 2009, found a new study, the rate of deforestation in two gold-mining areas increased six-fold alongside record-setting leaps in the international price of gold.
自2003年到2009年，一项研究发现，在两个金矿区的水土流失率随着国际金价创纪录的增长也增加了六倍。
Newfoundland, helped by royalties from oil and mining, has cut its poverty rate in half (to 6.5%).
靠着石油、矿产土地使用费，纽芬兰已将贫困率减少了一半(降至6.5%)。
Due to its high accuracy, low-cost, full navigation states, and high output rate, the system has wide applications, such as vehicle tracking, aviation, automatic mining, and precise farming.
系统高精度、低成本，适用于任何状态的导航以及高频率的输出，可以用于诸如载体跟踪、航空、自动采矿以及精细农业等广泛的应用领域。
According to the condition of ore body, selected mining method and proportion of each mining method, and through calculation, the mining loss rate is 12% and the impoverishment rate is 15%.
根据矿体赋存条件和所选用的采矿方法，各种采矿方法所占的比例，计算采矿综合法损失率为12%、贫化率为15%。
There are series problems exist in the existing thick seam mining technology with large dip Angle, thus cause low extraction rate, poor safety and high cost.
现有的大倾角厚煤层开采技术存在着一系列问题，从而导致煤矿回采率低，安全性差，成本高。
This method can improve the ore extraction rate and reduce the ore dilution rate and has been found to be a rational mining method for the mine.
该方法提高了矿石的回采率，降低了矿石的贫化率，为矿山寻找出一条合理的开采方法。
The cabinet can reduce power cut off range and increase job rate of mining and loading equipments.
采用本开关柜可缩小矿山停电范围，减少停电时间，提高设备作业率。
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 mining procedures which have an influence on the stress field in the strata and the fracturing of the roof are the rate of daily face advance, the mining rhythm, and the nature of working.
对于覆岩应力场和覆岩破裂有影响的采矿因素是工作面推进速度、采矿周期性和顶板管理方法。
However it suffers from the drawback of being low in extraction rate, which constitutes a crucial factor affecting the economic result of this mining method.
然而采出率低是水采矿井的缺点，也是制约水采矿井经济效益的关键问题。
It is very important to make good use of the recycle mechanism of equipment and establishment for the mining area to reduce costs, enhance economic efficiency and improve the use rate of equipment.
搞好矿区设备、设施循环利用，对于降低成本、提高经济效益、提高设备设施资源的综合利用率具有重要意义。
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。”
Under the normal mining condition and 95% the utilization rate of the uranium resource in 320 uranium Deposit, 0.045% as the marginal grade is recommended.
在320铀矿床常规开采条件下，要求铀矿资源(金属量)利用程度不低于原情况的95%时，选择的边界品位为0.045%。
In recent years, with the increase of the coal mining depth, intensity, rate and the exploitation scale, coal mining is under the serious threat of groundwater.
近年来，随着煤炭开采深度、开采强度、开采速度、开采规模等不断增加，煤炭开采受地下水威胁、危害日趋严重。
It also points out that the necessity of the process in decreasing mining loss and dilution rate, and proposes some concrete ways for further modification.
指出该联合工艺对降低采矿损失贫化的必要性和改进的具体途径。
Compared with other production section, south section ore scale, shape and occurrence are different, and it is difficult to control mining dilution rate in this section.
狮岭南地段矿体规模、形态、产状特征与其他主生产地段相比，差异很大，该地段采矿贫化率较难控制。
This paper analyzes the essence of discount rate and discount in mining right evaluation.
本文分析了矿业权价值评估中贴现率及贴现的实质。
The water seal technology is used to solve the problem of the collection rate of the mother liquid in situ leach mining of the rare earth mineral.
介绍了为解决离子型稀土矿用原地浸析法开采时母液收集难的问题所采取的水封闭工艺。
Data mining are used to analyze the foreign exchange rate time series and acquire the correct, implicated and hidden information, which has practical significance in the financial field.
利用数据挖掘技术分析外汇汇率时间序列，从时间序列中获得正确的、隐含的、潜在的信息对于金融领域研究具有重要的现实意义。
Data mining are used to analyze the foreign exchange rate time series and acquire the correct, implicated and hidden information, which has practical significance in the financial field.
利用数据挖掘技术分析外汇汇率时间序列，从时间序列中获得正确的、隐含的、潜在的信息对于金融领域研究具有重要的现实意义。
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