本机出矿品位为精矿、尾矿两个等级。
This machine is out of ore grade for concentrate, tailings two grades.
文章给出了露天矿采出矿岩运输功与台阶高度的函数关系。
The paper presents the functional relationship between transport work of ore and rock handling and bench height in open-pits.
它的出现促进了振动出矿这一先进技术在采场中的广泛应用。
The good flexibility of this mobile has machine promoted widespread use of the vibration drawing technology in stope extraction.
简要地讨论了惯性、刚性振动出矿机在三个自由度下运动的解答；
The inertial rigid vibration conveyor of ore are studied in the vibration of three freedom and obtained the solution.
确保出矿品位的稳定主要有两方面的工作：一是加强损失贫化管理；
In order to obtain the stability Of ore grade, two aspect works we should do: (1) Enhancing the management in the loss mine and the increasing rock;
国外主要矿业国家对地下金属矿山连续出矿运矿设备进行了深入的研究。
Research on continuous ore drawing and haulage equipment for underground metal mines has widely been done in main foreign countries with mining industry.
采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。
Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China.
保持最下一层空场出矿分段的进路端部出矿口不敞空，防止冒落冲击危害。
Then, it is to remain some blasted ore to block the drift outlet at the last mining level to prevent the impact of air flows induced by the rock falling.
该采矿法指用台车凿岩、铲运机出矿和管道输送充填料的胶结充填采矿法。
The method discussed in this paper refers to the cut and consolidated fill method in which drilling is done by jumbo, broken ore moved by LHD unit and the filler transported by pipeline.
研究结果表明，随着台阶高度的增加，采出矿岩平均运输功含量呈下降趋势。
The research result showed that the average transport work content of ore and rock in open-pit decreases as bench height increasing.
人工出矿或装岩机出矿方式，各出矿穿必须均匀出矿，保证采场工作面平整。
As for ore drawn by hand or rock loader, the ore drawing quantity of each chute shall be kept uniform to ensure the flatness of working face of stope.
应用电子计算机对单轴和双轴惯性振动出矿机分别进行了工作参数最优化分析。
For both uniaxial and biaxial vibrating feeders, the optimization of operating parameters has been completed by means of the electronic computer.
介绍了我国地下铁矿铲运机使用情况、出矿效率、成本、存在问题及改进意见。
This report is concerning the operation performance, productivity, operating cost, existing problems and proposals for improvements of underground iron mine LHDs in China.
然而，振动出矿机激振器合理位置的确定，尚未圆满解决，往往因此影响出矿效果。
But the reasonable installation position of the vibrating ex - citer in a vibrating ore drawing machine has not yet been determined satisfactorily, which usually affects the drawing efficiency.
该系统能够处理和储存回采技术信息及矿量信息，并依据这些信息给出最合理的出矿方案。
This system can process and store mining information and information about the ore quantity, according to which an appropriate plan to excavate ores is worked out.
采场出矿运矿连续作业，是近年来我国在连续工艺技术研究领域中所取得的重大成果之一。
Continuous mining for ore drawing and hauling in stope is one of the important achievements in the research area of continuous mining technology in China.
一些投标者作出的在18个月内开始出矿的承诺被视为是外国专家不可靠甚至不负责任的言论。
Promises being made by some bidders to begin extraction within 18 months are regarded as unreliable and even irresponsible by foreign experts.
简述了铲运机出矿的下向进路式水砂充填采矿法的主要技术特点和在武山铜矿北矿带的成功应用。
This paper describes main technical characteristics of underhand drift hydraulic sand filling method and its successful application at North Part of Wushan Copper Mine.
在无底柱分段崩落采矿法中，铲运机由于其具有出矿效率高、机动灵活、多用性等优点而被广泛采用。
Scraper is widely used in pillarless sublevel caving due to its high ore drawing efficiency, mobility, flexibility and general purpose application.
用沙坝矿高大副井改主溜井的研究内容主要分为三个部分：溜井放矿规律研究与振动出矿及相关技术的应用研究；
The content of the research on changing the high shaft into a main ore-pass in Yong-Sha-Ba mine has three parts.
振动出矿时，由于振动机的激励作用和波动传播的影响，碎岩便会产生激励响应，这种激励响应可以改变散体的动力特性和流动特征。
Because of the exciting action by the vibrating machine and the influence of wave propagation, broken ores will generate excited response when ores are mucked out by vibration.
采用自同步定向激振理论设计，将重力自溜与振动出矿融为一体的YZZ型振动助流器，具有分节组合、大倾角、无侧板的结构特点。
YZZ vibration flow aiding machine is a newly developed ore drawing device, which is devised on the basis of the theory of autogenuous synchronization and directional vibro excitation.
通过运用数理统计中的回归分析方法确立采出矿石地质矿量预测数学模型，分析预测相对误差，并对2007年采出矿石地质矿量进行预测。
The model is used to analyze the relative error of forecast and to forecast the exploitable geological ore reserves of Miaogou Mine in 2007.
然而，研究人员惊奇的发现，体长小于三米的鲨鱼仅仅是看上去凶巴巴，因为它们还没有发育出拥有足够刚性和矿化的软骨，对一个大型海洋哺乳动物的致命一咬会损坏鲨鱼自己的颚。
Because it hasn’t developed enough stiff, mineralized cartilage yet. A bite that would be lethal to a large marine mammal could damage the shark’s jaws.
铝是一种从铝土矿提炼出的金属。
铝是从铝土矿中提炼出的。
除了修建钢铁生产厂之外，淡水河谷上个月还宣布正在巴西修建一家铝厂，这样它就可以把矿点开采出的铝土矿供应给新工厂。
In addition to the steel complex, Vale announced last month that it was building an aluminum plant in Brazil so it could feed that new plant with the bauxite from its mines.
作者研制出一个集爆破参数、矿岩破碎度与采矿总成本为一体的深孔爆破优化设计系统软件。
A software system for optimizing blasting design integrating the determination of blasting parameters, the size of ore fragment, and the package mining cost is developed.
作者研制出一个集爆破参数、矿岩破碎度与采矿总成本为一体的深孔爆破优化设计系统软件。
A software system for optimizing blasting design integrating the determination of blasting parameters, the size of ore fragment, and the package mining cost is developed.
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