查询词典 mining

The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased.

在分段凿岩阶段矿房法回采实践中，用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行，提高了生产效率。

The coal mining method of oblique sublevel concentration as a new technology hasnt been very perfect in China until now, so we set up three-dimensional finite element model of this kind of mining method novelly based on Datai coal mine of Beijing Coal Group as an example using Ansys software.

俯伪斜分段密集采煤法，作为一种较新的采煤方法，在我国技术上还不很成熟，因此，首次针对京煤集团木城涧矿大台井的地质条件和赋煤状况，通过简化建立三维立体有限元模型，模拟计算了该矿煤层顶底板在开采前后运动变化情况。

It includes online analysis of data warehouse and data mining, constructing analyzed CRM system, design and application of effective mining algorithm, and OLAM visualization. In this thesis, some key technologies of actualizing CRM system in manufacturing are discussed in details.

本文探讨了制造行业的客户关系管理系统实施过程中的若干关键技术，同时对客户关系管理的OLAM技术及其可视化实现进行了研究，开发了基于OLAM的客户分析挖掘原型系统。

The mining practice in Tongshan Copper Mine shows that the method of sublevel open stoping with subsequent once-filling and removing with blasting power is more suitable to mine inclined or gently inclined medium-thick deposits with high sulfur. This method can be used to reach the prepurpose including decreasing ore loss and dilution rates, reducing the quantity of mining works and raising the productivity of a stope.

铜山铜矿的开采实践表明，对于倾斜、缓倾斜中厚高硫矿床采矿方法的选择是至关重要的；根据其复杂多变的地质条件及国内外开采状况，提出选用爆力运搬分段空场嗣后一次充填采矿法较为适宜，该法可以达到降低损失贫化率，减少采准工程量，提高采场生产能力的预期目的。

The main contributions in this thesis are as follows: 1 A "detection prevention-data fusion analysis and data mining- response " layered prevention model based on multisensor data fusion and data mining is proposed, and the systematic structure and system protype are provided.

本论文在项目开发中承担和完成的工作主要有： 1）参与了原型系统的总体方案的设计与论证，提出了一种&检测防御—数据融合分析和数据挖掘—响应&多检测器数据融合和数据挖掘入侵防御模型。

Attributes reduct, mining classification rules, and discretizing values of quantitative attributes are three fields in mining classification rules.

属性约简、分类规则提取、数量属性离散化是分类规则挖掘的三个方面。

The concept and technological system of green mining is put fo reword and the developing trends of green mining are pointed out.

本文提出了绿色开采的概念和绿色开采的技术体系，指出了绿色开采的发展趋势。

Reserves of mineral products resource evaluates course of study to having longer history, the occurrence that accompanies economy of market of North America mining industry and generation, development, mature, cannot have used the one part that makes culture of tradition of Canadian mining industry shakingly.

加拿大的矿产资源储量评估业有着较长的历史，伴随北美矿业市场经济的出现而产生、发展、成熟，已经不可动摇地成为加拿大矿业传统文化的一部分。

Optimize the panel mining system of Xishimen Iron Mine at the aim of the stability of slusher drifts on footwall, and seek for the optimum mining sequence between panels.

以开采线前方底板电耙巷道的稳定性为目标，对盘区开采顺序进行了试验优化研究，获得了该目标下的最优盘区开采顺序；然后考虑西石门铁矿南区盘区开采的实际情况，对现有盘区开采规划进行了数值模拟分析，并对今后开采过程中的地压形势提出了预测。

However, as Montana's Gov. Brian Schweitzer and Stillwater executives recently observed, the loss of Montana mining jobs to foreign mining companies as GM accepts billions of dollars in taxpayers' money aimed at preserving US jobs seems "disingenuous".

然而，正如蒙大拿的州长布赖恩施魏策尔和斯蒂尔沃特高管最近指出，损失的蒙大拿采矿工作的外国矿业公司作为通用汽车公司接受数十亿美元的纳税人的金钱，旨在保护美国就业似乎&虚伪&。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。