Feasibility study of side slope extension in Nanfen Iron Ore Mine;
南芬铁矿分期开采扩帮延深可行性研究
Discussion on sectional mining,technical feasibility and economic rationality of steep side expansion of Guangou quarry is made and some issues to be noted are proposed due to the problems existing in the design and mining of the quarry,such as large stripping volume in the initial mining stage and voriation in stripping ratio during mining.
针对贯沟采场设计和生产中存在的实际问题———生产初期剥离量大 ,生产剥采比不均衡 ,探讨了贯沟采场实行分区开采 ,陡帮扩帮的技术可行性和经济合理性 ,并且指出了应该注意的几个问题。
This method with a simple production system,is of lower cost But problems such as methods of tunnel support and feedback and expanding roadway,and designs of ratio of extraction to reservation,should be still studied in the extraction through tunnel.
但其巷道支护方法、回撤扩帮方法和采留比设计等,仍是巷道穿采中值得深入研究的问题。
Taking completed engineering design cases and lot of data,the paper discusses the basis,transition opportunity,mining of steeper working slope and economic benefits for slope expansion and deepening in open pit.
以工程设计实例和大量资料论述了扩帮延深工程设计的依据、过渡时机、陡帮采剥、挂帮矿的回采及其经济效
Stability analysis for large-span highway tunnel by side-expand excavation
单边扩帮特大跨公路隧道开挖稳定性分析
Analysis and study of mining cost of 4~# stope slope expansion project of Peru Iron Co,Capital I & S Co.
首钢秘铁公司4~#采区扩帮延深工程采矿成本的分析与研究
The application study of the methods of broadening and installing of fully-mechanized mining face
综采工作面边扩帮边安装法在清水营煤矿的应用
They formed cliques and carried arms expansion and war preparations.
他们拉帮结派,扩军备战。
it is a great help for you to enlarge your vocabulary.
对扩大词汇量很有帮助。
It can be, especially with the help of an extranet.
能,尤其是有了内扩网的帮助。
On Extending Rights of Comnsel Assistant in Criminal Investigation;
论侦查阶段律师法律帮助权的扩大化
Then the organizers expanded the camp to help people with other diseases.
后来组织者扩大服务范围,也帮助其他病患者。
Red Clay helps to improve the condition of dry, sensitive and capillaried skin.
红泥帮助改善干燥,敏感,微血管扩张的皮肤。
This wizard helps you create a new subweb which uses the Server Extensions.
此向导帮助您新建使用服务器扩展的子网站。
They help eradicate disease, expand food production and increase longevity.
它们帮助消除疾病,扩大粮食生产,延长人寿命。
further enhancing Sino-foreign economic and technological exchanges and cooperation;
帮助客户进一步扩大和深入国际间的交流合作,
The armed forces have also helped build or enlarge more than 300 middle and primary schools, and helped more than 50,000 school dropouts return to class.
各部队还帮助新建和扩建中小学300多所,帮助5万余名失学儿童重返校园。
And he expanded Head Start programs to help prepare poor children to begin school.
他还扩大了领先(Head Start) 项目,来帮助贫困的儿童接受教育。
T: In order to make for you to understand that every powerful country expand their armament, please look at stuff3.
师:为了帮助大家了解当时列强扩军备战情况,请大家看一个材料。
What goes on with AI will often have applications in IA, and vice versa.
我相信人工智能与智能扩升两方面的研究是互相帮助的。
IF you need help,I can help u to buy car charger and original battery.
如果需要我可以帮忙你,你想要买汽车上的扩音器和原厂的电池吗?
The Security Settings Extension snap-in extends the Group Policy snap-in and helps you define security policies for computers in your domain.
安全设置扩展管理单元扩展组策略管理单元的功能,帮助您为域中的计算机定义安全策略。
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