采矿工程英语2.ppt
《采矿工程英语2.ppt》由会员分享,可在线阅读,更多相关《采矿工程英语2.ppt(26页珍藏版)》请在三一文库上搜索。
1、Unit 2 Surface Mining,2.1 Introduction,一、重点专业词汇和词组: open pit 露天坑 open cast 露天矿 extraction 开采 bench 平台 berms stripping ratio 采剥比 deposit 矿床,erosive 腐蚀的 depend on sth. 取决于 be used to 被用来做 bothand 两者都 eitheror 或是或是 be applied to 被应用于,placer mining 淘洗采矿 hydraulicking 水力采矿 solution mining 溶浸采矿 leaching 沥
2、滤 commercial mine (产品)外销矿山 for the duration 在整段时间内 borehole mining 钻井采矿法 be defined as 把什么定义为 inadequate indikwit 不充分的、不适当的、不足以,overburden 表土 successive layers 相邻层 elevation 海拔高度 bench height 台阶高度 vertical distance 垂直距离 bench slope 平台边坡 pit limits 采坑境界 haul road 运输线路 pit slope stability 露天矿边坡稳定性 For
3、merly 以前、从前 topography tprfi 地形学;地志;地势,with few exceptions 极少例外 Paradoxically ,prdksikli 反常、相矛盾的 Meet 满足 design parameters prmits 设计参数 more than 比更 Flexibility ,fleksibiliti 灵活性 tooto 太而不能 Mineralization ,minrlaizein 矿化矿化作用 Abandoned bndnd 抛弃,放弃 Outweighed ,autwei 在之上,胜过 Alternative :lt:ntiv schemes
4、 ski:ms 备用方案,Outside 超出,在之外 Outline 外形,轮廓 Evaluation i,vljuein 评估 Maximum mksimm 最大限度、最大量 geometricdiumetrik parameters 几何参数 mined back 回采 Simultaneously saimlteinisli 同时地 Specifications ,spesifikein 说明书;规格 Lateral ltrl 横向的 Infrastructures infr,strkt 基础设施;下部构造;基本建设,Ultimate ltimt 最终,最终的;极限的;根本的 more
5、 or less 或多或少 Arrangement 准备;布置;整理 angle of repose 安息角,休止角 Referred to as 被称为 Sub-out crop 隐伏露头 Inclination ,inklinein 倾向,爱好;斜坡 Percentage 百分率,百分数;百分比 Zigzagging zizi 成之字形,二、复合难句 1、In open pit mining, a mechanical extraction method, a thick deposit is generally mined in benches or steps, although th
6、in deposits may require only a single bench or face. 在露天采矿(一种机械开采法)中,一个厚的矿床通常都是按平台或台阶进行开采的,尽管薄的矿床可能只需要一个简单的平台或工作面。,2、Hydraulicking utilizes a high-pressure stream of water that is directed against the mineral deposit (normally but not always a placer) , undercutting it , and causing its removal by t
7、he erosive actions of the water. 水力开采利用一根高压水柱直接冲击矿床(通常不总是砂矿),由于水的侵蚀作用慢慢切割,进而引起移动剥落。,3、Dredging performed from floating vessels, accomplishes the extraction of the minerals mechanically or hydraulically. 从漂浮的船上“挖泥”,实现机械或水力的矿物开采。,4、Solution mining includes both borehole mining, such as the methods use
8、d to extract sodium chloride or sulfur, and leaching, either through drill-holes or in dumps or heaps on the surface. 溶浸采矿包括井眼采矿(比如开采盐和硫磺的方法)和浸滤采矿,或者通过钻孔或者通过倾倒或地面堆浸的方法实现浸滤开采。,5、An open pit mine is an excavation or cut made at the surface of the ground for the purpose of(为了目的) extracting ore and whic
9、h is open to the surface for the duration of the mines life. 露天开采 是为了开采矿石而在地表进行的一种挖掘或切割,它在采矿的整个过程中都是露天开放的,6、The selection of physical design parameters and the scheduling of the ore and waste extraction program are complex engineering decisions of enormous economic significance. 物理设计参数的选择和矿石及废矿开采工作的
10、进度计划是具有巨大经济意义的复杂工程抉择,7、Among these are increasing production, a shift in emphasis from underground to surface mining , a decline in ore grade and quality of some crude materials , and , with few exceptions , an increase in productivity of labor 在这些因素中,属于产量增加的因素是:开采重心由地下开采向露天开采的转变,一些原矿矿石在等级和质量方面的下降,以
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 采矿工程 英语
链接地址:https://www.31doc.com/p-2921205.html