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- Keywords surface mine;open cast method;mining technology;dragline; 露天煤矿;倒堆剥离;开采工艺;拉斗铲;
- open cast method 倒堆剥离
- The thesis summaries the theoretical method about stability of open cast side-slopes. 本文扼要的论述了研究露天矿边坡稳定性的理论方法。
- The selection of dragline is a key problem to be handled when applying dragline for open cast in surface mining. 露天矿应用拉斗铲倒堆工艺的关键问题首先要做好拉斗铲的选型。
- The VGF, CZ, heat exchange method for Ge single crystals and the cast method for Ge poly-cyrstals was specially discussed. 着重介绍了VGF法制备锗单晶、铸造法制备锗多晶的工艺和装置。简单比较了不同方法制备的锗晶体的主要光学、电学性能及制造成本。
- Last fall, an open casting call drew 300 applicants. 去年秋天的主播招聘吸引了300多名申请人。
- Furthermore, ray casting method is a basic method of DVR algorithm. 光线投射法又是三维直接体显示算法中最基本的一种方法。
- Due to the pit was so deep, so no fit for opening and train transport. winter coming, they will move out locos from open cast coal mine, change lorry. 由于大坑太深了,已经不适合开采和火车的运输。上冬以后,蒸汽机车要逐渐地退出露天矿,改用汽运。
- Serious erosion of soil and water in refuse dump is key and main task of land restoration in open cast mine of steppe region, which induce salination and degradation of soil in surroundings. 露天矿排土场的严重水土流失,导致周边土壤盐渍化和草场退化,是草原露天矿区环境治理的关键和重点。因随机排土,大部分排土场的表层土壤为深层绿色泥岩土,不适于植物生长,治理难度很大。
- Using a prefabricated porous ferroboron lump, a surface composite layer was made on gray cast iron matrix, with a common casting method. 通过预先制备带有孔隙的硼铁合金预制块,用普通浇注的方法,获得以灰铸铁为基的铸造表面复合材料。
- The foamed aluminum with open pore has been manufactured by electro-deposition method.Its thermal conductivity and damping capacity are better than those manufactured by infiltrate casting method. 采用电沉积技术制成孔隙均匀的通孔泡沫铝。描述了它的工艺过程和原理,它的热物理性能、阻尼性能、吸声性能,同采用发泡法制成的泡沫铝相比性能更加优异。
- The specimens showing profuse branching of vessels and ducts in colour were prepared by a corrosion casting method. 这些标本展示了色彩丰富的血管和导管分支,是通过腐蚀铸型技术造成的。
- The aluminium based composite reinforced by alumina Borate Whisker was prepared by squeeze casting method. 本文利用挤压铸造法成功地制备了硼酸铝晶须增强铝复合材料。
- Abstract A resin casting method for investigating apoplastic spaces of plant was intoouduced in this paper. 摘要 本文介绍了用于研究植物体质外体空间三维结构的树脂铸型技术。
- In the case of characters like Luna Lovegood or Michael Corner- if they're not cut from the film- it's almost certain they'd be filled without the need for open casting calls. 这个句子的意思大致是:好比像卢娜·夫古德和迈克尔·纳那样的角色,如果他们还能出现在电影里的话,也肯定是内部指定演员,不会公开选角。
- The yttria stabilized zirconia(YSZ) electrolyte is fabricated by plaster casting method. 采用注浆法制备了钇稳定化氧化锆(YSZ)电解质。
- A resin casting method for investigating apoplastic spaces of plant was intoouduced in this paper. 本文介绍了用于研究植物体质外体空间三维结构的树脂铸型技术。
- In this paper, technical principle on preparation of metal mould by casting method of electroslag smelting and application prospect is described. 本文简述了用电渣熔炼浇铸法制备金属模具的工艺原理和该方法的应用前景。
- The long base width and steep slope of super high arch dams have make it difficult to control the temperature when adopting full-silo casting method. 摘要特高拱坝由于底宽大、岸坡陡,故采用通仓浇筑时施工期的温度控制难度大。
- Pea pods burst open when overripe. 豌豆过熟就会爆裂。