The fact that coal mine refuse of Yongcheng is sandy mudstone was confirmed by XRD.
经XRD证实永城煤矸石是砂质泥岩。
This test showed that the kind of fine mixed mine refuse and home refuse have the best result.
试验研究表明，垃圾与矸石均匀混合堆置方式具有较好的效果。
As he is an ole friend of mine, I find it difficult to refuse him.
由于他是我的老朋友，我觉得很难拒绝他。
They land on, mine, colonize and enslave other places. They bring back payloads and refuse to tell anyone what they are up to.
他们登陆、采矿、殖民并奴役着其它地方，为当地带来重压，并不告诉他人他们的计划。
Our products are widely used in highway, railway, tunnel, bridge, airport, Power Plant, Water conservancy, mine, harbor, refuse landfill and other building projects.
产品广泛应用于公路、铁路、隧道、桥梁、飞机场、电厂、水利、矿山、港口、垃圾填埋厂、建筑及其它土建工程。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
以典型的新建煤矿煤层为例，阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点，并进行技术经济分析。
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。
This paper discusses a plant test at the Gan Baji Coal Preparation plant, Natung Coal Mine, involving a circuit for recovering pyrite from refuse of that plant.
本文介绍从南桐矿务局干坝子选煤厂洗选尾矸中回收黄铁矿的工业性试验生产流程。
The backfilling methods with refuse were beneficial to improving mining rate of resource and prolonging mine life.
提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。
The backfilling methods with refuse were beneficial to improving mining rate of resource and prolonging mine life.
提出了3种矸石充填开采对提高资源采出率、延长矿井服务年限的重大意义及推广应用价值。
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