1)soft coal软煤
1.The mining practice is introduced in the fully mechanized caving coal face of large in clination,hard roof,soft coal,soft bottom and thinck coal bed.介绍了新疆焦煤集团主焦煤公司在大倾角坚硬顶板、软煤、软底较薄厚煤层综采放顶煤的开采经验,论述了开采工艺特点及技术措施。
2.The caving reasons of the rib area in front of supports is analyzed,at the fully mechanized caving coal face,in the hard roof,soft coal,soft bottom and large inclination thick coal bed.系统地分析了坚硬顶板、软煤、软底大倾角较薄厚煤层综采放顶煤工作面架前煤壁区冒落的原因,以及采取的预防措施和处理方法。
3.Through the crack test of big soft coal samples from Wuyang Mine on real triaxial test machine,the fundamental mechanical properties of strength and deformation are obtained and the crack evolutionary way are discussed.在真三轴压力机上通过对五阳矿软煤大煤样的压裂实验,得出了软煤在强度、变形方面的基本力学特性,探讨了软煤的裂隙演化特征,即裂隙演化经历扩展、加密、再扩展与再加密四个过程,所得结论对理论研究和工程实践具有现实的指导意义。
英文短句/例句
1.A Study of the Rib Fall Mechanism in Soft Coal and Its Control at a Fully-Mechanized Top-Coal Caving Face软煤综放面煤壁片帮机理及防治研究
2.Research on Equipments Coordination for Shearer in Soft Coal Thin Seam with Hard Roof硬顶软煤薄煤层滚筒采煤机设备配套研究
3.Study the Laws about Steep Soft Coal Seam Coal and Gas Outburst;急倾斜松软煤层煤与瓦斯突出规律研究
4.Study on Technology of Soft Coal Seam Rib Spalling Preventing by Water Infusion with Shallow Holes松软煤层煤壁浅孔注水防片帮技术研究
5.Selection of Hydraulic Powered Top Coal Caving Support and Three Equipment Matching Applied to Deep Inclined Seam with Soft Roof,Soft Coal and Soft Floor大倾角三软煤层放顶煤支架选型及三机配套
6.Fully Mechanized Top Coal Caving Mining Technology in Combined Seams with Close Distance and with Soft Roof,Soft Coal and Soft Floor in Guobei Mine涡北煤矿近距离三软煤层合并综放开采技术
7.Prevention and Control of Floor Pressurized Water in Coal Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor in Chaohua Mine超化煤矿三软煤层采煤工作面底板承压水的防治
8.A soft, brownish - black coal in which the alteration of vegetable matter has proceeded further than in peat but not as far as in bituminous coal.褐煤一种褐色软质煤,植物性物质的变化程度比泥煤重但比烟煤轻
9.Technology of Gas Outburst Elimination,Gas and Coal Dust Management with Water Injection in Coal Seam at Coal Face in "Three Soft" Coal Seam“三软”煤层采煤工作面煤层注水消突治理瓦斯、煤尘技术
10.Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application轻型钻掘机在“三软”煤层煤巷掘进中的应用
11.Application of big-obliquity angle mining in three-soft seam in Shitai Coal Mine“三软”煤层大倾角开采在石台煤矿的应用
12.Deep "three soft" measures inclined roadway open seam of cosl-process research of technologies深部“三软”煤层斜井措施巷揭煤防突技术研究
13.Plowability of plow mining on thin and soft coal seam with hard roof坚硬顶板松软薄煤层刨煤机开采可刨性研究
14.Research and Application of Strengthening Technology at Coal Roadway Crossing Point in "Three Soft" Coal Seam“三软”煤层煤巷交岔点加固技术研究与应用
15.Application of Coal-bearing Formation Rock Depositional Features in Three-soft Coal Seam含煤岩系沉积特征在“三软”煤层中的应用
16.Software implementation of new generation γ coal ash analyzer system新型γ辐射煤灰分仪系统软件的设计
17.The Software Realization of Online γ Radial Fly Ash Management System在线γ射线煤灰分仪系统的软件实现
18.Building coal bed geological model by SURFER应用SURFER软件建立煤矿床地质模型
相关短句/例句
three soft coal seam三软煤层
1.Numerical simulation for bolting net spray composite support of three soft coal seam tunnel三软煤层巷道锚网喷联合支护的数值模拟
2.Analysed the reason of roadway supporting problem,based on heave problem of roadway in three soft coal seam,depth of pressure-relief bore hole was optimizated with numerical simulation,specific solution was proposed,too.分析了偃龙矿区软岩巷道难以支护的原因,针对三软煤层巷道底鼓问题,采用数值计算方法对底板卸压钻孔深度进行优化设计,并给出了具体的解决方案,即位于底板中部直径为150~300 mm的卸压钻孔,深度应大于巷道底板宽度的一半,小于锚索锚固段的作用范围。
3)three-soft coal seam三软煤层
4)soften coal seam软化煤层
1.Application of water injection to soften coal seam at mechanized caving mining face of the first mine of Meihe;注水法软化煤层在梅河一井综放中的应用
5)soft coal seam松软煤层
1.Study on fastly extincting burst technique when tunneling in soft coal seam松软煤层巷道掘进快速消突技术应用研究
2.Improving the penetrability of soft coal seam with self-excited oscillation water jet自激振荡射流改善松软煤层渗透率的机理
3.Based on analysis about status of coal seam infusion technology and soft coal seam preventing rib spalling technology and used coal’s failure mechanism、strength theory and coal’s wetting mechanism, the mechanism of shallow holes infusion at coal wall preventing rib spalling in soft coal seam was analyzed.本文在分析国内外煤层注水技术和松软煤层防片帮技术的研究现状的基础上,运用岩石的破坏机理、强度理论和煤的润湿机理等理论知识,分析研究了松软煤层煤壁浅孔注水防片帮技术的机理,通过实验得出对松散煤体不同含水率条件下的力学性质的变化规律,并进行了现场工业性试验,验证了煤壁浅孔注水防止松软煤层煤壁片帮较好的技术效果。
6)soft coal roadway软岩煤巷
延伸阅读
标准煤(见煤当量)标准煤(见煤当量)standard coal 、~‘~1人、4《1工兀飞coal)见煤当等