您要查找的是不是:
- Measures for Controlling Tunnel of Dynamic Pressure Duplicate Influence in Complicated Surrounding Rock under Conditions of Isolated Coal Column 孤岛煤柱下动压重复影响复杂围岩大巷扩修治理措施
- isolated coal column 孤岛煤柱
- The isolated island working face is surrounded with the goaf and its Surrounding coal column and goaf have a tendency of spontaneous combustion. 孤岛综放工作面四周均与采空区相连,其四周煤柱和工作面采空区易于出现自燃发火。
- The principal period of volcanic activity produced large volumes of mainly acid and basic volcanic rocks accompanied by volcaniclastic sediments which contain isolated coal seams. 火山活动的主震时期产生了大量的主酸性以及基性火山岩,并伴随着火山碎屑沉积物,且其中包含着分离的煤层。
- At present in gasoline de-mercaptan Process active carbon is mainly in forms of coal column and fruit shell(coconut,apricot,etc). 目前应用于炼油厂汽油脱硫醇装置的活性炭有煤质柱状活性炭、果壳(椰壳、杏壳等)活性炭。
- Based on remains supposes coal column mining determined,and further to the plan optimization design, remains supposes coal column mining had determined reasonable the width. 在确定了留设煤柱开采的基础上,进一步对方案优化设计,确定了合理的留设煤柱的宽度。
- It has outlined the law of geometry formula computation as well as the formula derivation of the coal amount among the range of protecting coal column,has pointed out the superiority of this law comparing with the traditional method. 概述了保护煤柱留设的几何公式计算法以及保护煤柱压煤量公式的推导,与传统方法作了类比,指出此法的优越性。
- Uses in the coal column filling to filter the decolorization,may reduce the powdered carbon amount used, improves the monosodiumglutamate quality, department head the coal column service life. 用于炭柱装填过滤脱色,可降低粉炭用量,提高味精质量,延长炭柱使用寿命。
- This paper discusses the reliability of narrow coal column support from load-bearing capacity, pin timbering manner, small hole anchorage cable strengthening and top paste injection etc. 从保证窄煤柱承载能力、顶锚杆支护形式、小孔径锚索加固、顶板预注浆等方面论述了采用窄煤柱支护的可靠性。
- Through surmounting solves the technology knotty problem of retrieving coal column of mining area with the system mechanization mining technique.By application in mining process the effect is better. 通过攻关,解决了综采工艺回收盘区煤柱的技术难题,经过在开采过程中的应用,效果良好。
- The hermetic confines of an isolated life. 与世隔绝生活的不受外界干扰的区域
- Sufferers from the infectious disease are isolated. 感染到这种传染病的人被隔离起来。
- The enemy was holed up in a few isolated strongholds. 敌人龟缩在几个孤立的据点里。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Keywords fault;elas-plastics;joint;shaft coal column; 断层;弹塑性;节理;井筒煤柱;
- A deep or isolated place of confinement; a dungeon. 地牢,土牢深而隔离的拘留地; 地牢
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- Scientists have isolated the virus causing the epidemic. 科学家们已分离出引起这种流行病的病毒。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。