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- rivers security coal column 河流煤柱
- 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。
- 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。
- 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。
- And the Yangtze River Securities analyst Liu Jun told reporters, investors can not deification of the stock market stabilization fund results. 而长江证券分析师刘俊告诉记者，投资者也不能完全神化平准基金的入市效果。
- Dangerous effluent is being poured into our rivers. 有害的废水正流入我们的江河里。
- Continually heavy rain made some rivers act up. 连续不断的大雨造成一些河流泛滥。
- The river had worn a ravine between the hills. 那条河在两山之间已造成一个深谷。
- Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点？
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁，所以在这条河上航行很困难。
- The police dredged up the parcel from the muddy river. 警方从浑浊的河水中捞出包裹。
- It's a rich mosaic of meadows, rivers and woods. 这是一幅由草地，河流，树木组成的五光十色的镶嵌画。
- Keywords fault;elas-plastics;joint;shaft coal column; 断层;弹塑性;节理;井筒煤柱;
- A pregnant lady rescued him from the Suzhou River. 一个孕妇把他从苏州河救了起来。
- The river opens out suddenly into a broad estuary. 江面忽然开阔起来，形成一个宽广的河。
- The river flows through the city from east to west. 这条河从东到西贯穿这座城市。
