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- Technique of Grouting in Remaining Water Proof Coal Column in Xiezhuang Coal Mine 协庄煤矿残存防水煤柱注浆施工技术
- water - proof coal column 防水岩柱
- 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。
- This cloth is proof against water. 这种布是防水的。
- 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 clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- The tent is proof against water. 这帐篷是防水的。
- Putting water in brandy is sacrilege. 在白兰地中掺水是可恶的事。
- Test of coal mining with sand proof coal pillar under gravel aquifer 砂砾石含水层下留设防砂煤柱的开采试验
- Water contains hydrogen and oxygen. 水含有氢和氧。
- He cooked the pasta in a large pan of boiling water. 他用一大锅开水煮义大利面食。
- I put the shirt in soapy water to soak out the stain. 我将衬衫浸在肥皂水里以去除污渍。
- Fill your radiator with water, or your engine will overheat. 给你的散热器充水,否则引擎会过热。
- Let the tea leaves steep in boiling water for five minutes. 让茶叶在滚开的水中浸泡五分钟。