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- The gauge can simultaneously measure quantity and pressure of water infused into coal seam. 该水表能同时测定注入煤层中的水量和注水压力。
- water infusion into coal seam 煤层注水
- The phenomenon of water vaporization during infusing water into coal seam was studied. 对煤层注水的水分蒸发现象进行了研究;
- METHODS:At first,the cut nasal ends of lower lacrimal canaliculi were looked for with the aid of microscope or water infusion into upper lacrimal puncta. 方法:手术中应用粘弹剂从泪小点注入泪囊,根据泪囊的大小、形态及部位,切开泪囊,可争取得到较大的泪囊粘膜上瓣,并与鼻粘膜吻合。
- Prewetting of coal seams by water infusion is an essential measure for dust control at working faces. 煤层注水预湿是采煤工作面防尘的治本措施,添加湿润剂是改善煤层注水效果的重要途径。
- Prewetting of coal seams by water infusion is an essential measure for dust control at working faces.Adding of wetting agent is an important approach for improving water infusion. 煤层注水预湿是采煤工作面防尘的治本措施,添加湿润剂是改善煤层注水效果的重要途径。
- Theory of Water Injection into Coal Seam 煤层注水理论
- Study and Application on Coal Seam Water Infusion %26 Dust Detection Techniques 煤层注水及粉尘检测技术的研究与应用
- Experimental Study of Water Infusion Technology for Special Coal Seam 特殊煤层的注水工艺技术试验研究
- As we know,CO_2 has a higher adsorbability than CH_4.If CO_2 is injected into coal seam,CH_4 can be replaced by CO_2.By using this technology,we can develop the deeply buried coal bed methane in most of our coal basins. CO2的吸附能力是CH4的4倍以上,如果把CO2通过钻井注入到深部煤层中,由于其吸附能力的差异,CH4会被优先置换出来,利用该技术一方面实现封存CO2的目的,同时还能够开发深部CH4。 这种置换技术在我国很多含煤盆地具有广阔的应用前景。
- However, CO2 sequestration technology is a promising method to develop CBM in depth.As we know, CO2 has a higher adsorbability than CH4.If CO2 is injected into coal seam, CH4 can be replaced by CO2. CO2的吸附能力是CH4的4倍以上,如果把CO2通过钻井注入到深部煤层中,由于其吸附能力的差异,CH4会被优先置换出来,利用该技术一方面实现封存CO2的目的,同时还能够开发深部CH4。
- Study on Water Pouring into Coal Seam to Prevent Rock-burst 煤层注水预防冲击地压的研究
- Magma intruding into coal seams in forms of dikes and sills made coal seam splitting,thinning even thoroughly corroded off,thus destructed coal seam continuity and integrality. 岩浆以岩脉和岩床形式侵入煤层,使煤层出现分叉、变薄甚至全部被吞蚀。
- BP neural network method application in feasibility evaluation of water infusion for coal seam 煤层注水难易程度的BP神经网络评价法
- Application Study of Hydraulic Rarefaction Coal Seam Shallow Hole Water Infusion Device 水力疏松煤层浅孔注水器应用研究
- Application of Dustproof Technology of Coal Seam Water Infusion Adding Permeable Bar 添加渗透棒煤层注水防尘技术的应用
- Test and Research on Coal Seam Shallow Hole Water Infusion in Fullymechanized Coal Winning Technology Working Face 综采工作面煤壁浅孔注水降尘的试验研究
- Availability Method of Rib Spalling and Roof Fall Prevention Under Dust Suppression by "Three Soft" Coal Seam Water Infusion "三软"煤层高压注水降尘防片帮冒顶的有效途径
- Injection flue gas into coal seams and abandoned coal mines(wells) for sequestration flue gas,enhancing methane and preventing methane explosion in mine is an advanced and developing technology. 将工业排放废气或空气注入煤层或废弃煤矿中,减少废气排放,提高煤层气回收率,预防煤矿瓦斯爆炸事故的发生是一项具有发展前景的新技术。
- Research on Using Infiltration Stick to Improve the Effect of Water injection into Coal Seam 应用渗透棒提高煤层注水效果研究