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- nitrogen injection in goaf 采空区注氮
- Numerical simulation study of nitrogen injection for fire prevention and parameter to confirm in goaf 采空区防火注氮过程的数值模拟与参数确定
- Numerical simulation study of nitrogen injection process for fire prevention and extinguishment in goaf 采空区开区注氮防灭火的数值模拟研究
- Do you want to give me the injection in my arm? 你要打在我的手臂上吗?
- the process of nitrogen injection in goal of Y-type ventilation face was numerically simulated, by upwind finite element method through the computer programs (G3). 用迎风格式有限元方法联立求解,通过计算机程序(G3)对Y形通风采空区注氮问题进行了数值模拟。
- Hello, please follow me to have your injection in the infirmary. 您好,请跟我来,在这边的医务室打针。
- Directed at fire prevention in goaf,the paper proposes a method of injecting nitrogen and controlling nitrogen air to flow direction using fugitive air and controlling air quantity in gob. 为解决采空区防火问题,提出从采空区漏入风一侧顺流注氮,充分利用采空区漏风流向控制氮气的流向并控制漏风量的注氮思路。
- Nitrogen injection being used to enhance oil recovery in many oilfields, particularly in overthrust fault. 许多油田,特别是在逆掩断层油藏中,正在大量注氮提高原油采收率。
- Influence on Oxygen Concentration and "Three Zones" Width of Nitrogen Injecting in Gob of Full-mechanized Caving Mining Face 注氮对综放面采空区内氧的浓度和"三带"宽度的影响
- The paper presents a new way of grouting in discrete zone and stowing in goaf. 充填开采增加矿井设备和生产成本,且充填材料来源在某些矿区比较缺乏。
- The effluent water increases slowly at the beginning of nitrogen injection process, then increases at a great speed sharply before gas breakthrough. 当气体注入压力一定时,液体流出量缓慢增加,气体突破之前伴随液量的突然增大;
- Doctors give patients injections in a simple and crude clinic. 海南琼山简陋小诊所里,行医者在给病人输液。
- And, these monkeys were injected in vivo dose must SIV virus. 然后,这些猴子体内均被注入一定剂量的SIV病毒。
- This paper took Yanling oil field as an example, briefly introduce the EOR mechanism of nitrogen injection, construction of nitrogen injection units, nitrog... 结合雁翎油田实例,简要介绍了注氮气提高采收率的机理、注气井组建设、制氮工艺及注气后的采油完井方式、方法。
- Nitrogen injection to the gob with buried pipes is used in 7235 full-mechanized caving mining face in Xuzhuang Colliery to prevent the left coal oxidizing and self-igniting. 摘要介绍了徐庄煤矿7235综放面开采中,采用埋管注氮方式向采空区注氮,防止采空区遗煤氧化自燃。
- The influence imposed by drainage lane to goaf gas distribution is much larger in goaf's top layer than in underlayer. 泄排巷对采空区瓦斯分布的影响上层比下层更大。
- There are many factors influencing spontaneous combustion in goaf, and their relative essentialities are different. 采空区自然发火的影响因素很多,各因素之间的相对重要性不同。
- A mathematical model was established,for spontaneous combustion and the release and movement of CO which generated from coal oxygenation in goaf. 得到CO沿工作面回风边界涌出强度偏重于回风隅角,沿边界分布呈急剧衰减变化;
- The nitrogen injection pilot in Yanling oil field is for EOR of carbonate reservoir with bottom aquifer in high water cut stage under the cooperation with TOTAL French Oil Company. 翎油田注氮井组试验是一项与TOTAL法国石油公司合作开展的针对碳酸盐岩底水油藏注水开发后期提高采收率的现场试验。
- To enhance the efficiency of mine fire control,the technology of three-phase foam for preventing spontaneous combustion of coal in goaf was developed. 针对目前煤矿防灭火技术与材料存在的一些不足,研制了一种用于防治采空区煤炭自燃的三相泡沫材料。