Based on the geological and mining conditions and occurrence characteristics of loose aquifer of Xinglongzhuang Colliery,water bursting cause of 4303 full-mechanized caving mining face under loose aquifer was analyzed,the prevention measures of the 3rd aquifer and reasonable dimension of coal pillar for sand proof were discussed in this paper.
根据兴隆庄煤矿地质采矿条件,结合松散含水层赋存特征,分析了四采区4303综放工作面第四系松散含水层出水的原因,探讨了防治三含水的技术途径和留设防砂煤柱的合理尺寸。
The water bursting of No.
新安煤矿井下2#水文孔硐室出水原因系水文孔漏水所致。
There are some excretion, remnants of nutrient, remnants of medicament, living food and some pathogen in the effluent of Mari-culture workshop.
鱼、虾、贝等人工育苗场的出水中含有大量的排泄物、残饵、残余药物及病原微生物,但目前国内几乎所有的鱼苗场的出水均采用直接排海的办法,对近海生态环境的破坏日益严重,妨碍水产养殖的可持续发展。
2D and 3D time-resolved PIV experiments on flow field around vertical and inclined water-exit body;
垂直及斜出水流场的二维及三维TR-PIV试验
Water-exit is a complicated phenomenon.
本研究通过用 MAC 方法模拟了锥柱组合体在出水过程中的流场,定性上给出了空泡、自由面的发展变化过程以及空泡周围的压力场和速度场。
Factors Influencing Filtration Results of Suspended Solid on Produced Water;
影响采出水悬浮物过滤效果的因素
Bacteria Growth in Produced Water Owing to Injectivity Profile Modification Treatment with Xanthane/Chromium Gel;
交联黄原胶调剖引起采出水中细菌增生的研究
Progress of produced water reinjection treatment in oilfield;
油田采出水回注处理技术进展
How water quality of secondary effluent influences the performance of pilot-scale ozone-microfiltration process?;
二级出水水质对中试臭氧-微滤工艺运行的影响
The experimental studies for reverse osmosis process rejects heavy metal irons in secondary effluent;
反渗透膜截留二级出水中重金属离子试验研究
Temperature characteristics of secondary effluent and its thermal application;
再生水二级出水水温特点与热利用