您要查找的是不是:
- The coal seam in Daming No.1 &No.2 Mines, Tiefa Mining Administration is overlain by a rich water bearing Quaternary sand layer. 铁法矿务局大明一、二矿的煤层上覆为含水丰富的第四系砂层。
- The impervious wall of this project is located in water bearing sand and gravel, the collapse hole takes place due to some factor affect, the deep well lower water level measures are adopted. 本工程防渗墙在富含水砂卵砾石地层施工中,由于各种因素引起严重塌孔,施工中采用了深井井上降水措施。
- water - bearing sand layer 含水砂层
- The running water bearing spring will pass away. 江水流春去欲尽。
- When topsoil for rich contain water of pound at layer or flow a sand layer, the inclined and tidy tube dig into the technique complications, sometimes hard pass. 当表土为富含水的冲击层或流砂层时,斜井井筒掘进技术复杂,有时难以通过。
- The results show that the sand layer apparently influences capillary water rising height, rate and groundwater supply amount, and has obvious retarding effect on soil water. 结果表明,砂层对毛管水上升的高度、速率以及地下水补给量有明显影响,砂层对于水分有着明显的阻滞作用。
- The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases. 阻力随干砂层长细比的增加而急剧减小。
- Wu X H, Yang J Z.Optimization design of predewatering water bearing stratum [J].Zhongzhou Coal, 2000(02) :4-5. [5]吴新华;阳金知.;合理优化设计超前疏放含水[J]
- TianHuang is found in the field along the side of Gaoshan mountain stream.It is the monazite stone in ancient sand layer. 田黄藏于寿山山溪两旁水田底层,是古砂层中的零散石块。
- The research on probing into water bearing structure and watery of fore and lateral survey under coal mine is made by TEM. 利用瞬变电磁法在煤矿井下巷道开展了超前和侧向探测含水构造及富水性的试验研究。
- Mountain stream simple, lake water tranquilness, river water lively, must have the river water bearing, the sea water mind. 溪水的纯朴,湖水的恬静,河水的活泼,也要有江水的气度,海水的胸襟。
- Near-surface giant-thickness of sand layer in large desert area is a basic reason seriously attenuating high components of seismic waves and reducing seismic resolution. 大沙漠区近地表巨厚沙层是导致地震波高频成分严重衰减、地震分辨率降低的根本原因。
- The infection of deep part mining to draining of superficid part water bearing ground,thickness of coal bed and obliquity to mining are analyzed. 分析了覆盖破坏的覆岩岩性及结构对地表移动和覆岩破坏的影响,深部开采对浅部含水层疏干、煤层厚度及倾角对开采条件的影响;
- Its very difficult to distinguish hydrocarbon bearing reservoirs from water bearing reservoirs electrically because of the similar resistivity between them. 摘要由于低阻油层的电阻率低于或接近邻近水层的电阻率,给测井评价带来很大难度。
- Chlorine Energy Spectrum Log provides a new method for determining remaining oil saturation.It can identify oil bearing strata and water bearing strata quickl y and intuitively. 氯能谱测井为确定剩余油饱和度提供了一种新的测井方法,它能快速、直观地识别油水层。
- Abstract: Introduceing the pedestrian subway construction method works and fitted technical measures with the shallow depth and covered cut method at the saturated sand layer in the city in the light of Pedestrian Subway of Xiangxi-Road Works. 文摘:结合向西路地下人行通道工程实例,介绍城市饱和含水砂层中采用浅埋暗挖法修建地下人行通道施工方法和配套技术措施。
- The only discovered animals are water bears, mites, microscopic rotifers. 能够发现的动物只有海蜘蛛、螨和微小的轮虫。
- Vertically, late diagenetic period B sand layer is advantageous for oil and gas gathering, while late diagenetic subperiod A3 sand layer is disadvantageous for oil and gas gathering. 纵向上,晚成岩B期的砂体有利于油气聚集,而晚成岩A3亚期的砂体不利于油气聚集。
- Some species of water bears actually have rudimentary excretory organs. 实际上,水熊的某些种类在未发育完成时已经有排泄器官了。
- With the increase of cutoff wall's extending length, maximum seepage gradient of sand layer and seepage gradient of exit surface gradually decrease in the cross section of left bank near the dam toe. 随着防渗墙延伸长度的增加,坝趾处左岸横断面砂层的最大渗透坡降及出逸面的渗透坡降均逐渐减小;