2) lower confining bed
底板含水层
1.
Application of transient electromagnetic techniques to grouting reconstruction of lower confining bed;
瞬变电磁技术在煤层底板含水层注浆改造中的应用
3) aquifer floor elevation
含水层底板
1.
【Objective】 The spatial variability of plentiful water aquifer top layer and aquifer floor elevation in Sanhuhe irrigation field is researched using the Geostatistics.
【目的】运用地质统计学理论,对三湖河灌域的富水岩层顶板及含水层底板高程进行空间变异性分析。
4) reform of water bearing layer floor
底板含水层改造
5) water inrush from coal seam floor
煤层底板突水
1.
The main method for predicting water inrush from coal seam floor and evaluating the water inrush degree of coal mining with water pressure is water inrush coefficient method.
煤层底板突水在我国华北型煤田矿井采煤过程中经常发生。
6) coal floor water bursting
煤层底板突水
1.
Firstly a main controlling factor system of coal floor water bursting has established,acquired and normalized main controlling factor data to establish thematic layers through GIS;then put to use of AHP to determine weighted percentage of each main controlling factor,on this basis,coal floor water bursting vulnerability zoning scheme put forward.
为解决开滦赵各庄十三水平的12煤层底板突水评价难题,引用了GIS的AHP型脆弱性指数法,即首先建立煤层底板突水主控因素体系,并通过GIS对主控因素数据进行采集及归一化处理,建立子专题图层,然后运用AHP法确定各主控因素的权重比例,在此基础上提出煤层底板突水脆弱性的分区方案。
补充资料：含水层
见地下水。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条