miningn. 1.采矿(业) coal miningadj. 煤矿业的 最新单词 attendance order是什么意思【法】 出席令 attendance of witness什么意思及同义词【法】 证人出庭 attendance in chamber的中文意思【法】 在内庭出庭 attendance cost的中文解释【化】 维修费
美[ˌoʊvərˈbɜrd(ə)n] 英[ˌəʊvə(r)ˈbɜː(r)d(ə)n] n.覆盖层;表土;【地】浮盖层;重担 v.使负担过重 网络超载;过载;装载过多 第三人称单数:overburdens现在分词:overburdening过去式:overburdened 同义词 ...
We investigated differences of overburden failure induced by mining multiple seams in ascending and descending sequences under a large water body. A case study that involves mining in an ascending sequence was the Beizao coal mine, which is under the Bohai Sea, and one that involves mining in ...
Mining with fillingWater and sand inrushMining under water bodyWater flow fractured zoneThis paper investigates the heights of overburden failure with cut-and-fill mining method using empirical formula, scaled model tests and numerical simulations. An equivalent cutting height was proposed for ...
paste resulted that the macro-mining pressure was not obvious in the face,but the situation of coal mined out in three sides of the face leaded that the working resistance on supports became greater,and the ground pressure occurred more obviously,especially after the longer stop of the mining....
in each one of the multiple sections of the mining working surface, controlling a mining rate in mining according to a preset coal ash daily through-put capacity Q of the grouting drill holes so that the mining rate is less than a calculated mining rate v, and controlling the mining rate ...
The study of water-conducting fracture zone development height is key to the scientific prevention and control of water damage in mines. Based on the geological conditions of the Wenjiapo coal mine in Binchang, China, this paper investigates the developm
In this study, Acacia pulchella , a native Western Australian species often used in rehabilitation of mined lands, was shown to nodulate and grow in coal mining overburden with pH values less than 4.0 under glasshouse conditions. Plant growth (both top and root dry weight), nodule fresh ...
Additionally, lemongrass efficiently phytostablized Pb and Ni in the roots. Based on the strong plant performances, the present study highly encourages the cultivation of lemongrass in coal mining dumpsites for phytostabilization coupled with cow-dung manure application (20% w/w). Graphical Abstract ...