查询词典 overburden

The process of ore- drawing in block caving is completed under overburden.

自然崩落法放矿基本上都是在覆盖岩层下进行的。

How to solve the dynamic problem of rockfill dams on deep overburden by earth face seismic wave is discussed and the settlement measure coming near to realistic conditions of the project, is presented.

对如何利用地面波求解深覆盖层上堆石坝动力问题进行了讨论，提出了比较近似接近工程实际情况的处理办法。

The calculation method of surface subsidence due to mining with grout ing into overburden separation is presented.

这些结论，对该方法的推广应用有一定的指导作用

With high quality ,thick reservoirs recovery of more than 60% and SORs of about 0.3~0.5 are obtained but in thinner, and in anisotropic reservoirs with lower oil saturations large quantities of steam are required to heat the depleted reservoir and the overburden .

蒸汽辅助重力泄油是开采超稠油油藏的一个比较有效的方法，对于均质厚层状稠油油藏，采收率可达60%以上，油汽比可达0.3～0.5，具有较高的经济效益。

The fixed-NH+4 capacity of all natural layers in lou soil was determined in this thesis,they were 482.2±10.4,1134.9±4.0 and 553.0±11.3 mg N／kg soil in overburden layer,claying horizen and loess parent material horizen respectively.

确定了土娄土各自然层的固定态铵容量，覆盖层、粘化层和黄土母质层分别为(482.2±10.4) mgN/kg、(1134.9±4.0) mgN/kg和(553.0±11.3) mgN/kg土。

The emphases of this thesis are put on the computation methods of seepage in dike, the applicable conditions of seepage control measures (including vertical cutoff wall, overburden soil layer at landside of dike, relief well, and so on), and optimal design of these seepage control measures.

本文重点在于研究堤防渗流计算方法，探讨垂直防渗墙、盖重压渗和减压井等渗流控制措施的适用条件，以及这些渗控措施的优化设计。

In chapter 4, by analyzing the interchange of seepage water between overburden layer of weak permeability and sandy gravel bed, a short computer program for adopting weighting soil layer on the landside of dike is put forward, the optimal design schemes about combination weighting soil layer with inverted drainage works are studied.

第四章 通过分析堤基弱透水覆盖层与下卧砂砾层之间的渗流关系，创建了堤防背水侧盖重压渗的快捷计算模型并研制了相应的计算软件，提出了盖重压渗与反滤导渗相结合的优化设计方案。

The problem of minimum overburden encountered in designing hydraulic pressure tunnel is described.

为此，本文主要做了以下几方面的工作： 1。

Inclined to teach or moralize excessively .To weigh down excessively ;overburden or oppress.

给…太多的分量以过重的份量将…压倒；使负担过重或压迫、使感沉重

With safety and reliability,the new mode sustains steep slope mining ,increases the angle of ultimate slope,and reduces 3%～5% of noneffective overburden amount.

通过新桥缓倾斜散体结构边坡工程模式的研究，提出了基于陡帮开采的安全清扫平台新模式。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。