estimated time of departure

Subsidence prediction and surface deformation monitoring and analysis in Beiminghe Iron Mine,China;

北洺河铁矿开采沉陷预计及地表变形监测与分析

Progress prediction of surface movement and deformation;

动态地表移动和变形预计方法

Improvement on probability integral method prediction come down quantity;

概率积分法预计下沉量的改进

For equipment support in the future warfare,the estimation of the equipment damage in warfare is the nuclear problem.

针对装备战损量预计这一未来作战装备保障必须解决的核心问题,运用兰彻斯特方程探讨解决途径。

Influence and forecast of vertical repeated coal-mining on the ground subsidence in mine area;

垂向重复采动对煤矿区地表沉陷的影响及其预计

A self-contained forecast model of mining subsidence is obtained,that is,the subsidence of surface is equal to direct model of mining plus additional concretion subsidence model plus addit.

通过研究获得了一个完备的开采沉陷预计模型,即地表沉陷=开采直接影响模型+附加固结沉陷模型+附加流动沉陷模型;获得了地表裂缝深度和宽度的估算公式。

This paper forecasts the dedimentation deformation of the railway bridge cased by coal mining, by comparing the forecasted value with survied result shows that the forecast method is doable.

对因开采地下煤炭资源造成的铁路桥的沉降变形进行了预计,通过预计值和观测值的比较,说明该预计方案是可行的。

21 coal seam at Zhaojiazhai Mine Shaft is estimated and evaluated by two different calculated methods , steady flow and non - steady flow.

用稳定流、非稳定流两种不同的计算方法预计、评价了赵家寨井田二_1煤层底板-300m水平矿井涌水量。

Clarify an theory and method using motion reliability for description mechanism motion precision, error impress course and production to come ture economy estimate.

阐明用运动可靠度描述机构动态精度、误差传递过程及对产品实现经济性预计的原理和方法。

Study on rock movement factors analysis and subsidence prediction method based on rough-set theory and artificial neural network;

基于粗集与神经网络相结合的岩移影响因素分析与开采沉陷预计方法研究