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。