Based on silo model, the expression of supports that maintain the equilibrium of excavation face on big gradient route is deduced.
4.以筒仓理论模型为基础,建立了大坡度时维持盾构隧道开挖面稳定所需支护力的表达式。
参考来源 - 小半径、大坡度盾构隧道施工力学特性研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Because the temperature gradient indoor is too large for heating system of big workshop, it is made its heat sumption to increase and energy to lavish.
高大厂房的采暖由于室内温度梯度过大,造成热耗量加大,浪费能源。
This thesis adopts a gradient image registration method which is based on the Taylor theory. Since it can provide a good registration for big shifted image.
本文采用了基于梯度法的运动估计,因为它能很好地对大位移的图像进行精确的配准。
The result shows that the change of gradient of kick-off pressure, the storage ratio and the ratio of formation coefficients have relatively big effect on the slug flow well test result.
结果表明:启动压力梯度、层间储容比、地层系数比的变化对段塞流试井解释结果有较大的影响。
应用推荐