1、

During breeding for vertical resistance, horizontal resistance tends to decline because of negative selection pressure.

当培育垂直抗性时,由于负的选择压力, 水平抗性趋于下降.

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2、

Vertical and annular reinforcing steel bar stress and pipe-soil contact pressure during pipe jacking were monitored on the spot.

对顶进过程中管道纵向与环向钢筋应力及管土接触压力进行了现场测试。

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3、

An investigation of some measures for reducing wave pressure on vertical wall in the breakwater pier

斜坡堤内侧直立式码头上波压力减荷试验研究

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4、

It has been proved, through field-measured data and model test results, that trench width has much effect on vertical earth pressure on trenched flexible pipes such as steel pipelines.

开槽埋设钢管等柔性管时,开槽宽度对于作用于管道上的竖向土压力有着很大的影响,这已被现场实测和模拟试验结果所验证。

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5、

Based on the loading theory of an elastic earth, and the distributions of dry air and its vertical gradients of temperature under hydrostatic equilibrium, we have theoretically modeled the effects of barometric pressure on the observations of deformation, gravity and tilt.

利用弹性地球负荷理论和流体静力学平衡假设条件下的干空气及其垂直温度梯度分布,理论计算了大气压力作用下地表位移、重力和倾斜格林函数。

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6、

In the soil around a horizontal buried pipe, temperature 、 water saturation and pressure change in lateral migration is not very significant; On the contrary, on the vertical gradient, temperature 、 water saturation and pressure change is significant.

在地埋管周围土壤水平方向,温度、水饱和度和压力在横向迁移的变化不是很显著;相反,在纵向梯度上,温度、水饱和度和压力变化较为显著。

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7、

It has been gotten that the laws of acceleration, dynamic earth pressure, vertical and horizontal accumulated deformation, accumulated tensile strain of reinforcement under cyclic loading with different amplitudes and frequencies. 3.

获得了不同荷载幅值、频率和加载次数下生态型加筋土挡墙不同部位的加速度、动土压力响应规律,挡墙的竖向和水平向变形的累积变形规律以及筋材累积拉应变增长规律。

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