ground surface

Analog Amplifier in Digital Ground Surface Tiltmeter

数字地倾斜仪的模拟量放大器

This paper concerns with the possible mechanism of ground surface deformation given rise by pumping of water at a constant rate Q from a pressurized water horizon through a single water well.

本文主要探讨了对承压水层上的单井，以定流量Q抽水时造成地面形变的可能机理。

Under intermittent operation condition, temperature recovery at night and load trace at the end of running period of three ground surface forms are compared.

对间歇运行工况下，三种上垫面形式下的夜间恢复情况和运行周期末的负荷痕迹值进行了对比分析。

The study fills the empty of tidal gravity observation in the Crustal Movement Observation Network of China and can provide the effective reference and service to ground surface and space geodesy.

本项研究填补了中国地壳运动观测网络在该地区重力固体潮观测空白，为地表和空间大地测量提供有效参考和服务。

The results show that after 45h of cavitation erosion test, the mass loss of the specimen with ground surface was 1.57 times of that with TIG remelted surface.

结果表明：在45h空泡腐蚀试验后，磨削试样的累积失重量是TIG表面重熔试样的1.57倍；

This utility model provides a wall-type tumbling-box washing machine being capable of saving utilization area of ground surface.

本实用新型提供一种可节省地面使用面积的吊壁式滚筒洗衣机。

Some improvements on calculating phreatic water permeating recharge and ground surface evaporating capacity by ZFP

对零通量面法测算潜水入渗补给量和地表蒸发量的一点改进

The stress field and the ground surface deformation associated with a vertical tension crack in a semi-infinite ground medium

半无限地下介质中与垂直张性裂缝相关联的应力场和地面形变

Mutual Influence between Underground Engineering Construction and Ground Surface Building

地下工程施工与地表既有建筑物的相互影响

Application value of organic ground surface mulch in urban forestry construction

有机地表覆盖物在城市林业建设中的应用价值

The G& T city ground surface deformation monitoring system is the integration GPS technique and the total station instrument technique.

G&T城市地表变形监测系统是GPS技术与全站仪技术的集成。

Based on the analytical solution of heat conduction equation, an equation of temperature wave of the type of Fourier series was derived to predict the response of temperature at variable depths to ground surface condition.

通过热传导方程对土壤中的传热过程进行分析，得到傅立叶级数表示的温度波方程，用于预测不同深度土壤响应地表条件而产生的温度变化。

Gob of sublevel caving will not cause ground surface downgoing.

崩落法开采形成的空区不会对地表造成沉降危害。空区不用处理，可以任其冒落；

Engineering applications and energy-saving benefit of ground surface water source heat pump systems

地表水地源热泵系统工程应用及节能效益

Numerical Simulation of Ground Surface Subsidence Caused by Underground Mining

地下开采引起地表沉陷的数值模拟

Through observing the microcosmic image and back-scattered three-dimensional picture of the ground surface of polycrystalline diamond ( PCD), this paper studied the grinding mechanism of PCD material.

本文通过观察聚晶金刚石（PCD）磨削表面的微观形貌及背散射立体像，研究了PCD材料的磨削机理。

When calculating insertion loss by BEM, materials of barrier, shape of barrier and ground surface type can be involved.

边界元法计算插入损失时可以考虑声屏障各部分具体材料、形状及地面类型。

The boundary between the third member and the fourth one is thought to be the N/ Q boundary which lies at the depth of 370m from the ground surface.

第三与第四岩性段的界线即为N/Q界线，该界线位于孔深370m处。

Study on ground surface disaster of highway caused by underground mining

高速公路的下伏开采沉陷灾害的研究

The low pressure is not a true meaning subnormal pressure, because that the piezometric surface is lower than the ground surface, but people give a wrong assumption in the course of showing the relative size of pressure.

在中国西部盆地，因地形起伏较大，承压面低于地表，使得地层压力偏低，但并非真正意义上的低压，只是由于表达方式（起算深度是否等于地表）的原因而造成。

Subgrade and foundation engineering is a kind of concealed work, which is located under the ground surface.

地基与基础位于地面以下，属于隐蔽工程。

A free piston thin wall sampler was used to obtain undisturbed specimens of natural sedimentary silty soils from ground surface to the depth of 70 m. A series of tests were performed on both the undisturbed and the remolded/ reconstituted samples.

采用自由活塞薄壁取土器自地表至深度70m取得不扰动原状粉质土样，通过一系列物理力学试验，对比分析了天然沉积粉质土与天然沉积粘性土的异同。

HONE: To smooth or finish; to polish. A process used to smooth a ground surface.

珩磨：对磨加工过的表面进一步进行抛光、磨光处理。

In this paper, it is pointed out theoretically that the ground surface tilt is not observed by only tiltmeter, but must be determined by both tilt and gravity earth tide data.

本文从理论上阐述了单靠倾斜仪不能监测地面倾斜，必须联合倾斜和重力固体潮资料才能测量地面倾斜。

The settlement of ground surface due to the construction of tunnel is the main cause which results in the damage of the appearance and the function of buildings on the ground surface.

城市浅埋隧道施工引起的地表沉降是造成各种地表上部建筑物损害的主要原因之一。

The soil in a sediment basin near ground surface is soft. It has a remarkable amplification and filtering effects on earthquake wave and can change the characters of the amplitude and spectrum of ground motion wave significantly.

大型沉积盆地中，近地表土层比较松软，对地震波有明显的放大和滤波的作用，可以显著改变地震动的幅值和频谱特征。

Based on the simulation test and observation of ground surface temperature and total radiation on the hillside, a regression equation is obtained.

通过坡地地表温度和坡地总辐射的模拟试验观测，建立了推算丘陵山区地表温度与总辐射的回归关系式。

The application of ground surface grouting reinforcement in extreme shallow-buried tunnel

地表注浆加固地层在极度浅埋隧道中的应用

The fault scarp in ground surface approximately is along the fault face that consists of Cretaceous sandstone and Archaean gneiss. The lime-stone rocks bed up against the coal.

断层陡坎与白垩系砂岩和太古界片麻岩之间的断层位置大致吻合。石为岩层紧靠着煤矿层。

Main conclusions are described as follows: 1. The dynamic response of cast-in-situ concrete thin-wall pipe pile composite foundation reactes strongly on the horizontal ground surface, and gradually decreases from the centre of the reinforced area to the marginal zone.

论文主要结论如下：1.现浇混凝土薄壁管桩复合地基地表水平向动力反应强烈，由加固区中心向边缘逐渐递减。