查询词典 subsurface

Based on some studies at home and abroad, with analysis on water damage in pavement, design method of subsurface drainage system is discussed in this paper, and the major technical performance indexes is introduced too. Through much theoretical analysis of laboratory experiments, mechanism properties and composition design method of porous cement-treated macadam is obtained.

本文在参考国内外研究成果的基础上，通过分析路面水损害机理，探讨了路面内部排水系统的设计方法，介绍了路面内部排水系统的主要技术性能指标，结合室内试验分析，探讨了多孔隙水泥稳定碎石材料性能和组成设计方法。

And a new method is presented to describe the profile of ground settlement around a shield tunnel. And then it is used to estimate subsurface ground settlement with the equation presented by Mair.

另外，在已有研究成果基础上，提出了一种新的盾构隧道沉降槽的描述方法，并结合Mair等提出的计算公式对盾构隧道施工引起的地表下土体沉降变位进行预测。

Results of electrical survey using noncontact electrodes agree with that of other methods for shallow subsurface investigation.

结果表明，不接触电极电法在浅层探测中与其他电法探测结果一致。

Suitable conditions for subsurface irrigation most often occur on glacial outwash plains, terraces, or deltas in humid or sub-humid areas.

适宜于地下灌溉的条件最常出现在冰川冲积平原、梯田或湿润、半湿润地区的三角洲地带。

The method in this article can illuminate the subsurface targets under complex overburden.

本文方法可显现复杂盖层下目标的照明情况。

Seismic data acquired in this area has a very low S/N ratio due to complex near-surface conditions. Seismic imaging becomes difficult because of complex subsurface conditions with overthrust structures and faults.

由于地形起伏大，近地表结构复杂，采集的地震资料信噪比较低；以推覆构造为主体的地下地质复杂性给地震成像造成极大的困难。

The steady-state principle of constant-head well permeameter, which was used to calculate the field-saturated hydraulic conductivity, was applied to quantify the suitable emitter discharge rate for indirect subsurface drip irrigation under different water-conducting device specification conditions in this text. Using the calculated emitter discharge rate to supply water, characteristic parameters of wetted soil volume were studied during the water movement process.

该文将恒定水头钻孔积水入渗求解土壤饱和导水率的稳态原理用于定量化求解间接地下滴灌技术中与任意导水装置尺寸相匹配的滴头流量，并以计算的技术参数为基础，研究了间接地下滴灌水分运移过程中的土壤湿润体特征参数。

Based on the principle of PEC, surface cracks mainly affect the high frequency components and subsurface crack mainly affect the low frequency components, so the PEC signals can be analyzed in frequency domain, which can eliminate the influence of noises during measurement. A method of frequency spectrum separating point is proposed for flaw classification, which enhances the accuracy in classification of defects. The agreement between theory and experiment shows that the present method is valid and applicable.

通过对脉冲涡流的理论分析发现，表面裂纹主要影响脉冲频谱中的高频成分，而表面下裂纹主要影响脉冲频谱中的低频成分，因此可以将时域中易受噪声影响的脉冲涡流信号变换到频域分析，提出了"频谱分离点"的方法来对裂纹进行分类识别，提高了缺陷分类识别的正确率，理论分析和实验结果相一致，证明了该方法的正确性和有效性。

The storage of radioactive waste in the subsurface is a possible solution of their ultimate disposal.

放射性废料的地下贮存是彻底处理它们的一种可行解决办法。

High-resolution aeromagnetic data of the Takabarea were used to remap the main geological units and infer the subsurface geology.

高分辨率航磁资料的takabarea被用来remap主要地质单位和推断地下地质学。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。