土壤孔隙

电动力学技术利用电渗析、电迁移和电泳使土壤孔隙中的水和荷电离子或粒子发生迁移运动。

The electrokinetics is able to drive water and ions to move through soil pores including electromigration , electroosmosis and electrophoresis under electric field .

土壤孔隙由微孔、中孔和大孔构成，其中微孔体积占所测孔体积的10%左右。

Soil pores were constituted by micropore , mesopore and macropore . Micropore volume was accounted for about 10 % of the total measured pore volume .

土壤孔隙在mm尺度上也具有较高的变异度和复杂度；

Pore has high variability on 2 mm scale as well as high complexity .

VOCs在土壤孔隙中扩散模型的适用性

Applicability of Diffusion Models for VOCs in Porous Soils

长期施用EM堆肥，土壤孔隙多，通气性好，土壤耕层增厚，有机质含量提高，土壤螨种类与数量最多。

Soil porosity and aeration got well , furrow layer incrassated > the organic matter increased and there were more species and quantity of soil mites in the plots which have used EM compost for a long time .

培养结果说明，在相同的土壤孔隙水含量（WFPS）条件下，土壤由湿变干过程产生的N2O通量高于土壤由干变湿过程中的产生量；

Incubation test showed that when soils have same water filled pore space ( WFPS ) content , the influence on N 2O emission of soil from wet to dry is bigger than that from dry to wet .

基于序列图像的土壤孔隙网络模型构建

Network Model Reconstruction of Soil Pore Based on the Serial Digital Images

土壤孔隙网络模型的程序设计与实现

Design and Realization for Network Model Reconstruction of Soil Pore

用于研究土壤孔隙三维结构的连续数字图像的制备

Preparation of consecutive digital images for analysis of pore 3D structure in soil

石灰岩土壤孔隙及与淡竹生长因子关系研究

The relationship between porosity of limestone soil and growth factors of Phyllostachys glauca

随着秸秆的分解，土壤孔隙连通性逐渐得到改善。

With the decomposition of straw , soil pore connectivity was improved gradually .

林地土壤孔隙的贮水性能分析

The Analysis on the Water Storage Properties of Soil Pore in Forested Land

二是下层砂质土壤孔隙分布具有一定的不均匀性。

And ( 2 ) the lower sandy soil is not distributed uniformly .

土壤孔隙质量分数维Dm二元图像分析及其影响因素研究

Analysis of Mass Fractal Dimension Dm of Pore Structure in Soil and Influencing Factors

土壤孔隙分布的光学图象分析

Image analysis on soil porosity was distributed

关中东部人工花椒林土壤孔隙的分形特征

Fractal Character of Soil Void in Artificial Chinese Prickly Ash Forest in Eastern Guanzhong Area

长秸秆对土壤孔隙连通性的改善作用较粉碎和氨化秸秆差。

Compared with pulverized and ammoniated straw , Long straw was poor in improving soil pore connectivity .

粉碎氨化秸秆改善土壤孔隙结构连通性具有稳定性和长效性。

The pulverized and ammoniated straw showed stability and a long-term characteristic to uniformity and connectivity of the soil pore .

作者首先介绍了珠江三角洲地区饱和粘土的特点，确定了以土壤孔隙为主的特征参数。

At first , the saturated clay 's character of ZhuJiang delta is introduced and some parameter about pore is established .

说明轮栽改善了土壤孔隙的质量和土壤结构，协调了土壤的水气矛盾。

Rotative planting improved the quality of soil porosity and soil structure , and coordinated the contradiction of soil between water and gases .

有的土壤孔隙少，所以耕作起来很费劲，吸收水分也慢，而且容易粘闭。

Some soils lack porosity , so that they 're hard to cultivate , slow to absorb water , and inclined to puddle .

孔隙轮廓线分形维数是用来描述孔隙本身所具有的分形特征，它反映了土壤孔隙与固体颗粒接触界限的不规则性。

The pore profile fractal dimension depicts fractal geometry characteristics of soil pores , which reflects the irregular and rugged boundaries between soil pores and particles .

长期干旱会破坏土壤孔隙结构，使得土壤水分消退速率变快，随着干湿循环的进行这种影响程度是趋于减弱的。

Persistent drought altered the structure of soil porosity and speed up the depletion of soil moisture . However , such influence weakened with the DW cycles going .

由土壤孔隙水流速率差异引起的热弥散和溶质弥散对于了解水热盐耦合运移非常重要。

Thermal dispersion and solute dispersion , resulting from the discrepancies of pore water velocity , are important parameters in studying water , heat , and solute transport in porous media .

在此基础上建立了基于土壤孔隙形态学特征的随机网络模型，在孔隙尺度模拟了土壤中的水分运动过程，并预测了近饱和土壤水分特征曲线。

A spatially-random network model by using measured pore morphology was then set up to simulate the pore scale flow processes , and to predict the soil water retention curve near saturation .

结果表明：土壤孔隙轮廓线分形特征与土壤质地之间存在着一定的相关关系，即土壤质地越细（黏粒含量越高）分形维数取值越大。

The results showed that the obvious correlativity existed between fractal properties and soil texture . The soil texture was finer ( clay content is higher ), the value of fractal dimension was higher .

结果表明，通过选取合适的模型参数，基于土壤孔隙形态学特征建立的随机网络模型可以模拟出与土壤样本实测值非常接近的水分特征曲线，可以作为一种快速测量的方法。

Results indicate that , to adjust the parameters , the random network model can agree well with water retention curve measured on laboratory samples , this method can be used as a fast detection .

据分析，这是上部产生的径流挟沙而下，在下部沉积，堵塞土壤孔隙，并在表层形成一个致密层的结果。

It is analyzed that the reason may be related with the sediment deposited from the up slope on the down slope , resulting in forming a layer with low infiltration rate on the down slope .

它的基本机理是：利用淋洗液冲洗土壤孔隙介质中残留的石油污染物，然后再把包含有污染物的液体从土层中抽提出来，进行分离和处理，以达到修复石油污染土壤的目的。

Its principle is that using washing liquid washes the petroleum-contaminated pollutant which stays in pore of media . The liquid with pollutants are extracted from soil layer and separated and processed . This process is aimed to remediate petroleum-contaminated soil .

主要介绍了一种用于分析土壤孔隙三维结构的连续数字图像的制备方法，内容包括土样的处理、不同格式图像之间的转换、孔隙结构分析指标等；

This paper mainly introduced a method to prepare the consecutive digital images for analysis of pore 3D structure in soil . Its contents included the processing of soil samples , the transformation of images with different formats as well as the analytical indexes of pore structure ;