soil stratification

Soil development indices(SDIs)quantified by soil morphological characteristics were used to es- timate the development degree of the soil chronosequence on recessional moraines of Hailuogou Glacier in the Gongga Mountain.

剖面发育指数(PDI)和加权平均剖面发育指数(WPDI)作为剖面累积发育指标,可以用于不同土壤序列的发育速率比较。

Distribution, composition and mark compounds of aromatic pollutants in surface soil samples from coal-mining area——a case study of Shilong, Pingdingshan, Henan, China;

煤矿区表层土壤中芳香烃组成、分布特征及标志化合物研究

Distribution of polycyclic aromatic hydrocarbons (PAHs) in the surface and subsurface soils in Cixi County;

慈溪市农田表层、亚表层土壤中多环芳烃(PAHs)的分布特征

Research advance in photodegradation of organic pollutants in surface soil;

有机污染物在表层土壤中光降解的研究进展

Medium scale spatial structures of polycyclic aromatic hydrocarbons contents in the topsoil of Tianjin Area;

天津地区表层土壤多环芳烃含量的中尺度空间结构特征

Relationship between environment factors and orchard topsoil water-solubility sodium accumulation in semi-arid regions in China;

半干旱地区环境因子与果园表层土壤水溶性Na~+累积的关系

Study on Water Deficit of the Topsoil over the Chinese Loess Plateau Mesa Region

中国黄土高原塬区表层土壤水分盈缺状况的研究

The number of loess and paleosol units in Quaternary sequences of the Middle Danubian Basin is often closely related to the geological and geomorphological position of the sediment series.

文章叙述了多瑙河中游盆地的第四系黄土与古土壤层序。

Soil below the ground surface.

下层土地面下的土壤

A vertical section of soil or rock showing the sequence of the various layers.

纵剖面土壤或岩石的垂直切面，显示出不同层次的先后顺序

Comparative Experiment of Finger Flow of Homogeneous Soil and Layered Soil

均质土壤及层状土壤的指流对比实验

This topsoil tends to wash away.

表层土壤要冲掉了。

a layer in a soil profile.

土壤的剖面中的一层。

In ABC soil, the uppermost zone of soil, containing humus; topsoil.

淋溶层在ABC层土壤中最上面的一层，含有腐殖土；顶层土壤

The soil has a substratum of rock.

这土壤下面有层石头。[这土壤有下层石头。

Study on Forecast Model of Lower Layers by the Soil Moisture of Surface Layer;

表层土壤水分预测下层土壤水分的模型研究

the layer of soil between the topsoil and bedrock.

位于上层土和岩床之间的一层土壤。

The upper part of the soil.

表土土地、土壤表面的一层

SOIL HYDROLOGIC EFFECT OF THE EARTH-CUMULIC SURFACE HORIZON AND THE ARGIC HORIZON OF LOU SOIL IN LOESS PLATEAU

黄土高原(土娄)覆盖层与黏化层的土壤水文效应

Study on the Soil Moisture Content and Soil Dried Layer under Artificial Forest in Xi an Area;

西安地区人工林土壤含水量与土壤干层研究

Study on the CaCO_3 Content Characteristics in Conterminous Region of Beijing,Tianjin and Hebei

京津冀接壤区土壤表土层中碳酸钙的分布规律

Temperature and depth's dependences on N_2O emission in the cultivated layer soil

耕层土壤N_2O排放与温度及土壤深度依变性

Effects of Soil Water Content on Soil Shearing Strength to Different Soil Layer of Shallow Landslide

土壤含水率对浅层滑坡体不同层次土壤抗剪强度的影响

Effect of the sand layer position on the phreatic evaporation in the layered soil profile;

层状土壤中砂层层位对潜水蒸发的影响

The results showed that the REEs contents in the C horizon the soils were the highest,but Ce was relatively concentrated in A horizon.

结果表明 ,土壤剖面层的底土层含量最高 ,但表土层铈相对富集 .