soil crust是什么意思

网络释义

用法例句

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

Analysis of the top soil pollution of Cu, Zn, Pb in the different city zones of Lanzhou;

兰州市不同功能区表层土壤Cu,Zn,Pb污染特征分析

In order to study the distribution of heavy metals and assess the heavy metals (Cu,Zn,Pb)pollution existedin top soils in Lanzhou, detailed investigation ,research and analysis were taken in the research.

本文通过调查研究分析 ,对兰州市表层土壤重金属 (Cu、Zn、Pb)含量的空间变化及污染程度进行了评价 ,探讨分析了交通、工业活动以及绿化带对城市重金属污染的影响。

This topsoil tends to wash away.

表层土壤要冲掉了。

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

rainwater washes topsoil into rivers and sands,

雨水把表层土壤冲进河流和沙地，

The Structure Status and Effect of Topsoil in Loess Plateau;

黄土地区表层土壤结构状况与效应研究

Ground vegetation as indicators of topsoil chemical properties in Dongguan,South China

东莞地表植被对表层土壤化学特性的指示作用

Further confusing the issue were high surface soil tests for K.

表层土壤钾测试值高又进一步混淆了问题。

In Australia, a shallow soil is scraped into ridges on which trees are planted.

在澳大利亚把表层土壤作垄，果树栽在垄上。

Magnetic Properties of Top Soils in Beijing, and Their Environmental Implications;

北京地区表层土壤剖面磁学特征及其环境意义

Soil Quality and Its Assessment in Green Areas of Chongwen District of Beijing

北京市崇文区绿地表层土壤质量研究与评价

Study on the Composition of Saturated Hydrocarbons in Surface Oil in Dongying

东营区表层土壤中饱和烃污染物的组成研究

Photochemical Degradation of Selected Polycyclic Aromatic Hydrocarbons on Soil Surface

表层土壤中部分多环芳烃的光化学降解研究

Present Situation and Evaluation of Heavy-metal Pollution in the Surface Layer Soil of Jilin City

吉林市城市表层土壤中重金属污染状况研究

Survey and Evaluation of Hg,Cd,Pb,As of Topsoil in Qixian County Plain Area

山西祁县平原区表层土壤Hg、Cd、Pb、As的调查与评价

The upper part of the soil.

表土土地、土壤表面的一层

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

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 .

immediately below the A-horizon; contains deposits of organic matter leached from surface soils.

土壤中的第二层即表层之下的土层；由通过土壤表层过滤得到的有机物组成。

To remove the surface layer of soil from(land.

去掉表土将土壤最上面的一层从（土地上）清除掉