eluviation

Effect of Waste Rock Eluviation on Water Environment

矿山废石淋溶对水环境的影响

Under the application of several kind of fertilization system the eluviation characteristic in the profile in purple soil

几种施肥制度下紫色土NO3~&N淋溶特征

Characteristics of Available Nutrients Accumulation and Eluviation in Greenhouse Soil

日光温室土壤速效养分的累积和淋移特征研究

Study on adsorbing capacity of chromium cinder under circumstances of eluviation

铬渣在灰钙土淋溶中铬（VI）吸附量的初步研究

The ancient meteoric water eluviation is the important way to improve reservoir physical properties under the unconformity .

古大气水淋滤作用是改善不整合面附近储层物性的重要因素。

Eluviation of Nutrients in Glebe - Soil and Its Influence on Groundwater

旱田养分淋溶规律及对地下水影响的研究

The factors related with metamorphic reservoir space are crystallization , structure , physical weathering , and chemical eluviation .

变质岩储集空间形成主要有：结晶成因、构造成因、物理风化成因、化学淋溶成因。

Simulated eluviation experiment research of several heavy metal element in riverway deposit of Huaihe River on Huainan District

淮河淮南段河道沉积物中几种重金属元素模拟淋溶实验研究

This distribution pattern of soil carbon was related to such factors as the precipitation eluviation and the organism activities in soils .

土壤碳的这种分布格局与大气降水的淋溶、土壤生物活动等因素有关。

The average error of eluviation concentration is less than 6 % which verifies the reliability and practicality of the model .

渗滤液浓度拟合误差小于6%，从而验证了模型的可靠性和实用性。

Experiment on release of crusted residual oil in Zihe Riverbed under the condition of rainfall eluviation

降雨淋滤条件下淄河滩陈化残油释放试验

The result is put forward for the first time that the loss of N caesed by volatilization is more than eluviation .

在红黄土上氨的挥发损失率比在黄棕壤上小，仅为5.3%。首次指出了这两种氮肥的挥发损失远大于淋漏损失的结果。

Immobilization was major form of eluviation of phosphorus in the soil , which was negligible different from control and causing little contamination on groundwater .

磷肥的淋溶主要在土壤中以固定作用为主，其淋溶与对照无明显差异，对地下水无污染影响；

Shallow groundwater is controlled by physical chemistry action in aeration zone . Eluviation and desorption / adsorption are major actions to control fluorine move .

该区浅层地下水主要受控于包气带的物理化学性质，淋溶、解吸/吸附作用是控制地下水中氟迁移的主要作用。

In the high-mountain forest region of Southwest China , the major soil forming processes are eluviation ( acid leaching ) and humification .

在西南高山林区，树种与下木对土壤形成有重要作用，主要成土过程为酸性淋溶与腐殖化过程。

However , the content of amorphous Cu tends to be decreased with the intensification of weathering and eluviation proceses .

无定形铜含量有随风化淋溶作用增强而降低的趋势。

But , low sedimentary rate in many profiles , especially in S1 , and following strong pedogenesis and eluviation would have effect on those climate records .

然而，黄土高原中部大多数剖面由于沉积速率较低（特别是S1地层），加上后期强烈的成壤作用和淋溶作用可能影响其气候记录。

The purpose is to determine the speed of the eluviation and release , as well as the release difference of the different mass ratio fertilizer that releases more slowly .

目的主要测定缓释肥料的淋溶释放速度，以及比较不同质量比的缓释肥料的释放差异。

Other factors such as different granularity , leaching time , superficial leaching rate , acid rain eluviation and solarization which affect toxicity of the leachate are also discussed .

同时研究了日晒、振荡时间和固化体粒度对浸出毒性的影响，以及固化体表面浸出率、模拟酸雨淋溶对固化体性能的影响。

The result shows that these soils have chelation , eluviation and illuviation of organic acids and the peats gather together obviously to the surface horizon .

结果表明，这类土壤存在有机酸的络合淋溶和淀积作用，表层泥炭积累明显。

This pollutant has eluviation in soil , and is easy to be leached to deeper soil or follow surface runoff into rivers and lakes , polluting groundwater and surface water .

该污染物在土壤中具有淋溶性，易被雨水、灌溉水淋溶至较深土层或随地表径流进入河流湖泊等水环境且残效期长，从而对地下水和地表水造成污染。

Their common characters are scarce of organic matter , low content of nutrient , little CEC , weak eluviation , high content of calcium carbonate , profile developed a little and coarse soil texture .

有机质缺乏，养分含量低，阳离子代换量小，淋溶作用弱，碳酸钙含量高，剖面发育差，土壤质地粗是试区土壤的共同特征。

On the basis of it , indoors_ eluviation experiment under simulated rainfall conditions is carried out , and the soil eluviation characteristics of the reclaimed land by flyash are studied .

在此基础上，对沉陷地粉煤灰充填土壤特性进行研究，并设计室内模拟天然降雨条件下的淋溶实验。

The net eluviation amount of K and Ca is higher than other elements of throughfall and stemflow . The net eluviation amount and eluviation coefficient of every element in stemflow is higher than that of throughfall .

穿透水和树干径流中K、Ca元素的淋溶量明显高于其他元素，且树干径流各元素的净淋溶和淋溶系数均高于穿透水。

Pesticides can volatilize into the atmosphere from the surface soil ; They can be absorbed by crops and accumulate in the plants ; They can also move into groundwater by the means of eluviation or move into surface waters with runoff .

农药可由土壤表面挥发进入大气，也可被作物吸收进而在农作物体内积累，同时还可受淋溶作用进入地下水，或经径流进入地表水体。

Moreover , soil acidification causes big losses of electropositive ions such as K , Na , Ca , Mg by eluviation , and rapidly decreases the available beneficial elements , therefore resulting in a reduction in soil fertility , nutrient and quality .

土壤酸化还造成K、Na、Ca、Mg等盐基离子大量淋失，有益元素有效态含量也急剧减少，土壤肥力下降，养分贫瘠，土壤质量下降。

In the cold Abies Holophylla zone of the alpine and subalpine mountains in western Sichuan , the basic process of soil formation is the compound process of organic cheluviation of iron and aluminium and reductive eluviation of iron and manganese .

川西高山、亚高山冷湿地带，在冷衫为主的针叶林下，土壤的基本形成过程是铁铝有机螯合淋溶和铁锰还原性淋溶的复合过程。

By adding EDTA in several times , it not only can accelerate phytoremediation effect , but also can abate side effect to sediment and environment because it can lighten the decomposing problem of EDTA and the eluviation risk of EDTA-heavy metals chelator to environment .

分次投加EDTA不仅可以加速植物修复，减弱EDTA的降解难题和EDTA-重金属螯合物的淋溶问题对环境的风险；还能减弱其带给底泥和环境的不利影响。