Soil self-purification

Analysis of Purifying Capacity on Nitrate in Five Types Soil in JinChuan Wetland

金川湿地五种土壤净化硝酸盐能力的分析

biological purification of soil pollution

土壤污染的生物净化

The soil has to is purified of all bacteria.

要消灭这土壤的所有细菌使之净化.

Phosphorus removal efficiency of Calamagrostis angustifolia wetland soil in Sanjiang Plain.

小叶章湿地土壤对磷的净化效率模拟

Purification Potentials of Different Soils to Leachate

不同土壤对垃圾沥滤液净化效能研究

Study on Degradation of Petroleum Contaminants in Soil by Chemicai Oxidation Technology;

土壤中石油类污染物的化学氧化净化法研究

Soil Net N Mineralization in the Typical Temperate Grassland in Inner Mongolia;

内蒙古温带典型草原土壤净氮矿化作用

Purification Potentials of Different Soils with Different Depths to Landfill Leachate

不同土壤对垃圾渗滤液的吸附净化实验研究

They improve air and water quality; trees stabilize the soil and prevent erosion.

他们能净化空气，涵养水源；他们的根可以保持水土、止土壤腐蚀。

In addition to these herbs,Zoysia and Vetiveria zizaniodes have soil purification properties as they can absorb the metals in the soil and get rid of suspended matter as well.

另外,结缕草、香根草有吸收土壤中重金属或去除塘泥中悬浮固形物、净化土壤的功能。

Study on the Purifying Capacity of Phenol by Wetland Soils and Its Influential Factors;

湿地土壤对污水中苯酚的净化能力及其影响因素研究

Research on Utilizing Soil Depurating Urban Rainwater to Recharge Groundwater;

利用土壤层净化城市雨水人工补给地下水的研究

Studies on Brassica juncea purification of cadmium pollution soils in different stages

不同时期印度芥菜对镉污染土壤的净化效果研究

Analysis of Phthalates(PAEs) in Soil Using GC/MS Coupled with Accelerated Solvent Extraction and Gel Permeation Chromatographic Purification

快速溶剂萃取—凝胶渗透色谱净化—GC/MS分析土壤中酞酸酯(PAEs)

Through experiments of static degradation and dynamic soil column, both purification efficiency of phenol and influences of reed wetland soil were studied.

用动态土柱法和静态降解法研究了芦苇湿地土壤对苯酚的净化效果及其影响因素。

identification of podzols and podzolised soils

鉴定灰壤土和灰化土

They clean the air and keep water from running away.

它们净化空气，保持水土。

Effects of Leaf Extracts of Zanthoxylum Bungeanum and Soil Extracts on Soil Microbes, Enzyme Activities and Chemical Property;

花椒叶和土壤浸提液对土壤微生物、土壤酶及土壤化学性质的影响