inspiration,suction

A series of leaching experiments are conducted to research the leaching mechanism of pollutants from coal waste rock in Jiaozuo mine field and their adsorption-desorption behaviors in soil, and coal waste rock and soil are sampled from several coal mines in Jiaozuo.

以焦作矿区煤矸石和土壤为研究对象,进行室内模拟淋滤实验,检测淋出液中SO42-、Cl-、总硬度、Cr、Pb、Zn、Mn、Cu、Cd等污染组分的含量以及pH、电导率,分析研究煤矸石在淋滤作用下污染组分的溶出规律以及土壤对污染组分的吸附解吸。

The properties of sulfate adsorption-desorption by soils in South China were studied by means of equilibrium test.

采用固相组分连续提取和单独组分分析相结合的方法，研究了有机质、活性氧化物、晶态氧化物等土壤固相组成分在南方土壤硫酸根吸附解吸中所起的作用。

The properties of sulfate adsorption-desorption by soils in South China was studied by means of equilibrium test.

通过 8种典型土样的硫酸根吸附解吸实验 ,研究了我国南方土壤硫酸根的吸附解吸特性 ,并运用Freundlich、Langmuir和Temkin等温方程对试验数据进行了拟合 。

The sorption and desorption behavior of naphthalene and 2,6-di-tert-butyl-p-cresol(BHT)on sediment from the Yellow River Lanzhou part was studied.

采用室内实验方法,研究了萘和叔丁基酚在黄河兰州段水体颗粒沉积物上的吸附解吸特性。

Irrigation not only reduced the soil available phosphorus content,but also changed the characteristics of phosphorus sorption and desorption of different soils.

灌溉不仅降低了不同土壤有效磷含量,而且使土壤磷素吸附解吸特征发生明显改变。

In this study, sorption and desorption of TC on Wushantu soil, a typical soil in Taihu region, as well as the effects of pH and divalent cations on sorption were evaluated.

采用批平衡实验方法,研究了四环素(TC)在太湖地区乌栅土中的吸附解吸,以及pH和典型二价阳离子Ca2+和Mg2+对TC吸附的影响。

This paper presents the mechanism research on the decontamination of air pollution by plants in recent years,mainly including the following: absorption and sorption of stoma and cuticle on leaf surface,plant metabolism and enzyme redox,and degradation by plant in combination with bacteria in root.

介绍了植物去除空气污染物的研究现状及机理,主要包括:通过叶表面的气孔和表皮吸收、吸附;植物体内代谢或者分泌酶催化氧化还原进入体内的污染物;通过植物联合根系微生物降解由于干湿沉降进入土壤或者水体中的污染物等。

The migration characteristics of hazardous elements such as Pb,Th,U,Be,Zn,Ni,Co,Cd,Cu,As,Cr,V and Ba in acid coal mine drainage were studied by adsorption and desorption experiments.

利用电感耦合等离子质谱(ICP-MS)、离子色谱(IC)和X射线衍射(XRD)等方法研究了马兰煤矿酸性矿井水及其沉淀物的化学成分和物相组成,并通过吸附解吸实验和PHREEQC水化学模拟计算研究了典型酸性矿井水样品中Pb,Th,U,Be,Zn,Ni,Co,Cd,Cu,As,Cr,V,Ba等有害元素的迁移特性。

After heavy metal entering into the soil, the first and inevitable course is "adsorption and desorption", which is one of the most important physical and chemical courses to control heavy metal activity of soil.

本论文对采集来的长江三角洲典型的土壤进行归类,研究发现,不同的土壤理化性质存在显著差异,表层土的有机质含量一般都要比心层土高,而心层土的pH值却比表层土高,正由于这种差异,造成对Cu的吸附解吸也有差异。

With batch method, this paper studied the sorption-desorption behaviors of Cd and Pb in soils with heavy, medium, and slight pollution loads.

采用一次平衡法,对3种不同污染负荷土壤Cd2+和Pb2+的吸附-解吸行为进行了比较。