3) sorption experiment
吸附实验
1.
Static sorption experiments were carried out to investigate the sorption of diesel oil by soils at different temperatures, and to analyze the influence of SDS and Tween80 on the sorption of diesel oil.
通过静态吸附实验,研究了不同温度下,柴油在土壤中的吸附行为,探讨了阴离子表面活性剂SDS和非离子表面活性剂Tween80对柴油吸附的影响。
4) adsorption-desorption
吸附解吸
1.
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。
2.
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。
3.
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 。
5) sorption and desorption
吸附解吸
1.
Effects of pH and salinity on phosphorus sorption and desorption in the surface sediments of the mainstream of the Haihe River
pH和盐度对海河干流表层沉积物吸附解吸磷(P)的影响
2.
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。
3.
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。
6) adsorption and desorption
吸附解吸
1.
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。
2.
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。
补充资料：土壤磷素吸附和解吸作用
土壤磷素吸附和解吸作用
adsorption and desorption of phosphorus in soil
磷与一OH基或一0H2其过程如下: (1)HZPO不和0H2进行配位交换而被专性吸附。交换即: OH] \/l M} /\lo/0H2曰\OH \/+H:PO一se/\0H2」 O H 十一﹁|l||习OH/\ 《)-P-心 /\OH OHOH M\\/\ O M/\ 0H:」(2)或者HZPO不和OH一交换，即Ho/ M \+HZPO不—一|一| HH/00\/ M/\/ 00H2 片 O 十刁|lwe|10H2\/\ (卜一P-城〕 /\OH OH OH一 /M \ 0H2一 \/ 0 过程(l)并不伴随着溶液的pH值改变，过程(2)可使溶液的pH值上升. 上述两过程的产物，随着时间的延续，都可以变为环状结构: OH+HZO;二二二已 OH一/\ OH:一 MM\/\/ 0+ZH:0/\/\ 0H21，，土城麟素吸附和解吸作用(adsorp‘on anddesorption of Phosphorus in 5011)土壤溶液中的碑酸离子被土城固相所吸持，谓之吸附。其逆向反应谓之解吸.吸附和解吸开始时都是发生在土壤固、液相的界面上.吸附作用可以发生在具有不变电荷土粒的表面(如结晶态的粘土矿物)，也可以发生在可变电荷的土粒表面(如铁铝氧化物、土壤有机质和方解石等物质)上。 碑素吸附土城对碑酸离子的吸附，分为物理吸附(非专性吸附)和化学吸附(专性吸附). 物理吸附当土城溶液的pH值低于土壤吸附剂的等电点时，吸附剂上的一OH墓被质子化: Me一OH+H+一Me一0H2+而后带正电荷的表面因静电引力吸引带负电的磷酸离子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条