Interaction of colloidal electrical double layers and simultaneous adsorption of cations and anions in variable charge soils 可变电荷土壤中胶粒双电层的相互作用与阴阳离子同时吸附
Coordination adsorption of arsenate on the particles of variable charge soils 砷酸根在可变电荷土壤颗粒表面的配位吸附
The exchangeable acidity in constant charge soils is pronouncedly larger than that in variable charge soils. 恒电荷土壤的可交换性酸量明显大于可变电荷土壤。
The mechanisms of interaction of variable charge soils and constant charge soils with hydrogen ions were investigated and evaluated. 研究了可变电荷土壤和恒电荷土壤与H+相互作用的机理,并比较了它们之间的差别。
So variable charge surface is not a constant potential surface. 所以,可变电荷表面并非恒电位表面。
Kinetics of aluminum release in variable charge soils under H~+ and organic acids H~+和有机酸对可变电荷土壤铝释放的动力学研究
These differences between permanent charge and variable charge soils are related to the composition and the amount of soil clay mineral and Fe, Al oxides. 同为可变电荷土壤,红壤PZC低于砖红壤,而可变负电荷量比砖红壤高。土壤表面电荷特征的差异,与它们的粘土矿物和铁、铝氧化物的组成和含量不同有关。
Characteristics of variable charge soils; 可变电荷土壤特性;
Types of Fe oxides and their phosphate sorption character in soils with variable charge 几种可变电荷土壤中氧化铁类型与磷吸附特性
A study on sulfate adsorption by some variable charge soils in Central China 华中地区几种可变电荷土壤对SO4~(2-)吸附的研究
Adsorption Kinetics of Pb  ̄( 2h+) and Cu  ̄( 2+) on Variable Charge Soils and Minerals: VI. The Effect of Stirring Speed and Soil/ Solution Ratio 可变电荷土壤和矿物对Pb~(2+)和Cu~(2+)的吸附动力学Ⅵ.搅拌速度和土
Results show that amount of variable charge and positive charge, effective canon exchangeable capacity, zero point of charge in yellow soils are higher than that in red soils. 结果表明,黄壤的可变负电荷量、正电荷量、有效阳离子交换量(ECEC)和可变电荷零点(PH0)都高于红壤。
Adsorption behavior of phthalic and salicylic acids by variable charge soils 邻苯二甲酸和水杨酸在可变电荷土壤中的吸附行为
Studies on electrokinetic properties of constant charge soils and variable charge soils ⅰ. effect of cation adsorption and pH 恒电荷土壤和可变电荷土壤动电性质的研究Ⅰ.阳离子吸附和pH的影响
Study on Characteristics of K~+ Adsorption by Constant Charge Soils and Variable Charge Soils 恒电荷土壤与可变电荷土壤K~+的吸附特性
The amount of variable negative charge of permanent charge soil is higher than that of variable charge soils, and enhanced with the increase of pH value in the system. 2供试恒电荷土壤的可变负电荷量比可变电荷土壤的大,且都随体系pH的提高而增大;
Effect of cro_4~ ( 2-) on surface charge of variable charge soils CrO4~(2-)对两种可变电荷土壤表面电荷的影响
The adsorption of chloride ions by three variable charge soils and four constant charge soils of China were measured under different pH and various concentrations of KCI. 对不同浓度KCL和不同pH下,3种可变电荷土壤和4种恒电荷土壤CI-吸附量进行了测定。
Sulfate adsorption properties of soils with variable charge in central China were stu-died. 本文研究了华中地区红壤等4种土壤对SO4~(2-)的吸附性质。
Adsorption and oxidation of as(ⅲ) in variable charge soils As(Ⅲ)在可变电荷土壤中的吸附与氧化的初步研究
From the discussion in thes paper, it is clear that the surface potential of variable charge surface is strongly dependent on the electrolyte concentration. 本文从理论上和实验上都表明,情况并非这样,可变电荷表面的电位强烈地依赖于电解质浓度,并且其表面电荷密度既依赖于溶液pH值也依赖于电解质浓度。
Therefore, the ability of this transformation is strongly dependent on the contents of Fe oxide, and consequently the transformation in variable charge soils is larger than that in constant charge soils. 因此H+转化为表面正电荷的能力与土壤中氧化铁的含量密切相关,从而可变电荷土壤中H+转化为表面正电荷的贡献比恒电荷土壤中的大。
Release of hydrogen ions during adsorption of copper ions by variable charge soils 可变电荷土壤吸附铜离子时氢离子的释放
Effects of ionic strength and pH on interaction between cu~ ( 2+) and variable charge soils 离子强度和pH对可变电荷土壤与铜离子相互作用的影响
Variable Charge X/ Y is a human testis-specific gene family that localized on sex chromosomes. VCX/ Y family include VCY, which localized on Y chromosome, and VCX-2r, VCX-8r and VCX-10r that localized on X chromosome. VCX/Y(VariableChargeX/Y)是性染色体上的人睾丸组织特异的基因家族,它包含了定位于Y染色体上的VCY和定位于X染色体上的VCX-2r、VCX-8r和VCX-10r等基因。
Kinetics of h+ releasing as cu2+ adsorbed on variable charge soils and minerals 可变电荷土壤和矿物表面Cu~(2+)吸附过程中H~+释放动力学
The effect of phosphate absorption on Cu, Zn, Cd secondary adsorption and desorption in three variable charge soils was studied. 研究了三个可变电荷土壤吸附磷酸根后对Cu、Zn、Cd次级吸附和解吸的影响。
A preliminary study on point of zero charge of variable charge soils 几种可变电荷土壤电荷零点的初步研究
In addition, the variable charge carried by inorganic nanoparticles also had some important effect on the adsorption reaction. 此外,三种土壤无机纳米颗粒所带的可变电荷量及电性不同,也会对吸附反应产生影响。
It is clear that with ionic strength increase, Na+ could compete with Cu2+, the capabilities of Cu adsorption in constant and variable charge soil lowered, but the decline in constant charge soil was more than that of variable charge soil. 可见随着离子强度增大,Na+与Cu2+发生竞争吸附,恒电荷和可变电荷土壤对重金属Cu的吸附能力都减弱,但恒电荷土壤的降幅较大。