pzc

However , it appears to result in the decrease of soil PZC values when its content is too high .

但有机质含量过高时，土壤PZC降低。

Point of zero charge ( pzc ) of manganese oxides determined with an improved salt titration method

一种改进的盐滴定法测定氧化锰矿物的电荷零点

All PZC units come with an onboard Oxygen Concentrator feature and most offer an onboard Air Compressor System .

所有的PZC系列单元系统附配制氧机，并且大多数情况下配空压机系统。

The adsorbed dodecylamine film changed the structure of the double-electric layer and made the potential of zero charge ( PZC ) shift to the positive direction .

十二胺吸附膜改变了电极表面双电层结构，使零电荷电位正移。

The PZC of the synthesized hausmannite is much higher than PZCs of other minerals , and it has the least surface variable negative charge .

黑锰矿的PZC较高，表面可变负电荷量远低于其他3种矿物。

The chemical properties of the modified activated carbons were changed , it was analyzed by SEM , FTIR , TG , XPS , pH_ ( PZC ), ξ potential and ESR .

活性炭改性处理后其表面化学性质发生变化，利用SEM、FTIR、TG、XPS、pH（PZC）、ξ电位和ESR等分析技术表征了改性炭样的表面化学性质。

The PZC of the hard kaolins varies from 2.5 to 3.8 . In the broad range of pH , the zeta potential of soft kaolin is higher than that of hard kaolins .

几种硬质高岭土的PZC值的变化范围为2.5～3.8。

Positive and negative charge amount , point of zero charge ( PZC ) and point of zero net charge ( PZNC ) of soils in central and southern China were studied on the basis of comparison of methods for the determination of PZC .

在比较几种测定土壤电荷零点方法的基础上，研究了中南地区几种土壤的正负电荷量、电荷零点（PZC）和净电荷零点（PZNC）。

According to the point of zero charge pH_ PZC , the surface charge σ _ H and the total adsorptive sites of the sample reached through potentiometric titration experiments , the surface intrinsic constant was obtained with constant capacitance model by the graphical .

根据酸碱滴定求得沉积物的零电点pH（PZC），表面质子电荷密度σH及总吸附位NS，运用恒定容量模式求定了样品的表面固有酸度常数。

The surface zeta potential 's variation of the hard kaolins as a function of pH is almost the same as that of the soft kaolin . The surface points of zero charge ( PZC ) of the different kaolins are almost the same .

硬质和软质高岭土表面Zeta电位随pH值的变化规律基本相同，具有相近的表面零电点（PZC）值。

Results showed that : ( 1 ) Salt titration potentiometric titration ( STPT ) method was recommended for routine analysis of soil PZC , for it could provide more information than salt titration ( ST ) method , and was less laborious and sample consuming .

推荐将盐滴定电位滴定（STPT）法作为测定土壤PZC的常规方法，该法较电位滴定（PT）法简便、消耗样品量较少，而比盐滴定（ST）法获取的信息量较多。