1) PSI
磷吸附指数
1.
Phosphorus sorption capacity of the surface sediments are estimated by the phosphorus sorptionindex (PSI) and the degree of phosphorus saturation (DPS) of the sediments in the Lake Taihu,China.
利用沉积物磷吸附指数(PSI)和磷吸附饱和度(DPS)等指标来表征太湖表层沉积物的磷吸附容量,并探讨了太湖沉积物磷吸附容量的空间变化。
2) phosphate adsorption
磷吸附
1.
The effect of several organic acids on phosphate adsorption in brown red soil and its coating with aluminum hydroxides was studied by isothermal equilibrium method.
结果表明:供试1mmol/L、8mmol/L有机酸都使土壤(原状土或包被土)的磷吸附量降低,同一浓度下,其降低顺序是柠檬酸>草酸>酒石酸>苯甲酸≥乙酸;加入柠檬酸、草酸浓度在1~8mmol/L范围内,土壤吸附磷量随有机酸浓度增高而下降,但包被土的下降幅度较小;加入柠檬酸和草酸浓度为1、4mmol/L,磷浓度为80mg/L时,随有机酸溶液pH升高,土壤吸磷量出现“低→高→低”的变化,原土峰值出现在有机酸溶液pH8~9时,铝包被样峰值出现在起始pH4左右;有机酸先于磷加入到土壤时,对土壤吸磷量的影响比两者同时加入的大,反之则影响最小,加有机酸并离心弃去清液再加磷,土壤吸磷量比加有机酸而不离心的高。
3) phosphorus sorption
磷吸附
1.
Study on the phosphorus sorption-desorption characteristics of red soils and its environmental impact;
红壤磷吸附解吸特性及环境效应研究
4) phosphorus adsorption
磷吸附
1.
Characteristics of phosphorus adsorption in urban landscape water by three types of fly ash were studied.
研究了三种常见的中、低钙粉煤灰的磷吸附特性。
2.
Phosphorus adsorption data of rhizosphere and non-rhizospher.
对滨海脱盐土壤上11年生1-69杨根际、非根际土壤磷吸附特性进行了研究。
5) P adsorption
磷吸附
1.
Liquid flow method was used to investigate the kinetic characteristics of P adsorption in purple paddy organo mineral complex for the first time.
结果表明,在反应的2h内,灰棕紫泥低肥力水稻土和红紫泥低肥力水稻土的有机无机复合体磷吸附过程以复一级反应为特征。
2.
The continuous shaking trials were conducted to preliminarily study the effect of the different water-dissolved organic polymeric compounds-polyvinylalcohol (PVA), polyacrylamide (PAM) and polyethyleneglycol (PEG), on the kinetics of P adsorption in red soils.
结果表明:在聚乙烯醇、聚丙烯酰胺和聚乙二醇作用下土壤磷吸附动力学以幂函数方程为最优方程,且方程参数与单施磷酸二氢钙的处理方程参数有显著差异性。
3.
The changes of total reducing substances (TRS), oxalate extractable Fe (Fe o), dithionite citrate bicarbonate extractable Fe (Fe DCB ) and phosphorus adsorption (P adsorption) in oxic and anoxic layers of two paddy soils during 6 week flooding were examined under laboratory conditions.
在实验室条件下对两种水稻土在为期 6周的淹水过程中 ,其氧化层和还原层土壤中还原物质总量 (TRS)、草酸盐可提取铁 (Feo)、连二亚硫酸钠 -柠檬酸 -碳酸氢钠可提取铁 (Fe DCB)和磷吸附的变化进行了研究 。
6) phosphorus gettering
磷吸杂
1.
It was found that the efficiency after variable temperature phosphorus gettering was much better than that of isothermal one for cast multicrystalline silicon, especially in the high quality zone of as-grown materials, and the optimal parameter of variable temperature phosphoru.
用微波光电导衰减仪(μ-PCD)研究了不同温度和时间的恒温和变温磷吸杂处理对铸造多晶硅片电学性能的影响。
2.
The effect of phosphorus gettering or hydrogen passivation on the electrical properties of cast multicrystalline silicon contaminated by iron at different temperatures is investigated by microwave photo conductive decay.
应用微波光电导衰减仪的方法研究了在不同温度情况下引入铁沾污后再分别进行磷吸杂和等离子体增强化学气相沉积钝化处理对铸造多晶硅片电学性能的影响。
3.
The influences of phosphorus gettering, aluminium gettering and P/Al cogettering on multicrystalline silicon lifetime and electrical performance are mainly studied.
本文针对磷扩散和铝背场制备为多晶硅太阳电池制造过程中的常规工序,在系统综述当前多晶硅太阳电池的吸杂进展、前景和面临的问题的基础上,研究了磷吸杂、铝吸杂和磷铝共吸杂对多晶硅少子寿命和电性能参数的影响,摸索了三种吸杂方式的最佳吸杂参数;并研究了多晶硅中氧炭含量、金属杂质含量及金属杂质存在形态以及位错、缺陷密度对吸杂的影响;同时对吸杂的模拟和仿真做了初步的摸索,得到了一系列的实验结果,为通过吸杂来提高多晶硅太阳电池效率提供了有益的参考和指导。
参考词条
补充资料:吸附指数
分子式:
CAS号:
性质:吸附等温方程式为:式中,c为溶液中溶质的浓度;q为吸附剂中溶质的吸附量;k是和n是常数。方程式中的指数1/n即为吸附指数,恒温下此指数值一般在1~0.1之间或更小些。
CAS号:
性质:吸附等温方程式为:式中,c为溶液中溶质的浓度;q为吸附剂中溶质的吸附量;k是和n是常数。方程式中的指数1/n即为吸附指数,恒温下此指数值一般在1~0.1之间或更小些。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。