1) cation exchanging equilibrium
阳离子交换平衡法
1.
1 mol·L~(-1) Tris buffer (pH 7) by gel filtration chromatography and cation exchanging equilibrium.
利用红外光谱法、凝胶过滤色谱法和阳离子交换平衡法,分析了甘氨酸锰的红外光谱特征、甘氨酸锰和蛋氨酸锰在pH7、0。
2) cation-exchange equilibrium method
离子交换平衡法
1.
The stability and co-ordination number of the complex compounds of humic acid with Zn~(2+) and/or Cd~(2+) at different pH levels were determined with the cation-exchange equilibrium method.
用离子交换平衡法研究了不同pH下胡敏酸与锌、镉单独及复合存在下形成络合物的稳定性及配位数。
2.
The effects of pH, ionic strength and temperature on the stability constants of humic acid-nickel were studied using cation-exchange equilibrium method, in order to detect the stability characteristics of humic acid-nickel complexes under different pH, ionic strength and temperature conditions, which will be great significant to the study on the environmental behavior of nickel ions.
为了探讨pH、离子强度、温度对胡敏酸-镍络合稳定性的影响规律,阐明镍在环境中的迁移转化、生物活性及污染控制等提供理论依据,用离子交换平衡法研究了pH、离子强度、温度对重庆市缙云山常绿阔叶林表层腐殖土胡敏酸-镍络合物稳定常数的影响。
3.
Stability constant of copper-humic acid complexes in three kinds ofShaanxi soils:old manured red loessal soil,dark cultivated loessal soil and yellow loessalsoil were determined using cation-exchange equilibrium method.
用离子交换平衡法测定了陕西主要土壤土、黑垆土、黄绵土胡敏酸－铜络合物的稳定常数。
3) ion exchange equilibrium
离子交换平衡
1.
Cd2+ mass concentrations at ion exchange equilibrium under different temperatures and different initial Cd2+ mass concentrations were calculated and the ion exchange isotherms at different temperatures were plotted.
在静态条件下,测定了钠型方沸石的阳离子交换容量;计算了不同温度、不同初始Cd2+质量浓度下达到离子交换平衡时的Cd2+质量浓度和交换度,并绘制了不同温度下的离子交换等温线;对钠型方沸石与Cd2+的离子交换热力学特性进行了研究,通过选择性校正系数和交换平衡常数,导出了反应的热力学函数:反应标准摩尔焓变(ΔrHm),反应标准摩尔吉布斯自由能变(ΔrGm)和反应标准摩尔熵变(ΔrSm)。
2.
Ion exchange equilibrium of neutral amino acids on 732 strong acid cation exchange resin in non buffer systems were studied and an equilibrium model was proposed.
研究了非缓冲体系中性氨基酸在７３２型强酸性阳离子交换树脂上的离子交换平衡，并提出了平衡模型。
3.
The ion exchange equilibrium data of K+—NH+4 on the novel ion-sieve for potassium have been determined,and the ion exchange isotherms at the temperature of 0℃,25℃,50℃ and 75℃ has been drew respectively.
测定了0℃、25℃、50℃和75℃时新型钾离子筛的K+—NH4+离子交换平衡数据,绘制出相应的离子交换等温线。
4) ion-exchange equilibrium
离子交换平衡
1.
Combining Donnan equilibrium theory and the weak electrolytic property of carboxyl, a model to describe the ion-exchange equilibrium of S-adenosyl-L-methionine (SAM) on weak acid resin D113 was derived,which assuming SAM to be a positively charged ion.
结合Donnan膜平衡理论与树脂的弱电解质性质,在假设S-腺苷-L-蛋氨酸(SAM)分子带一价正电荷的基础上,建立了SAM在D113弱酸树脂上的离子交换平衡模型。
2.
The ion-exchange equilibrium of bovine serum albumin (BSA) on an anion exchanger was studied.
目前已提出多种模型用于描述离子交换平衡 ,其中应用最多的是基于Ｌａｎｇｍｕｉｒ理论的经验模型[2 ] 。
5) cation exchange process
阳离子交换法
1.
The organic bentonites were prepared by the organic modification to bentonites by cation exchange process using cationic surfactant as modifier.
用阳离子表面活性剂作改性剂,通过阳离子交换法对膨润土进行有机改性制得有机膨润土。
6) cation exchange
阳离子交换
1.
Cellulose/titanium dioxide composite cation exchanger for expanded bed adsorption;
一种纤维素/钛白粉阳离子交换扩张床吸附剂
2.
The impurities were separated from niobium through cation exchange, and eluted with 4mol/L HNO3 solution and determinated by ICP-OES.
样品用氢氟酸溶解,阳离子交换分离铌基体富集杂质元素,4mol/L硝酸洗脱杂质,用电感耦合等离子体发射光谱法测定。
3.
Through contrastive analysis of Archie model and the applicable conditions of Waxman-Smits model,an oil saturation quantitative interpretation model,which is based on the reservior parameters as bound water saturation,cation exchange capacity,and so on,is established to obtain the important prec.
主要通过对比分析阿尔奇模型和 Waxman-Smits 模型的适用条件,建立了以束缚水饱和度、阳离子交换量等参数为核心的低阻油层含油饱和度测井定量解释模型,以获得较准确的低阻油藏的重要储层参数,该评价方法在储量计算和油藏开发生产中获得了明显的地质效果。
补充资料：阳离子-阳离子干扰
分子式：
CAS号：
性质：火焰原子吸收光谱分析中，伴生阳离子对待测阳离子测定中信号的增强或抑制。它属于化学干扰；信号增强属于增感效应，信号被抑制属于干扰效应。如测定镁时铝存在可抑制镁的信号；测定铝时钛存在，可增强铝的信号。前者由于生成难解离的MgO·Al2O3，减少了镁的基态原子；后者是钛的亲氧能力比铝强，钛夺取了氧化铝中的氧，生成氧化钛，铝从氧化铝中释放出来。
CAS号：
性质：火焰原子吸收光谱分析中，伴生阳离子对待测阳离子测定中信号的增强或抑制。它属于化学干扰；信号增强属于增感效应，信号被抑制属于干扰效应。如测定镁时铝存在可抑制镁的信号；测定铝时钛存在，可增强铝的信号。前者由于生成难解离的MgO·Al2O3，减少了镁的基态原子；后者是钛的亲氧能力比铝强，钛夺取了氧化铝中的氧，生成氧化钛，铝从氧化铝中释放出来。
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