酸根离子

结果表明：（1）端基羧酸根离子要与中心Cu（Ⅱ）离子配位只能从轴向配位；

It is concluded that ( 1 ) The complex of end-carboxylic acid ion and central Cu ( ⅱ ) can be formed only from axial rake ;

接枝膜经NaOH溶液处理后，聚丙烯酸链段上的羧基转化为羧酸根离子，通量增加。

After treatment of NaOH solution , the water flux of the modified membrane increases , because the carboxyl group is converted to carboxylic acid ion .

几种吸附剂吸附亚砷酸根离子过程中pH值的动态变化

PH Variation as Indicator for the Reaction between Arsenite and Absorbents

涂碳（石墨）PVC膜苦味酸根离子选择电极

The Coated Carbon ( graphite ) PVC Matrix Membrane Picrate Ion-selective Electrodes

对影响剂量测量的几个因素进行了研究，发现重铬酸根离子初始浓度对G值有一定的影响；

It is found that the G value slightly depends on the initial concentration of dichromate ions .

又考虑到双歧杆菌的生长受到pH值和酸根离子的抑制。

The growth of Bacillus bifidus could also be restrained by pH and the ion of acid radical .

一种性能良好的PVC膜苦味酸根离子选择电极

A Good PVC Matrix Membrane Picrate Ion-selective Electrode

采用小角X射线衍射和高分辨率透射电镜研究了不同酸根离子对产物介孔结构的影响。

The effects of acid counteranions on the mesophases were investigated by X-ray diffraction and high-resolution transmission electron microscope .

本文所用的高氯酸根离子选择性电极是用三辛基十六烷基高氯酸季铵和PVC粉制备的。

The perchlorate ion selective electrode prepared from cetyl trioctyl ammonium perchlorate and PVC is studied and developed .

基于不对称双Schiff碱异三核配合物为中性载体的水杨酸根离子选择性电极的研究

Studies on salicylate - selective electrode based on dissymmetrical double schiff base complex as neutral ionophore

有机沸石对水中BTEX及铬酸根离子的吸附

Adsorption behavior of organo - Zeolite for BTEX and chromate in water

DTA和FT－IR分析结果表明，锶离子和醋酸根离子均匀地分散于凝胶基体之中。

The results of XRD and FT-IR indicated that strontium ion and acetate were homogeneously distributed in the gel matrix .

高pH值时，虽然呈阴离子状态的月桂酸根离子容易吸附在荷正电荷的金属表面，但是缓蚀剂的吸附并不能显著改变金属表面的电荷状态。

At higher pH values , although the net charge state was favorable to the adsorption of laurate , the adsorption of the inhibitor had no obvious influence on the charge state of the metal surface .

涂碳PVC膜SCN~-、ClO4~-和苦味酸根离子选择电极&碱性染料结构对PVC膜电极性能的影响

Study on coated carbon PVC matrix membrane SCN ~ - , C1O_4 ~ - and picrate ion-selective electrodes-influence of structure of basic dye on the characteristics of electrode

在较低pH值时，异菸酸通过环平面平躺吸附在银膜表面上，在较高pH值时，异菸酸是以异菸酸根离子的-COO~-端竖式吸附在银膜表面上。

At lower pH values , isonicotinic acid flatly adsorbed on the chemically deposited silver film surface via ring plane ; at high pH values , isonicotinic acid perpendicularly adsorbed on the silver film via - COO ~ - of isonicotinic ions .

而分子吸收干扰通常是酸根离子带来的，在这里用几种常见酸的不同浓度溶液作为介质，分别对Cd、Pb、Cr等进行火焰法检测，对检测结果进行统计分析从中得出结论。

Using aqua of different densities of a little familiar sour as medium here , carrying on the flames method examination respectively to the Cd , Pb , Cr. As a result , carry on statistics to the examination analysis and get a conclusion .

运用试验设计方法，较系统地研究了各种工艺参数对钨酸根离子缩聚成仲钨酸铵（APT）沉淀的影响规律，并对其缩聚结晶的动力学机理进行了初步探讨。

All kinds of technical parameters and their rules on the preparation of macrocrystalline ammonium paratungstate ( APT ) were studied by means of intercross experimental method , the mechanism of kinetics on crystal growth by condensation-polymerization was simply discussed .

该平行催化氢波被用于测定碘酸根离子氧化原子态氢的表现反应速率常数及提高PAP的分析灵敏度。

The parallel catalytic hydrogen wave was used to obtain the apparent rate constant of the oxidation reaction of atomic hydrogen by iodate ion . Further more , it can improve the analytic sensitivity of PAP .

以天然沸石作为对比物，考察了有机沸石对水中BTEX（苯、甲苯、乙苯、二甲苯）及铬酸根离子的吸附性能。

The adsorption behavior of benzene / toluene / ethylbenzene / xylene ( BTEX ) and chromate to organo zeolite in water was examined and compared to that of natural zeolite .

关键之处在于利用多酸的酸性来控制PAA中与羧酸根离子配位的Ag+的释放量，从而控制纳米粒子的尺寸。

The key point of this approach is that acidity of POMs can control the released amount of Ag + complexed with – COO - groups of PAA and in turn control the size of nanoparticles .

溶液的粘度随硅量指数的上升而提高。这主要是由于Al（OH）4~-四面体和SiO2（OH）2~（2-）四面体结构相似，进而发生互换，形成较大的铝硅酸根离子而造成。

The solution viscosity got elevation with the increase of silicon index , which can be mainly ascribed to the formation of large alumino-silicate ions as a result of ion interchange between A1 ( OH ) 4-and SiO2 ( OH ) 2 , both with similar tetrahedron structure .

以壳聚糖及甲醛-环氧氯丙烷改性壳聚糖为反应介质的EK/PRB修复系统在改变反应介质质量的情况下，其酸根离子的修复效果好于EK/PAN纳米纤维膜PRB系统。

As for the EK / PRB system with chitosan or methanal-epoxy chloropropane modified chitosan for the reactive medium . The remediation efficiency of acid radical ions was better than that of EK / PAN nanofiber PRB system .

研究结果表明，金属离子能降低浆料的负电性，并能提高ASA的施胶效能，酸根离子能增加浆料的负电性，对ASA的施胶不利。

The results showed that metal ions can decrease the anionic charges of the stock , and increase sizing effect of ASA on the stock with proper dosage . The existence of acidic groups may increase the anionic charges of the stock and be detrimental to ASA sizing .

氢氧化铁凝胶与亚砷酸钠溶液混和后，溶液的pH值在6min内从9.71上升到10.36，原因是亚砷酸根离子置换了针铁矿和氢氧化铁中的氢氧根；

It was found that , due to the replacement of OH - by arsenite in goethite and Fe ( OH ) _3 , pH changed from 9.71 to 10.36 6 minutes after the Fe ( OH ) _3 gel was mixed with NaAsO_2 solution .

新型离子交换纤维去除水中砷酸根离子的研究

Removal of Arsenate by a New Type of Ion Exchange Fiber

常见酸根离子浓度的激光拉曼光谱定量分析

Quantitative Analysis of Common Acid Radical Ions by Laser Raman Spectrometry

靛红褪色分光光度法测定溴酸根离子研究

A Study on Fading Photometric Determination of Bromate with Isatin

镁铝阴离子粘土对砷酸根离子的吸附作用

Adsorption of arsenate anion by Mg - Al anionic clay

亚硒酸根离子选择电极的研制及应用

The Preparation and Application of a Selenite Ion Selective Electrode

一种新的氰亚金酸根离子选择电极装置的研究

Studies on a new construction of the aurocyanide ion-selective electrode