离子基

屏蔽理论对LiⅠ等电子序列离子基组态能量的计算方法研究

Screening theory for ground configuration energies of Li-like ions

类Li和类Be等电子序列离子基组态能量的Z相关修正

Z-dependent corrections for ground configuration energies of Li and Be-like ions

采用羟基官能度不同的马来酸酐改性蓖麻油（MCO），合成了一系列软段含有离子基的聚氨酯水分散液（MCPU）。

A series of aqueous polyurethane dispersions ( MCPU ) with ionic groups in the soft segments were prepared with maleic anhydride modified castor oil ( MCO ) of various hydroxyl functionality .

改性蓖麻油制备软段离子基聚氨酯水分散液

Modified Castor Oil-based Polyurethane Dispersions with Ions in Soft Segments

它有很多羰基，这使得它是一个聚负离子基的生物聚合物。

It has many carboxyl groups that make it a polyanionic biopolymer .

苯乙酮缩氨脲类化合物及其正负离子基的氮氢键的断裂能

Cleavage Energies of Nitrogen-Hydrogen Bonds in para-Substituted Acetophenone Semicarbazones and Corresponding Radical Ions

AM的引入将聚合物的环化机理从自由基环化机理过渡为离子基环化机理。

The presence of AM changes the cyclization reaction mechanism of the copolymers from a free radical cyclization reaction to an ionic one .

用顺磁共振法研究了在硅铝上某些多核芳烃如苝、蒽生成正离子基的情况。

The formation of the positive radical-ion from certain polynuclear aromatic hydrocarbons like perylene and anthracene on the surface of the silica-alumina catalyst has been studied by the electron-spin resonance ( ESR ) technique .

可改变DNA构象的非离子糖基表面活性剂

Sugar-based Nonionic Surfactant that can Change the Conformation of DNA

N，N-二甲基苯胺及正离子自由基结构特征的理论研究

Theoretical study on structural property of N , N-dimethylaniline and t 's radical cation

ESR方法检测竹红菌素的半醌负离子自由基

Detection of Semiquinone Radical Anions of Hypocrellins by ESR Spectra

结果表明：N，N-二甲基苯胺与其正离子自由基一样，为准平面的结构，不再是苯胺形的锥形结构；

The results show that N , N-dimethyl aniline is quasi-planar and isn 't pyramidal structure like aniline , same as it 's radical cation ;

多核芳烃正离子自由基的ENDOR和EPR研究

ENDOR and EPR studies of novel polycyclic aromatic radical cations

正离子自由基的化学Ⅱ，芳胺五氯化锑络合物的ESR及阻聚性质

The Chemistry of Positive Ion Free Radical ⅱ、 Electron spin Resonance of Complexes of Some aromatic amine with Antimony Pentachloride and Their properties of Inhibiting Polymerization

在衰老过程中由于活性氧的清除系统紊乱，导致超氧离子自由基大量累积，并加剧了膜脂过氧化程度和MDA过量累积，使得膜透性增加。

The disorder of O2 - elimination result in large account of super oxygen ion accumulating , and increasing membrane superoxide activity , and make MDA excessively accumulate , which make membrane relative permeability increase .

θ<60o时，SiO2的表面刻蚀主要决定于入射离子与基片表面间的能量转换，转换能量的大小深刻地影响着SiO2的刻蚀速率，同时也影响形成于基片表面的碳氟聚合物的去除速率。

Etching of SiO2 at ion angles below 60o are determined by the ion energy transferred to the surface , which affects the SiO2 etching rate and the rate of removal of a fluorocarbon polymer film formed on the substrate surface simultaneously .

在G3MP2B3理论水平下研究了氧负离子自由基（O-）与乙烯（C2H4）的反应机理。

The reaction mechanism of atomic oxygen radical anion ( O - ) with ethylene ( C2H4 ) has been investigated at the G3MP2B3 level of theory .

结果表明，壳聚糖固定化的N-亚水杨基氨基酸Schiff碱亚铁配合物对超氧离子自由基的清除能力有所降低，但仍具有较强的抑制作用。

Comparing the effect of ferrous N-salicylidene glycine complex on the elimination of superoxide anion with chitosan-ferrous-Schiff base complex ′, it was found that the eliminative effect of the chitosan-ferrous-schiff base complex decreased in a sort , but still remained the stronger ability of eliminating superoxide anion .

空气负离子保健基元材料的研究

The research of air - negative - ion healthcare elementary materials

聚离子亚基化合物结构影响外源基因转染效率

The structures of the ionene polymers affected the efficiency of exogenous transient transfection

聚离子亚基化合物介导的基因转移方法可用于外源基因的瞬时表达

Gene transfer mediated by ionene polymer may be used in transient expression in eukaryocytes

氧负离子自由基与苯的反应机理研究

Investigation of the Mechanism of the Reaction between Atomic Oxygen Radical Anion and Benzene

对苯二胺和N-取代衍生物正离子自由基的共振喇曼光谱研究

Resonance Raman spectroscopic studies of the cationic radicals of p-phenylenediamine and its N-substituted derivatives

处于溶剂笼中的三重态离子自由基对经电子反传，产生激发三重态二烯。

Excited triplet diene is formed via back electron transfer between radical ion pair within a solvent cage .

电子转移的外电场效应&苯分子与苯正离子自由基间电子转移的从头算研究

Effect of External Electric Field in Electron Transfer An Ab Initio Calculation for Electron Transfer Between Benzene and Benzene Cation Radical

采用密度泛函理论研究了氧负离子自由基与苯分子的反应。

The reaction mechanism between atomic oxygen radical anion and benzene has been investigated using the density functional theory ( DFT ) .

荧光猝灭及激光闪光光解实验证明四正丁基四氟硼酸铵能促进电荷分离过程而生成离子自由基对。

Fluorescence quenching and flash photolysis experiment proved that n-Bu_4NBF_4 could cause the dissociation of the exciplex to form separated radical ions effectively .

利用量子化学计算讨论和分析了丁二烯负离子自由基的结构及偶合方式。

On the basis of calculation of quantum chemistry ( MNDO ) the anion-radical structure of butadiene lithium and its coupling mechanism were proposed .

在表面活性剂溶液浓度较低时，氨基酸和肽主要与表面活性剂的离子头基相互作用。

At relatively low concentrations of the surfactant solutions , the amino acids and glycine peptides mainly interact with the head groups of the surfactant molecules .

结果表明：高铁离子自由基的激发波长为292.8nm，衰减符合一级动力学行为；

The results showed that the maximum excitation wavelength of ferric radicals was 292 . nm , nd its at-tenuation was in accord with the kinetics of first order reaction ;