zwitterionic是什么意思   zwitterionic怎么读

英式:[ˌtsvɪtəraɪ'ɒnɪk]    美式:[ˌtsvɪtəraɪ'ɒnɪk]

zwitterionic单词基本解析:

adj.两性离子的
adj. 两性离子的
adj.两性离子的;

zwitterionic变化用词:



zwitterionic英英释义:

zwitterionic中文词源:

zwitterionic用法和例句:

zwitterionic


This paper describes their various surface properties and solubility phenomena when zwitterionic surfactant is mixed with them.

(2) 加入两性表面活性剂的量适当, 混合溶液基本保持原正负离子表面活性剂的表面活性;


Improvement and Application of PAC and Zwitterionic Drilling Fluid System

PAC和两性离子钻井液体系改进及应用


Drag-reduction characteristics of a novel zwitterionic surfactant solution

一种新型两性界面活性剂的减阻特性


zwitterionic heterogemini surfactant

不对称双子表面活性剂


The results show that a dominant interaction between -OH group of n-propanol and the zwitterionic group of serine gives positive contribution to the transfer volume.

丝氨酸在正丙醇-水混合溶剂中的迁移偏摩尔体积为正值,且随醇浓度的增大而增大。


Determination of Inorganic Anions and Organic Acids in Atmospheric Aerosols by Mobile Phase Ion Chromatography Using Zwitterion as Eluent

两性化合物与离子对试剂的混合物作流动相的流动相离子色谱法测定气溶胶中水溶性阴离子


zwitterionic stationary phase

两性固定相


the antistatic effect of zwitterionic antistatic agents was less affected by ambient humidity.

两性抗静电剂的抗静电效果对环境湿度有较好的适应性。


zwitterionic dyestuff

两性染料


zwitterion intermediate

两性离子中间体


zwitterion hypothesis

两性离子假说


zwitterionic compound

两性离子化合物


zwitterionic chromogens

两性离子发色体


zwitterionic guar gum

两性离子型瓜尔胶


Keywords zwitterionic guar gum;additives of cosmetics;viscosity properties;

两性离子型瓜尔胶;化妆品添加剂;溶液性质;


Keywords zwitterionic guar gum;dry process;viscosity behaviours;surface tension;

两性离子型瓜尔胶;干法;溶液性质;表面张力;


zwitterion equilibrium

两性离子平衡


zwitterionic form

两性离子形式


zwitterion concept

两性离子概念


zwitterionic amino acid

两性离子氨基酸


zwitterionic detergent

两性离子洗涤剂


Determination of Phosphate, Chloride and Sulfate in Heteropoly Acid by Zwitterion Eluent

两性离子流动相测定杂多酸中的磷酸根、氯离子和硫酸根


zwitterionic buffer

两性离子缓冲液


zwitterion polymerization

两性离子聚合


zwitterionic polymer

两性离子聚合物


Application of zwitterionic polymer drilling fluid system in DB zone of Jilin oilfield

两性离子聚合物钻井液体系在吉林DB区块的应用


zwitterionic membrane

两性离子膜


zwitterionic surfactant

两性离子表面活性剂


zwitterionic diazonium salt

两性离子重氮基盐


Zwitterion An ion with both a positive and a negative charge.

两性离子:既带有正电荷又带有负电荷的离子。


Zwitterion An ion with both a positive and a negative charge. Amino acids and form zwitterions: the amino group has the form-NH3+ and the acid group is ionized as-COO-.

两性离子:既带有正电荷又带有负电荷的离子。氨基酸就是这样一种离子:氨基基团为-NH3+而羧基端为-COO-。


Study on mechanism of zwitterionic polysaccharide in humoral immune response

两性糖体液免疫应答机制的研究


Keywords zwitterionic surfactant;analytical detection;chromatography;capillary electrophoresis;application;

两性表面活性剂;分析检测;色谱;毛细管电泳;应用;


Why is alanine predominantly zwitterionic rather than completely uncharged at its pI?

为什么在等电点pH时,丙氨酸主要为兼性离子而非完全不解离的形式?


Theoretical Study on Structures and Properties of Dihydrated Zwitterionic Glycine Complexes

二水合甘氨酸两性离子复合体的结构和性能的理论研究


The optimum sought super zwitterion polymer drilling liquid is with the aim,practicality,advantage and economy.

优选的超级两性离子聚合物钻井液具有针对性、实用性、先进性、经济性。


Ni Xiangshan*, Shi Xiufan, Lin Lunjiang* 1988 An interaction potential between an alanine zwitterion and a water molecule based on Abainitio calculations. International Journal of Quantum Chemistry , 34: 527-533.

倪向善*、石秀凡、林伦奖*1988基于从头算的丙氨酸两性离子和水分子的相互作用。国际量子化学杂志,34:521-533。


Keywords Interaction between molecules;Hydrogen bond;B3LYP;Glycine;Zwitterion;

关键词分子间相互作用;氢键;B3LYP;甘氨酸;两性离子;


Its chemical structure insures that the thickener does not react with cationic, anionic or zwitterionic surfactants and emulsifiers and does not require neutralization.

其化学结构的保险,该增稠剂不反应,阳离子,阴离子或两性离子表面活性剂和乳化剂,并且不需要失效。


zwitterionic substituted

兼性离子取代的


zwitterionic character

兼性离子特性


zwitterionic surface-active agent

兼性离子表面活性剂


Keywords molecular dynamics simulation;zwitterionic biomaterial surface;blood compatibility;PolyAlanine13 peptide;protein/biomolecule-water interaction;

分子动力学模拟;两性离子材料表面;不凝血性;聚13丙氨酸肽链;蛋白质/生物分子-水相互作用;


The cell wall can be destructed badly by zwitterionic porphyrin, when it was observed by AFM (Atomic Force Microscope).

同时我们还利用原子力显微镜(Atomic Force Microscope,AFM)观察到带有正负电荷的卟啉(16)对细胞壁的破坏作用明显强于只带负电荷的卟啉。


Keywords imidazoline;secondary amide;zwitterionic surfactant;

咪唑啉;仲酰胺;两性表面活性剂;


Keywords vesicle;hydrotalcite-like compound;zwitterionic surfactant;anionic surfactant;

囊泡;类水滑石;两性表面活性剂;阴离子表面活性剂;


At an intermediate pH value, an amino acid acts as a dipolar ion, or zwitterion, which has no net charge. This pH is the isoelectric point (pI), which varies according to the R group involved.

在pH值适中的时候,氨基酸可作为偶极离子,或两性离子,它不带电。这个pH值叫等电点,它随着R基团的不同而不同。


Keywords Gemini surfactant;Zwitterionic;Structure;Characterization;Interfacial tension;

孪联表面活性剂;两性;结构;表征;界面张力;


Ab initio calculations have been performed for both the neutral form and zwitterion of imidazol1ylacetic acid in the gas phase and in aqueous solution(using SCRF model).

对咪唑-1-乙酸中性分子和两性离子分别在气相及水溶液中(采用SCRF模型)进行了从头算,探讨了溶剂和基组对体系几何结构和相对稳定性的影响。


Key words: protein-surface interactions antithrombotic material molecular dynamics simulation zwitterionic structure nine peptides of FXII.

尽管完全验证“维持自然状态说”还必须对更复杂的蛋白质分子进行模拟,但本课题的工作仍然为其提供了一个有力的佐证。


Keywords photochromism;schiff bases;photoproduct;flash photolysis;zwitterion;

希夫碱;光致变色;光产物;闪光光解;两性离子;


After the reaction of the partial carboxyl anions with ETC molecules, PANa chains become zwitterionic, i.e. each of PANa chains carry both carboxylic anions and ammonium cations.

当部分PANa分子链和ETC分子作用之后,PANa分子就成为两性离子的分子,也就是说,PANa分子上同时带有羧酸负离子和铵正离子。


Keywords novel;zwitterionic surfactant;drag-reduction;turbulence characteristics;

新型;两性界面活性剂;减阻;湍流特性;


Recently,studies of structure and dynamic properties of wormlike micelle have extended to different surfactant type such as anionic,zwitterionic and polymeric surfactants.

最近,蠕虫状胶束的结构和动态性质的研究已经延伸到不同类型的表面活性剂,如阴离子、两性离子和聚合物表面活性剂。


Keywords ordered mesoporous materials;betaine zwitterionic surfactant;silica;template;

有序介孔材料;甜菜碱表面活性剂;二氧化硅;模板;


In this research work, DMMSA, a kind of zwitterionic monomer, were constructed onto the surface of the general biomaterials to improve their blood compatibility.The work contains three parts.

本研究工作是将磺铵两性离子结构构建到生物材料的表面,并对材料的血液相容性进行研究。


Keywords capillary electrochromatography;zwitterionic stationary phase;separation mechanism;

毛细管电色谱;两性固定相;分离机理;


Keywords Mobile phase ion chromatography;heteropoly acid;zwitterion;ion pair reagent;

流动相离子色谱;杂多酸;两性离子;离子对试剂;


Glycine is a weak acid and it can exist in either of two states, an uncharged zwitterion, or a charged glycinate anion (that is to say, negatively charged).

甘氨酸是一种弱酸,只能以两种形态存在:不带电荷的两性离子,或者带负电荷的氨基酸阴离子。


Besides zwitterionic surface, two other typical surfaces, namely, hydrophobic, hydrophilic, were also modeled to present different surface chemistry to nine peptides of FXII.

由于受到计算资源的限制,模拟整个蛋白质分子目前尚不可行。


for HC-FC cationic-anionic and zwitterionic systems the saturated adsorption film possibly have a double-or multilayer structure.

离子表面活性剂与两性表面活性剂混合体系在表面层中有可能形成双分子或多分子层结构。


Results The concentration of zwitterionic detergent CHAPS and reductant was decisive for obtaining good resolution of 2-DE pattern.

结果:两性离子去污剂CHAPS及还原剂的浓度是影响双向电泳图谱分辨力的重要因素;


Construction of Sulfoammonium Zwitterionic Structure onto Surface of Polyurethane by Hexamethylene Diisocyanate (HDD Spacer for Improving Blood Compatibility

聚氨酯表面构建磺铵两性离子结构及其抗血小板粘附性的研究


Keywords Surface graft polymerization;Ozone activated graft polymerization;Sulfo ammonium zwitterionic monmer;Nonthrombogenic biomaterials;

表面接枝;臭氧活化接枝;磺铵两性离子单体;不凝血生物材料;


Coefficient of dissociation of this kind of zwitterion is low, can affect its to organize penetration, but can raise its to be opposite mucous penetration.

这种两性离子离解系数低,可影响其组织穿透力,但可提高其对粘液的穿透力。


The zwitterionic polymer drilling fluid system was chosen, and potassium polyacrylatic, organosilicon-potassium humate and acid soluble shielding temporary plugging agent were used to condit.

选择了两性离子聚合物钻井液体系,并加入聚丙烯酸钾、有机硅腐植酸钾和酸溶性屏蔽暂堵剂等对钻井液进行调整。


The interaction between polyvinylpyrrolidone (PVP) and zwitterionic surfactant tetradecylbetaine(C14BE) has been investigated by means of surface tension and time resolved fluorescence measurements.

通过表面张力和胶束聚集数的测定,研究了聚乙烯吡咯烷酮(PVP)与两性表面活性剂十四烷基甜菜碱(C_(14)BE)之间的相互作用.


Synergisms of zwitterionic surfactant between the mixed surfactant system of SDS/ C12-C12 were investigated.

采用界面张力法考察了两性表面活性剂C12-C12在癸烷中与十二烷基硫酸钠(SDS)的协同作用。


Keywords Drilling;Polymer;Drilling fluid;Inhibition property;Zwitterion;

钻井;聚合物;钻井液;抑制性;两性离子;


Keywords drilling fluid;zwitterionic polymer;Fanxue Oil Field;

钻井液;两性离子聚合物;樊学油田;


Keywords drilling fluid;zwitterionic polymer;hole shrinkage;hole collapse;rheological characteristic.;

钻井液;两性离子聚合物;缩径;井塌;流变性;


Keywords filtrate reducer;zwitterionic polymer;drilling fluid;

降滤失剂;两性离子聚合物;钻井液;