Growth of polyaniline film in different protonic acids 聚苯胺薄膜在不同质子酸溶液中的生长
They believe that the charge carrier is protonic. 他们相信电荷载体是质子。
As a new type catalytic material, supported heteropoly acid has proved excellent virtue compared with traditional protonic aid catalysts. It has been applied in oil-refining technology, chemical technology and syntheses of fine chemicals. 固载型杂多酸作为一类新型固体酸催化材料,与传统的质子酸催化剂相比,其优点突出,已应用于炼油技术、化工和精细化学品的合成领域。
Acid centers of the protonic type made up of two aluminium atoms are believed to be mainly responsible for the cracking activity of such catalysts, although certain other acid centers may also possess catalytic activity to a greater or less extent. 作者认为这类催化剂的活性主要是由具有两个铝原子的质子酸中心所产生的,虽然某些其它类型的酸性中心也可能在不同程度上具有催化活性。
In addition to the protonic doping of PAn, iodine oxidative doping, light-assisted oxidative doping and K++-implantation reductive doping of PAn were found and reported. 除了质子酸掺杂外,发现了聚苯胺的碘氧化掺杂、光助氧化掺杂和K+注入还原掺杂;
Layered zirconium phosphates have attracted much attention because of their potential applications in the fields of catalysis, sorption and protonic conduction. 层状磷酸锆材料由于在催化、吸附和质子导电等领域的应用前景而引起人们的广泛关注。
These materials were divided into two types: oxide-ionic conductor and protonic conductor, their mechanism of ionic conduction and research progress are reviewed in this paper. 将钙钛矿型固体电解质材料分为氧离子导电型和氢离子导电型两种类型,分别介绍了它们的导电机理及近期研究进展。
It is found that the good conductivity of polyaniline is attributed to the dislocating of charge and the forming of conjugation of molecular chain after doped by protonic acid, and the oxidation state of polyaniline is different as synthesizing in different protonic acids; 结果表明,经质子酸掺杂后聚苯胺具有导电性是因为其分子链上电荷离域形成了共轭结构,且在不同质子酸中生成的聚苯胺氧化程度不同;
In situ UV Vis spectra for protonic acid doping reaction of polyaniline in organic solvent were recorded. The doping reaction mechanism was obtained from the chemical factor analysis for the first time. 对聚苯胺在有机溶剂中掺杂质子酸的反应进行了in-situUV-Vis光谱跟踪,用因子分析法对掺杂反应机理进行了研究。
Allyl chloride conversion and H 2O 2 utilization ratio could be improved by increasing reaction temperature and amount of catalyst, using protonic solvents of small molecules ( such as methanol) and prolonging reaction time. 发现升高反应温度、增大催化剂用量、采用适量小分子质子性物质(如甲醇)作溶剂、延长反应时间可提高环氧化反应中反应物氯丙烯的转化率与H2O2的有效利用率;
This paper surveys the possible protonic devices using a proton conducting ceramic. 本文纵览了基于质子导电陶瓷的种种可能的质子学器件。
The adsorption of pyridine on protonic acid centres is selective. 吡啶对质子酸中心有选择性吸附作用;
Intermediate temperature solid protonic conductors and fuel cells proton therapy 中温固态质子导体和燃料电池
Study on Protonic Acid Doping Mechanism of Polyaniline 聚苯胺的质子酸掺杂机制的研究
The destruction of intramolecular hydrogen bond, hemiacetal formation and their kinetics for fluoro-containing β-diketone compounds in protonic solution have been studied by absorption and 'H NMR spectroscopy. 本工作利用吸收光谱及核磁共振氢谱的方法对两种含&CF3基的β-二酮类化合物在质子溶剂中引起分子内氢键的破坏,缩醛化的发生及其动力学等进行了研究。
The reaction can be catalyzed by protonic Acid. 质子酸可以催化反应的完成。
Proton Therapy The forth: Protonic water is determined by the bound circumstance of hydration ion in acid solution. 质子水,它是酸溶液中水合离子的结合情况。
Recent developments and possible applications of protonic conductors with perovskite structure were summarized in the present paper. 简要介绍了钙钛矿型复合氧化物氢离子导体开发及应用研究现状和应用前景。
High-temperature protonic conductors have potential applications in fuel cells, gas sensors, membrane separators and membrane reactors, etc. 高温质子导体可用于燃料电池,气体传感器,膜分离器和反应器等能源变换和多种电化学装置中,因而具有广泛的应用前景。
Study on the Protonic Dissociation Equilibrium of Soil Humic Acid 土壤腐殖酸的质子解离平衡研究
The polyaniline was synthesized by the microemulsion method with ammonium persulfate ( APS) as an oxidant in functional protonic acid-water-n-butyl alcohol systems. 用(NH4)2S2O8为氧化剂,在功能质子酸水正丁醇三元体系中,用微乳液法合成了聚苯胺。
Effect of Doping Polyaniline with Macromolecular Functionalized Protonic Sulfonic Acid 导电聚苯胺的大分子功能质子磺酸掺杂及作用
Effect of Protonic Acids Types on the Structures and Conductivity of Polyaniline 掺杂质子酸的类型对聚苯胺结构和电导率的影响
It is pointed out that the only way to endow polyaniline prepared by chemical oxidization in emulsion or aqueous solution with LC properties is to dope polyaniline with functionalized protonic acids, such as camphor sulfonic acid or dodecylbenzene sulfonic acid. 指出对于乳液或水溶液化学氧化聚合制得的聚苯胺,大分子功能质子酸如樟脑磺酸、十二烷基苯磺酸掺杂是其获得溶致液晶性的唯一途径。
Up to now, the methods for preparing aromatic ketones still involve homogeneous metal chlorides or protonic acid used as catalysts in batch reactors via Friedel-Crafts acylation in industry. 目前,工业上通过Friedel-Crafts酰基化反应制备芳酮类化合物的工艺仍然是以均相的金属氯化物或质子酸等为催化剂,采用釜式反应器。
In this thesis, we use chiral protonic acid and Lewis acid as catalyst to catalyze this reaction. Although the result is not so good, it laid a foundation for later study. 我们用手性的质子酸和路易斯酸为催化剂对它的手性反应进行了初步尝试,虽然结果不尽理想,但为以后的研究积累了宝贵经验。
For example, fluorescent molecules will be quenched in protonic solvents. The main reason is the modification effect of hydrogen bond between solute and solvent molecules. 比如,很多具有荧光性质的分子在质子性溶剂中会发生荧光淬灭,主要原因就是溶质与溶剂分子之间氢键相互作用对体系电子激发态性质的调节作用。
In order to further improve the catalytic activity and investigate the influence of catalyst acidic properties on the catalytic activity, acid-treated montmorillonite and molecular sieve H β were modified by loading Lewis acid and protonic acid treatment. 为了进一步提高催化剂的催化活性和考察催化剂酸性质对催化剂活性的影响,对酸化蒙脱土和Hβ分子筛进行了改性处理并考察了它们改性后的催化活性。
The experimental results prove that the reaction can catalyze by either Lewis acid or protonic acid and show high nucleophilic abilities of the α? position of these polarized alkenes. 实验证明,该偶联反应在路易斯酸和质子酸的作用下均能够获得较为理想的结果。实验结果从分说明了这类活化烯烃的α?位具有较强的亲核性。