Results 21 to 30 of about 1,612,123 (209)

表面活性剂胶束对Belousov-Zhabotinsky振荡反应的影响

open access: yes四川大学学报. 自然科学版, 2009
采用我们自己开发设计的无纸记录仪器,从铈离子催化的经典B-Z振荡反应出发,探讨了三种不同类型的表面活性剂即阳离子表面活性剂CTAB,非离子表面活性剂Brij35和阴离子表面活性剂SDS对其振荡行为的影响。实验结果表明:当表面活性剂浓度大于其在该溶液中的临界胶束浓度时,都会对振荡反应造成一定的影响,不同的表面活性剂其影响程度的大小和趋势也有所不同。
罗冬丽   +5 more
doaj  

Constructing Asymmetric Cu–OV–Mn Sites on MOFs‐Derived Cu‐MnOx Microspheres With Abundant Oxygen Vacancies for Enhanced Photothermal VOC Degradation

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT With the growing severity of volatile organic compounds (VOCs) pollution, metal‐organic frameworks (MOFs)‐derived materials offer a promising solution through efficient photothermal catalysis. In this paper, M‐MnOx (M = Cu, Ni, Co, Fe) catalysts derived from manganese‐based MOFs were successfully prepared by the sacrificial template method and
Yizhong Liao   +10 more
wiley   +1 more source

两性表面活性剂及其在水处理技术中的应用

open access: yesGongye shui chuli, 1982
凡分子结构内同时具有性质不同的两种亲水基团的表面活性剂,都称为两性表面活性剂。但现在习惯上所指的乃是分子结构中同时含有阴、阳离子亲水基团的一类表面活性剂。两性表面活性剂,国外于1930年开始研究,美国专利在1937年才见报导,1940年DuPont发表了甜菜碱系型的两性表面活性剂,同年德国的Adolf Schmitz发表了Tego型的,并广泛地应用在杀菌消毒方面。目前,研究的品种和应用范围还在逐步增加和扩大。
徐玉珮, 汪祖模, 徐寿昌
doaj  

From Dendrite Accelerator to Suppressor: Engineering a Self‐Assembled Monolayer for Ultrafast and Dendrite‐Free Zinc Deposition

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT Aqueous zinc‐ion batteries are plagued by anode challenges such as dendrite growth and corrosion, which stem from intrinsic surface heterogeneity. Although constructing a homogeneous interfacial layer is a promising strategy, conventional electrolyte additives often suffer from incomplete or unstable coverage.
Ke Huang   +6 more
wiley   +1 more source

单一表面活性剂胶束对MBH和Q-(OH)2之间氢负离子转移反应的影响

open access: yes四川大学学报. 自然科学版, 2002
在水溶液中 ,2 5℃条件下 ,使用停流法研究了单一表面活性剂胶束对MBH与Q (OH ) 2之间的氢负离子转移反应的影响 .实验结果表明 ,离子型表面活性剂和两性表面活性剂对该反应有抑制作用 ;非离子型表面活性剂对该反应基本无影响 .从表面活性剂单体 (或胶束 ...
王瑾   +4 more
doaj  

A Dual‐Strategy of Iodine Doping and Electrolyte Additive Enabling Fast Reaction Kinetics and Robust Interface for Li‐Se Batteries

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT Lithium‐selenium (Li‐Se) batteries have attracted considerable attention due to their high theoretical specific capacity and the intrinsically good electronic conductivity of selenium. Nevertheless, low active‐material utilization, parasitic side reactions, and sluggish reaction kinetics hinder their practical application.
Yanan Fu   +8 more
wiley   +1 more source

表面活性剂在滇池水体中的生物降解

open access: yes, 2008
利用河水衰减法研究阴离子表面活性剂(LAS)和非离子表面活性剂(NIS)在滇池水体中不同条件下的生物降解规律.结果表明:在滇池自然水体中,LAS和NIS均能生物降解,在试验时间(30d)内,L,AS的降解率达95%以上,NIS的降解率达92%以上,其降解动力学遵从二级动力模型.改变水温、表面活性剂初始浓度、pH值以及添加营养物质(葡萄糖或磷酸氢二钠)均对LAS和NIS的降解有一定的影响.水温对表面活性剂生物降解影响最大,当水温从20℃增至30℃时,LAS的降解速率从0.73-1增至2.10d-1 ...
王智, 吴幸强, 肖邦定, 涂新海
core   +1 more source

ZnO压敏陶瓷制造用有机原材料的选择及优化应用(续)

open access: yesDianci bileiqi, 2007
(接《电瓷避雷器》2007年第3期第46页)2分散剂分散剂是一种表面活性剂,为了便于理解分散剂的作用原理,首先介绍有关表面活性剂的理化性能,然后介绍适合于氧化锌浆料制备的表面活性剂,包括分散剂、消泡剂等。
王振林
doaj  

Synthesis, characterization and catalytic combustion properties of manganese oxide octahedral molecular sieve(氧化锰八面体分子筛的合成、表征及其催化燃烧性能)

open access: yesZhejiang Daxue xuebao. Lixue ban, 2011
通过回流法和固相法合成了隐钾锰矿型氧化锰八面体分子筛OMS-2催化剂,采用XRD、FE-SEM、O2-TPD-MS和H2-TPR等表征技术考察了分子筛催化剂的形态和表面氧的热脱附性能及还原性能,并将其应用于甲苯和甲醛的催化燃烧反应.实验结果表明,合成方法对制备的催化剂的表面性质和催化燃烧性能具有显著影响.回流法制备的催化剂对于甲苯的燃烧具有较高的活性,而固相法合成的催化剂在甲醛的燃烧中具有更好的催化活性.催化燃烧性能取决于催化剂的表面形态和氧物种的种类 ...
LINGFei(凌飞)   +4 more
doaj   +1 more source

Dual‐Engineered Electrocatalyst: Work‐Function‐Driven Electronic Reconfiguration and Self‐Sacrifice Nanorod‐Templated Nanoflowers of Ni3S2/MoS2 Heterojunctions for High‐Performance Hydrogen Evolution

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT Water electrolysis is a promising method for green hydrogen production, but slow hydrogen evolution reaction (HER) kinetics require efficient catalysts. In this study, we develop a Ni3S2/MoS2 heterostructure electrocatalyst using a work‐function‐driven electronic modulation strategy combined with a self‐sacrificial template approach.
Xinxin Zhao   +11 more
wiley   +1 more source

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