检索结果-南通市图书馆

A self-cleaning window for high-efficiency photodegradation of indoor formaldehyde

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2024年第9期35卷 340-345页

作者： Changzhu Huang wei Dai Shimao Deng Yixin Tian Xiaolin Liu jia Lin Hong Chen Department of Physics Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric PowerShanghai University of Electric PowerShanghai 200090China Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution ControlGuangdong Provincial Key Laboratory of Soil and Groundwater Pollution ControlSchool of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China Eastern Institute for Advanced Study Eastern Institute of TechnologyNingbo 315200China

Formaldehyde(HCHO)as an indoor air pollutant released by new furniture and decorative materials is of great *** a self-cleaning device to remove HCHO is an ideal way to improve indoor air *** this study,a self-cleaning window with a multilayered structure constructed from fluorinedoped tin oxide/bismuth tungstate/resorcinol-formaldehyde resin(FTO/Bi_(2)WO_(6)/RF)has been fabricated,which is capable of degrading HCHO in natural indoor *** as-fabricated device could utilize the natural room light and promote the generation and transfer of the photocatalytic carriers in Bi_(2)WO_(6),which subsequently delivers a good catalytic oxygen reduction efficiency in RF to produce hydrogen peroxide(H_(2)O_(2)).The as-synthesized H_(2)O_(2)could further split into hydroxyl radicals(•OH),then oxide the HCHO molecules in the *** present study demonstrates a novel and efficient strategy to fabricate a transparent multifunctional window for self-cleaning indoor gaseous pollutants,the concept is of great importance to be expanded in a broad range of indoor furniture for in-house air pollution control.

关键词： Bismuth tungstate Resorcinol-formaldehyde Photocatalysis Hydrogen peroxide HCHO degradation

A novel method for producing benzene polycarboxylic acids by electrochemical oxidation of Zhaotong lignite in aqueous NaCl solution

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Carbon Resources Conversion 2024年第2期7卷 88-94页

作者： Ze-Zheng Li wei-jia jiang Yu-Gao Wang Zhi-Lei Wang Jun Shen Xian-Yong wei College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuan 030024ShanxiChina School of Basic Medicine Shanxi University of Chinese MedicineJinzhong 030619China Institute of Environmental Science Shanxi UniversityTaiyuan 030031China Shanxi Huayang New Material Technology Group Co. Ltd.YangquanShanxi 045000China Key Laboratory of Coal Processing and Efficient Utilization Ministry of EducationChina University of Mining&TechnologyXuzhou 221116JiangsuChina

The development of a coal-based synthetic route to produce benzene polycarboxylic acids(BPCAs)is of great importance for the highly efficient utilization of *** this paper,aqueous NaCl^(-)electrolytic system was used to oxidize Zhaotong lignite to prepare *** electrochemical oxidation of lignite in aqueous NaCl solution could produce more BPCAs than that in aqueous NaOH *** aqueous NaCl electrolytic system could in-suit produce a stable OCl^(-),which was synthesized by the combination reaction between Cl_(2)and OH􀀀generated in the anode or cathode,*** in-suit produced OCl^(-)would degrade the organic structures of the lignite dispersing in the electrolyte to generate *** formation of BPCAs could be greatly affected by current density,electrolysis time and the addition amount of NaCl in the electrolytic system,which resulted from that the factors played an important role in the generation of OCl^(-).The coal related model compounds including anthracene and phenanthrene were used to investigate the electrochemical oxidation mechanism of the *** results indicated that the aromatic ring structures in the lignite were attacked by O_(2)•^(-)from the OCl^(-)to afford BPCAs.

关键词： Lignite Benzene polycarboxylic acids Electrochemical oxidation Aqueous NaCl electrolytic system Coal related model compounds

Clinical outcome and prognostic factors of T4N0M0 colon cancer after R0 resection:A retrospective study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Gastrointestinal Oncology 2024年第5期16卷 1869-1877页

作者： Bang Liu Zhao-Xiong Zhang Xin-Yang Nie wei-Lin Sun Yong-jia Yan wei-Hua Fu Department of General Surgery Tianjin Medical University General HospitalTianjin Medical UniversityTianjin 300052China

BACKGROUND Paradoxically,patients with T4N0M0(stage II,no lymph node metastasis)colon cancer have a worse prognosis than those with T2N1-2M0(stage III).However,no previous report has addressed this *** To screen prognostic risk factors for T4N0M0 colon cancer and construct a prognostic nomogram model for these *** Two hundred patients with T4N0M0 colon cancer were treated at Tianjin Medical University General Hospital between January 2017 and December 2021,of which 112 patients were assigned to the training cohort,and the remaining 88 patients were assigned to the validation *** between the training and validation groups were *** training cohort was subjected to multi-variate analysis to select prognostic risk factors for T4N0M0 colon cancer,followed by the construction of a nomogram *** The 3-year overall survival(OS)rates were 86.2%and 74.4%for the training and validation cohorts,***(P=0.000),T stage(P=0.001),right hemicolon(P=0.025),irregular review(P=0.040),and carbohydrate antigen 199(CA199)(P=0.011)were independent risk factors of OS in patients with T4N0M0 colon cancer.A nomogram model with good concordance and accuracy was *** Enterostomy,T stage,right hemicolon,irregular review,and CA199 were independent risk factors for OS in patients with T4N0M0 colon *** nomogram model exhibited good agreement and accuracy.

关键词： T4N0M0 colon cancer Prognosis Multivariate analysis Nomogram Colon cancer

Research on Demand Response Potential of Adjustable Loads in Demand Response Scenarios

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Energy Engineering 2024年第6期121卷 1577-1605页

作者： Zhishuo Zhang Xinhui Du Yaoke Shang Jingshu Zhang wei Zhao jia Su School of Electrical and Power Engineering Taiyuan University of TechnologyTaiyuan030000China

To address the issues of limited demand response data,low generalization of demand response potential evaluation,and poor demand response effect,the article proposes a demand response potential feature extraction and prediction model based on data mining and a demand response potential assessment model for adjustable loads in demand response scenarios based on subjective and objective weight ***,based on the demand response process and demand response behavior,obtain demand response characteristics that characterize the process and ***,establish a feature extraction and prediction model based on data mining,including similar day clustering,time series decomposition,redundancy processing,and data *** predicted values of each demand response feature on the response day are ***,the predicted data of various characteristics on the response day are used as demand response potential evaluation indicators to represent different demand response scenarios and adjustable loads,and a demand response potential evaluation model based on subjective and objective weight allocation is established to calculate the demand response potential of different adjustable loads in different demand response ***,the effectiveness of the method proposed in the article is verified through examples,providing a reference for load aggregators to formulate demand response schemes.

关键词： Demand response potential demand response scenarios data mining adjustable load evaluation system subjective and objective weight allocation

Hybrid nanoarchitectonics of TiO_(2)/aramid nanofiber membranes with softness and durability for photocatalytic dye degradation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2024年第7期35卷 188-191页

作者： Wenhao Wang Guangpu Zhang Qiufeng Wang Fancang Meng Hongbin jia wei jiang Qingmin Ji Herbert Gleiter Institute for Nanoscience School of Materials Science and Engineering Nanjing University of Science and TechnologyNanjing 210094China School of Chemical Engineering Nanjing University of Science&TechnologyNanjing 210094China Nantong Junjiang Material Science and Technology Co. Ltd.Haimen 226136China

TiO_(2)-based films are one of the most attractive photocatalysts owing to their highly cost-effective ***,most TiO_(2)-based photocatalytic films for dye degradation are in the form of robust films(without flexibility),TiO_(2)coatings on carbon matrix(with leakage risk),or surface-covered TiO_(2)hybrids(not favorite to contact with external molecules).Therefore,the development of durable and highly efficient TiO_(2)photocatalytic films for dye degradation is still ***,we fabricated soft photocatalytic hybrid membranes(TANFs)from TiO_(2)nanotubes(Ti NT)and aramid nanofiber(ANF)by a facile vacuum filtration *** similar morphology and dimension of Ti NT and ANF enable them intricately intertwine with each other in the membrane *** an appropriate mixing ratio,the TANF exhibited significantly improved optical and mechanical *** used for dye degradation,the membrane showed excellent photocatalytic performance and could keep stable activity and integrated state for repeated usage.

关键词： Titanium dioxide nanotube Aramid nanofiber Flexible hybrid membrane Photocatalysis Dye degradation

Reducing Energy Costs during Hydrogen Production from Water Electrolysis by Coupling Small Molecule Oxidation: From Molecular Catalysis to Industrial Exploration

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Precision Chemistry 2024年第9期2卷 447-470页

作者： jia Cheng Yang Xiang Xun Huang Zidong wei School of Chemistry and Chemical Engineering Chongqing UniversityChongqing 401331P.R.China

Hydrogen energy has garnered significant attention in recent years as a solution to address the global energy crisis and environmental *** water electrolysis stands out as the most promising method to produce green hydrogen,the sluggish reaction kinetics of the oxygen evolution reaction(OER)on the anode increases the cost of hydrogen *** potential solution to this challenge is replace OER with the thermodynamically more favorable oxidation of small molecules,which can efficiently reduce the energy cost while simultaneously yielding high-value *** to now,various organic oxidation reactions have been reported to couple with hydrogen evolution,including alcohol oxidation,biomass platform molecule upgrading,and sacrificial reagents oxidation associated with wastewater *** review concentrates on the recent advancements in the mechanism,catalyst,reactor,and process in this field,with a discussion on its prospects for commercialization.

关键词： Hydrogen evolution reaction Biomass oxidation Pollutant degradation Hybrid water electrolysis Reactor

Noncovalent cross-linked engineering hydrogel with low hysteresis and high sensitivity for flexible self-powered electronics

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第7期94卷 136-147页

作者： Hang Yuan Shaowei Han jia wei Songwei Li Peipei Yang Hao-Yang Mi Chuntai Liu Changyu Shen National Engineering Research Center for Advanced Polymer Processing Technology Key Laboratory of Materials Processing and Mold(Ministry of Education)Zhengzhou UniversityZhengzhou450002HenanChina Yunnan TobaccoQuality Inspection&Supervision Station Kunming 650106YunnanChina

In this study,the hydrogel network was reinforced by covalent-like hydrogen bonding,and the strong binding ability of boron-nitrogen coordination served as the main driving *** them,acrylamide(AM)and 3-acrylamidophenylboronic acid(AAPBA)were the main body,and the numerous hydroxyl groups in the trehalose(Treh)molecule and other polymer groups formed strong hydrogen bonding interactions to improve the mechanical properties of the PAM/PAAPBA/Treh(PAAT)hydrogel and ensured the simplicity of the synthesis *** hydrogel possessed high strain at break(1239%),stress(64.7 kPa),low hysteresis(100%to 500%strain,corresponding to dissipation energy from 1.37 to 7.80 kJ/m^(3)),and outstanding cycling stability(retained more than 90%of maximum stress after 200 ten-sile cycles).By integrating carbon nanotubes(CNTs)into PAAT hydrogel(PAATC),the PAATC hydrogel with excellent strain response performance was successfully *** PAATC conductive hydro-gel exhibited high sensitivity(gauge factor(GF)=10.58 and sensitivity(S)=0.304 kPa^(-1)),wide strain response range(0.5%-1000%),fast response time(450 ms),and short recovery time(350 ms),excellent fatigue resistance,and strain response ***,the PAATC-based triboelectric nanogener-ator(TENG)displayed outstanding energy harvesting performance,which shows its potential for appli-cation in self-powered electronic devices.

关键词： Low hysteresis Covalent-like hydrogen bonding Boron-nitrogen coordination Hydrogel sensor Triboelectric nanogenerator

POV-based molecular catalysts for highly efficient esterification of alcohols with aldehydes as acylating agents

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2024年第8期35卷 330-334页

作者： Zhikang Wu Guoyong Dai Qi Li Zheyu wei Shi Ru jianda Li Hongli jia Dejin Zang Mirjana Colovic Yongge wei Key Lab of Organic Optoelectronics&Molecular Engineering of Ministry of Education Department of ChemistryTsinghua UniversityBeijing 100084China State Key Laboratory of Natural and Biomimetic Drugs Peking UniversityBeijing 100191China Institute of Materia Medica Shandong First Medical University&Shandong Academy of Medical SciencesJi'nan 250117China University of Belgrade VincaInstitute of Nuclear Sciences-National Institute of the Republic of SerbiaDepartment of Physical ChemistryBelgrade 11351Serbia

The selective oxidative esterification of aldehydes with alcohols to the corresponding esters has been one of the hot spots in scientific research and industrial ***,the application of precious metal catalytic systems is limited by their complicated synthetic steps and high *** a highly efficient,green,recyclable selective synthesis method of esters catalyzed by polyoxovanadate(POV)-based molecu-lar catalysts has been developed in this *** results show that supramolecular interaction between POV and 1,3-dibenzylimidazolium bromide(Act_(2)Im)can efficiently convert alcohols and aldehydes to the corresponding esters in high yield under much milder *** insight is also provided based on the control experiments,single crystal X-ray diffraction and cyclic voltammetry studies.

关键词： POV Oxidation Supramolecular Esterification Catalyst

Improving the hydrostability of zeolitic imidazolate framework coatings using a facile silk fibroin protein modification method

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Nano Research 2024年第7期17卷 6247-6257页

作者： Xiuming wei Ting Chen Siyu Chen Qian jia Nurul Ain Mazlan Allana Lewis Norbert Radacsi Yi Huang School of Engineering Institute for Materials&ProcessesThe University of EdinburghRobert Stevenson RoadEdinburghEH93FBUK EASTCHEM School of Chemistry The University of St AndrewsPurdie BuildingNorth HaughSt AndrewsKY169STUK

Zeolitic imidazolate frameworks(ZIFs)are an important subclass of metal-organic frameworks(MOFs)with zeolite-type topology,which can be fabricated under ambient synthesis ***,the applications of ZIFs are commonly limited due to the weak hydrostability of their metal–ligand coordination bonds,particularly under humid and aqueous *** this work,as an example,the hydrolysis behaviours of ZIF-L with a special focus on ZIF-L coatings were tested at aqueous conditions with a wide range of pHs to systematically study and fundamentally understand their structural stability and degradation *** ZIF-L powder and ZIF-L coatings were severely damaged after only 24 h in aqueous ***,the ZIF-L coatings showed two distinct hydrolyzation pathways regardless of pH conditions,exhibiting either a ring-shaped etching or unfolding *** the ZIF-L powders were hydrolyzed almost identically across all pH *** this new understanding,a facile silk fibroin(SF)protein modification method was developed to enhance the hydrostability of ZIF-L coatings in aqueous *** effect of protein concentration on surface coating was systemically ***-L coating retained its surface morphology after soaking in water and demonstrated switchable super wetting properties and superior separation performance for oil/water *** a result,the quick SF protein modification significantly enhanced the stability of ZIF-L coatings under various pHs,while retaining their switchable wetting property and excellent separation performance.

关键词： zeolitic imidazole framework-L(ZIF-L) ZIF-L coatings silk fibroin protein hydrostability enhancement oil/water separation