ULTRAFINE

作品数:383被引量:932H指数:11
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相关领域:化学工程理学更多>>
相关作者:印万忠吕振福周大鹏杨小生李艳军更多>>
相关机构:中南大学华南理工大学东北大学山西大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金天津市自然科学基金更多>>
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Influence of ultrafine cement on cement-soil in peat soil environment of Dianchi Lake
《土木与环境工程学报(中英文)》2025年第2期1-12,共12页CAO Jing SUN Huafeng HUANG Siyang KONG Cheng LIU Fangyi LIU Fuhua TIAN Lin ZHU Weiming 
National Natural Science Foundation of China(No.41967035)。
Treatment of peat soil foundation in Yunnan surrounding Dianchi and Erhai Lakes poses complex problems for engineering projects.It is insufficient to rely on ordinary cement to reinforce peat soil.In order to make the...
关键词:peat soil environment ultrafine cement(UFC) cement-soil strength test MICROSTRUCTURE 
Initial experience with ultrafine choledochoscopy combined with low-dose atropine for the treatment of Oddi intersphincter stones
《World Journal of Gastrointestinal Surgery》2025年第3期307-314,共8页Xiao-Si Hu Yong Wang Hong-Tao Pan Chao Zhu Shuai Zhou Shi-Lei Chen Hui-Chun Liu Qing Pang Hao Jin 
Supported by Health Research Program of Anhui,No.AHWJ2023A30034.
BACKGROUND In recent years,the use of ultrafine choledochoscopy has gradually increased in the treatment of cholelithiasis.However,stone incarceration and residual spasm of the sphincter of Oddi may be inevitable when...
关键词:Ultrafine choledochoscope ATROPINE Oddi intersphincter stone CHOLEDOCHOLITHIASIS 
Synergistic enhancement of ion/electron transport by ultrafine nanoparticles and graphene in Li_(2)FeTiO_(4)/C/G nanofibers for symmetric Li-ion batteries
《Journal of Energy Chemistry》2025年第2期42-51,I0002,共11页Wenjie Ma Yakun Tang Yue Zhang Xiaohui Li Lang Liu Xueting Wang Yuliang Cao 
supported by the National Natural Science Foundation of China(22278347);the Excellent Doctoral Student Research Innovation Project of Xinjiang University of China(XJU2022BS048);the Postgraduate Innovation Project of Xinjiang Uygur Autonomous Region of China(XJ2023G027).
Low-cost Fe-based disordered rock salt(DRX)Li_(2)FeTiO_(4)is capable of providing high capacity(295 mA h g^(-1))by redox activity of cations(Fe^(2+)/Fe^(4+)and Ti^(3+)/Ti^(4+))and anionic oxygen.However,DRX structures...
关键词:Disordered rock salt Li_(2)FeTiO_(4) GRAPHENE 1D structure Rapid ion/electron transport Lithium-ion battery electrode 
A novel approach to enhance decrepitation temperature and reducibility of ultrafine iron ore concentrate pellets
《Journal of Iron and Steel Research International》2024年第11期2622-2632,共11页B.L.Wen Z.H.Fan J.X.Li D.L.Liu J.L.Yang 
support from the National Natural Science Foundation of China(No.U1860113)for providing funding to complete the experiments.
Utilizing ultrafine iron ore concentrate for pellet production can expand domestic iron ore resources in China and promote the utilization of low-grade ores.However,a challenge arises with the low decrepitation temper...
关键词:Ultrafine iron ore concentrate:Straw powder Green pellet quality Decrepitation temperature:Metallurgical property 
Selective flocculation-flotation of ultrafine hematite from clay minerals under asynchronous flocculation regulation
《International Journal of Mining Science and Technology》2024年第11期1563-1574,共12页Fusheng Niu Yuying Chen Jinxia Zhang Fei Liu Ziye Wang 
funded by the National Natural Science Foundation of China(No.52374265);the Central Guided Local Science and Technology Development Funding Program(No.236Z4106G);the Natural Science Foundation of Hebei Province(No.E2022209108);Key Projects of Hebei Provincial Department of Education(No.ZD2022059)。
The clay mineral flocculation encapsulation poses a major technical challenge in the field of fine mineral separation.Enhancing the ability to separate clay minerals from target mineral surfaces is key to addressing t...
关键词:CHLORITE HEMATITE KAOLINITE Ultrafine particles Asynchronous flocculation 
Production of ultrafine iron powder by low-temperature hydrogen reduction: properties change with temperature
《Journal of Iron and Steel Research International》2024年第11期2645-2654,共10页Min Gan En-di Guo Hao-rui Li Yun-can Cao Xiao-hui Fan Zhi-yun Ji Zeng-qing Sun 
support of the National Natural Science Foundation of China(52174330).
Ultrafine iron powder is widely used due to its excellent performance. Hydrogen reduction of fine-grained high-purity iron concentrate to prepare ultrafine iron powder has the advantages of low energy consumption, pol...
关键词:High-purity iron concentrate Hydrogen reduction Ultrafine iron powder Mechanical activation High reaction activity 
Liquid-solid grinding system:Grinding kinetics of coal fly ash as ultrafine supplementary cementitious materials
《Particuology》2024年第11期109-119,共11页Jin Yang Yong Huang Xingyang He Ying Su Tao Huang Bohumír Strnadel 
supports from the National Natural Science Foundation of China(grant Nos.U23A20560,52172017);the Key Research and Development Program of Hubei Province(grant No.2022BCA071);the Wuhan Science and Technology Bureau(grant No.2022020801020269).
Wet-milling in liquid-solid system can achieve ultra-fine mechanical dissociation of solid wastes with low energy consumption,thereby efficiently improving the potential pozzolanic reactivity.However,the wet-milling k...
关键词:Wet-milling Liquid-solid system Grey correlational analysis Fly ash Ultrafine supplementary cementitious MATERIALS 
Enhanced ultrafine multimode fiber imaging based on mode modulation through singular value decomposition
《Photonics Research》2024年第10期2214-2225,共12页NING ZHAN ZHENMING YU LIMING CHENG JINGYUE MA JIAYU DI YUEHENG LAN KUN XU 
National Key Research and Development Program of China(2021YFF0901700);National Natural Science Foundation of China(61821001,62371056);Fundamental Research Funds for the Central Universities(2024ZCJH13)。
The utilization of multimode fibers(MMFs)displays significant potential for advancing the miniaturization of optical endoscopes.However,the imaging quality is constrained by the physical conditions of MMF,which is par...
关键词:SINGULAR VALUE thereby 
Phosphine-Built-In Porous Organic Cage Supported Ultrafine Pd Nanoclusters Enable Highly Efficient and Regioselective Hydrogenation of Epoxides
《CCS Chemistry》2024年第10期2476-2488,共13页Xin Zhou Zhaozhan Wang Zhe-Ning Chen Yong Yang 
the National Natural Science Foundation of China(grant nos.22078350 and 22308368);the Shandong Province Key Research and Development Plan(grant no.2023CXG010607);the Natural Science Foundation of Shandong Province(grant nos.ZR2020KB016 and ZR2022QB026).
Selective hydrogenation of epoxides has been regarded as an atom-economical and straightforward method for the synthesis of alcohols.However,it remains a big challenge in the precise control of regioselectivity.To dat...
关键词:porous organic cage phosphine-built-in palladium nanoclusters regioselective hydrogenation EPOXIDES 
Nano-engineered catalysts for high-performance oxygen reduction reaction
《Chinese Chemical Letters》2024年第10期510-516,共7页Kunsong Hu Yulong Zhang Jiayi Zhu Jinhua Mai Gang Liu Manoj Krishna Sugumar Xinhua Liu Feng Zhan Rui Tan 
the support from Warwick Manufacturing Group at the University of Warwick;CITIC Dameng Mining Industries Limited-Guangxi University Joint Research Institute of Manganese Resources Utilization and Advanced Materials Technology;Guangxi University-CITIC Dameng Mining Industries Limited Joint base of Postgraduate Cultivation;State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures;National Natural Science Foundation of China(Nos.11364003 and 52102470);Guangxi Innovation Driven Development Project(Nos.AA17204100 and AA18118052);the Natural Science Foundation of Guangxi Province(No.2018GXNSFAA138186)。
The efficient energy conversion of fuel cells is greatly constrained by the slow oxygen reduction reac tion(ORR)kinetics,which necessitates the use of highly active metal catalysts such as platinum(Pt).The critical ch...
关键词:Fuel cells Oxygenreductionreaction Structural engineering Microwave method Ultrafine nanoparticles 
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