FILTRATION

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Numerical Validation of A Simple Dynamic Beam Filtration Strategy in Cone Beam CT
《集成技术》2025年第2期71-85,共15页WANG Heran XIE Jixiong ZHU Jiongtao ZHANG Xin TAN Yuhang SU Ting GE Yongshuai 
国家自然科学基金项目(12305349,12235006,12027812);深圳市科技计划项目(JSGGKQTD20210831174329010);广东省基础与应用基础研究基金项目(2021TQ06Y108)。
For cone beam computed tomography(CBCT),there has long been a desire to modulate the intensity and distribution of the X-rays to accommodate the patient’s anatomy as the gantry rotates from one projection to another....
关键词：dynamic filtration radiation dose reduction artifacts reduction cone beam computed tomography 
CLASSIFICATION OF SELF-SIMILAR SOLUTIONS OF THE DEGENERATE POLYTROPIC FILTRATION EQUATIONS
《Acta Mathematica Scientia》2025年第2期615-635,共21页Zhipeng LIU Shanming JI 
supported by the NSFC(12271178,12171166);the Guangzhou Basic and Applied Basic Research Foundation(2024A04J2022);the TCL Young Scholar(2024-2027).
In this paper,we study the self-similar solutions of the degenerate diffusion equation ut-div(|▽u^(m)|^(p-2)▽u^(m))=0 of polytropic filtration diffusion in R^(N)×(0,±∞)or(R^(N)/{0})×(0,±∞)with N≥1,m>0,p>1,suc...
关键词：self-similar solutions polytropic filtration equation degenerate diffusion equation doubly nonlinear diffusion 
Self-charging and long-term face masks leveraging low-cost,biodegradable and sustainable piezoelectric nanofiber membrane
《Nano Materials Science》2025年第1期113-122,共10页Zhenqi Wang Zhuomin Zhang Zehua Peng Xiaodan Yang Xuemu Li Yao Shan Bingren Liu Xiaote Xu Yongsheng Gao Zhengbao Yang 
supported by General Research Grants (GRF Project No. 11212021 and No. 11210822) from the Research Grants Council of the Hong Kong Special Administrative Region;the Innovation and Technology Fund (Project No. ITS/065/20;GHP/096/19SZ) from Innovation and Technology Commission of Hong Kong Special Administrative Region
The mass discarding face masks has caused severe environmental problems during and after the COVID-19 pandemic.To reduce waste and minimize environmental impact,we present a new face mask featuring selfcharging extend...
关键词：PIEZOELECTRIC Amino acid MICROFIBER FILTRATION COVID ELECTROSPINNING Environment Health 
Recent study on hydrophilization of polyvinylidene fluoride membrane for oily-wastewater treatment
《Chinese Journal of Chemical Engineering》2024年第12期157-186,共30页Nita Aryanti Aininu Nafiunisa Tutuk Djoko Kusworo 
supported by the World Class research Undip(WCRU)Program(Category A)from Diponegoro University(118-30/UN7.6.1/PP/2021).
Polyvinylidene fluoride(PVDF)polymer-based membranes are extensively used in wastewater treatment,yet their partially hydrophobic nature poses significant challenges.Numerous studies have focused on creating super-wet...
关键词：Membranes FILTRATION Water affinity Emulsion separation FOULING 
Influence of Rayleigh-Taylor Instability on Impurity Dynamics during Column Back-Flushing Filtration
《Fluid Dynamics & Materials Processing》2024年第12期2709-2720,共12页Yanina N.Parshakova Andrey Ivantsov 
supported by a grant from the Russian Science Foundation(Project No.20-11-20125).
During the manufacturing or processing of materials,large volumes of water of the required quality are often needed.Industrial water treatment and water purification is the process of removing impurities and pollution...
关键词：Filtration column binary mixture Rayleigh-Taylor instability Brinkman model 
Demulsification with simultaneous water purification by coupling filtration and enhanced oil droplet coalescence at anode interface in an electrochemical reactor
《Journal of Environmental Sciences》2024年第12期118-126,共9页Xi Li Gong Zhang Chengzhi Hu Huachun Lan Huijuan Liu 
supported by the National Natural Science Foundation of China(Nos.22022606 and 52221004).
With the increasing demand of recycling disposal of industrial wastewater,oil-in-water(O/W)emulsion has been paid much attention in recent years owing to its high oil con-tent.However,due to the presence of surfactant...
关键词：Flow-through electrode Enhanced oil droplet coalescence DEMULSIFICATION Oil/water emulsion separation 
Numerical study on the filtration characteristics of fine particles in granular bed filter at high temperature
《Particuology》2024年第10期41-53,共13页Kangning Zhu Jie Cai Yuan Li Xiaoyou Shen Jianfei Xi Yunjun Wang Zhongzhu Gu 
support provided by the National Natural Science Foundation of China(grant No.51878356).
Granular bed filter(GBF)has become one of the current research hot topics due to its excellent performance in removing fine particles.In this paper,a three-dimensional fixed bed GBF filtration model was established an...
关键词：Granular bed filter Fine particles High temperature Filtration efficiency 
Natural rubber latex as a potential additive for water-based drilling fluids
《Petroleum Science》2024年第4期2677-2687,共11页Jun Yang Guan-Cheng Jiang Jing-Tian Yi Yin-Bo He Li-Li Yang Teng-Fei Dong Guo-Shuai Wang 
supported by the National Natural Science Foundation of China (Grant No.51991361 and Grant No.51874329)。
The environmental hazards and"carbon footprint"of oil and gas drilling can be significantly reduced by replacing traditional petroleum-based chemical additives with natural materials derived from plants and animals.Th...
关键词：Natural materials Water-based drilling fluids Natural rubber latex Bentonite suspensions Filtration loss 
Dynamic membrane filtration accelerates electroactive biofilms in bioelectrochemical systems
《Environmental Science and Ecotechnology》2024年第4期208-217,共10页Jinning Wang Mei Chen Jiayao Zhang Xinyi Sun Nan Li Xin Wang 
financially supported by the National Natural Science Foundation of China(52200059 and 22036004);“the Fundamental Research Funds for the Central Universities,”Nankai University(Grant 63231127).
Bioelectrochemical systems(BES)have emerged as a dual-function technology for treating wastewater and recovering energy.A vital element of BES is the rapid formation and maintenance of electroactive biofilms(EABs).Pre...
关键词：Electroactive biofilm Membrane filtration Spatial structure Mass transfer Microbial community 
Changes in filtration and capacitance properties of highly porous reservoir in underground gas storage:CT-based and geomechanical modeling
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第8期2982-2995,共14页Valerii Khimulia Vladimir Karev Yury Kovalenko Svyatoslav Barkov 
supported by the Russian Science Foundation(Grant No.22-11-00273).
The paper presents the results of comprehensive studies of filtration and capacitance properties of highly porous reservoir rocks of the aquifer of an underground gas storage facility.The geomechanical part of the res...
关键词：Permeability anisotropy Reservoir porosity Rocks computed tomography(CT) Digital core analysis Filtration flow numerical modeling 
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