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第二届中国西部睡眠医学大会

作者： Qiaoling Yao huy pho Jason Kirkness Ellen E.Ladenheim Sheng Bi Timothy H.Moran David D.Fuller Paul J.Reiter David C.Bloom Alan R.Schwartz Vsevolod Y.Polotsky

Objectives Obesity hypoventilation syndrome and obstructive sleep apnea are common complications of obesity linked to defects in respiratory pump and upper airway neural *** deficient ob/ob mice have impaired hypercapnic ventilatory response and inspiratory flow limitation during sleep,which are both reversed with *** study is to localize CNS site（s） of leptin action on respiratory and upper airway neuro-ventilatory *** We localized the effect of leptin to medulla *** by administering intracerbroventricular leptin（10μg/2ul）vs vehicle to the lateral（n=14）vs fourth ventricle（n=11）of ob/ob mice followed by a 6 h polysomnographic *** were stratified for effects on respiratory（non-flow limited breaths） and upper airway（inspiratory flow limitation） *** loci were identified by（a） leptin-induced STAT3 phosphorylation and（b）projections of respiratory and upper airway motoneurons with a retrograde tracer pseudorabies *** Both routes of leptin administration increased minute ventilation during non-flow limited breathing in *** motoneurons projected to the nucleus of the solitary tract,which showed STAT3 phosphorylation,but not to the *** flow limitation and obstructive hypopneas were attenuated by leptin administration to the lateral,but not to the fourth cerebral *** airway motoneurons projected to the dorsomedial hypothalamus,which exhibited STAT3 *** Leptin relieves upper airway obstruction in sleep apnea by activating the forebrain,possibly in the dorsomedial *** contrast,leptin up-regulates ventilatory control through hindbrain sites of action,possibly in the nucleus of the solitary tract.

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Tailoring S-scheme-based carbon nanotubes(CNTs)mediated Ag-CuBi_(2)O_(4)/Bi_(2)S_(3)nanomaterials for photocatalytic dyes degradation in the aqueous system

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Journal of Materials Science & Technology 2023年第31期162卷 11-24页

作者： Vishal Dutta Anita Sudhaik Sonu Pankaj Raizada Archana Singh Tansir Ahamad Sourbh Thakur Quyet Van Le Van-huy Nguyen Pardeep Singh School of Advanced Chemical Sciences Shoolini UniversitySolanHimachal Pradesh173212India Department of Chemistry University Centre for Research and DevelopmentChandigarh UniversityGharuanMohaliPunjabIndia Advanced Materials and Processes Research Institute Hoshangabad RoadBhopal462026MPIndia Department of Chemistry College of ScienceKing Saud UniversityRiyadhSaudi Arabia Department of Organic Chemistry Bioorganic Chemistry and BiotechnologySilesian University of TechnologyB.Krzywoustego 444-100 GliwicePoland Department of Materials Science and Engineering Institute of Green Manufacturing TechnologyKorea University145Anam-ro Seongbuk-guSeoul02841Republic of Korea Faculty of Allied Health Sciences Chettinad Hospital and Research InstituteChettinad Academy of Research and EducationKelambakkam603103Tamil NaduIndia

In this study,S-scheme-based hydrothermal synthesis of Ag-CuBi_(2)O_(4)/CNTs/Bi_(2)S_(3)layered composites has been successfully *** photo-degradation of toxic dyes,*** orange(MO),and methylene blue(MB),has been used to examine nanocomposites with varying weight percent of Bi_(2)S_(3)for photocat-alytic activity in the visible *** candidates,Ag-CuBi_(2)O_(4)/CNTs/Bi_(2)S_(3)with a 10%loading of Bi_(2)S_(3)outperformed both pure and hybrid composites in photocatalytic *** MO degradation,the hybrid composite with 10%Bi_(2)S_(3)loading degrades 7.04 times higher than pristine CuBi_(2)O_(4)and Bi_(2)S_(3)samples,and for MB degradation,it degrades 4.96 times higher than pristine *** surface area,less re-combination rate of photogenerated charge carriers,photogenerated carriers faster separation,and high redox ability of Ag-CuBi_(2)O_(4)/CNTs/Bi_(2)S_(3)(10%)are all attributed to the improving photocatalytic *** after ten cycles,the hybrid composite is chemically stable and *** nanotubes(CNTs)are a transfer bridge in layered structure for electrons because of their coordinated Fermi level between Ag-CuBi_(2)O_(4)and Bi_(2)S_(3).In addition,the scavenger and electron spin resonance(ESR)experiments verified that·O_(2)^(−),·OH,and h+were the important reactive species that successfully facilitated the pho-tocatalytic degradation process to degrade *** study presents a straightforward and economical approach for obtaining a stable semiconductor-based photocatalytic system and a potential technique for future applications.

关键词： Ag-CuBi_(2)O_(4) Bi_(2)S_(3) Carbon nanotubes(CNTs) S-scheme charge transfer Dye degradation

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Research and Design of Inverter Applied in Solar PV Systems Connected to Distribution Grid

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Journal of Electrical Engineering 2019年第1期7卷 28-38页

作者： Nguyen Duc Minh Trinh Trong Chuong Bui Van huy Quach Duc Cuong Bui Dinh Thanh Institute of Energy Science Vietnam Academy of Science and Technology18 Hoang Quoc Viet streetCau Giay districtHanoi 10072Vietnam Hanoi University of Industry No. 298Cau Dien streetBac Tu Liem districtHanoi 11915Vietnam Hanoi University of Mining and Geology No.18Pho VienDuc Thang wardBac Tu Liem districtHanoi 11910Vietnam

This paper presents the results of research on the application of inverter in the grid connected solar photovoltaics (PV) system. The main content of the article is to control the three-phase grid connected inverter to meet the requirement of controlling the reactive power to zero at a node of the distribution network while maximizing the active power transmitted to the grid. The control circuits are synthesized on the dq coordinate system and verified on the simulation model by Matlab/Simulink. Both simulation and experimental prototype on 5 kW inverter, being connected to low voltage grid, have been built to show the good results and the practical readiness for implementation.

关键词： SVPWM reactive power solar PV grid connected inverter

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