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Carbon Energy 2024年第8期6卷 122-133页

作者： Jian‐Zhao Peng yin‐long li Yao‐Ti Cheng Fu‐Zhi li Bo Cao Qing Wang Xian Yue Guo‐Tao Lai Yang‐Gang Wang Jun Gu Department of Chemistry Southern University of Science and TechnologyShenzhenGuangdongChina Institute for Catalysis Hokkaido UniversitySapporoJapan

Metal–N–C single‐atom catalysts,mostly prepared from pyrolysis of metalorganic precursors,are widely used in heterogeneous *** metal sites with diverse local structures coexist in this type of material and it is challenging to characterize the local structure,a reliable structure–property relationship is difficult to *** macrocyclic complexes adsorbed on carbon support are well‐defined models to mimic the singleatom ***–N_(4)site with four electroneutral pyridine‐type ligands embedded in a graphene layer is the most commonly proposed structure of the active site of single‐atom catalysts,but its molecular counterpart has not been *** this work,we synthesized the conjugated macrocyclic complexes with a metal center(Co,Fe,or Ni)coordinated with four electroneutral pyridinic ligands as model catalysts for CO_(2)*** comparison,the complexes with anionic quadri‐pyridine macrocyclic ligand were also *** Co complex with the electroneutral ligand expressed a turnover frequency of CO formation more than an order of magnitude higher than that of the Co complex with the anionic *** ab initio molecular dynamics simulations based on the well‐defined structures of the model catalysts indicate that the Co complex with the electroneutral ligand possesses a stronger ability to mediate electron transfer from carbon to CO_(2).

关键词： ab initio molecular dynamics CO_(2)reduction electrocatalysis model catalyst single‐atom catalyst

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中国针灸学会:贡献中国智慧,引领针灸发展

World Journal of Acupuncture-Moxibustion 2024年第2期34卷 176-178页

作者：吴远李印泷李述东中国针灸学会北京100700

*** and today Acupuncture and moxibustion is an important component of traditional Chinese *** to statistics from the World Health Organization(WHO),113 WHO Member States have endorsed the application of acupuncture and *** and moxibustion has been the most widely used intervention of traditional and alternative medicine globally;thereby playing a pivotal role in enhancing the health of people ***,being the birthplace of acupuncture and moxibustion,as well as the country with the highest investment and output in acupuncture scientific *** science and technology societies of acupuncture and moxibustion in China inherit the theory and practice of acupuncture and moxibustion,assemble the relevant findings from scientific researches,communicate and promote the practical technology,boost the understanding,exchange,and cooperation on acupuncture and moxibustion around the researchers around the world,serving the course of health for *** the earliest member,China Association of Acupuncture and Moxibustion(CAAM)plays a crucial role among science and technology societies of acupuncture and moxibustion in China.

关键词：中国针灸学会 moxibustion acupuncture

Antigens synthesis and antibodies preparation for furazolidone and its metabolite 3-amino-2-oxazolidinone

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Chinese Chemical Letters 2010年第9期21卷 1049-1052页

作者： Hua Ping Zhu Ting Ting liu Bing liu Hui ling yin Xiao long li li Wang Shuo Wang Key Laboratory of Food Nutrition and Safety (Tianjin University of Science & Technology) Ministry of Education Tianjin 300457 China

Two haptens of 3-[（5-amino-furan-2-ylmethylene）amino]oxazolidin-5-one（FZ-NH_2） and 3-{[（4-carboxyphenyl）methylene]-amino} -2-oxazolidinone（CPAOZ） were *** FZ-NH2,immunogens were prepared by glutaraldehyde and diazo salt *** CPAOZ,immunogens were connected by the methods of the active ester and mixed acid *** with the combination,indirect competitive enzyme-linked immunosorbent assay（ic-EliSA） was developed with coating antigen of FZ-NH2 -OVA via the glutaraldehyde method and immunogen of CPAOZ-KLH via active ester *** furazolidone and its metabolite AOZ（NPAOZ as derivative）,the sensitivities（IC50） were 2.0μg/L and 2.5μg/L,limits of detection（IC15） were 0.09μg/L and 0.25μg/L,respectively.A sensitive method was developed for the simultaneous determination of furazolidone in feed and its metabolite AOZ in tissue.

关键词： Furzolidone AOZ Antigen Antibody EliSA

Influence of O_2/Ar ratio on the properties of transparent conductive niobium-doped ZnO films

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Chinese Science Bulletin 2009年第13期54卷 2217-2220页

作者： CAO Feng WANG YiDing liU KuiXue yin JingZhi long BeiHong li li ZHANG Yu CHEN XiaMei State Key Laboratory of Integrated Optoelectronics College of Electronic Science and Engineering Jilin University Changchun130012 China

Niobium-doped ZnO transparent conductive films are deposited on glass substrates by radio frequency sputtering at 300℃.The influence of O2/Ar ratio on the structural,electrical and optical properties of the as-deposited films is investigated by X-ray diffraction,Hall measurement and optical transmission *** lowest resistivity of 4.0×10-4Ω·cm is obtained from the film deposited at the O2/Ar ratio of 1/*** average optical transmittance of the films is over 90%.

关键词： ZnO薄膜透明导电光学性能铌掺杂 Hall测量射频溅射玻璃基板薄膜沉积

SEI/dead li-turning capacity loss for high-performance anode-free solid-state lithium batteries

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Journal of Energy Chemistry 2024年第9期96卷 145-152页

作者： Qianwen yin Tianyu li Hongzhang Zhang Guiming Zhong Xiaofei Yang Xianfeng li Division of Energy Storage Dalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of long-Duration and Large-Scale Energy Storage Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina Laboratory of Advanced Spectro-Electrochemistry and lithium-Ion Batteries Dalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina

Anode-free solid-state lithium metal batteries(AF-SSLBs)have the potential to deliver higher energy density and improved safety beyond lithium-metal ***,the unclear mechanism for the fast capacity decay in AF-SSLBs,either determined by dead li or solid electrolyte interface(SEI),limits the proposal of effective strategies to prolong cycling *** clarify the underlying mechanism,herein,the evolution of SEI and dead li is quantitatively analyzed by a solid-state nuclear magnetic resonance(ss-NMR)technology in a typical liPF6-based polymer *** results show that the initial capacity loss is attributed to the formation of SEI,while the dead li dominates the following capacity loss and the growth rate is 0.141 mA h cm^(−2)cycle−*** reduce the active li loss,the combination of inorganic-rich SEI and self-healing electrostatic shield effect is proposed to improve the reversibility of li deposition/dissolution behavior,which reduces the capacity loss rate for the initial SEI and following dead li generation by 2.3 and 20.1 folds,*** a result,the initial Coulombic efficiency(ICE)and stable CE increase by 15.1%and 15.3%in li-Cu cells,which guides the rational design of high-performance AF-SSLBs.

关键词： Solid-state lithium batteries Solid-state NMR Anode-free SEI Dead li

Trade-off analyses between food provision and soil conservation service of Grain for Green Program in Mountainous Area

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International Soil and Water Conservation Research 2024年第1期12卷 43-53页

作者： Yawen li Yuxiang li Xingwu Duan Zhongyin Cai Ya li Baiyun He long yin Institute of International River and Eco-security Yunnan UniversityKunming650091PR China Yunnan Key Laboratory of International Rivers and Trans-boundary Eco-security Kunming650091PR China State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing100085PR China University of Chinese Academy of Sciences Beijing100049PR China

The Grain for Green Program and soil and water conservation engineering initiatives are crucial for controlling erosion in steep-slope ***,it is still unclear how these two management methods should be carried out in respect to the situation in mountainous ***,taking a typical mountainous area in southwest China as an example,we simulated six scenarios in order to compare the food provisioning service(FPS)and soil conservation service of the Grain for Green Program(converting to grassland)and Construction Measures(converting to sloping terrace)under different *** showed that when farmland with a>25°slope was converted into grassland,the amount of soil erosion(M)decreased by 21.0%,while FPS decreased by only 0.7%.However,when farmland with a>25°slope was converted into sloping terrace,M decreased by 31.3%while FPS increased by 18.7%.With the increases of farmland slope ranges in the Construction Measures scenario,M gradually decreased and FPS gradually *** when farmland>15°was converted into sloping terrace,M decreased by 63.9%and FPS increased by 52.7%.Furthermore,the trade-offs of Construction Measures are lower than that of Grain for Green on different slope ***,we conclude that Construction Measures are a more suitable method in mountainous areas than the Grain for Green,and we suggest that further research be conducted to consider the ecological risks of construction engineering measures.

关键词： Soil erosion Grain for green Construction measures Mountainous areas

Immediate implantation of ultrafine fiber slow-release system based on cell electrospinning to induce osteogenesis of mesenchymal stem cells

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Regenerative Biomaterials 2024年第2期3卷 76-87页

作者： Tao Lu long Yang Zhuoyang li yin liu Shun'en Xu Chuan Ye Department of Orthopaedics The Affliated Hospital of Guizhou Medical UniversityGuiyang 550004China Department of Orthopaedics The First People's Hospital of GuiyangGuiyang 550004China Center for Tissue Engineering and Stem Cell Research Guizhou Medical UniversityGuiyang 550004China Department of Otolaryngology Head and Neck Surgery Xinqiao HospitalArmy Medical University(Third Military Medical University)Chongqing 400037China Department of Dental implant Stomatological Hospital of GuiyangGuiyang 550000China

This study presents the development and evaluation of a poly(3-hydroxybutyrate-co-4-hydroxybutyrate)(P34HB)ultrafine fiber slow-release system for in vivo osteogenic induction of human umbilical cord mesenchymal stem cells(HUCMSCs).Utilizing dual-nozzle and cell electrospinning techniques,the system encapsulates L-ascorbic acid-2-phosphate magnesium(AsP),βB-glycerophosphate sodium and dexamethasone(DEX)within the'fbers,ensuring sustained osteogenic *** scaffold's morphology,characterization,hydrophilicity,mechanical properties and cellular behavior were *** subcutaneous implantation in rabbits was con-ducted to observe its ectopic osteogenic induction *** fabricated P34HB ultrafine fiber slow-release *** ization *** distribution of HUCMSCs and inducing components within the scaffold,with no chemical reactions affecting the active *** vitro tests showcased a prolonged release of DEX and ASP,while biocompatibility assays highlighted the scaffold's suitability for cellular *** Red,type I collagen,and osteopontin(OPN)staining verifed the scaffold's potent osteogenic induction effect on ***,immediate implantation into New Zealand White rabbits led to significant new bone formation within 8 *** findings underscore the system's potential for immediate in vivo implantation without prior in vitro induction,marking a promising advancement in bone tissue engineering.

关键词： bone tissue engineering cell electrospinning in vivo induction immediate implantation biomaterials

Numerical study on influence of protrusion heights on Reynolds stress and viscous stress variations in turbulent vortical structures

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Chinese Journal of Aeronautics 2024年第9期37卷 59-71页

作者： Zhiping li long HE Jingsai ZHOU Yueren ZUO Yao yin Peng ZHANG Bo MENG Research Institute of Aero-Engine Beihang UniversityBeijing 100191China School of Energy and Power Engineering Beihang UniversityBejing 100191China Institute of Acoustics Chinese Academy of SciencesBeijing 100190China College of Aeronautical Engineering Civil Aviation University of ChinaTianjin 300300China AECC Hunan Aviation Powerplant Research Institute Zhuzhou 412002China

Analysing the infuence mechanism of the riblet protrusion height on turbulent drag components is more beneficial in organising the vortical structure over the riblet ***,the Large Eddy Simulation(LES)is used to investigate the vortex structure over the rib-let surface with different protrusion ***,the variations of Reynolds stress and viscous shear stress in a turbulent channel are *** a result,the drag reduction rate increases from 3.4%when the riblets are completely submerged in the turbulent boundary layer to 7.9%when the protrusion height is *** analysis shows that the protrusion height affects the streamwise vortices and the normal diffusivity of spanwise and normal vortices,thus driving the variation of Reynolds *** with the smooth surface,the vorticity strength and the number of streamwise vortices are weakened near the wall but increase in the logarithmic layer with increased protrusion ***,the normal diffusivity of spanwise vorticity decreases with the increase of protrusion height,and the normal diffusivity of normal vorticity is the smallest when the protrusion height is ***,the protrusion height affects the velocity gradient of the riblet tip and riblet valley,thus driving the variation of viscous shear *** the increase of protrusion height,the velocity gradient of the riblet tip increases dramatically but decreases in the riblet valley.

关键词： Riblet Dragreduction Protrusion height Vortical structure Vortexdiffusivity Reynolds stress Viscous stress

Boost the Utilization of Dense FeN_(4) Sites for High-Performance Proton Exchange Membrane Fuel Cells

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Energy & Environmental Materials 2024年第3期7卷 398-405页

作者： Yanrong li Shuhu yin long Chen Xiaoyang Cheng Chongtai Wang Yanxia Jiang Shigang Sun State Key Laboratory of Physical Chemistry of Solid Surfaces Engineering Research Center of Electrochemical Technologies of Ministry of EducationCollege of Chemistry and Chemical Engineering and Discipline of Intelligent Instrument and EquipmentXiamen UniversityXiamen 361005China College of Chemistry and Chemical Engineering Key Laboratory of Electrochemical Energy Storage and Energy Conversion of Hainan ProvinceHainan Normal UniversityHaikou 571158China

Iron-nitrogen-carbon(Fe-N-C)catalysts for the oxygen reduction reaction(ORR)in proton exchange membrane fuel cells(PEMFCs)have seriously been hindered by their poor ORR performance of Fe-N-C due to the low active site density(SD)and site ***,we reported a melamine-assisted vapor deposition approach to overcome these *** melamine not only compensates for the loss of nitrogen caused by high-temperature pyrolysis but also effectively etches the carbon substrate,increasing the external surface area and mesoporous porosity of the carbon *** can provide more useful area for subsequent vapor deposition on active *** prepared 0.20Mela-FeNC catalyst shows a fourfold higher SD value and site utilization than the FeNC without the treatment of *** a result,0.20Mela-FeNC catalyst exhibits a high ORR activity with a half-wave potential(E_(1/2))of 0.861 V and 12-fold higher ORR mass activity than the FeNC in acidic *** the cathode in a H_(2)-O_(2)PEMFCs,0.20Mela-FeNC catalyst demonstrates a high peak power density of 1.30 W cm^(-2),outstripping most of the reported Fe-N-C *** developed melamine-assisted vapor deposition approach for boosting the SD and utilization of Fe-N-C catalysts offers a new insight into high-performance ORR electrocatalysts.

关键词： fuel cells melamine oxygen reduction reaction site density utilization

Treatment of pulmonary fibrosis in one convalescent patient with corona virus disease 2019 by oral traditional Chinese medicine decoction:A case report

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Journal of Integrative Medicine 2021年第2期19卷 185-190页

作者： Na Zhi Qian Mo Shuo Yang Yuan-xing Qin Hao Chen Zeng-guang Wu Cai-hong Lan Jun Zhang yin-long li Guizhou University of Traditional Chinese Medicine Guiyang 550002Guizhou ProvinceChina The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine Guiyang 550001Guizhou ProvinceChina China Academy of Chinese Medical Sciences Beijing 100700China

After one-month of oral treatment with traditional Chinese medicine decoction,without using other drugs,the lung inflammatory exudate,pulmonary fibrosis and quality of life of a 61-year-old female patient with corona virus disease 2019(COVID-19)were significantly *** recurrence or deterioration of the patient’s condition was found within seven weeks of treatment and follow-up,and no adverse events occurred,indicating that oral Chinese medicine decoction was able to improve the pulmonary inflammation and fibrosis in a patient recovering from COVID-19,but further research is still needed.

关键词： Corona virus disease 2019 Traditional Chinese medicine Inflammation Exudation Pulmonary fibrosis