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Higher ambient temperatures may worsen obstructive sleep apnea:A nationwide smartwatch-based analysis of 6.2 million person-days

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Science Bulletin 2024年第13期69卷 2114-2121页

作者： Anni Li Qingli Zhang Yuan Yao Xinlei Zhu Cong Liu Yutao Guo Haidong Kan renjie chen School of Public Health Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology AssessmentFudan UniversityShanghai 200032China Ministry of Education-Shanghai Key Laboratory of Children’s Environmental Health Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China Department of Pulmonary Vessel and Thrombotic Disease Sixth Medical CenterChinese PLA General HospitalBeijing 100048China Institute for Hospital Management Research Chinese PLA General HospitalBeijing 100048China Children’s Hospital of Fudan University National Children’s Medical CenterShanghai 201102China School of Public Health Hengyang Medical SchoolUniversity of South ChinaHengyang 421001China

Obstructive sleep apnea(OSA)is a serious type of sleep disorder that can lead to cardiometabolic and neurocognitive *** utilized smart device-based photoplethysmography technology to collect sleep data from the Chinese population from 2019 to *** lag nonlinear models combined with a generalized nonlinear model or a linear mixed effects model were used to investigate the shortterm associations between daily temperature and indicators of OSA *** included a total of 6,232,056 d of sleep monitoring data from 51,842 participants with moderate to severe risk of OSA from 313 Chinese *** relationships between ambient temperature and OSA exacerbation,apneahypopnea index(AHI),and minimum oxygen saturation(MinSpO_(2))were almost linear and present only on the same *** temperatures were associated with a greater risk of OSA exacerbation,with an 8.4%(95%confidence interval(CI):7.6%–9.3%)increase per 10℃increase in temperature.A 10℃increase in daily temperature corresponded to an AHI increase of 0.70 events/h(95%CI:0.65–0.76)and a MinSpO_(2)decrease of 0.18%(95%CI:0.16%–0.19%).Exposure to elevated temperatures during the night can also lead to adverse *** effects of higher temperatures on OSA severity were stronger among men,participants with a body mass index24 kg/m2,those aged 45 years and older,individuals with a history of hypertension and diabetes,and during the cold *** large-scale,nationwide,longitudinal study provides robust evidence suggesting that higher ambient temperatures may immediately worsen OSA.

关键词： Obstructive sleep apnea Temperature Apnea-hypopnea index Oxygen saturation Smart device

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Insight into the capacity degradation and structural evolution of single-crystal Ni-rich cathodes

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Journal of Energy Chemistry 2024年第8期95卷 68-76,I0003页

作者： Xiaodong Zhang Jiao Lin Ersha Fan Qingrong Huang Su Ma renjie chen Feng Wu Li Li Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081China Advanced Technology Research Institute Beijing Institute of TechnologyJinan 250300ShandongChina Collaborative Innovation Center of Electric Vehicles in Beijing Beijing 100081China

Single-crystal Ni-rich cathodes are a promising candidate for high-energy lithium-ion batteries due to their higher structural and cycling stability than polycrystalline ***,the phase evolution and capacity degradation of these single-crystal cathodes during continuous lithation/delithation cycling remains *** the mapping relationship between the macroscopic electrochemical properties and the material physicochemical properties is ***,we investigate the correlation between the physical-chemical characteristics,phase transition,and capacity decay using capacity differential curve feature identification and in-situ X-ray spectroscopic *** systematically clarify the dominant mechanism of phase evolution in aging *** high cut-off voltages can mitigate the slow kinetic and electrochemical properties of single-crystal *** also find that second-order differential capacity discharge characteristic curves can be used to identify the crystal structure disorder of Ni-rich *** findings constitute a step forward in elucidating the correlation between the electrochemical extrinsic properties and the physicochemical intrinsic properties and provide new perspectives for failure analysis of layered electrode materials.

关键词： Single-crystal cathodes Capacity decay Phase transition Differential capacity analysis

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Amphipathic Phenylalanine-Induced Nucleophilic-Hydrophobic Interface Toward Highly Reversible Zn Anode

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Nano-Micro Letters 2024年第9期16卷 95-109页

作者： Anbin Zhou Huirong Wang Fengling Zhang Xin Hu Zhihang Song Yi chen Yongxin Huang Yanhua Cui Yixiu Cui Li Li Feng Wu renjie chen Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijing 100081People’s Republic of China Advanced Technology Research Institute Beijing Institute of TechnologyJinan 250300People’s Republic of China Collaborative Innovation Center of Electric Vehicles in Beijing Beijing 100081People’s Republic of China Institute of Electronic Engineering China Academy of Engineering PhysicsMianyang 621900People’s Republic of China

Aqueous Zn^(2+)-ion batteries(AZIBs),recognized for their high security,reliability,and cost efficiency,have garnered considerable ***,the prevalent issues of dendrite growth and parasitic reactions at the Zn electrode interface significantly impede their practical *** this study,we introduced a ubiquitous biomolecule of phenylalanine(Phe)into the electrolyte as a multifunctional additive to improve the reversibility of the Zn *** its exceptional nucleophilic characteristics,Phe molecules tend to coordinate with Zn^(2+)ions for optimizing the solvation ***,the distinctive lipophilicity of aromatic amino acids empowers Phe with a higher adsorption energy,enabling the construction of a multifunctional protective *** hydrophobic benzene ring ligands act as cleaners for repelling H_(2)O molecules,while the hydrophilic hydroxyl and carboxyl groups attract Zn^(2+)ions for homogenizing Zn^(2+)***,the preferential reduction of Phe molecules prior to H_(2)O facilitates the in situ formation of an organic-inorganic hybrid solid electrolyte interphase,enhancing the interfacial stability of the Zn ***,Zn||Zn cells display improved reversibility,achieving an extended cycle life of 5250 ***,Zn||LMO full cells exhibit enhanced cyclability of retaining 77.3%capacity after 300 cycles,demonstrating substantial potential in advancing the commercialization of AZIBs.

关键词： Zn anode Phenylalanine Adsorption energy Solvation sheath

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Three-dimensional electrically conductive–hydrophobic layer for stable Zn metal anodes

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SusMat 2024年第3期4卷 164-174页

作者： Yang Mei Jiahui Zhou Botao Zhang Li Li Feng Wu Yongxin Huang renjie chen Beijing Key Laboratory of Environmental Science and Engineering School of Material Science&EngineeringBeijing Institute of TechnologyBeijingChina Advanced Technology Research Institute(Jinan) Beijing Institute of TechnologyJinanChina Collaborative Innovation Center of Electric Vehicles Beijing Institute of TechnologyBeijingChina

The interrelated side reactions and dendrites growth severely destabilize the electrode/electrolyte interfaces,resulting in the difficult application of aqueous Zn ion batteries(AZIBs).Hydrophobic protective layer possesses natural inhibition ability for side ***,the conventional protective layer with plane structure is difficult to attain joint regulation of side reaction and Zn ***,a novel three-dimensional(3D)electrically conductive and hydrophobic(3DECH)interface is elaborated to enable stable Zn *** as-prepared 3DECHinterface presents a uniform 3Dmorphologywith hydrophobic property,large specific surface area,abundant zincophilic sites,and excellent ***,the 3DECH interface achieves uniform nucleation and dendrite-free deposition from synergetic benefits:(1)increased nucleation sites and reduced local current density through the special 3D structure and(2)uniform electric potential distribution and rapid Zn^(2+)transport due to the electroconductive alloy chemistry,thus coupling the hydrophobic property to obtain a highly reversible Zn ***,the modified anode achieves a superior coulombic efficiency of 99.88%over 3500 cycles,and the pouch cells using modified anode and LiMn_(2)O_(4)(LMO)cathode retain a capacity of 84 mAh g^(−1)after 700 cycles at a reasonable depth discharge of 36%,without dendrite piercing and“dead Zn.”

关键词： electroconductive layer flat deposition hydrophobic layer three-dimensional surface zincmetal anode

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Water-facilitated targeted repair of degraded cathodes for sustainable lithium-ion batteries

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SusMat 2024年第2期4卷 28-40页

作者： Jiao Lin Xiaodong Zhang Zhujie Li Ersha Fan Xiaowei Lv renjie chen Feng Wu Li Li Beijing Key Laboratory of Environmental Science and Engineering School of Materials Science and EngineeringBeijing Institute of TechnologyBeijingChina Collaborative Innovation Center of Electric Vehicles in Beijing No.5 South Zhongguancun StreetBeijingChina Advanced Technology Research Institute Beijing Institute of TechnologyJinanChina

Directly repairing end-of-life lithium-ion battery cathodes poses significant chal-lenges due to the diverse compositions of the ***,we propose a water-facilitated targeted repair strategy applicable to various end-of-life batches and *** process involves initiating structural repair and reconstruct-ing particle morphology in degraded LiMn_(2)O_(4)(LMO)through an additional thermal drive post-ambient water remanganization,achieving elemental *** to solid-phase repair,the resulting LMO material exhibits superior electrochemical and kinetic *** theoretical analysis highlights the impact of Mn defects on the structural stability and electron transfer rate of degraded *** propensity of Mn ions to diffuse within the Mn layer,specifically occupying the Mn 16d site instead of the Li 8a site,theoretically sup-ports the feasibility of ambient water ***,this method proves effective in the relithiation of degraded layered cathode materials,yielding single *** combining low energy consumption,environmental friendli-ness,and recyclability,our study proposes a sustainable approach to utilizing spent *** strategy holds the potential to enable the industrial direct repair of deteriorated cathode materials.

关键词： direct repair lithium-ion batteries water-facilitated

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Association between exposure to a mixture of organochlorine pesticides and hyperuricemia in ***:A comparison of four statistical models

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Eco-Environment & Health 2024年第2期3卷 192-201页

作者： Yu Wen Yibaina Wang renjie chen Yi Guo Jialu Pu Jianwen Li Huixun Jia Zhenyu Wu School of Public Health Key Laboratory of Public Health Safety and Collaborative Innovation Center of Social Risks Governance in HealthFudan UniversityShanghai 200032China China National Center for Food Safety Risk Assessment Beijing 100022China National Clinical Research Center for Ophthalmic Diseases Department of OphthalmologyShanghai General HospitalShanghai Jiao Tong UniversitySchool of MedicineShanghai Key Laboratory of Fundus DiseasesShanghai 200080China

The association between the exposure of organochlorine pesticides(OCPs)and serum uric acid(UA)levels remained *** this study,to investigate the combined effects of OCP mixtures on hyperuricemia,we analyzed serum OCPs and UA levels in adults from the National Health and Nutrition Examination Survey(2005–2016).Four statistical models including weighted logistic regression,weighted quantile sum(WQS),quantile g-computation(QGC),and bayesian kernel machine regression(BKMR)were used to assess the relationship between mixed chemical exposures and *** analyses were conducted to explore potential *** 6,529 participants,the prevalence of hyperuricemia was 21.15%.Logistic regression revealed a significant association between both hexachlorobenzene(HCB)and trans-nonachlor and hyperuricemia in the fifth quintile(OR:1.54,95%CI:1.08–2.19;OR:1.58,95%CI:1.05–2.39,respectively),utilizing the first quintile as a *** and QGC analyses showed significant overall effects of OCPs on hyperuricemia,with an OR of 1.25(95%CI:1.09–1.44)and 1.20(95%CI:1.06–1.37),*** indicated a positive trend between mixed OCPs and hyperuricemia,with HCB having the largest weight in all three mixture *** analyses revealed that females,individuals aged 50 years and above,and those with a low income were more vulnerable to mixed OCP *** results highlight the urgent need to protect vulnerable populations from OCPs and to properly evaluate the health effects of multiple exposures on hyperuricemia using mutual validation approaches.

关键词： Hyperuricemia Organochlorine pesticide NHANES Weighted quantile sum Quantile g-computation Bayesian kernel machine regression

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基于模糊理论的共享交通用户交通方式属性偏好研究

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综合运输 2024年第4期46卷 23-29页

作者：陈人杰厦门市城市规划设计研究院有限公司福建厦门361000

为确定共享交通用户在出行方式选择时的交通方式属性偏好,消除其决策过程的不确定性与模糊性,本文利用模糊理论并引入三角模糊数对交通方式属性的偏好进行分析。通过实例计算可靠性、舒适性、便捷度、环保性、费用与可达性这六个属性在... 详细信息

为确定共享交通用户在出行方式选择时的交通方式属性偏好,消除其决策过程的不确定性与模糊性,本文利用模糊理论并引入三角模糊数对交通方式属性的偏好进行分析。通过实例计算可靠性、舒适性、便捷度、环保性、费用与可达性这六个属性在共享交通用户出行选择时的模糊权重,得到共享交通用户进行出行方式决策的选择偏好。该方法系统地研究共享交通出行者的交通方式属性偏好,为城市交通规划者以及城市管理者为提升共享交通出行在城市交通出行时的吸引力、改善城市交通出行结构提供了思路。

关键词：交通调查与规划共享交通模糊理论交通方式划分出行偏好

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Effect of In doping on the evolution of microstructure,magnetic properties and corrosion resistance of NdFeB magnets

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Chinese Physics B 2024年第3期33卷 623-629页

作者：李豫豪范晓东贾智范璐丁广飞刘新才郭帅郑波曹帅陈仁杰闫阿儒 School of Materials Science and Chemical Engineering Ningbo UniversityNingbo 315211China CISRI & NIMTE Joint Innovation Center for Rare Earth Permanent Magnets Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo 315201China University of Chinese Academy of Sciences Beijing 100049China

The grain boundary phase affects the magnetic properties and corrosion resistance of sintered NdFeB *** this work,a small amount of In was added to NdFeB magnets by induction melting to systematically investigate its effect on the evolution of the microstructure,magnetic properties and corrosion resistance of NdFeB *** analysis illustrated that minor In addition generated more grain boundary phases and an abundant amorphous phase at the triple-junction grain *** the addition of In failed to enhance the magnetic isolation effect between adjacent matrix grains,its incorporation fortuitously elevated the electrochemical potential of the In-containing ***,during corrosion,an In-rich precipitate phase formed,hindering the ingress of the corrosive medium into the ***,this significantly bolstered the corrosion resistance of the sintered NdFeB *** phase formation,magnetic properties and corrosion resistance of In-doped NdFeB magnets are detailed in this work,which provides new prospects for the preparation of high-performance sintered NdFeB magnets.

关键词： In-doping NdFeB magnets magnetic properties corrosion resistance

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Efficient fastest-path computations for road maps

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Computational Visual Media 2021年第2期7卷 267-281页

作者： renjie chen Craig Gotsman University of Science and Technology of China HefeiChina New Jersey Institute of Technology NewarkNJUSA

In the age of real-time online traffic information and GPS-enabled devices,fastest-path computations between two points in a road network modeled as a directed graph,where each directed edge is weighted by a“travel time”value,are becoming a standard feature of many navigation-related *** support this,very efficient computation of these paths in very large road networks is *** paths may be computed as minimal-cost paths in a weighted directed graph,but traditional minimal-cost path algorithms based on variants of the classical Dijkstra algorithm do not scale well,as in the worst case they may traverse the entire graph.A common improvement,which can dramatically reduce the number of graph vertices traversed,is the A*algorithm,which requires a good heuristic lower bound on the minimal *** introduce a simple,but very effective,heuristic function based on a small number of values assigned to each graph *** values are based on graph separators and are computed efficiently in a preprocessing *** present experimental results demonstrating that our heuristic provides estimates of the minimal cost superior to those of other *** experiments show that when used in the A*algorithm,this heuristic can reduce the number of vertices traversed by an order of magnitude compared to other heuristics.

关键词： shortest-path road map heuristic GPS navigation A^(*)search

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The 2022 report of synergetic roadmap on carbon neutrality and clean air for China:Accelerating transition in key sectors

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Environmental Science and Ecotechnology 2024年第3期19卷 4-18页

作者： Yu Lei Zhicong Yin Xi Lu Qiang Zhang Jicheng Gong Bofeng Cai Cilan Cai Qimin Chai Huopo chen renjie chen Shi chen Wenhui chen Jing cheng Xiyuan Chi Hancheng Dai Xiangzhao Feng Guannan Geng Jianlin Hu Shan Hu Cunrui Huang Tiantian Li Wei Li Xiaomei Li Jun Liu Xin Liu Zhu Liu Jinghui Ma Yue Qin Dan Tong Xuhui Wang Xuying Wang Rui Wu Qingyang Xiao Yang Xie Xiaolong Xu Tao Xue Haipeng Yu Da Zhang Ning Zhang Shaohui Zhang Shaojun Zhang Xian Zhang Xin Zhang Zengkai Zhang Bo Zheng Yixuan Zheng Jian Zhou Tong Zhu Jinnan Wang Kebin He Center of Air Quality Simulation and System Analysis Chinese Academy of Environmental PlanningBeijing100041China Center for Carbon Neutrality Chinese Academy of Environmental PlanningBeijing100041China Key Laboratory of Meteorological Disaster Ministry of Education/Joint International Research Laboratory of Climate and Environment Change(ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CIC-FEMD)Nanjing University of Information Science&TechnologyNanjing210044China State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing100084China Institute for Carbon Neutrality Tsinghua UniversityBeijing100084China Ministry of Education Key Laboratory for Earth System Modelling Department of Earth System ScienceTsinghua UniversityBeijing100084China State Key Joint Laboratory for Environment Simulation and Pollution Control College of Environmental Sciences and Engineering and Center for Environment and HealthPeking UniversityBeijing100871China National Center for Climate Change Strategy and International CooperationBeijing100035China Nansen-Zhu International Research Centre Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing100029China School of Public Health Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of HealthFudan UniversityShanghai200032China School of Economics and Management Beijing University of Chemical TechnologyBeijing100029China Department of Earth System Science University of CaliforniaIrvineCA92697USA National Meteorological Center China Meteorological AdministrationBeijing100081China College of Environmental Sciences and Engineering Peking UniversityBeijing100871China Policy Research Center for Environment and Economy Ministry of Ecology and Environment of the People's Republic of ChinaBeijing100029China Jiangsu Key Laboratory of Atmospheric Environment Monitoring

China is now confronting the intertwined challenges of air pollution and climate *** the high synergies between air pollution abatement and climate change mitigation,the Chinese government is actively promoting synergetic control of these two *** Synergetic Roadmap project was launched in 2021 to track and analyze the progress of synergetic control in China by developing and monitoring key *** Synergetic Roadmap 2022 report is the first annual update,featuring 20 indicators across five aspects:synergetic governance system and practices,progress in structural transition,air pollution and associated weather-climate interactions,sources,sinks,and mitigation pathway of atmospheric composition,and health impacts and benefits of coordinated *** to the comprehensive review presented in the 2021 report,the Synergetic Roadmap 2022 report places particular emphasis on progress in 2021 with highlights on actions in key sectors and the relevant *** milestones include the proportion of non-fossil power generation capacity surpassing coal-fired capacity for the first time,a decline in the production of crude steel and cement after years of growth,and the surging penetration of electric ***,in 2022,China issued the first national policy that synergizes abatements of pollution and carbon emissions,marking a new era for China's pollution-carbon *** changes highlight China's efforts to reshape its energy,economic,and transportation structures to meet the demand for synergetic control and sustainable ***,the country has witnessed a slowdown in carbon emission growth,improved air quality,and increased health benefits in recent years.

关键词： Synergetic roadmap Carbon neutrality Clean air

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