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An Envelope Algorithm for Single Nanoparticle Collision Electrochemistry

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Chinese Journal of Chemistry 2021年第7期39卷 1936-1940页

作者： chun-yu xu Ru-Jia yu xue Ni Su-Wen xu Xi-Xin Fu Yong-Jing Wan Yi-Lun Ying Yi-Tao Long School of Information Science and Engineering East China University of Science and TechnologyShanghai200237 China State Key Laboratory of Analytical Chemistry for Life Science School of Chemistry and Chemical EngineeringNanjing UniversityNanjingJiangsu210023 China Chemistry and Biomedicine Innovation Center Nanjing UniversityNanjingJiangsu210023 China Department of Chemistry East China University of Science and TechnologyShanghai200237 China

Main observation and conclusion Single nanoparticle collision has attracted great attention in the last several years to reveal the electron transfer and motion trajectories of individual particles at the electrode **... 详细信息

关键词： Analytical methods Electrochemistry Nanopartlcles Savitzky-Golay filter Single nanoparticle collision

Prevalence and Treatment of Children＇s Asthma in Rura Areas Compared with Urban Areas in Beijing

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Chinese Medical Journal 2015年第17期128卷 2273-2277页

作者： Wen-Jing Zhu Hai-Xia Ma Hui-Ying Cui xu Lu Ming-Jun Shao Shuo Li Yan-Qing Luo Qiang Wang chun-yu xu Dong-Qun xu Chuan-He Liu yu-Zhi Chen Center for Asthma Prevention and Education Capital Institute of Pediatrics Beijing 100020 China Department of Pediatrics Liangxiang Hospital Fangshan District Beijing 102401 China Department of Pediatrics Tongzhou Maternal and Child Health Hospital Beijing 101199 China Institute of Environmental Health and Related Product Safety Chinese Center for Disease Control and Prevention Beijing 100021 China

The prevalence of childhood asthma has been increasing in China. This study aimed to compare the prevalence, diagnosis, and treatment of asthmatic children from urban and rural areas in Beijing, China. Methods： Schools, communities, and kindergartens were randomly selected by cluster random sampling from urban and rural areas in Beijing. Parents were surveyed by the same screening questionnaires. On-the-spot inquiries, physical examinations, medical records, and previous test results were used to diagnose asthmatic children. Information on previous diagnoses, treatments, and control of symptoms was obtained. Results： From 7209 children in rural areas and 13,513 children in urban areas who completed screening questionnaires, 587 children were diagnosed as asthma. The prevalence of asthma in rural areas was lower than in urban areas （1.25% vs. 3.68%, χ^2 = 100.80, P 〈 0.001）. The diagnosis of asthma in rural areas was lower than in urban areas （48.9% vs. 73.9%, χ^2 = 34.6, P 〈 0.001）. Compared with urban asthmatic children （56.5%）, only 35.6% of rural asthmatic children received inhaled corticosteroids （P 〈 0.05）. The use ofbronchodilators was also lower in rural areas than in urban areas （56.5% vs. 66.4%, χ^2 = 14.2, P 〈 0.01）. Conclusion： The prevalence of asthma in children was lower in rural areas compared with children in the urban area of Bcijing. A considerable number of children were not diagnosed and inadequately treated in rural areas,

关键词： Asthma Children Diagnosis Treatment Rural Urban

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基于初始位置的高速公路快速地图匹配算法

中国惯性技术学报 2017年第4期25卷 461-465,472页

作者：滕志军曲兆强何义昌佟育春徐春雨张丽伟东北电力大学信息工程学院吉林132012 国网吉林供电公司信息通信分公司吉林132000

针对车辆行驶在高速公路过程中,传统地图匹配算法存在大量冗余检索时间,且消除垂直误差后仍存在水平误差等问题,设计了一种基于初始定位信息的快速地图匹配算法。该算法首先利用初始定位点到候选路段的距离与夹角确定车辆所行驶道路,然... 详细信息

针对车辆行驶在高速公路过程中,传统地图匹配算法存在大量冗余检索时间,且消除垂直误差后仍存在水平误差等问题,设计了一种基于初始定位信息的快速地图匹配算法。该算法首先利用初始定位点到候选路段的距离与夹角确定车辆所行驶道路,然后考虑道路网拓扑结构和连通性,将后续定位点直接投影到初始确定的道路上,减少检索道路的时间;同时为提高算法的精确度,在引用初始定位信息时,通过设置距离阈值剔除定位数据漂移点,并利用一元线性方程建立HP模型以消除水平误差。经理论计算和实际测试表明,该算法利用初始获得的7个连续定位点,能准确检索出车辆正在行驶的道路,节省36%的检索时间,借助HP模型可以减少定位点与车辆实际位置之间45%的投影误差。因此,与连续匹配算法和垂直投影方式相比,该算法具有检索过程简单、检索准确率高、误差消除大的优势。

关键词：高速公路初始信息地图匹配距离阈值水平误差

Inspires effective alternatives to backpropagation:predictive coding helps understand and build learning

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Neural Regeneration Research 2025年第11期20卷 3215-3216页

作者： Zhenghua xu Miao yu yuhang Song School of Health Sciences and Biomedical Engineering Hebei University of TechnologyTianjinChina Department of Computer Science University of OxfordOxfordUK

Artificial neural networks are capable of machine learning by simulating the hiera rchical structure of the human *** enable learning by brain and machine,it is essential to accurately identify and correct the prediction errors,referred to as credit assignment(Lillicrap et al.,2020).It is critical to develop artificial intelligence by understanding how the brain deals with credit assignment in neuroscience.

关键词： assignment learning enable

母婴床旁护理对初产妇自护能力及育婴技能的影响

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西藏医药 2021年第1期42卷 103-105页

作者：许春玉灵宝市第一人民医院妇产科河南灵宝472500

目的探究母婴床旁护理对初产妇自护能力及育婴技能的影响。方法前瞻性选择2016年11月~2018年11月于我院成功分娩的初产妇100例,依照随机数字表法分为观察组(50例)与对照组(50例)。对照组采用常规护理,观察组采用母婴床旁护理,两组均护... 详细信息

目的探究母婴床旁护理对初产妇自护能力及育婴技能的影响。方法前瞻性选择2016年11月~2018年11月于我院成功分娩的初产妇100例,依照随机数字表法分为观察组(50例)与对照组(50例)。对照组采用常规护理,观察组采用母婴床旁护理,两组均护理至初产妇出院。比较两组护理结束时的自我护理能力测定量表(ESCA)评分与育婴技能掌握程度。结果护理结束时,观察组ESCA评分与育婴技能掌握程度高于对照组,差异有统计学意义(P<0.05)。结论母婴床旁护理可有效提高初产妇的自护能力,强化育婴技能。

关键词：初产妇母婴床旁护理自护能力育婴技能

Searching for ^(76)Ge neutrinoless double beta decay with the CDEX-1B experiment

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Chinese Physics C 2024年第10期48卷 11-22页

作者： Bing-Tao Zhang Jun-Zheng Wang Li-Tao Yang Qian yue Ke-Jun Kang yuan-Jing Li Hai-Peng An C.Greeshma Jian-Ping Chang yun-Huan Chen Jian-Ping Cheng Wen-Han Dai Zhi Deng Chang-Hao Fang Xin-Ping Geng Hui Gong Qiu-Ju Guo xu-yuan Guo Li He Sheng-Ming He Jin-Wei Hu Han-Xiong Huang Tu-Chen Huang Hai-Tao Jia Xi Jiang S.Karmakar Hao-Bin Li Jian-Min Li Jin Li Qian-yun Li Ren-Ming-Jie Li xue-Qian Li yu-Lan Li Yi-Fan Liang Bin Liao Fong-Kay Lin Shin-Ted Lin Jia-xuan Liu Shu-Kui Liu Yan-Dong Liu yu Liu yuan-yuan Liu Zhong-Zhi Liu Hao Ma yu-Cai Mao Qi-yuan Nie Jin-Hua Ning Hui Pan Ning-chun Qi Jie Ren Xi-Chao Ruan Ze She Manoj Kumar Singh Tian-Xi Sun Chang-Jian Tang Wei-You Tang Yang Tian Guang-Fu Wang Li Wang Qing Wang yu-Feng Wang yun-Xiang Wang Henry-Tsz-King Wong Shi-Yong Wu yu-Cheng Wu Hao-Yang Xing Rui xu Yin xu Tao xue yu-Lu Yan Nan Yi chun-xu yu Hai-Jun yu Jian-Feng yue Ming Zeng Zhi Zeng Feng-Shou Zhang Lei Zhang Zhen-Hua Zhang Zhen-yu Zhang Kang-Kang Zhao Ming-Gang Zhao Ji-Fang Zhou Zu-Ying Zhou Jing-Jun Zhou Key Laboratory of Particle and Radiation Imaging(Ministry of Education)and Department of Engineering Physics Tsinghua UniversityBeijing 100084 Department of Physics Tsinghua UniversityBeijing 100084 Institute of Physics Academia SinicaTaipei 11529 NUCTECH Company Beijing 100084 YaLong River Hydropower Development Company Chengdu 610051 College of Nuclear Science and Technology Beijing Normal UniversityBeijing 100875 College of Physics Sichuan UniversityChengdu 610065 School of Physics Peking UniversityBeijing 100871 Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413 Sino-French Institute of Nuclear and Technology Sun Yat-sen UniversityZhuhai 519082 School of Physics Nankai UniversityTianjin 300071 Department of Physics Banaras Hindu UniversityVaranasi 221005 Department of Physics Beijing Normal UniversityBeijing 100875

We operated a p-type point contact high purity germanium(PPCGe)detector(CDEX-1B,1.008 kg)in the China Jinping Underground Laboratory(CJPL)for 500.3 days to search for neutrinoless double beta(0νββ)decay of ^(76)Ge.A total of 504.3 kg⋅day effective exposure data was *** anti-coincidence and the multi/single-site event(MSE/SSE)discrimination methods were used to suppress the background in the energy region of interest(ROI,1989–2089 keV for this work)with a factor of 23.A background level of 0.33 counts/(keV⋅kg⋅yr)was *** lower limit on the half life of^(76)Ge 0νββdecay was constrained as T_(1/2)^(0ν)>1.0×10^(23)yr(90%C.L.),corresponding to the upper limits on the effective Majorana neutrino mass:<3.2–7.5 eV.

关键词： neutrinoless double beta decay CDEX point-contact germanium detector ^(76)Ge

Single-cell transcriptomic profiling reveals ZEB1-mediated regulation in microglial subtypes and the impact of exercise on neuroinflammatory responses

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Traditional Medicine Research 2025年第2期10卷 55-64页

作者： Jin-Fang Wu Yi-Sheng Chen yu-chun Xie Department of Rehabilitation Medicine Jiangsu Province Geriatric HospitalNanjing 210024China Fujian Key Laboratory of Toxicant and Drug Toxicology Medical CollegeNingde Normal UniversityNingde 352100China Central Laboratory Jiangsu Province Geriatric HospitalNanjing 210024China

Background:This study aims to identify distinct cellular subtypes within brain tissue using single-cell transcriptomic analysis,focusing on specific biomarkers that differentiate cell types and the effects of traditional and exercise ***:Four samples were analyzed:older control(OC),older exercise(OE),younger control(YC),and younger exercise(YE).Single-cell RNA sequencing was used to distinguish cellular subtypes through their biomarker *** visualization included violin and t-SNE plots to illustrate biomarker expression across cell clusters such as oligodendrocytes,microglia,and ***,BV2 cells were exposed to amyloid-beta fragments to simulate Alzheimer’s disease,assessing the impact of exercise-induced cellular ***:Distinct cellular subtypes were identified:oligodendrocytes(MBP,St18),microglia(Dock8),and astrocytes(Aqp4,Gpc5).Sample OE was predominantly oligodendrocytes,while YE had more astrocytes,inhibitory neurons,and Canal-Retzius *** showed a significant presence of Olfm3+ganglion ***1 gene knockout revealed changes in SMAD family gene expression,which regulate *** stress levels were also ***:This profiling enhances our understanding of brain cellular functions and interactions,potentially informing targeted therapies in neurological *** may influence brain cell immune responses and cell death pathways by regulating specific gene expressions,offering new insights for treating neuroinflammation and degeneration.

关键词： single-cell transcriptomics brain tissue cellular subtypes biomarker expression neuronal diversity

Optimization Strategies of Na_(3)V_(2)(PO_(4))_(3) Cathode Materials for Sodium‑Ion Batteries

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Nano-Micro Letters 2025年第2期17卷 204-251页

作者： Jiawen Hu Xinwei Li Qianqian Liang Li xu Changsheng Ding yu Liu Yanfeng Gao School of Materials Science and Engineering Shanghai UniversityShanghai 200444People’s Republic of China Shanghai Institute of Ceramics Chinese Academy of SciencesShanghai 200050People’s Republic of China

Na_(3)V_(2)(PO_(4))_(3)(NVP)has garnered great attentions as a prospective cathode material for sodium-ion batteries(SIBs)by virtue of its decent theoretical capacity,superior ion conductivity and high structural ***,the inherently poor electronic conductivity and sluggish sodium-ion diffusion kinetics of NVP material give rise to inferior rate performance and unsatisfactory energy density,which strictly confine its further application in ***,it is of significance to boost the sodium storage performance of NVP cathode *** to now,many methods have been developed to optimize the electrochemical performance of NVP cathode *** this review,the latest advances in optimization strategies for improving the electrochemical performance of NVP cathode material are well summarized and discussed,including carbon coating or modification,foreign-ion doping or substitution and nanostructure and morphology *** foreign-ion doping or substitution is highlighted,involving Na,V,and PO_(4)^(3−)sites,which include single-site doping,multiple-site doping,single-ion doping,multiple-ion doping and so ***,the challenges and prospects of high-performance NVP cathode material are also put *** is believed that this review can provide a useful reference for designing and developing high-performance NVP cathode material toward the large-scale application in SIBs.

关键词： Sodium-ion batteries Na_(3)V_(2)(PO_(4))_(3) Cathode materials Electrochemical performance Optimization strategies

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GIS支持下的变量施肥尺度效应模拟研究

土壤 2004年第6期36卷 615-620页

作者：潘瑜春薛绪掌陈立平赵春江王秀国家农业信息化工程技术研究中心北京100089

以玉米N肥变量施肥为例,采用GIS技术对不同土壤肥力水平下的变量施肥尺度对施肥量、产量和肥料增产效率的影响进行模拟计算和可视化表达。首先用揟urning Band Method敺椒ㄋ婊煞现付ň怠⒎讲詈涂占浞植?半方差模型)的一组表示... 详细信息

以玉米N肥变量施肥为例,采用GIS技术对不同土壤肥力水平下的变量施肥尺度对施肥量、产量和肥料增产效率的影响进行模拟计算和可视化表达。首先用揟urning Band Method敺椒ㄋ婊煞现付ň怠⒎讲詈涂占浞植?半方差模型)的一组表示最小施肥单元的土壤养分数据,每组104个数据,对每组数据进行了100个等级尺度单元的相关效应计算和分析。模拟结果表明:(1)随着变量施肥单元面积减小,平均单位面积的施肥量增加或保持不变,产量一般增加,总的肥料增产效率也提高;(2)施肥临界养分过渡带的变量施肥合理性和产量受尺度影响较大,土壤肥力较高时,空间变异小,变量施肥尺度效应不明显。

关键词： GIS 变量施肥尺度效应模拟