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基于游程的倾斜表格图像的快速检测和校正

华中科技大学学报（自然科学版） 2005年第8期33卷 69-71页

作者：管继斌明德烈北京邮电大学电信工程学院北京100876 华中科技大学图像识别与人工智能研究所湖北武汉430074

基于表格自动录入系统中票据图像的自身特点,提出了一种基于游程的倾斜表格图像的快速检测及校正算法.通过对游程分布直方图的分析,检索出行最长游程组,根据行最长游程组的最大旋转角计算出表格图像倾斜的角度.基于实际表格图像倾斜角... 详细信息

基于表格自动录入系统中票据图像的自身特点,提出了一种基于游程的倾斜表格图像的快速检测及校正算法.通过对游程分布直方图的分析,检索出行最长游程组,根据行最长游程组的最大旋转角计算出表格图像倾斜的角度.基于实际表格图像倾斜角度一般不会过大的特点,提出了基于线性搬移技术的校正方法,通过对行、列两个方向的分段线性搬移达到图像快速倾斜校正的目的.算法已应用于实际系统,测试结果表明该技术方法可行、鲁棒性强、并且具有较高的执行效率.

关键词：图像识别游程倾斜检测倾斜校正表格识别

社区综合护理干预对冠心病合并高血压患者的应用效果

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国际医药卫生导报 2019年第19期25卷 3329-3332页

作者：吴燕清利艳红彭小梅官计彬南方医科大学南海医院里水社区卫生服务中心佛山528244

目的观察评价社区综合护理干预对非住院冠心病合并高血压患者的控制效果。方法选择2018年1月至2019年2月期间在南海区里水镇社区卫生服务中心就诊的冠心病合并高血压86例,随机对照试验分为两组;对照组43例患者给予常规治疗及常规基础护... 详细信息

目的观察评价社区综合护理干预对非住院冠心病合并高血压患者的控制效果。方法选择2018年1月至2019年2月期间在南海区里水镇社区卫生服务中心就诊的冠心病合并高血压86例,随机对照试验分为两组;对照组43例患者给予常规治疗及常规基础护理方法,观察组43例患者在对照组的基础上采取社区综合干预,并比较两组的护理干预效果。结果观察组总有效率为97.67%,高于对照组的81.40%(χ^2=6.408 3,P=0.000 0);观察组与对照组DBP较护理前均明显降低(分别t=21.284 7、14.602 4,均P<0.05),且观察组显著低于对照组(t=6.814 6,P<0.05);观察组与对照组SBP较护理干预前均明显降低(分别t=31.104 6、19.076 5,均P<0.05),且观察组显著低于对照组(t=12.5728,P<0.05);观察组患者的相关知识掌握程度均明显高于对照组(均P<0.05)。结论社区综合干预可以明显提高冠心病合并高血压患者的自我护理管理水平,有效改善血压状况,提高患者的遵医嘱及依从性。

关键词：冠心病合并高血压社区综合干预控制效果

社区护理干预对老年2型糖尿病患者的应用效果

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国际医药卫生导报 2019年第20期25卷 3495-3497页

作者：利艳红彭小梅吴燕清官计彬南方医科大学南海医院里水社区卫生服务中心 528244

目的观察评价分析社区护理干预对老年2型糖尿病(T2DM)患者的应用效果。方法选择2018年3月至2019年3月期间本社区卫生服务中心门诊就诊的老年T2DM患者86例,并随机对照试验(RCT)分为两组,对照组43例给予常规护理的措施;观察组43例在对照... 详细信息

目的观察评价分析社区护理干预对老年2型糖尿病(T2DM)患者的应用效果。方法选择2018年3月至2019年3月期间本社区卫生服务中心门诊就诊的老年T2DM患者86例,并随机对照试验(RCT)分为两组,对照组43例给予常规护理的措施;观察组43例在对照组基础上采取优质综合护理干预,并比较两组护理干预的临床效果。结果观察组血糖HbA1c、FPG、2hPBG水平均明显低于对照组(t=3.119 2、3.036 8、4.268 3,均P<0.05);观察组遵医嘱服药、适宜运动、合理饮食及血糖监测水平均明显高于对照组(t=5.634 8、7.339 6、6.637 0、5.904 6,均P<0.05);观察组护理干预满意度明显的高于对照组(96.72%比83.72%),两组比较差异有统计学意义(χ^2=4.961 5,P=0.025 9)。结论社区护理干预能够显著地调节老年T2DM患者血糖水平,有效地提高患者的遵医率及护理满意度。

关键词：老年患者 2型糖尿病血糖水平社区护理干预

Radar fast long-time coherent integration via TR-SKT and robust sparse FRFT

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Journal of Systems Engineering and Electronics 2023年第5期34卷 1116-1129页

作者： CHEN Xiaolong guan Jian ZHENG jibin ZHANG Yue YU Xiaohan Naval Aviation University Yantai 264001China National Laboratory of Radar Signal Processing Xidian UniversityXi’an 710071China School of Electronic and Communication Engineering Sun Yat-Sen UniversityGuangzhou 510000China Unit 91977 of the PLA Beijing 100036China

Long-time coherent integration(LTCI)is an effective way for radar maneuvering target detection,but it faces the problem of a large number of search parameters and large amount of *** the simultaneous compensation of the range and Doppler migrations in complex clutter back-ground,and at the same time improving the calculation efficiency has become an urgent problem to be *** sparse transformation theory is introduced to LTCI in this paper,and a non-parametric searching sparse LTCI(SLTCI)based maneuvering target detection method is *** method performs time reversal(TR)and second-order Keystone transform(SKT)in the range frequency&slow-time data to complete high-order range walk compensation,and achieves the coherent integra-tion of maneuvering target across range and Doppler units via the robust sparse fractional Fourier transform(RSFRFT).It can compensate for the nonlinear range migration caused by high-order motion.S-band and X-band radar data measured in sea clutter background are used to verify the detection performance of the proposed method,which can achieve better detection performance of maneuvering targets with less computational burden compared with several popular integration methods.

关键词： radar maneuvering target detection sea clutter long-time coherent integration(LTCI) sparse transformation time reversal(TR) second-order Keystone transform(SKT)

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中西医结合治疗慢性萎缩性胃炎的疗效观察

国际医药卫生导报 2018年第15期24卷 2362-2364页

作者：官计彬黄庆菊何婉文李淑勤文小敏佛山市南海区里水镇社区卫生服务中心 528244 南方医科大学中西医结合医院广州510000

目的观察评价中西医结合治疗慢性萎缩性胃炎（CAG）的临床效果。方法选择2016年2月至2017年2月期间佛山市南海区里水镇社区卫生服务中心收治的慢性萎缩性胃炎患者98例，并按照数字表法随机分为两组，对照组49例给予奥美拉唑、阿莫西林... 详细信息

目的观察评价中西医结合治疗慢性萎缩性胃炎（CAG）的临床效果。方法选择2016年2月至2017年2月期间佛山市南海区里水镇社区卫生服务中心收治的慢性萎缩性胃炎患者98例，并按照数字表法随机分为两组，对照组49例给予奥美拉唑、阿莫西林、克拉霉素片及维生素B．，治疗；观察组49例则在常规西药联合基础上采取运用益气养阴中药结合针刺辨证治疗，并比较两组的临床效果。结果观察组总有效率为95．92％明显高于对照组的75．51％（χ^2=4．871，P〈0．05），观察组治疗后IL-6、TNF—α水平效果显著的低于对照组（t=22．683、3．530，P=0．000）；观察组治疗后G-17、PG水平效果明显的高于对照组（t=66．875、49．441，P=0．000）。结论中西医结合治疗慢性萎缩性胃炎（CAC）能够显著提高临床治疗效果，疗效显著，且安全性高，有效的调节相关免疫细胞因子水平，减轻炎症反应，值得社区lJ缶床大力推广应用。

关键词：慢性萎缩性胃炎奥美拉唑阿莫西林克拉霉素片益气养阴中药

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三联疗法联合中药治疗胃溃疡患者的临床效果

国际医药卫生导报 2018年第16期24卷 2534-2537页

作者：官计彬宋代黎黄庆菊李淑勤何婉文佛山市南海区里水镇社区卫生服务中心 528244 南方医科大学南海医院内科佛山528244

目的观察评价三联疗法联合中药治疗胃溃疡（GU）患者的效果.方法选择2015年6月至2017年2月医院收治的胃溃疡患者106例,并随机对照试验（Randomized Controlled Trial,RCT）分为对照组与观察组,各53例.对照组给予常规替硝唑片、克拉霉... 详细信息

目的观察评价三联疗法联合中药治疗胃溃疡（GU）患者的效果.方法选择2015年6月至2017年2月医院收治的胃溃疡患者106例,并随机对照试验（Randomized Controlled Trial,RCT）分为对照组与观察组,各53例.对照组给予常规替硝唑片、克拉霉素片及枸橼酸铋钾片三联疗法治疗;观察组则在对照组基础上加用半夏泻心汤治疗;比较两组临床效果.结果观察组总有效率为94.34％,显著高于对照组的77.36％（x2=6.290 1,P＜0.05）;观察组Hp根除率为96.23％,显著高于对照组的75.45％（x2=9.396 3,P＜0.05）;观察组复发率3.77％,明显的低于对照组的18.87％（x2=6.014 2,P＜0.05）;观察组治疗后IL-6、TNF-α水平均明显低于对照组（均P＜0.05）.结论常规三联疗法联合中药治疗胃溃疡效果显著,能够有效降低IL-6、TNF-d水平及复发率,值得临床大力推广应用.

关键词：胃溃疡替硝唑片克拉霉素片枸橼酸铋钾片半夏泻心汤 IL-6 TNF-α

Mechanistic insight into the synergy between nickel single atoms and nanoparticles on N-doped carbon for electroreduction of CO2

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Journal of Energy Chemistry 2025年第1期100卷 327-336页

作者： Mingdong Sun Wenwen guan Cailing Chen Chao Wu Xiaoling Liu Biao Meng Tao Chen Yu Han Jun Wang Shibo Xi Yu Zhou State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical Engineering Nanjing Tech University Advanced Membranes and Porous Materials Center Physical Sciences and Engineering Division King Abdullah University of Science and Technology Institute of Sustainability for Chemicals Energy and Environment A*STAR (Agency for Science Technology and Research) College of Materials Science and Engineering Sichuan University

The synergy of single atoms （SAs） and nanoparticles （NPs） has demonstrated great potential in promoting the electrocatalytic carbon dioxide reduction reaction （CO2RR）;however,the rationalization of the SAs/NPs proportion remains one challenge for the catalyst ***,a Ni2+-loaded porous poly（ionic liquids）(PIL) precursor synthesized through the free radical self-polymerization of the ionic liquid monomer,1-allyl-3-vinylimidazolium chloride,was pyrolyzed to prepare the Ni,N co-doped carbon materials,in which the proportion of Ni SAs and NPs could be facilely modulated by controlling the annealing *** catalyst Ni-NC-1000 with a moderate proportion of Ni SAs and NPs exhibited high efficiency in the electrocatalytic conversion of CO2into *** Ni K-edge X-ray absorption near-edge structure （XANES） spectra and theoretical calculations were conducted to gain insight into the synergy of Ni SAs and *** charge transfer from Ni NPs to the surrounding carbon layer and then to the Ni SAs resulted in the electron-enriched Ni SAs active *** the electroreduction of CO2,the coexistence of Ni SAs and NPs strengthened the CO2activation and the affinity towards the key intermediate of*COOH,lowering the free energy for the potential-determining*CO2→*COOH step,and therefore promoted the catalysis efficiency.

关键词： Single atom catalyst Synergy effect Carbon catalyst Electrocatalysis

Dielectric-ion-conductive ZnNb2O6 layer enabling rapid desolvation and diffusion for dendrite-free Zn metal batteries

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Journal of Energy Chemistry 2025年第1期100卷 693-701页

作者： Haifeng Yang Jian Wang Panpan Zhang Xiaomin Cheng Qinghua guan Jing Dong Bixian Chen Lujie Jia Jing Zhang Yongzheng Zhang Yunjian Liu Hongzhen Lin School of Materials Science and Engineering Jiangsu University i-Lab & CAS Key Laboratory of Nanophotonic Materials and Devices Suzhou Institute of Nano-Tech and Nano-Bionics Chinese Academy of Sciences Helmholtz Institute Ulm (HIU) Karlsruhe Institute of Technology (KIT) School of Materials Science and Engineering Xi'an University of Technology State Key Laboratory of Chemical Engineering East China University of Science and Technology

Rechargeable aqueous zinc-metal batteries （AZMBs） are promising candidates for large-scale energy storage systems due to their low cost and high ***,their performance and sustainability are significantly hindered by the sluggish desolvation kinetics at the electrode/electrolyte interface and the corresponding hydrogen evolution reaction where active water molecules tightly participate in the Zn（H2O）62+solvation ***,learnt from self-generated solid electrolyte interphase （SEI） in anodes,the dielectric but ion-conductive zinc niobate nanoparticles artificial layer is constructed on metallic Zn surface （ZNB@Zn）,acting as a rapid desolvation *** zincophilic and dielectric-conductive properties of ZNB layer accelerate interfacial desolvation/diffusion and suppress surface corrosion or dendrite formation,achieving uniform Zn plating/stripping behavior,as confirmed by electronic/optical microscopies and interface spectroscopical measurements together with theoretical ***,the as-prepared ZNB@Zn electrode exhibits excellent cycling stability of over 2000 h and robust reversibility （99.54%） even under high current density and depth of discharge ***,the assembled ZNB@Zn-based full cell displays high capacity-retention rate of 80.21%after 3000 cycles at 5 A g-1and outstanding rate performance up to 10 A *** large-areal pouch cell is stabilized for hundreds of cycles,highlighting the bright prospects of the dielectric but ion-conductive layer in further application of AZMBs.

关键词： Zn metal battery Dielectric artificial layer Rapid ion diffusion Zincophilic diffusion Active water inhibition

Decreased levels of phosphorylated synuclein in plasma are correlated with poststroke cognitive impairment

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Neural Regeneration Research 2025年第9期20卷 2598-2610页

作者： Yi Wang Yuning Li Yakun Gu Wei Ma Yuying guan Mengyuan Guo Qianqian Shao Xunming Ji Jia Liu Department of Clinical Laboratory Beijing Bo’ai HospitalChina Rehabilitation Research CenterCapital Medical UniversityBeijingChina Beijing Institute of Brain Disorders Laboratory of Brain DisordersMinistry of Science and TechnologyCollaborative Innovation Center for Brain DisordersBeijing Advanced Innovation Center for Big Data-based Precision MedicineCapital Medical UniversityBeijingChina Department of Neurosurgery Xuanwu HospitalCapital Medical UniversityBeijingChina

Poststro ke cognitive impairment is a major secondary effect of ischemic stroke in many patients;however,few options are available for the early diagnosis and treatment of this *** aims of this study were to(1)determine the specific relationship between hypoxic andα-synuclein during the occur of poststroke cognitive impairment and(2)assess whether the serum phosphorylatedα-synuclein level can be used as a biomarker for poststro ke cognitive *** found that the phosphorylatedα-synuclein level was significantly increased and showed pathological aggregation around the cerebral infa rct area in a mouse model of ischemic *** addition,neuronalα-synuclein phosphorylation and aggregation were observed in the brain tissue of mice subjected to chronic hypoxia,suggesting that hypoxia is the underlying cause ofα-synuclein-mediated pathology in the brains of mice with ischemic *** phosphorylatedα-synuclein levels in patients with ischemic stroke were significantly lower than those in healt hy subjects,and were positively correlated with cognition levels in patients with ischemic ***,a decrease in serum high-density lipoprotein levels in stroke patie nts was significantly correlated with a decrease in phosphorylatedα-synuclein *** ischemic stroke mice did not show significant cognitive impairment or disrupted lipid metabolism 14 days after injury,some of them exhibited decreased cognitive function and reduced phosphorylatedα-synuclein *** together,our results suggest that serum phosphorylatedα-synuclein is a potential biomarker for poststroke cognitive impairment.

关键词： biomarker high-density lipoprotein ischemic stroke phosphorylatedα-synuclein poststroke cognitive impairment