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Influence of gestational age and time of day in baseline and heart rate variation of fetuses

TECHNOLOGY AND HEALTH CARE 2016年第Suppl 2期24卷 S471-S476页

作者： Li, Guangfei Zhang, Song Yang, lin Li, Shufang Wang, Yan Hao, Dongmei Yang, Yimin Li, xuwen Zhang, Lei Xu, Mingzhou Beijing Univ Technol Coll Life Sci & Bioengn Beijing Peoples R China Peking Univ Hosp 3 Obstet & Gynecol Beijing Peoples R China Beijing Yes Med Devices Co Ltd Beijing Peoples R China Beijing Aerosp ChangFeng Co Ltd Beijing Peoples R China

BACKGROUND: Fetal electrocardiography (FECG) places electrodes on the maternal abdomen to convert the fetal electrocardiosignals into fetal heart rate (FHR), improving the accuracy and comfort of pregnant woman. At the same time, FECG simplifies the procedure of long term monitoring in the perinatal period. OBJECTIVE: Investigating the influence of gestational age and time of day on FHR features to distinguish between non-stress test (NST) normal fetuses and NST suspicious fetuses. METHODS: A novel method of FHR baseline estimation was presented;then baseline value and fetal heart rate variation (FHRV) were analyzed in the time domain using FHR signals recorded from 52 fetuses. RESULTS: Baseline values in 1: 00, 2: 00, 4: 00, 5: 00 and heart rate variation (HRV) distribution showed a significant difference (p < 0.05) between NST normal fetuses and NST suspicious fetuses. CONCLUSIONS: The results suggest that NST normal and suspicious fetuses had same outcome and different FHR features. Accurately distinguishing normal fetuses and suspicious fetuses is important for lowering the false positive rate and reducing unnecessary clinical intervention.

关键词： Fetal heart rate (FHR) baseline heart rate variation (HRV) gestational age (GA)

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CEPC Technical Design Report

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Radiation Detection Technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai Yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-Yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen Wei Chen Xiang Chen Xiaoyu Chen Xin Chen Xun Chen Xurong Chen Ye Chen Ying Chen Yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen Chunhui Chen Hok Chuen Cheng Huajie Cheng Shan Cheng Tongguang Cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi ling-Yun Dai Xinchen Dai xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong Jianin AGH University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research Institute Co. LtdBeijing Beijing Institute of Technology Beijing Beijing Normal University Beijing Brown University ProvidenceRI Budker Institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa Chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and Technology Beijing China Institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of Geosciences Beijing China University of Geosciences WuhanHubei China University of Mining and Technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft Institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of Technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint Institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And Technol

The Circular Electron Positron Collider(CEPC)is a large scientific project initiated and hosted by China,fostered through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV linac,a 1.1 GeV Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated luminosity of 13 ab^(-1)for two IPs over a decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2030s.

关键词： initiated exceeding precise

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Correction: CEPC Technical Design Report: Accelerator

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Radiation Detection Technology and Methods 2024年第1期9卷 184-192页

作者： Abdallah, Waleed de Freitas, Tiago CarlosAdorno Afanaciev, Konstantin Ahmad, Shakeel Ahmed, Ijaz Ai, Xiaocong Aleem, Abid Altmannshofer, Wolfgang Alves, Fabio An, Weiming An, Rui Anderle, Daniele Paolo Antusch, Stefan Arai, Yasuo Arbuzov, Andrej Arhrib, Abdesslam Ashry, Mustafa Bai, Sha Bai, Yu Bai, Yang Bairathi, Vipul Balazs, Csaba Bambade, Philip Ban, Yong Bandyopadhyay, Triparno Bao, Shou-Shan Barber, Desmond P. Bat, Ays¸e Batozskaya, Varvara Behera, Subash Chandra Belyaev, Alexander Bertucci, Michele Bi, Xiao-Jun Bi, Yuanjie Bian, Tianjian Bianchi, Fabrizio Bieko¨tter, Thomas Biglietti, Michela Bilanishvili, Shalva Binglin, Deng Bodrov, Denis Bogomyagkov, Anton Bondarenko, Serge Boogert, Stewart Boonekamp, Maarten Borri, Marcello Bosotti, Angelo Boudry, Vincent Boukidi, Mohammed Boyko, Igor Bozovic, Ivanka Bozzi, Giuseppe Brient, Jean-Claude Budzinskaya, Anastasiia Bukhari, Masroor Bytev, Vladimir Cacciapaglia, Giacomo Cai, Hua Cai, Wenyong Cai, Wujun Cai, Yijian Cai, Yizhou Cai, Yuchen Cai, Haiying Cai, Huacheng Calibbi, Lorenzo Cang, Junsong Cao, Guofu Cao, Jianshe Chance, Antoine Chang, Xuejun Chang, Yue Chang, Zhe Chang, Xinyuan Chao, Wei Chatrabhuti, Auttakit Che, Yimin Che, Yuzhi Chen, Bin Chen, Danping Chen, Fuqing Chen, Fusan Chen, Gang Chen, Guoming Chen, Hua-Xing Chen, Huirun Chen, Jinhui Chen, Ji-Yuan Chen, Kai Chen, Mali Chen, Mingjun Chen, Mingshui Chen, Ning Chen, Shanhong Chen, Shanzhen Chen, Shao-Long Chen, Shaomin Chen, Shiqiang Chen, Tianlu Chen, Wei Chen, Xiang Chen, Xiaoyu Chen, Xin Chen, Xun Chen, Xurong Chen, Ye Chen, Ying Chen, Yukai Chen, Zelin Chen, Zilin Chen, Boping Chen, Chunhui Cheng, Hok Chuen Cheng, Huajie Cheng, Shan Cheng, Tongguang Chi, Yunlong Chimenti, Pietro Chiu, Wen Han Cho, Guk Chu, Ming-Chung Chu, Xiaotong Chu, Ziliang Coloretti, Guglielmo Crivellin, Andreas Cui, Hanhua Cui, Xiaohao Cui, Zhaoyuan D’Anzi, Brunella Dai, ling-Yun Dai, Xinchen Dai, xuwen De Maria, Antonio De Filippis, Nicola De La Taille, Christophe De Mori, Francesca De Sio, Chiara Del Core, Elisa Deng, Cairo University Giza Egypt Xi’an Jiaotong-Liverpool University Suzhou China Institute of Power Engineering of National Academy of Sciences of Belarus Minsk Belarus Pakistan Institute of Nuclear Science and Technology (PINSTECH) Islamabad Pakistan Applied Physics Department Science and Technology Federal Urdu University of Arts Islamabad Pakistan Zhengzhou University Zhengzhou China Institute of High Energy Physics Chinese Academy of Sciences Beijing China University of California Santa Cruz Santa Cruz USA Nanjing University Nanjing China Beijing Normal University Beijing China Harvard University Cambridge USA South China Normal University Guangzhou China University of Basel Basel Switzerland High Energy Accelerator Research Organization (KEK) Tsukuba Japan Joint Institute for Nuclear Research Dubna Russia Faculty of Sciences and Techniques Université Abdelmalek Essaadi Tangier Morocco Southeast University Nanjing China Department of Physics University of Wisconsin–Madison Madison USA Instituto de Alta Investigación Universidad de Tarapacá Arica Chile Monash University Melbourne Australia Laboratoire de Physique des 2 infinis Irène Joliot-Curie – IJCLab Orsay France Peking University Beijing China Department of Physics and Nanotechnology SRM Institute of Science and Technology Kattankulathur India Shandong University Jinan China University of New Mexico Albuquerque USA Bandirma Onyedi Eylul University Bandırma Turkey National Centre for Nuclear Research Warsaw Poland Indian Institute of Technology Madras (IN) Chennai India University of Southampton Southampton UK INFN Milano - LASA Segrate Italy Sun Yat-Sen University Guangzhou China China Institute of Atomic Energy Beijing China INFN-University of Torino Turin Italy Karlsruhe Institute of Technology Institute for Theoretical Physics Karlsruhe Germany INFN-Sezione di Roma Tre Rome Italy Kutaisi International University Kutaisi Georgia Soochow University Suzhou China Budker Institute

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断路器分合闸线圈保护系统的设计与应用

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科技广场 2016年第11期 176-179页

作者：郭玄瀛余良国黄霖黎嘉明于宽义葛旭文南昌工程学院信息工程学院江西南昌330099

本文针对电力系统中断路器分(合)闸线圈经常烧毁的问题,设计了一种断路器分(合)闸线圈保护系统。通过对分(合)闸信号采集,对在一定时间内不能完成正常分(合)闸动作的断路器,将切断分(合)闸回路,以保护断路器分(合)闸线圈不被烧毁,并且... 详细信息

本文针对电力系统中断路器分(合)闸线圈经常烧毁的问题,设计了一种断路器分(合)闸线圈保护系统。通过对分(合)闸信号采集,对在一定时间内不能完成正常分(合)闸动作的断路器,将切断分(合)闸回路,以保护断路器分(合)闸线圈不被烧毁,并且当断路器拒跳时,可短时切断分(合)闸回路电源后又立即恢复,使断路器进行第二次分(合)闸操作,以提高分(合)闸的成功率,减少断路器拒动导致的越级跳闸。

关键词：断路器分合闸线圈保护成功率

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枸橼酸咖啡因与氨茶碱治疗早产儿原发性呼吸暂停的疗效及其智能发育比较

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中国新生儿科杂志 2016年第5期31卷 325-329页

作者：林法涛宋燕燕张腾伟肖旭文齐俊冶蔡岳鞠广州医科大学附属广州市妇女儿童医疗中心新生儿科 510623

目的比较枸橼酸咖啡因与氨茶碱治疗早产儿原发性呼吸暂停的临床疗效及其对智能发育的影响。方法选择2013年12月至2014年12月在我院珠江新城院区新生儿病房收治的原发性呼吸暂停早产儿,采用枸橼酸咖啡因注射液治疗,治愈出院,并在高危儿... 详细信息

目的比较枸橼酸咖啡因与氨茶碱治疗早产儿原发性呼吸暂停的临床疗效及其对智能发育的影响。方法选择2013年12月至2014年12月在我院珠江新城院区新生儿病房收治的原发性呼吸暂停早产儿,采用枸橼酸咖啡因注射液治疗,治愈出院,并在高危儿门诊随访者为咖啡因组;随机数字法抽取2011年12月至2013年12月同在我院珠江新城院区新生儿病房收治的原发性呼吸暂停早产儿,采用氨茶碱注射液治疗治愈出院,并在高危儿门诊规律随访者为氨茶碱组。比较两组治疗效果及患儿校正月龄6、12月时的智能发育情况。结果两组各纳入150例患儿。咖啡因组吸氧时间[(119.1±100.2)h比(156.5±134.1)h]、无创机械通气时间[(107.4±100.2)h比(156.7±139.8)h]、有创机械通气时间[(146.4±122.6)h比(270.9±257.2)h]短于氨茶碱组,差异均有统计学意义(P<0.05)。咖啡因组与氨茶碱组比较,动脉导管未闭(24.0%比45.3%)、支气管肺发育不良(9.3%比21.3%)发生率低于氨茶碱组,差异有统计学意义(P<0.05)。校正月龄6月时咖啡因组大运动、精细运动、个人社交发育商均高于氨茶碱组,校正月龄12月时咖啡因组大运动、精细运动、语言、适应性发育商均高于氨茶碱组,差异均有统计学意义(P<0.05)。结论枸橼酸咖啡因治疗早产儿原发性呼吸暂停的疗效优于氨茶碱,并有利于促进早产儿的智能发育。

关键词：咖啡因氨茶碱呼吸暂停婴儿,早产智能发育

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Study on Mechanical Behavior of Masonry Wall in School Building Reinforced by CFRP

Study on Mechanical Behavior of Masonry Wall in School Build...

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International Conference on Materials Engineering and Mechanical Automation (MEMA 2013)

作者： lin, Hong Yang, Zhao Wang, xuwen Ke, Xiang Wuhan Univ Technol Design & Res Inst Wuhan 430070 Peoples R China Wuhan Univ Sci & Technol Inst Urban Construct Wuhan Peoples R China

ISBN: (纸本)9783037859018

CFRP is a new kind of building materials popularly used in structure strengthening. In order to study the reinforcement technique for masonry walls of school buildings, the walls with window opening strengthened by CFRP were studied in the paper. Based on the experiment result, the finite element simulation and theoretical calculation analysis were done to study the mechanical behavior and shear capacity of the wall with window opening reinforced by CFRP. The CFRP pasted at the corner of window opening were proved to be effectively in improving shear capacity of the walls, and simple calculation formulas of shear capacity were provided in the paper, which proved to be accurate.

关键词： CFRP Masonry structure Mechanical behavior Shear capacity

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小高径比芯样混凝土抗压强度试验研究

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建筑科学 2015年第1期31卷 55-58页

作者：崔士起孔旭文林世乐周爱明山东省建筑科学研究院山东济南250031 烟台市建设工程质量监督站山东烟台264001 上海科威工程咨询监理有限公司上海201400

本文介绍采用高径比为0.6、0.8芯样检测混凝土抗压强度的试验研究,从混凝土中钻取直径100mm、75mm芯样,加工成高径比分别为0.6、0.8、1.0的芯样,进行抗压强度对比试验。试验证明:采用小高径比芯样检测混凝土抗压强度是可行的,芯样高径比... 详细信息

本文介绍采用高径比为0.6、0.8芯样检测混凝土抗压强度的试验研究,从混凝土中钻取直径100mm、75mm芯样,加工成高径比分别为0.6、0.8、1.0的芯样,进行抗压强度对比试验。试验证明:采用小高径比芯样检测混凝土抗压强度是可行的,芯样高径比H∶d与芯样抗压强度比β存在显著相关关系,通过大量试验数据回归分析,可确定不同芯样高径比H∶d与芯样抗压强度比β之间换算关系。采用小高径比芯样检测混凝土抗压强度,解决了钢筋过密易切断钢筋、板厚较小不易取芯的问题,同时可减小钻芯法检测对结构的损伤。

关键词：钻芯法高径比抗压强度比

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The Pulse Waveform and Parameters Analysis of Various Athletes Based on Radial Pulse

The Pulse Waveform and Parameters Analysis of Various Athlet...

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IEEE Workshop on Electronics, Computer and Applications (IWECA)

作者： Wang, Anran Li, xuwen Yang, lin Yang, Xingxing Meng, Lanxi Su, Jun Zhang, Song Beijing Univ Technol Coll Life Sci & Bioengn Beijing 100124 Peoples R China Beijing Muxiyuan Sports Tech Sch Beijing 100075 Peoples R China

ISBN: (纸本)9781479945658

Classify the sports events by the maximal oxygen uptake (MaxO(2)) and the maximal muscular voluntary contraction (MVC). Collect the radial pulse wave of different sports events and discuss the pulse waveform and characteristic parameters. Radial pulse waveform on 304 subjects was collected, by using PowerLab and its bundled software LabChart 7, developed by ADInstrument. Normalize each radial pulse waveform and let the waveform cycle and amplitude distribute in the range of 0.100. Analyze the relative time of the maximum point Tm, the abscissa X and ordinate Y of dicrotic notch, the pulse waveform area K and the pulse wave age index SDPTG. The pulse waveform changing trend of MVC (<50%) group and MVC (>50%) group are different while the sports have the same MaxO(2). And the pulse waveform changing trend of MaxO(2) (<40%) group, MaxO(2) (40%-70%) group and MaxO(2) (>70%) group are as well as different while the sports have the same MVC.

关键词： Athlete Pulse wave Radial artery Waveform parameter

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Development of Innovative Experiment Program for Biomedical Engineering and Research and Practice of the Practical Ability Cultivation for Undergraduates

Development of Innovative Experiment Program for Biomedical ...

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IEEE Workshop on Advanced Research and Technology in Industry Applications (WARTIA)

作者： Yang lin Zhang Song Cui Jingxuan Yang Yimin Sun Kaiji Li xuwen Li Chengjie Hao Dongmei Beijing Univ Technol Biol Engn & Life Sci Coll Beijing Peoples R China

ISBN: (纸本)9781479969890

In order to improve University Quality Education, and develop the practical ability of research and innovation of Undergraduates majoring in Biomedical Engineering, this project probes into the development of innovative experiment program for Biomedical Engineering and research on the practical ability cultivation for undergraduates from various aspects, intended to choose interesting experiment topics, encourage independent innovative experiments and efficient innovation team, on the basis of a comparison between Chinese and foreign implementation of innovative experimental program of Biomedical Engineering, combing with the applicants' teaching experiences, as well as the theories and methods in education, engineer and medicine. Moreover, it proposes a set of training hands-on ability processes with its own characteristics for Biomedical Engineering majors, which is "be experimental - participator - leader- thinking after experiment", conducive to promote students to learn by doing, research while learning and innovate in research, as well as of great significance to enhance their innovative ability to research, practical ability and comprehensive quality.

关键词： component Innovative experiment Biomedical Engineering Practical ability

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吡啶抽提对不同显微组分煤结构特征的影响

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煤炭转化 2014年第2期37卷 1-5页

作者：蔺华林李克健章序文中国神华煤制油化工有限公司上海研究院上海博士高级工程师201108

对神东上湾煤(SDR)及由其岩相分离得到的镜质组富集物(SDV)和惰质组富集物(SDI)进行了吡啶抽提,得到不同煤样的抽提率,并对抽提前后的煤样进行了13C-NMR,FTIR和XRD分析表征.结果表明,三种煤样的抽提率(质量分数)顺序为:镜质组富集物(15.... 详细信息

对神东上湾煤(SDR)及由其岩相分离得到的镜质组富集物(SDV)和惰质组富集物(SDI)进行了吡啶抽提,得到不同煤样的抽提率,并对抽提前后的煤样进行了13C-NMR,FTIR和XRD分析表征.结果表明,三种煤样的抽提率(质量分数)顺序为:镜质组富集物(15.78%)>上湾煤(13.89%)>惰质组富集物(9.45%);通过对吡啶抽提前后煤样的13C-NMR,FTIR和XRD的分析表明,吡啶抽提后三种煤样的芳香度均有所增加,抽提前后煤样的骨架结构没有发生大的变化.

关键词：煤结构吡啶抽提镜质组富集物惰质组富集物 13C-NMR

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