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Iodine Nutrition, Thyroid-stimulating Hormone, and Related Factors of Postpartum Women from three Different Areas in China: A Cross-sectional Survey

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Biomedical and Environmental Sciences 2024年第3期37卷 254-265页

作者： SHAN Xiao Yun ZOU Yan HUANG Li Chun JIANG Shan ZHOU Wei Wen QIN Qiu Lan LIU Chang Qing LUO Xiao Yan LU Jia Xi MAO De Qian LI Min YANG Zhen Yu YANG Li Chen Key Laboratory of Trace Element Nutrition of National Health Committee National Institute for Nutrition and HealthChinese Center for Disease Control and PreventionBeijing 100050China Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards School of Public HealthHengyang Medical SchoolUniversity of South ChinaHengyang 241001HunanChina Zhejiang Provincial center for Disease Prevention and control Hangzhou 310051ZhejiangChina Guangxi Zhuang Autonomous Region center for Disease control and Prevention Nanning 530028GuangxiChina Hebei Provincial center for Disease control and Prevention Shijiazhuang 050021HebeiChina

Objective Studies on the relationship between iodine,vitamin A(VA),and vitamin D(VD)and thyroid function are *** study aimed to analyze iodine and thyroid-stimulating hormone(TSH)status and their possible relationships with VA,VD,and other factors in postpartum *** A total of 1,311 mothers(896 lactating and 415 non-lactating)from Hebei,Zhejiang,and Guangxi provinces were included in this *** urinary iodine concentration(UIC),TSH,VA,and VD were *** The median UIC of total and lactating participants were 142.00µg/L and 139.95µg/L,*** median TSH,VA,and VD levels in all the participants were 1.89 mIU/L,0.44μg/mL,and 24.04 ng/mL,*** differences in the UIC were found between lactating and non-lactating *** and TSH levels were significantly different among the three *** rural UIC was higher than the urban *** mothers had a higher UIC and a higher prevalence of excessive *** UICs and TSHs levels were observed in both the VD deficiency and insufficiency groups than in the VD-sufficient *** adjustment,no linear correlation was observed between UIC and VA/*** interaction was found between vitamins A/D and UIC on TSH *** The mothers in the present study had no iodine ***,area type,BMI,and VD may be related to the iodine status or TSH levels.

关键词： Median urinary iodine concentration Thyroid-stimulating hormone Vitamin A Vitamin D Postpartum women

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High-precision analytical solutions for Earth coverage of constellation equipped with reentry glide vehicles

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Chinese Journal of Aeronautics 2024年第9期37卷 385-398页

作者： Ping MA Weibo SUN Jie GAO Tao CHAO control and Simulation center Harbin Institute of TechnologyHarbin 150001China Beijing Institute of Spacecraft System Engineering Beijing 100094China

To efficiently and accurately design satellite constellations equipped with Reentry Glide Vehicles(RGVs),new analytical solutions are developed for calculating their coverage ***,a new coverage model is established by approximating the Reentry Reachable Domain(RRD).However,the computation of real-time relative distances between satellites and targets,which is essential for coverage analysis based on this model,imposes a significant compu-tational *** address this challenge,a coverage analysis method based on two-dimensional map theory is *** method represents the coverage conditions of a target as a fixed area on a two-dimensional map and transforms the satellite trajectory into a series of parallel *** determining the intersection points between these lines and the area boundaries,the coverage ana-lytical solutions for a target point are *** this basis,coverage theorems are presented for rapid calculation of the constellation coverage performance for an *** results demon-strate the effectiveness and high precision of the proposed analytical solutions.

关键词： Constellation Analytical solutions Reentry glide vehicle Reentry reachable domain Two-dimensional map

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Seasonal and Genetic Characteristics of Human Metapneumovirus Circulating—Henan Province,China,2017-2023

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China CDC weekly 2024年第20期6卷 450-456,I0001页

作者： Zhibo Xie Zhen Zhu Jin Xu Naiying Mao Aili Cui Wenhui Wang Yage Wang Zhibo Zhang Baicheng Xia Haoran Wang Zhen Sun Yan Zhang National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases NHC Key Laboratory of Medical Virology and Viral DiseaseNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and PreventionBeijingChina Henan Provincial center for Disease control and Prevention Luohe CityHenan ProvinceChina Luohe center for Disease control and Prevention Luohe CityHenan ProvinceChina Luohe Central Hospital Luohe CityHenan ProvinceChina

Introduction:This study examines the seasonal and genetic characteristics of human metapneumovirus(HMPV)in Henan from 2017 to ***:Samples from patients with acute respiratory infection(ARI)testing positive for HMPV were subjected to real-time reverse transcription polymerase chain reaction The G gene was amplified and sequenced from these samples for epidemiological and phylogenetic ***:We enrolled 2,707 ARI patients from October 2017 to March 2023,finding an HMPV positivity rate of 6.17%(167/2,707).Children under five exhibited the highest infection rate at 7.78%(138/1,774).The 2018 and 2019 HMPV outbreaks predominantly occurred in spring(March to May),with peak positivity rates of 31.11%in May 2018 and 19.57%in May 2019.A notable increase occurred in November 2020,when positivity reached a historic high of 42.11%,continuing until January *** February 2021 through March 2023,no significant seasonal peaks were observed,with rates ranging from 0%to 8.70%.Out of 81 G gene sequences analyzed,46.91%(38/81)were identified as subtype A(A2c:45.67%,37/81;A2b:1.23%,1/81)and 53.09%(43/81)as subtype B(B1:9.88%,8/81;B2:43.21%,35/81).Notably,an AAABBA switch pattern was observed in HMPV *** dominant strains were A2c111nt-dup in subtype A and B2 in subtype ***:Six years of surveillance in Henan Province has detailed the seasonal and genetic dynamics of HMPV,contributing valuable insights for the control and prevention of HMPV infections in *** findings support the development of targeted HMPV vaccines and immunization strategies.

关键词： prevention finding seasonal

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Cloud-Edge Collaborative Federated GAN Based Data Processing for IoT-Empowered Multi-Flow Integrated Energy Aggregation Dispatch

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Computers, Materials & Continua 2024年第7期80卷 973-994页

作者： Zhan Shi Electric Power Dispatching control center Guangdong Power Grid Co.Ltd.Guangzhou510030China

The convergence of Internet of Things(IoT),5G,and cloud collaboration offers tailored solutions to the rigorous demands of multi-flow integrated energy aggregation dispatch data *** generative adversarial networks(GANs)are instrumental in resource scheduling,their application in this domain is impeded by challenges such as convergence speed,inferior optimality searching capability,and the inability to learn from failed decision making ***,a cloud-edge collaborative federated GAN-based communication and computing resource scheduling algorithm with long-term constraint violation sensitiveness is proposed to address these *** proposed algorithm facilitates real-time,energy-efficient data processing by optimizing transmission power control,data migration,and computing resource *** employs federated learning for global parameter aggregation to enhance GAN parameter updating and dynamically adjusts GAN learning rates and global aggregation weights based on energy consumption constraint *** results indicate that the proposed algorithm effectively reduces data processing latency,energy consumption,and convergence time.

关键词： IoT federated learning generative adversarial network data processing multi-flowintegration energy aggregation dispatch

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RL and AHP-Based Multi-Timescale Multi-Clock Source Time Synchronization for Distribution Power Internet of Things

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Computers, Materials & Continua 2024年第3期78卷 4453-4469页

作者： Jiangang Lu Ruifeng Zhao Zhiwen Yu Yue Dai Kaiwen Zeng Electric Power Dispatching and control center Guangdong Power Grid Co.Ltd.Guangzhou510600China

Time synchronization(TS)is crucial for ensuring the secure and reliable functioning of the distribution power Internet of Things(IoT).Multi-clock source time synchronization(MTS)has significant advantages of high reliability and accuracy but still faces challenges such as optimization of the multi-clock source selection and the clock source weight calculation at different timescales,and the coupling of synchronization latency jitter and pulse phase *** this paper,the multi-timescale MTS model is conducted,and the reinforcement learning(RL)and analytic hierarchy process(AHP)-based multi-timescale MTS algorithm is designed to improve the weighted summation of synchronization latency jitter standard deviation and average pulse phase ***,the multi-clock source selection is optimized based on Softmax in the large timescale,and the clock source weight calculation is optimized based on lower confidence bound-assisted AHP in the small *** shows that the proposed algorithm can effectively reduce time synchronization delay standard deviation and average pulse phase difference.

关键词： Multi-clock source time synchronization(TS) power Internet of Things reinforcement learning analytic hierarchy process

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Novel berberine derivatives as adjuvants in the battle against Acinetobacter baumannii: A promising strategy for combating multi-drug resistance

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Chinese Chemical Letters 2024年第10期35卷 334-340页

作者： Liping Zhao Xixi Guo Zhimeng Zhang Xi Lu Qingxuan Zeng Tianyun Fan Xintong Zhang Fenbei Chen Mengyi Xu Min Yuan Zhenjun Li Jiandong Jiang Jing Pang Xuefu You Yanxiang Wang Danqing Song Beijing Key Laboratory of Antimicrobial Agents Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100050China State Key Laboratory for Infectious Diseases Prevention and control Collaborative Innovation Center for Diagnosis and Treatment of Infectious DiseaseNational Institute for Communicable Disease Control and PreventionChinese Center for Disease Control and PreventionBeijing 102206China

The development of resistance against most of the available antibiotics has made Acinetobacter baumannii(***)a pathogen of high *** this study,thirty novel berberine derivatives are rationally designed,synthesized,and evaluated for their synergistic antibacterial activities against *** them,compound 2d shows the most potent synergetic effect to aztreonam against ***,including carbapenem-resistant and extended-spectrumβ-lactamases-producing ***,synergistic effects were observed for the combinations of 2d and different antibacterial used in clinical practices,indicating its potent broad-spectrum antibiotic-sensitizing effects against *** combination of 2d and aztreonam significantly improves the survival rates of *** larvae compared with aztreonam treatment *** studies indicate that 2d inhibits the drug efflux and iron acquisition of the bacteria by targeting the AdeB transporter protein,thus achieving a synergistic antimicrobial efficacy with different antibacterial ***,berberine derivatives represent a new family of antimicrobial adjuvants against ***,with the advantage of dual-function antibacterial effect,and are worthy of further investigation.

关键词： Acinetobacter baumannii Berberine derivatives Rational design Synergistic effect Eflux Ironacquisition

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Mushroom Poisoning Outbreaks—China,2023

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China CDC weekly 2024年第4期6卷 64-68,I0001-I0005页

作者： Haijiao Li Yizhe Zhang Hongshun Zhang Jing Zhou Zuohong Chen Jiaqi Liang Yu Yin Qian He Shaofeng Jiang Yutao Zhang Yuan Yuan Nan Lang Bowen Cheng Jiaju Zhong Zhongfeng Li Chengye Sun National Institute of Occupational Health and Poison control Chinese Center for Disease Control and PreventionBeijingChina College of Life Sciences Hunan Normal UniversityChangsha CityHunan ProvinceChina

What is already known about this topic?Mushroom poisoning poses a significant food safety concern in China,with a total of 196 species identified in poisoning incidents by the end of *** is added by this report?In 2023,the China CDC conducted an investigation into 505 cases of mushroom poisoning spanning 24 provincial-level administrative *** investigation resulted in 1,303 patients and 16 deaths,yielding a case fatality rate of 1.23%.A total of 97 mushrooms were identified as the cause of 6 distinct clinical disease types,with 12 species newly documented as poisonous mushrooms in *** are the implications for public health practice?Close collaboration among CDC staff,physicians,and mycologists remains crucial for the control and prevention of mushroom poisoning in the future.

关键词： prevention yielding poisoning

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A Review of the Latest control Strategies for Mosquito-Borne Diseases

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China CDC weekly 2024年第33期6卷 852-856页

作者： Jing Ni Jinna Wang Chunfu Fang Wenrong Zhang Zhenyu Gong School of Public Health Hangzhou Medical CollegeHangzhou CityZhejiang ProvinceChina Department of Communicable Disease control and Prevention Zhejiang Provincial Center for Disease Control and PreventionHangzhou CityZhejiang ProvinceChina Quzhou center for Disease control and Prevention Quzhou CityZhejiang ProvinceChina

Mosquito-borne diseases are persistent and potentially severe posing a threat to global pandemic *** risk of mosquito-borne virus transmission is rapidly increasing due to the unprecedented spread of viruses such as dengue and chikungunya,the disruption of global mosquito-borne disease control efforts following the emergence of coronavirus diseases 2019(COVID-19)in 2019,global warming,and human *** address this global challenge,various innovative mosquito control technologies are being developed *** paper summarizes the latest advances in mosquito vector control,focusing on China’s latest mosquito control strategies,to provide insights into implementing novel mosquito-borne disease control measures.

关键词： diseases warming insight

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Trends and Spatial Pattern Analysis of Typhoid and Paratyphoid Fever Incidence — Yunnan Province, China, 1989–2022

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China CDC weekly 2024年第41期6卷 1049-1053,I0001,I0002页

作者： Xiulian Shen Liqiong Zhang Lining Guo Jibo He Weijun Yu Epidemic Surveillance/Public Health Emergency Response center Yunnan Provincial Center for Disease Control and PreventionKunming CityYunnan ProvinceChina Department of Intervention Research Yunnan Institute for Drug AbuseKunming CityYunnan ProvinceChina Hunnan District center for Disease control and Prevention Shenyang CityLiaoning ProvinceChina Institute for Prevention and control of Infection and Infectious Diseases Liaoning Provincial Center for Disease Control and PreventionShenyang CityLiaoning ProvinceChina.

Introduction:This study explored the incidence trends and spatial clustering of typhoid and paratyphoid fever(TPF)in Yunnan Province to provide scientific evidence for developing and improving prevention and control ***:Temporal trends were investigated by calculating the annual percent change(APC)and average annual percent change(AAPC),along with their 95%confidence intervals(CIs).The spatial clustering of TPF across Yunnan Province was examined using global Moran’s I and local indicators of spatial association(LISA)***:A total of 206,066 TPF cases were reported in Yunnan Province from 1989 to 2022,with an average annual incidence of 13.98 per 100,000 population and a case fatality rate of 2.5 per 1,*** greatest number of cases was reported during July and *** 25–34-year age group had the highest incidence,and farmers were prominently *** incidence in Yunnan Province showed a significant decrease and spatial *** 2005 to 2022,13 county-level cities/counties/municipal districts in 5 prefectures(cities)in Yunnan Province were identified as statistically significant H-H spatial clusters of TPF incidence.A total of 24 TPF outbreaks were reported in Yunnan Province from 2005 to ***:The incidence of TPF in Yunnan Province showed a significant decrease and spatial *** strategies should focus on highincidence areas,seasons,and populations to reduce the incidence of TPF.

关键词： Spatial prevention district

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Diagnosis,Treatment,and Associated Factors Among Patients with HCV Infection—Jiangsu Province,China,2004–2020

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China CDC weekly 2024年第1期6卷 1-5,I0001-I0003页

作者： Dandan Yang Jing Lu Zhi Zhang Chuanwu Sun Zhuping Xu Yao Qi XiaoXia Liu Huan Ding Feifei Chai Zhengdong Zhang Baoli Zhu Department of Genetic Toxicology The Key Laboratory of Modern Toxicology of Ministry of EducationCenter for Global HealthSchool of Public HealthNanjing Medical UniversityNanjing CityJiangsu ProvinceChina Department of Sexually Transmitted Diseases and AIDS Center for Disease Control and Prevention of Jiangsu ProvinceNanjing CityJiangsu ProvinceChina Department of Sexually Transmitted Diseases and AIDS Center for Disease Control and Prevention of XuzhouXuzhou CityJiangsu ProvinceChina Department of Sexually Transmitted Diseases and AIDS Center for Disease Control and Prevention of WuxiWuxi CityJiangsu ProvinceChina Department of Sexually Transmitted Diseases and AIDS Center for Disease Control and Prevention of YanchengYancheng CityJiangsu ProvinceChina Department of Sexually Transmitted Diseases and AIDS Center for Disease Control and Prevention of ZhenjiangZhenjiang CityJiangsu ProvinceChina.

What is already known on this topic?The global efforts to address the hepatitis C virus(HCV)are progressing,but there are still significant gaps in the diagnosis and treatment of HCV,leading to an increasing number of deaths related to *** is added by this report?An extensive investigation was conducted to assess HCV RNA diagnosis,treatment uptake,and associated factors among individuals infected with HCV within Jiangsu *** study encompassed a large geographical area and utilized a substantial sample *** are the implications for public health practice?Implementing focused interventions to improve the timely diagnosis of HCV RNA and increase the uptake of HCV treatment could effectively reduce the future burden of HCV-related health problems,deaths,and healthcare *** is essential for achieving the global target of eliminating hepatitis C.

关键词： diagnosis utilized Jiangsu

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