检索结果-南通市图书馆

同方期刊数据库

Population mobility change for controlling the transmission of COVID-19:mobile phone data analysis in nine cities of China

在线全文

学校读者我要写书评

暂无评论

Geo-Spatial Information Science 2023年第4期26卷 627-641页

作者： Jizhe Xia taicheng li Zhaoyang Yu Erzhen Chen Yang Yue Zhen li Ying Zhou Shenzhen Key Laboratory of Spatial Smart Sensing and Service Guangdong Key Laboratory of Urban InformaticsGuangdong–Hong Kong-Macao Joint Laboratory for Smart CitiesMinistry of Natural Resources(MNR)Key Laboratory for Geo-Environmental Monitoring of Great Bay AreaSchool of Architecture and Urban PlanningShenzhen UniversityShenzhenChina Ruijin Hospital School of MedicineShanghai Jiao Tong UniversityShanghaiChina Wenzhou Institute of Geotechnical Investigation and Surveying WenzhouChina

Mobility restriction measures were the main tools to control the spread of COVID-19,but the extent to which the mobility has decreased remained *** investigated the change in local population mobility and its correlation with COVID-19 infections,using 1185 billion aggregated mobile phone data records in nine main cities in China from 10 January to 24 February *** mobility fell by as much as 79.57%compared to the normal days in 2020 and by 58.13%compared to the same lunar period in *** daily incidence of COVID-19 was significantly correlated with local daily mobility(R2=0.77,Plined by 3%when mobility was reduced by 10%in the GLM analysis(Plity level,driven by a mixture effect of holiday and public health interventions,could substantially reduce the transmission of COVID-19 to a low *** study could provide evidence of mobility restriction to control local transmission for other places facing COVID-19 outbreaks or potential next waves.

关键词： COVID-19 mobile phone population mobility local transmission

硅铝二元膜包覆SrAl_(2)O_(4):Eu^(2+),Dy^(3+)荧光悬浮液显现潜在手印的研究

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

化工管理 2024年第9期 39-43页

作者：阳锞云辛翠李泰丞李轩鹏曹永林彭俊豪湖南警察学院刑事科学技术系湖南长沙410138

采用溶胶-凝胶法对SrAl_(2)O_(4):Eu^(2+),Dy^(3+)表面进行硅膜和铝膜包覆,制成硅铝二元膜包覆SrAl_(2)O_(4):Eu^(2+),Dy^(3+)荧光粉末,将该荧光粉末配制成小颗粒悬浮液后,应用于疑难复杂客体表面潜在手印的显现。研究表明,硅铝二元膜包... 详细信息

采用溶胶-凝胶法对SrAl_(2)O_(4):Eu^(2+),Dy^(3+)表面进行硅膜和铝膜包覆,制成硅铝二元膜包覆SrAl_(2)O_(4):Eu^(2+),Dy^(3+)荧光粉末,将该荧光粉末配制成小颗粒悬浮液后,应用于疑难复杂客体表面潜在手印的显现。研究表明,硅铝二元膜包覆SrAl_(2)O_(4):Eu^(2+),Dy^(3+)荧光悬浮液在365 nm紫外光照射下能够发射出明亮的绿色荧光,显出的手印纹线清晰连贯、细节特征明显,且在撤去灯光后能够持续发光,可以消除客体背景色的干扰。该悬浮液对常见渗透性客体、非渗透性客体、陈旧手印和水浸客体表面潜在手印均具有良好显现效果,特别是对背景颜色复杂、具有自体荧光的客体,其长余辉特性能够实现手印的无背景显现。

关键词：长余辉特性包覆荧光悬浮液潜在手印无背景显现

Recent progress in online detection methods of bioaerosols

在线全文

学校读者我要写书评

暂无评论

Fundamental Research 2024年第3期4卷 442-454页

作者： taicheng An Zhishu liang Zhen Chen Guiying li Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health Guangdong Key Laboratory of Environmental Catalysis and Health Risk ControlInstitute of Environmental Health and Pollution controlGuangdong University of TechnologyGuangzhou 510006China Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control Guangdong Key Laboratory of Environmental Catalysis and Health Risk ControlSchool of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China

The aerosol transmission of coronavirus disease in 2019,along with the spread of other respiratory diseases,caused significant loss of life and property;it impressed upon us the importance of real-time bioaerosol *** complexity,diversity,and large spatiotemporal variability of bioaerosols and their external/internal mixing with abiotic components pose challenges for effective online bioaerosol *** methods focus on directly capturing bioaerosols before subsequent time-consuming laboratory analysis such as culture-based methods,preventing the high-resolution time-based characteristics necessary for an online *** a comprehensive literature assessment,this review highlights and discusses the most commonly used real-time bioaerosol monitoring techniques and the associated commercially available *** applied in online bioaerosol monitoring,including adenosine triphosphate bioluminescence,laser/light-induced fluorescence spectroscopy,Raman spectroscopy,and bioaerosol mass spectrometry are *** working principles,characteristics,sensitivities,and efficiencies of these real-time detection methods are compared to understand their responses to known particle types and to contrast their *** developed to analyze the substantial data sets obtained by these instruments and to overcome the limitations of current real-time bioaerosol monitoring technologies are also ***,an outlook is proposed for future instrumentation indicating a need for highly revolutionized bioaerosol detection technologies.

关键词： Airborne microorganisms Real-time monitoring Adenosine triphosphate luminescence Laser/light-induced fluorescence Raman spectroscopy Bioaerosol mass spectrometry

Atmospheric VOCs in an industrial coking facility and the surrounding area:Characteristics,spatial distribution and source apportionment

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Environmental Sciences 2024年第4期138卷 660-670页

作者： Meicheng Wen Weiqiang Deng Jin Huang Shu Zhang Qinhao lin ChaoWang Shengtao Ma Wanjun Wang Xin Zhang Guiying li taicheng An Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health Guangdong Key Laboratory of Environmental Catalysis and Health Risk ControlInstitute of Environmental Health and Pollution controlGuangdong University of TechnologyGuangzhou 510006China Guangdong Engineering Technology Research Center for Photocatalytic Technology Integration and Equipment Guangzhou Key Laboratory of Environmental Catalysis and Pollution ControlSchool of Environmental Science and EngineeringGuangdong University of TechnologyGuangzhou 510006China Institute of Environmental Science Shanxi UniversityTaiyuan 030006China

Industrial coking facilities are an important emission source for volatile organic compounds(VOCs).This study analyzed the atmospheric VOC characteristics within an industrial coking facility and its surrounding *** concentrations of total VOCs(TVOCs)in the surrounding residential activity areas(R1 and R2),the coking facility(CF)and the control area(CA)were determined to be 138.5,47.8,550.0,and 15.0μg/m^(3),*** cold drum process and coking and quenching areas within the coking facility were identified as the main polluting *** spatial variation in VOCs composition was analyzed,showing that VOCs in the coking facility and surrounding areas were mainly dominated by aromatic compounds such as BTX(benzene,toluene,and xylenes)and naphthalene,with concentrations being negatively correlated with the distance from the coking facility(plity to surrounding residents and the development of strategies for VOC abatement.

关键词： Coking facility Volatile organic compounds Emission inventory Spatial distribution Source apportionment

在线全文

学校读者我要写书评

暂无评论

白鹤滩、乌东德水电站工程质量监督模式创新

水力发电 2022年第11期48卷 102-105页

作者：李太成水电水利规划设计总院北京100120

白鹤滩、乌东德水电站是国家重大工程,为建设世界一流精品水电站工程,可再生能源发电工程质量监督站借鉴现代管理、经济和发展理论,将宏观管理与微观管理相融合,探索实行“总站+项目站”相结合的监督新模式,以及“监督+服务+引领+共享... 详细信息

白鹤滩、乌东德水电站是国家重大工程,为建设世界一流精品水电站工程,可再生能源发电工程质量监督站借鉴现代管理、经济和发展理论,将宏观管理与微观管理相融合,探索实行“总站+项目站”相结合的监督新模式,以及“监督+服务+引领+共享”的监督新机制,取得了很好的监督成效。可为我国水电工程质量监督模式进一步完善提供参考。

关键词：工程建设质量监督监督模式白鹤滩水电站乌东德水电站可再生能源发电工程质量监督站

一种满足查询结果完整性和数据保密性的位置隐私保护方案

在线全文

学校读者我要写书评

暂无评论

计算机应用与软件 2013年第1期30卷 310-314页

作者：李泰成中国科学院研究生院信息安全国家重点实验室北京100049

针对位置服务中的隐私保护问题,基于希尔伯特空间填充曲线和基于锚点的增量查询,提出一个改进的保证查询结果完整性和数据保密性的隐私保护方案。利用希尔伯特函数的单向性性质,该方案保证了空间数据的保密性;通过查询和验证两轮交互过... 详细信息

针对位置服务中的隐私保护问题,基于希尔伯特空间填充曲线和基于锚点的增量查询,提出一个改进的保证查询结果完整性和数据保密性的隐私保护方案。利用希尔伯特函数的单向性性质,该方案保证了空间数据的保密性;通过查询和验证两轮交互过程,该方案保证了查询结果的完整性;通过变换每次增量查询的锚点,该方案还能够进一步抵抗同一地点重复查询时面临的安全攻击。方案评估与仿真表明,该方案通信开销较小,完整性验证准确率较高。

关键词：基于位置服务安全和隐私保密性保护完整性保护

在线全文

学校读者我要写书评

暂无评论

国际仲裁实务

水力发电 2006年第10期32卷 83-85,91页

作者：李太成广东核电实业开发有限公司广东深圳518029

随着中国加入WTO以及中国建筑市场逐步对外开放,采用国际仲裁方式解决施工争议将逐渐增多,熟悉国际仲裁是对外开放以及与国际接轨的需要。根据实践经验,对国际仲裁的适用法律体系、仲裁程序、仲裁地点选择、仲裁费用责任、仲裁工作组织... 详细信息

随着中国加入WTO以及中国建筑市场逐步对外开放,采用国际仲裁方式解决施工争议将逐渐增多,熟悉国际仲裁是对外开放以及与国际接轨的需要。根据实践经验,对国际仲裁的适用法律体系、仲裁程序、仲裁地点选择、仲裁费用责任、仲裁工作组织、仲裁员和律师选择、仲裁时间安排、仲裁答辩等一系列实务问题进行了系统的论述,可为将来的工程提供参考,并供从事工程管理和研究的同行借鉴。

关键词：施工争议国际仲裁实务

An overview for monitoring and prediction of pathogenic microorganisms in the atmosphere

在线全文

学校读者我要写书评

暂无评论

Fundamental Research 2024年第3期4卷 430-441页

作者： Jianping Huang Danfeng Wang Yongguan Zhu Zifeng Yang Maosheng Yao Xiaoming Shi taicheng An Qiang Zhang Cunrui Huang Xinhui Bi Jiang li Zifa Wang Yongqin liu Guibing Zhu Siyu Chen Jian Hang Xinghua Qiu Weiwei Deng Huaiyu Tian Tengfei Zhang Tianmu Chen Sijin liu Xinbo lian Bin Chen Beidou Zhang Yingjie Zhao Rui Wang Han li Collaborative Innovation Center for Western Ecological Safety College of Atmospheric SciencesLanzhou UniversityLanzhou 730000China Research Center for Eco-Environmental Sciences Chinese Academy of SciencesBeijing 100085China National Clinical Research Center for Respiratory Disease Guangzhou Institute of Respiratory HealthFirst Affiliated Hospital of Guangzhou Medical UniversityState Key Laboratory of Respiratory Disease(Guangzhou Medical University)Guangzhou 510230China College of Environmental Sciences and Engineering Peking UniversityBeijing 100871China China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijing 100021China Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure and Health School of Environmental Science and EngineeringInstitute of Environmental Health and Pollution ControlGuangdong University of TechnologyGuangzhou 510006China Ministry of Education Key Laboratory for Earth System Modeling Department of Earth System ScienceTsinghua UniversityBeijing 100084China Vanke School of Public Health Tsinghua UniversityBeijing 100084China State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhou 510640China National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Center for Pan-third Pole Environment Lanzhou UniversityLanzhou 730000China College of Atmospheric Sciences Lanzhou UniversityLanzhou 730000China School of Atmospheric Sciences Sun Yat-sen Universityand Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Zhuhai 510640

Corona virus disease 2019(COVID-19)has exerted a profound adverse impact on human *** have demonstrated that aerosol transmission is one of the major transmission routes of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2).Pathogenic microorganisms such as SARS-CoV-2 can survive in the air and cause widespread infection among *** monitoring of pathogenic microorganism transmission in the atmosphere and accurate epidemic prediction are the frontier guarantee for preventing large-scale epidemic *** of pathogenic microorganisms in the air,especially in densely populated areas,may raise the possibility to detect viruses before people are widely infected and contain the epidemic at an earlier *** multi-scale coupled accurate epidemic prediction system can provide support for governments to analyze the epidemic situation,allocate health resources,and formulate epidemic response *** review first elaborates on the effects of the atmospheric environment on pathogenic microorganism transmission,which lays a theoretical foundation for the monitoring and prediction of epidemic ***,the monitoring technique development and the necessity of monitoring pathogenic microorganisms in the atmosphere are summarized and ***,this review introduces the major epidemic prediction methods and highlights the significance to realize a multi-scale coupled epidemic prediction system by strengthening the multidisciplinary cooperation of epidemiology,atmospheric sciences,environmental sciences,sociology,demography,*** summarizing the achievements and challenges in monitoring and prediction of pathogenic microorganism transmission in the atmosphere,this review proposes suggestions for epidemic response,namely,the establishment of an integrated monitoring and prediction platform for pathogenic microorganism transmission in the atmosphere.

关键词： Aerosol transmission Epidemic monitoring methods Epidemic prediction modelsEpidemic response Multidisciplinary cooperation

Safety,immunogenicity,and preliminary efficacy of a randomized clinical trial ofomicron XBB.1.5-containing bivalent mRNA vaccine

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

hlife 2024年第3期2卷 113-125页

作者： Xuanjing Yu Wei Yang Wei li Na Wan Guanghong Yan Zumi Zhou Xiao Zhu Wei Su Yani li Chenyu Xing Sifan Duan Houze Yu Xinshuai Zhao Chunmei li taicheng Zhou Dingyun You Jia Wei Zijie Zhang State Key Laboratory for Conservation and Utilization of Bio-Resource and School of life Sciences Yunnan UniversityYunnanChina Southwest United Graduate School YunnanChina State Key Laboratory of Genetic Engineering School of Life SciencesZhongshan HospitalFudan UniversityShanghaiChina Yunnan Vaccine Laboratory YunnanChina School of Public Health Kunming Medical UniversityYunnanChina Yunnan Genvoo Biotech Ltd. YunnanChina Central Lab and liver Disease Research Center The Affiliated Hospital of Yunnan UniversityYunnan UniversityYunnanChina

Periodically updating coronavirus disease 19(COVID-19)vaccines that offer broad-spectrum protection is needed giventhe strong immune evasion by the circulating omicron *** effectiveness of prototype and BA.4/5-containing bivalent mRNA vaccines is reduced when XBB subvariants *** initiated an observer-blinded,threearms study in 376 patients in Chinese individuals aged from 18 to 55 years old who had previously received three dosesCOVID-19 *** in terms of neutralizing antibodies elicited by a 30-mg dose of XBB.1.5-containingbivalent vaccine(RQ3027),a 30-mg dose of BA.2/BA.5-Alpha/Beta bivalent vaccine(RQ3025)and their precedent 30-mg Alpha/Beta(combined mutations)monovalent mRNA vaccine(RQ3013)and safety are primary and secondary endpoints,*** recorded prescribed COVID-19 cases to explore the preliminary efficacy of three ***3027 and RQ3025 boosters elicited superior neutralizing antibodies(NAbs)against XBB.1.5,XBB.1.16,XBB.1.9.1,and JN.1 compared to RQ3013 at day 14 in participants without SARS-CoV-2 *** study vaccines were welltolerated without serious adverse reactions *** incidence rates per 1000 person-years of COVID-19 casesduring the 2nd-19th week after randomization were lowest in ***,our data show that XBB.1.5-containingbivalent booster generated superior immunogenicity and better protection against newer severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)variants compared to BA.2/BA.5-containing bivalent and Alpha/Beta monovalentwith no new safety concerns.

关键词： severe acute respiratory syndrome coronavirus 2(SARS-CoV-2) JN.1 XBB lineages coronavirus disease19(COVID-19)vaccine mRNA bivalent vaccine randomized clinical trial