The fragmented design of intelligent transportation systems creates isolated intelligent systems.Resource competition and information gaps are fierce and widespread,worsening traffic issues and degrading overall servi...The fragmented design of intelligent transportation systems creates isolated intelligent systems.Resource competition and information gaps are fierce and widespread,worsening traffic issues and degrading overall service levels.Therefore,empowered by advanced technologies,an evolution toward an autonomous transportation system(ATS)is observed.This evolution aims to develop a collaborative and sustainable ecosystem,prompting interoperability within the cloud-edge-device continuum.展开更多
目的探讨广西原发性肝癌患者血清中微囊藻毒素-LR(microcystin-LR,MC-LR)的空间分布规律。方法采集2015—2017年广西14个地级市原发性肝癌患者的静脉血,并采集当地的生活饮用水,采用酶联免疫吸附法测定血清和饮用水中的MC-LR浓度。采用...目的探讨广西原发性肝癌患者血清中微囊藻毒素-LR(microcystin-LR,MC-LR)的空间分布规律。方法采集2015—2017年广西14个地级市原发性肝癌患者的静脉血,并采集当地的生活饮用水,采用酶联免疫吸附法测定血清和饮用水中的MC-LR浓度。采用地理信息系统(geographic information system,GIS)空间插值分析技术和全局空间自相关评估广西肝癌患者血清中MC-LR浓度的空间分布特征及空间聚集性。采用GIS叠加分析观察血清中MC-LR与饮用水中MC-LR的空间分布吻合程度,并采用Pearson相关分析两者的相关程度。结果 GIS绘图显示广西肝癌患者血清中MC-LR浓度呈现'南高北低'的分布规律:高值地区主要包括崇左市、南宁市、防城港市和钦州市,低值地区主要包括桂林市等。全局自相关分析结果显示,广西肝癌患者血清中MC-LR浓度存在空间聚集性。GIS叠加分析显示,肝癌患者血清中MC-LR浓度的空间分布与饮用水中MC-LR浓度的空间分布吻合度较高。肝癌患者血清中MC-LR浓度与饮用水中MC-LR浓度呈统计学正相关(P<0.05)。结论广西地区原发性肝癌患者血清MC-LR浓度存在空间异质性,可能与当地饮用水中MC-LR的水平有关。展开更多
基金supported by the National Key Research and Development Program of China(2023YFB4301900)the National Natural Science Foundation of China(52125208)+1 种基金the Guangdong Basic and Applied Basic Research Foundation(2023A1515012895)the Department of Science and Technology of Guangdong Province(2021QN02S161).
文摘The fragmented design of intelligent transportation systems creates isolated intelligent systems.Resource competition and information gaps are fierce and widespread,worsening traffic issues and degrading overall service levels.Therefore,empowered by advanced technologies,an evolution toward an autonomous transportation system(ATS)is observed.This evolution aims to develop a collaborative and sustainable ecosystem,prompting interoperability within the cloud-edge-device continuum.
文摘目的探讨广西原发性肝癌患者血清中微囊藻毒素-LR(microcystin-LR,MC-LR)的空间分布规律。方法采集2015—2017年广西14个地级市原发性肝癌患者的静脉血,并采集当地的生活饮用水,采用酶联免疫吸附法测定血清和饮用水中的MC-LR浓度。采用地理信息系统(geographic information system,GIS)空间插值分析技术和全局空间自相关评估广西肝癌患者血清中MC-LR浓度的空间分布特征及空间聚集性。采用GIS叠加分析观察血清中MC-LR与饮用水中MC-LR的空间分布吻合程度,并采用Pearson相关分析两者的相关程度。结果 GIS绘图显示广西肝癌患者血清中MC-LR浓度呈现'南高北低'的分布规律:高值地区主要包括崇左市、南宁市、防城港市和钦州市,低值地区主要包括桂林市等。全局自相关分析结果显示,广西肝癌患者血清中MC-LR浓度存在空间聚集性。GIS叠加分析显示,肝癌患者血清中MC-LR浓度的空间分布与饮用水中MC-LR浓度的空间分布吻合度较高。肝癌患者血清中MC-LR浓度与饮用水中MC-LR浓度呈统计学正相关(P<0.05)。结论广西地区原发性肝癌患者血清MC-LR浓度存在空间异质性,可能与当地饮用水中MC-LR的水平有关。