地铁站具有空间较为密闭且人员相对密集的特征,为避免公共安全事故发生,构建地铁站安全设备信息族库并开展应用,有助于地铁站安全设备监管和维护。基于建筑信息模型(Building Information Modeling,BIM),建立地铁站安全设备信息族库构...地铁站具有空间较为密闭且人员相对密集的特征,为避免公共安全事故发生,构建地铁站安全设备信息族库并开展应用,有助于地铁站安全设备监管和维护。基于建筑信息模型(Building Information Modeling,BIM),建立地铁站安全设备信息族库构建流程,利用Revit,基于族的定义和类型,通过自建和加载标准构件族,实现地铁站安全设备信息族库建立;采用Microsoft Visual Studio C#进行Revit二次开发,以合肥市地铁3号线安徽大学磬苑校区站为例,展示地铁站三维模型,提取和管理安全设备信息。地铁站安全设备信息族库的构建和实施有助于实现地铁站安全设备的实时高效管理,对于地铁站的安全运营和监管具有重要意义。展开更多
With the continuous development of network applications, network security equipment type and the number of growing, heterogeneous security devices is difficult synergistic, massive alarm information is difficult to de...With the continuous development of network applications, network security equipment type and the number of growing, heterogeneous security devices is difficult synergistic, massive alarm information is difficult to deal and the lack of an effective response to the treatment process as well as on security incidents. To solve these problems, the proposed design of a unified management platform for a variety of heterogeneous network security equipment. A brief introduction for the main functions of the platform.The article proposed a traffic handling mechanisms of heterogeneous security devices, allowing the platform to support heterogeneous security devices.展开更多
Ultraviolet(UV)visualization has extensive applications in military and civil fields such as security monitoring,space communication,and wearable equipment for health monitoring in the internet of things(IoT).Due to t...Ultraviolet(UV)visualization has extensive applications in military and civil fields such as security monitoring,space communication,and wearable equipment for health monitoring in the internet of things(IoT).Due to their remarkable optoelectronic features,perovskite materials are regarded as promising candidates for UV light detecting and imaging.Herein,we report for the first time the excitationdependent perovskite/polymer films with dynamically tunable fluorescence ranging from green to magenta by changing the UV excitation from 260 to 380 nm.And they still render dynamic multicolor UV light imaging with different polymer matrixes,halogen ratios,and cations of perovskite materials.The mechanism of its fluorescence change is related to the chloride vacancies in perovskite materials.A patterned multi-color ultraviolet visualization pad is also demonstrated for visible conversion of the UV region.This technique may provide a universal strategy for information securities,UV visualizations,and dynamic multi-color displays in the IoT.展开更多
文摘地铁站具有空间较为密闭且人员相对密集的特征,为避免公共安全事故发生,构建地铁站安全设备信息族库并开展应用,有助于地铁站安全设备监管和维护。基于建筑信息模型(Building Information Modeling,BIM),建立地铁站安全设备信息族库构建流程,利用Revit,基于族的定义和类型,通过自建和加载标准构件族,实现地铁站安全设备信息族库建立;采用Microsoft Visual Studio C#进行Revit二次开发,以合肥市地铁3号线安徽大学磬苑校区站为例,展示地铁站三维模型,提取和管理安全设备信息。地铁站安全设备信息族库的构建和实施有助于实现地铁站安全设备的实时高效管理,对于地铁站的安全运营和监管具有重要意义。
文摘With the continuous development of network applications, network security equipment type and the number of growing, heterogeneous security devices is difficult synergistic, massive alarm information is difficult to deal and the lack of an effective response to the treatment process as well as on security incidents. To solve these problems, the proposed design of a unified management platform for a variety of heterogeneous network security equipment. A brief introduction for the main functions of the platform.The article proposed a traffic handling mechanisms of heterogeneous security devices, allowing the platform to support heterogeneous security devices.
基金supported by the National Natural Science Foundation of China(52125205,11974317,11674290,U20A20166,U1704138,52192614,61805015,and 61804011)the National Key R&D Program of China(2021YFB3200302 and 2021YFB3200304)+5 种基金Natural Science Foundation of Beijing Municipality(Z180011 and 2222088)Shenzhen Science and Technology Program(KQTD20170810105439418)the Fundamental Research Funds for the Central UniversitiesHenan Science Fund for Distinguished Young Scholars(212300410020)Key Project of Henan Higher Education(21A140001)the Zhengzhou University Physics Discipline Improvement Program。
文摘Ultraviolet(UV)visualization has extensive applications in military and civil fields such as security monitoring,space communication,and wearable equipment for health monitoring in the internet of things(IoT).Due to their remarkable optoelectronic features,perovskite materials are regarded as promising candidates for UV light detecting and imaging.Herein,we report for the first time the excitationdependent perovskite/polymer films with dynamically tunable fluorescence ranging from green to magenta by changing the UV excitation from 260 to 380 nm.And they still render dynamic multicolor UV light imaging with different polymer matrixes,halogen ratios,and cations of perovskite materials.The mechanism of its fluorescence change is related to the chloride vacancies in perovskite materials.A patterned multi-color ultraviolet visualization pad is also demonstrated for visible conversion of the UV region.This technique may provide a universal strategy for information securities,UV visualizations,and dynamic multi-color displays in the IoT.