An emergency platform is an informatization support platform for disaster information perception,disaster situa-tional awareness,and emergency decision command.This is a key tool for ensuring the efficiency and effect...An emergency platform is an informatization support platform for disaster information perception,disaster situa-tional awareness,and emergency decision command.This is a key tool for ensuring the efficiency and effectiveness of emergency responses.Numerous large countries have conducted in-depth research on the key technologies of emergency platforms.Over the past 20 years,with the reform of emergency management mechanisms,China has developed two generations of emergency platform systems.This paper reviews the two generations of emergency platforms and summarizes their key technologies including multi-source-based monitoring and early warning,multi-hazard risk assessment,“scenario-response”-based decision support,synthetical forecasting based on in-cident chain,and emergency common operational picture(COP)for command and dispatch.Future research directions for the next generation emergency platforms are also proposed.展开更多
Background Precise diagnosis and rapid treatment for acute complex intracranial hemorrhage(ICH)are crucial.The neurosurgical hybrid operating platform integrates traditional open neurosurgery operating room functional...Background Precise diagnosis and rapid treatment for acute complex intracranial hemorrhage(ICH)are crucial.The neurosurgical hybrid operating platform integrates traditional open neurosurgery operating room functionalities with endovascular therapy capabilities and is developing in the neurosurgical practice.However,its effect on the emergent complicated neurovascular cases needs pilot exploration.Methods In this prospective study,a total of 103 cases of both spontaneous and non-spontaneous ICH were consecutively recruited between June 2019 and June 2023.Demographic data,including age,gender distribution,and types of hemorrhage,were collected.Surgical interventions were tailored based on DSA,including spontaneous and non-spontaneous hemorrhages.Functional outcomes were assessed using the modified Rankin Scale(mRS)preoperatively and postoperatively.Results Over the study period from June 2019 to June 2023,a cohort of 103 ICH cases underwent emergency hybrid surgical treatment utilizing the E-HOPE platform.Among these cases,88 were classified as spontaneous ICH,while 15 were non-spontaneous.The mean age at diagnosis for the entire cohort was 54.0±3.7 years,with a slight predominance of male patients.Spontaneous ICH encompassed a diverse spectrum of etiologies,including arteriovenous malformations,aneurysms,arteriovenous fistulas,cavernous malformations,moyamoya disease,and cryptogenic hemorrhages.Surgical interventions were tailored to address the specific pathology.Notably,improvements in mRS scores were observed in a majority of cases,with some patients experiencing stabilization or deterioration postoperatively.Non-spontaneous cases(n=15)were primarily iatrogenic(n=13)due to tumors adjacent to the internal carotid artery,necessitating stent graft deployment.Surgical approaches,including stent graft deployment and middle meningeal artery embolization,were effective in managing these cases.Postoperative functional outcomes varied depending on the nature of the hemorrhage,with a subset of patients demonstrating improvement in mRS scores while others showed no significant change.Conclusions Emergency hybrid surgical treatment utilizing the E-HOPE platform offers promising outcomes for ICH patients.Tailored surgical approaches result in favorable postoperative functional outcomes,highlighting the importance of a multidisciplinary approach in managing these complex cases.展开更多
Optical neural networks(ONNs)are a class of emerging computing platforms that leverage the properties of light to perform ultra-fast computations with ultra-low energy consumption.ONNs often use CCD cameras as the out...Optical neural networks(ONNs)are a class of emerging computing platforms that leverage the properties of light to perform ultra-fast computations with ultra-low energy consumption.ONNs often use CCD cameras as the output layer.In this work,we propose the use of perovskite solar cells as a promising alternative to imaging cameras in ONN designs.Solar cells are ubiquitous,versatile,highly customizable,and can be fabricated quickly in laboratories.Their large acquisition area and outstanding efficiency enable them to generate output signals with a large dynamic range without the need for amplification.Here we have experimentally demonstrated the feasibility of using perovskite solar cells for capturing ONN output states,as well as the capability of single-layer random ONNs to achieve excellent performance even with a very limited number of pixels.Our results show that the solar-cell-based ONN setup consistently outperforms the same setup with CCD cameras of the same resolution.These findings highlight the potential of solar-cell-based ONNs as an ideal choice for automated and battery-free edge-computing applications.展开更多
基金the China National Natural Science Foundation(Grant Nos.72104123,72004113,and 71790613).
文摘An emergency platform is an informatization support platform for disaster information perception,disaster situa-tional awareness,and emergency decision command.This is a key tool for ensuring the efficiency and effectiveness of emergency responses.Numerous large countries have conducted in-depth research on the key technologies of emergency platforms.Over the past 20 years,with the reform of emergency management mechanisms,China has developed two generations of emergency platform systems.This paper reviews the two generations of emergency platforms and summarizes their key technologies including multi-source-based monitoring and early warning,multi-hazard risk assessment,“scenario-response”-based decision support,synthetical forecasting based on in-cident chain,and emergency common operational picture(COP)for command and dispatch.Future research directions for the next generation emergency platforms are also proposed.
基金supported by the National Key Research and Development Program of China(2016YFC1301800).
文摘Background Precise diagnosis and rapid treatment for acute complex intracranial hemorrhage(ICH)are crucial.The neurosurgical hybrid operating platform integrates traditional open neurosurgery operating room functionalities with endovascular therapy capabilities and is developing in the neurosurgical practice.However,its effect on the emergent complicated neurovascular cases needs pilot exploration.Methods In this prospective study,a total of 103 cases of both spontaneous and non-spontaneous ICH were consecutively recruited between June 2019 and June 2023.Demographic data,including age,gender distribution,and types of hemorrhage,were collected.Surgical interventions were tailored based on DSA,including spontaneous and non-spontaneous hemorrhages.Functional outcomes were assessed using the modified Rankin Scale(mRS)preoperatively and postoperatively.Results Over the study period from June 2019 to June 2023,a cohort of 103 ICH cases underwent emergency hybrid surgical treatment utilizing the E-HOPE platform.Among these cases,88 were classified as spontaneous ICH,while 15 were non-spontaneous.The mean age at diagnosis for the entire cohort was 54.0±3.7 years,with a slight predominance of male patients.Spontaneous ICH encompassed a diverse spectrum of etiologies,including arteriovenous malformations,aneurysms,arteriovenous fistulas,cavernous malformations,moyamoya disease,and cryptogenic hemorrhages.Surgical interventions were tailored to address the specific pathology.Notably,improvements in mRS scores were observed in a majority of cases,with some patients experiencing stabilization or deterioration postoperatively.Non-spontaneous cases(n=15)were primarily iatrogenic(n=13)due to tumors adjacent to the internal carotid artery,necessitating stent graft deployment.Surgical approaches,including stent graft deployment and middle meningeal artery embolization,were effective in managing these cases.Postoperative functional outcomes varied depending on the nature of the hemorrhage,with a subset of patients demonstrating improvement in mRS scores while others showed no significant change.Conclusions Emergency hybrid surgical treatment utilizing the E-HOPE platform offers promising outcomes for ICH patients.Tailored surgical approaches result in favorable postoperative functional outcomes,highlighting the importance of a multidisciplinary approach in managing these complex cases.
基金support from the Carnegie Trust for the Universities of ScotlandPRIN 2022597MBS PHERMIACsupported by the European Research Council(ERC)under the European Union Horizon 2020 Research and Innovation Program(Grant Agreement No.819346)。
文摘Optical neural networks(ONNs)are a class of emerging computing platforms that leverage the properties of light to perform ultra-fast computations with ultra-low energy consumption.ONNs often use CCD cameras as the output layer.In this work,we propose the use of perovskite solar cells as a promising alternative to imaging cameras in ONN designs.Solar cells are ubiquitous,versatile,highly customizable,and can be fabricated quickly in laboratories.Their large acquisition area and outstanding efficiency enable them to generate output signals with a large dynamic range without the need for amplification.Here we have experimentally demonstrated the feasibility of using perovskite solar cells for capturing ONN output states,as well as the capability of single-layer random ONNs to achieve excellent performance even with a very limited number of pixels.Our results show that the solar-cell-based ONN setup consistently outperforms the same setup with CCD cameras of the same resolution.These findings highlight the potential of solar-cell-based ONNs as an ideal choice for automated and battery-free edge-computing applications.
