目的总结虚拟现实技术用于缓和医疗的基本内容,分析其应用效果和现存问题,为进一步规范和优化虚拟现实技术的应用提供依据。方法系统检索PubMed、Embase、CINAHL、Web of Science、Cochrane Library、中国知网、万方数据、维普网、中国...目的总结虚拟现实技术用于缓和医疗的基本内容,分析其应用效果和现存问题,为进一步规范和优化虚拟现实技术的应用提供依据。方法系统检索PubMed、Embase、CINAHL、Web of Science、Cochrane Library、中国知网、万方数据、维普网、中国生物医学文献数据库中的相关研究。检索时间为建库至2023年2月18日,由2名研究人员独立筛选并提取资料。结果共纳入16篇文献。虚拟现实技术干预主要内容要素为个性化视频课程、自然风景视频、特制生命回顾课程的沉浸式和非沉浸式体验,干预的有效性和可行性已得到初步证实。结论虚拟现实技术在缓和医疗中的应用处于起步阶段,具有使用前景。未来仍需要开展大样本、高质量的随机对照试验来验证虚拟现实技术在缓和医疗中的应用效果,为制定最佳虚拟现实技术干预方案提供循证依据。展开更多
An efficient electrocatalyst is indispensable to significantly reduce energy consumption and accelerate the conversion efficiency of water splitting.In this work,the honeycomb-like porous MoCo alloy on nitrogen-doped ...An efficient electrocatalyst is indispensable to significantly reduce energy consumption and accelerate the conversion efficiency of water splitting.In this work,the honeycomb-like porous MoCo alloy on nitrogen-doped three-dimensional(3D)porous graphene substrate(Mo_(0.3)Co_(0.7)@NPG)has been synthesized from the annealing of layered double hydroxide(MoCo-LDH@NPG).Especially,the Mo_(0.3)Co_(0.7)@NPG exhibits low hydrogen evolution overpotential of 75 mV(10 mA·cm^(-2))and a Tafel slope of 69.9 mV·dec^(-1),which can be attributed to highly conductive NPG substrate,the unique nanostructure and the synergistic effect of Mo and Co.Moreover,the Mo_(0.3)Co_(0.7)@NPG can maintain the original morphology and high catalytic activity after 50-h stability test.This work proposes a general strategy to synthesize a multi-element alloy on conductive substrates with high porosity for electrocatalytic reaction.展开更多
文摘目的总结虚拟现实技术用于缓和医疗的基本内容,分析其应用效果和现存问题,为进一步规范和优化虚拟现实技术的应用提供依据。方法系统检索PubMed、Embase、CINAHL、Web of Science、Cochrane Library、中国知网、万方数据、维普网、中国生物医学文献数据库中的相关研究。检索时间为建库至2023年2月18日,由2名研究人员独立筛选并提取资料。结果共纳入16篇文献。虚拟现实技术干预主要内容要素为个性化视频课程、自然风景视频、特制生命回顾课程的沉浸式和非沉浸式体验,干预的有效性和可行性已得到初步证实。结论虚拟现实技术在缓和医疗中的应用处于起步阶段,具有使用前景。未来仍需要开展大样本、高质量的随机对照试验来验证虚拟现实技术在缓和医疗中的应用效果,为制定最佳虚拟现实技术干预方案提供循证依据。
基金supported by the National Natural Science Foundation of China(Nos.52272296 and 51502092)the Fundamental Research Funds for the Central Universities(Nos.JKD01211601 and 1222201718002)the National Overseas High-Level Talent Youth Program in China and the Eastern Scholar Project of Shanghai。
文摘An efficient electrocatalyst is indispensable to significantly reduce energy consumption and accelerate the conversion efficiency of water splitting.In this work,the honeycomb-like porous MoCo alloy on nitrogen-doped three-dimensional(3D)porous graphene substrate(Mo_(0.3)Co_(0.7)@NPG)has been synthesized from the annealing of layered double hydroxide(MoCo-LDH@NPG).Especially,the Mo_(0.3)Co_(0.7)@NPG exhibits low hydrogen evolution overpotential of 75 mV(10 mA·cm^(-2))and a Tafel slope of 69.9 mV·dec^(-1),which can be attributed to highly conductive NPG substrate,the unique nanostructure and the synergistic effect of Mo and Co.Moreover,the Mo_(0.3)Co_(0.7)@NPG can maintain the original morphology and high catalytic activity after 50-h stability test.This work proposes a general strategy to synthesize a multi-element alloy on conductive substrates with high porosity for electrocatalytic reaction.