AGI(Artificial General Intelligence,通用人工智能)的发展与应用,正深刻影响着各个领域。创新创业教育作为培养具有创新精神和创业能力人才的重要途径,也不可避免地受到AGI的冲击和影响。例如,智能体辅导系统、虚拟学习环境等AGI技术...AGI(Artificial General Intelligence,通用人工智能)的发展与应用,正深刻影响着各个领域。创新创业教育作为培养具有创新精神和创业能力人才的重要途径,也不可避免地受到AGI的冲击和影响。例如,智能体辅导系统、虚拟学习环境等AGI技术支持下的智能学习工具和平台,为学生提供更加个性化、多样化学习途径的同时,也改变了对学生的能力要求,即学生应具备人机协作能力,如熟练使用各类智能学习工具和平台等。展开更多
Ce-β-Bi_(2)O_(3)/AgI was prepared using solvothermal calcination and in-situ deposition methods.The introduction of Ce can inhibit the conversion of Bi_(2)O_(3)fromβtoαphase at high temperatures,promoting the forma...Ce-β-Bi_(2)O_(3)/AgI was prepared using solvothermal calcination and in-situ deposition methods.The introduction of Ce can inhibit the conversion of Bi_(2)O_(3)fromβtoαphase at high temperatures,promoting the formation of oxygen vacancies(OVs)in the photocatalyst.OVs can adsorb more dissolved oxygen to promote the formation rate of·O^(-)_(2).Moreover,the interaction between Ce-Bi_(2)O_(3)and AgI results in the formation of Z-scheme heterojunctions,which can broaden the light absorption region,facilitate photogenerated carrier separation and transfer and enhance the ability to produce more active oxygen species(ROS).The morphology,crystal,element distribution and photo-electric chemical properties of the Ce-Bi_(2)O_(3)/AgI were analyzed,and the result shows that the optimal ratio of Ce-Bi_(2)O_(3)/AgI photocatalyst achieves a removal rate of 88.63%(180 min)of tetracycline(TC)(20 mg/L)and 100%(120 min)of methyl orange(MO)(20 mg/L).This work clarified the photocatalytic degradation mechanism,providing a promising avenue for developing photocatalytic composites by rare earth metal doping in environme ntal remediation applications.展开更多
快速发展的通用人工智能技术有助于赋能信息传播空间的快速发展,同时也重塑了网络空间信息传播的生态与机制。在通用人工智能时代,网络谣言的传播扩散特征均发生了质性改变,其在各类社交平台的生产数量以及传播扩散速度不仅呈几何倍数增...快速发展的通用人工智能技术有助于赋能信息传播空间的快速发展,同时也重塑了网络空间信息传播的生态与机制。在通用人工智能时代,网络谣言的传播扩散特征均发生了质性改变,其在各类社交平台的生产数量以及传播扩散速度不仅呈几何倍数增长,且更“类似现实”的高仿真性使普通网民几乎难以分辨真伪,对虚拟空间以及现实空间的秩序与治理均提出了前所未有的挑战。随着现代计算技术的飞速发展,网络谣言日益表现为甄别难度大、社会破坏性强、传播速度飞速、内容更能直击受众思想等特征。为此,本文研究了通用人工智能下网络谣言传播的新特征、新挑战以及公安机关的应对策略,对AGI(通用人工智能,Artifical General Intelligence的英文缩写)时代下公安机关科学应对网络谣言与危机治理具有重要的现实意义。展开更多
文摘AGI(Artificial General Intelligence,通用人工智能)的发展与应用,正深刻影响着各个领域。创新创业教育作为培养具有创新精神和创业能力人才的重要途径,也不可避免地受到AGI的冲击和影响。例如,智能体辅导系统、虚拟学习环境等AGI技术支持下的智能学习工具和平台,为学生提供更加个性化、多样化学习途径的同时,也改变了对学生的能力要求,即学生应具备人机协作能力,如熟练使用各类智能学习工具和平台等。
基金Project supported by the National Natural Science Foundation of China(22106074)Tianjin Science and Technology Program(23YDTPJC00540,22YJDSS00060)。
文摘Ce-β-Bi_(2)O_(3)/AgI was prepared using solvothermal calcination and in-situ deposition methods.The introduction of Ce can inhibit the conversion of Bi_(2)O_(3)fromβtoαphase at high temperatures,promoting the formation of oxygen vacancies(OVs)in the photocatalyst.OVs can adsorb more dissolved oxygen to promote the formation rate of·O^(-)_(2).Moreover,the interaction between Ce-Bi_(2)O_(3)and AgI results in the formation of Z-scheme heterojunctions,which can broaden the light absorption region,facilitate photogenerated carrier separation and transfer and enhance the ability to produce more active oxygen species(ROS).The morphology,crystal,element distribution and photo-electric chemical properties of the Ce-Bi_(2)O_(3)/AgI were analyzed,and the result shows that the optimal ratio of Ce-Bi_(2)O_(3)/AgI photocatalyst achieves a removal rate of 88.63%(180 min)of tetracycline(TC)(20 mg/L)and 100%(120 min)of methyl orange(MO)(20 mg/L).This work clarified the photocatalytic degradation mechanism,providing a promising avenue for developing photocatalytic composites by rare earth metal doping in environme ntal remediation applications.
文摘快速发展的通用人工智能技术有助于赋能信息传播空间的快速发展,同时也重塑了网络空间信息传播的生态与机制。在通用人工智能时代,网络谣言的传播扩散特征均发生了质性改变,其在各类社交平台的生产数量以及传播扩散速度不仅呈几何倍数增长,且更“类似现实”的高仿真性使普通网民几乎难以分辨真伪,对虚拟空间以及现实空间的秩序与治理均提出了前所未有的挑战。随着现代计算技术的飞速发展,网络谣言日益表现为甄别难度大、社会破坏性强、传播速度飞速、内容更能直击受众思想等特征。为此,本文研究了通用人工智能下网络谣言传播的新特征、新挑战以及公安机关的应对策略,对AGI(通用人工智能,Artifical General Intelligence的英文缩写)时代下公安机关科学应对网络谣言与危机治理具有重要的现实意义。
