期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
思想政治教育共同体的运行机制与发展战略 被引量:46
1
作者 戴锐 《思想政治教育研究》 CSSCI 2014年第6期9-12,共4页
由于对思想政治教育共同体内部的异质化的错误理解和不当回应,思想政治教育共同体产生了体制性疏离、价值性疏离和区位性疏离。要想使思想政治教育共同体顺利、有效地运行并充分实现其所应有的"共效应",必须建立良性的共生、... 由于对思想政治教育共同体内部的异质化的错误理解和不当回应,思想政治教育共同体产生了体制性疏离、价值性疏离和区位性疏离。要想使思想政治教育共同体顺利、有效地运行并充分实现其所应有的"共效应",必须建立良性的共生、共轭和共振机制。思想政治教育共同体发展的战略前提是,必须超越概念,从狭义思想政治教育走向广义思想政治教育;超越体制限制,重建"大政工"格局;超越结构限制,从横向分工、纵向管理走向思想政治教育的社会网络化;超越区位限制,从区域分立走向区位互动下的区域联合。此外,思想政治教育共同体建设和发展还必须以思想政治教育制度和思想政治教育学科制度建设为战略基点,以共同的关切主题、共同的挑战与回应凝聚共同体,强化共同体意识和共同的努力。 展开更多
关键词 思想政治教育同体 同体危机 场域疏离 “共效应” 运行机制 发展战略
在线阅读 下载PDF
Na and O Co-doped Carbon Nitride for Efficient Photocatalytic Hydrogen Evolution
2
作者 CHEN Libo SHENG Ying +3 位作者 WU Ming SONG Jiling JIAN Jian SONG Erhong 《无机材料学报》 北大核心 2025年第5期552-560,I0011,I0012,共11页
Elemental doping is an effective strategy for tuning the band structure of graphite carbon nitride(CN)to enhance its photocatalytic performance.In this study,sodium(Na)and oxygen(O)co-doped carbon nitride(Na/O-CN_(x),... Elemental doping is an effective strategy for tuning the band structure of graphite carbon nitride(CN)to enhance its photocatalytic performance.In this study,sodium(Na)and oxygen(O)co-doped carbon nitride(Na/O-CN_(x),x=1.0,2.0,3.0,4.0)was synthesized via solid-phase reaction of sodium citrate(NaCA)and pure CN powder in the Teflon-sealed autoclave under air conditions at 180℃.Surface area of Na/O-CN_(3.0) is measured to be 18.8 m^(2)/g,increasing by 60.7%compared to that of pure CN(11.7 m^(2)/g).Bandgap energy of Na/O-CN_(3.0) is determined to be 2.68 eV,marginally lower than that of pure CN(2.70 eV),thereby enhancing its capacity for sunlight absorption.Meanwhile,the incorporation of Na and O atoms into Na/O-CN_(x) is found to effectively reduce recombination rates of photogenerated electron-hole pairs.As a result,Na/O-CN_(x) samples exhibit markedly enhanced photocatalytic hydrogen evolution activity under visible light irradiation.Notably,the optimal Na/O-CN_(3.0) sample achieves a photocatalytic hydrogen production rate of 103.2μmol·g^(–1)·h^(–1),which is 8.2 times greater than that of pure CN(11.2μmol·g^(–1)·h^(–1)).Furthermore,a series of Na/O-CN_(x)-yO_(2)(y=0,20%,40%,60%,80%,100%)samples were prepared by modulating the oxygen content within reaction atmosphere.The catalytic performance evaluations reveal that the incorporation of both Na and O atoms in Na/O-CN_(3.0) enhances photocatalytic activity.This study also introduces novel methodologies for synthesis of metal atom-doped CN materials at lower temperature,highlighting the synergistic effect of Na and O atoms in photocatalytic hydrogen production of Na/O-CN_(x) samples. 展开更多
关键词 Na and O co-doped carbon nitride synergistic effect visible light photocatalytic hydrogen evolution
在线阅读 下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部