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Chinese Journal of Catalysis 2020年第11期41卷 1761-1771页

作者： Jingran Xiao Longlong Fan Zhongliang Huang Jun Zhong feigang zhao Kaiji Xu Shu-Feng Zhou Guowu Zhan College of Chemical Engineering Huaqiao UniversityXiamen 361021FujianChina

The establishment of multi-component catalytic systems on Fe2O3 photoanodes presents considerable potential for significantly enhancing the performance of photoelectrochemical water splitting systems. In this study, we hydrothermally synthesized a Fe2O3 photoanode. In addition, d-Fe OOH synthesized via dip-coating and hydrothermally prepared h-FeOOH were used as cocatalysts and their synergistic combinations with cobalt phosphate(Co-Pi) were investigated. The synergy between h-FeOOH and Co-Pi was remarkable, whereas that between d-Fe OOH and Co-Pi was negligible. For example, the onset potentials of the Co-Pi/h-FeOOH and Co-Pi/d-FeOOH dual catalysts, were cathodically shifted by 270 and 170 m V, respectively. Moreover, the photocurrent density of the Co-Pi/h-FeOOH/Fe2O3 anode was significantly higher than that of the Co-Pi/d-FeOOH/Fe2O3 one. The synergistic effect of Co-Pi and h-FeOOH could be attributed to the significantly inhibited recombination of surface charges owing to the formation of a p-n junction between β-FeOOH and Fe2O3 and the large contact area between the granular h-FeOOH and Co-Pi. However, the thin amorphous FeOOH layer of the Co-Pi/d-FeOOH/Fe2O3 anode acted as a hole-transfer medium, and weakly promoted the kinetics of the charge transfer process.

关键词： Fe2O3 Synergistic effect Onset potential Photoanode Water splitting

Intercalation of CuAl LDH materials with transition metal ions: towards high-performance CO2 hydrogenation catalysts

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Confined Growth of MOFs via Transformation from Cu2O

中国化学会第十九届全国催化学术会议

作者： feigang zhao Jingran Xiao Shu-feng Zhou Guowu Zhan College of Chemical Engineering Huaqiao University

The flexible structures and expanding properties of layered double hydroxides (LDHs) has enabled the intercalation of the LDHs with foreign anions and/or organic *** this work,we have provided an efficient approach to immobilize transition metals ions (such as Zn,Co,Ni,Fe) into the interlayer space of CuAl LDH,by direct anion exchange between COand a range of deprotonated porphyrin,wherein,the transition metals ions were coordinated into the porphyrin centers (viz.,TCPP(M)) prior to the ion exchange *** this method,

关键词： LDHs ion exchange TCPP CO2 hydrogenation catalysis

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Confined Growth of MOFs via Transformation from Cu2O

NIC X-FILE和DENCO Pre-Shaper镍钛器械对模拟弯曲根管成形的影响

中国化学会第十届全国无机化学学术会议

作者： Longlong Fan Zhongliang Huang feigang zhao Jingran Xiao Shu-Feng Zhou Guowu Zhan College of Chemical Engineering Huaqiao University

Metal-organic frameworks (MOFs),coordinated by metal ions/cluster and multidentate organic linkers in highly regular networks,have emerged as an exciting material in nanotechnology. Tremendous efforts have been paid so far on the architectural synthesis of MOF crystals with controllable size,morphology,and topology due to their versatile applications,which has become a burgeoning topic in chemistry and materials science. Confined MOF crystals inside a cavity (e.g.,confined space within a shell/channel) own fascinating properties and tunable functionalities,similar to the confined nanoparticles. For instance,the MOFs in isolated environments are largely different from the flat structures,which are expected to show interesting properties on the molecular packing,orientation,reactivity, being critically important for the catalysis applications of *** concept is summarized in Figure 1,each CuO@m SiO can be viewed as isolated nanoreactors for the synthesis of MOFs,in which the diffusion rate of ligand from bulk solution to the interior of the mesoporous silica,and the decomposition rate of the CuO to release copper ions are two most decisive factors on the formation of HKUST-1 within the mesoporous silica ***,by proper manipulation of synthetic parameters,we can control the shapes of the MOFs within the confined *** to the mesoporous nature of m SiO shell,the confined MOFs are fully accessible for the guest molecules.

关键词： confined growth MOFs Cu2O encapsulation galvanic replacement

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中国组织工程研究 2024年第3期28卷 387-391页

作者：申煜荣乃仁桐赵玲刘飞刚尹曹洋顾远平陈铁一桂林医学院附属口腔医院广西壮族自治区桂林市541000 桂林市口腔医院广西壮族自治区桂林市541000

背景:根管预备是根管治疗的关键步骤,近年来随着新型镍钛器械的迅速发展,根管成形能力得到了显著提高,然而不同种类的镍钛系统成形能力亦不同,目前国内外关于R相热处理机用镍钛器械NIC X-FILE和DENCO Pre-Shaper对弯曲根管成形能力的影... 详细信息

背景:根管预备是根管治疗的关键步骤,近年来随着新型镍钛器械的迅速发展,根管成形能力得到了显著提高,然而不同种类的镍钛系统成形能力亦不同,目前国内外关于R相热处理机用镍钛器械NIC X-FILE和DENCO Pre-Shaper对弯曲根管成形能力的影响鲜见报道。目的:比较NIC X-FILE和DENCO Pre-Shaper机用镍钛锉预备树脂模拟弯曲根管的成形效果。方法:选取树脂模拟弯曲根管50个,随机分为2组(n=25),分别使用NIC X-FILE、DENCO Pre-Shaper镍钛根管锉进行根管预备,记录根管预备时间、采集根管预备前后图像。使用图像处理和分析软件测量各观测点的根管内、外侧壁树脂去除量,运用统计学软件,对比研究两种机用镍钛锉的根管预备时间和中心定位能力。结果与结论:①DENCO Pre-Shaper组平均根管预备时间为(1.58±0.02)min,NIC X-FILE组平均根管预备时间为(2.22±0.03)min,两组间比较差异有显著性意义(P<0.05);②DENCO Pre-Shaper组在距离根尖孔4,5,7,8,9,10 mm处的内侧树脂去除量多于NIC X-FILE组(P<0.05),在距离根尖孔3,5,6,7,8 mm处的外侧树脂去除量少于NIC X-FILE组(P<0.05);③在距离根尖孔2,4,5,6,7,8,9 mm处,NIC X-FILE组的中心定位能力优于DENCO Pre-Shaper组(P<0.05),其中在距离根尖孔4 mm处的中心定位能力最佳;④结果表明,DENCO Pre-Shaper根管锉较NIC X-FILE镍钛根管锉具有较高的机械效率,但其中心定位能力不如NIC X-FILE镍钛根管锉。

关键词： NIC X-FILE DENCO Pre-Shaper 根管预备镍钛器械根管预备时间中心定位能力

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“行车调度”精品在线实训课程建设实践

职业技术 2021年第2期20卷 12-16页

作者：谭飞刚招晓菊深圳信息职业技术学院交通与环境学院广东深圳518172

"行车调度"实训课程是城市轨道交通运营管理专业主要实训课程之一,其对接专业核心课"行车组织",其对学生专业素质和岗位技能的培养起着重要作用。文章以"行车调度"精品在线实训课程的建设为基础,结合课程教学过程,对课程的建设目标、建... 详细信息

"行车调度"实训课程是城市轨道交通运营管理专业主要实训课程之一,其对接专业核心课"行车组织",其对学生专业素质和岗位技能的培养起着重要作用。文章以"行车调度"精品在线实训课程的建设为基础,结合课程教学过程,对课程的建设目标、建设思路和建设内容进行了阐述,为促进高职学校建设精品在线实训课程提供相关理论参考。

关键词：行车调度行车组织实训课程

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课堂教学中增值评价模型设计与应用探索

中国教育技术装备 2023年第12期 74-78页

作者：谭飞刚招晓菊秦盛妮深圳信息职业技术学院交通与环境学院广东深圳518172 深圳盐田高级中学广东深圳518000

针对高职院校课堂教学评价中重最终考试成绩轻过程化评价,特别是学生个体横向成长容易被教师忽略的问题,以《深化新时代教育评价改革总体方案》为指导方针,通过设计增值评价体系和评价模型,探索项目式课程教学增值评价应用。在分析已有... 详细信息

针对高职院校课堂教学评价中重最终考试成绩轻过程化评价,特别是学生个体横向成长容易被教师忽略的问题,以《深化新时代教育评价改革总体方案》为指导方针,通过设计增值评价体系和评价模型,探索项目式课程教学增值评价应用。在分析已有评价模型的基础上,提出一种新的评价模型,该模型可以平衡不同成绩段下学生横向成长,有利于激励各个成绩段的学生继续努力学习。以城轨专业学生为实验对象,以线上线下混合式项目式课程城市轨道交通电动列车驾驶课堂教学为例,对所提模型进行验证。从实验结果来看,所提方法具有较好的激励作用,具有一定的借鉴意义。

关键词：增值评价项目式教学增值评价模型高职院校

同方期刊数据库博看期刊评论

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LED可见光通信的研究进展

照明工程学报 2023年第1期34卷 29-40,44页

作者：李征王沸钢梁静远秦欢欢赵黎柯熙政西安理工大学自动化与信息工程学院陕西西安710000 西安工业大学电子信息工程学院陕西西安710000

LED以其节能、高效、耐用、绿色、环保等优点受到社会的高度重视,在显示屏、交通信号灯、液晶屏背光、温室补光和日常照明,乃至通信等诸多方面有广泛的应用。本文从LED的原理出发,阐述了白光LED的原理和材料器件进展。针对白光LED在可... 详细信息

LED以其节能、高效、耐用、绿色、环保等优点受到社会的高度重视,在显示屏、交通信号灯、液晶屏背光、温室补光和日常照明,乃至通信等诸多方面有广泛的应用。本文从LED的原理出发,阐述了白光LED的原理和材料器件进展。针对白光LED在可见光全双工通信中的应用,对LED的光学设计、驱动电路和信道建模进行了讨论,并引用实验进行了验证,最后对LED未来的发展进行了展望。

关键词： LED 白光LED 可见光通信光学设计信道建模