摘要：通过对破碎物料机理的分析及破碎设备的性能的阐述,在破碎设备的选型及设计中参数的确定等几方面给出了见解,最后指出了在破碎设备中应注意的几个方面。

摘要：砖瓦成型设备中决定产品外形的关键设备就是切坯设备,为此分析了现在的切坯设备的类型及主要结构,为大家提出了一些选型参考及在设计方面的注意事项。

摘要：通过挤出机各部分结构的分析,提出了优化结构,并在有关参数的确定方面给出了建议,最后指出了在挤出机设备中应具体问题具体对待。

摘要：通过对输送机的分类,为生产线选择输送机的机型提供了参考依据,在输送机的参数确定方面给出了相关理论计算公式,为输送机的选择提供了理论依据,最后给出了输送机运行时常见的一些问题的解决办法,指出了未来输送机的发展趋向。

摘要：输电线路是电力系统的重要组成部分,其运行状态直接决定电力系统的安全和效益。为了监测线路接点的温度变化,设计了一种基于居里温度特性的输电线路接点感温在线指示器。利用铁氧体材料的温感特性和温度变化改变磁场力大小的原理,设计了温度指示装置,保证在温度达到设定值时,具有明显颜色标识的报警指示套部分跳起,便于巡视人员及时发现,掌握输电线路接点的温度变化,避免事故的发生。实验室测试及实践证明,此装置受外界环境温度影响小,动作误差低,能有效地监控输电线路连接点的温度,进而达到提高输电线路输送能力的目的。

摘要：Defect engineering has become a promising approach to improve the performance of hydrogen evolution reaction(HER)***-noble transition metal-based catalysts(TMCs)have shown significant promise as effective alternatives to traditional platinum-group catalysts,attracting considerable ***,the industrial application of TMCs in electrocatalytic hydrogen production necessitates further optimization to boost both catalytic activity and *** review comprehensively examines the types,fabrication methods,and characterization techniques of various defects that enhance catalytic HER *** advancements include optimizing defect concentration and distribution,coupling heteroatoms with vacancies,and leveraging the synergy between bond lengths and ***-depth discussions highlight the electronic structure and catalytic mechanisms elucidated through in-situ characterization and density functional theory ***,future directions are identified,exploring novel defect types,emphasizing precision synthesis methods,industrial-scale preparation techniques,and strategies to enhance structural stability and understanding the in-depth catalytic *** review aims to inspire further research and development in defect-engineered HER catalysts,providing pathways for high efficiency and cost-effectiveness in hydrogen production.