节段预制拼装技术具有施工速度快、环保、不影响交通等优点,在城市高架桥中具有良好的适用性。短线法预制施工工艺具有占地面积小、模板利用率高、适于工厂化生产且易控制形
Passengers’demands for riding comfort have been getting higher and higher as the high-speed railway develops.Scientific methods to analyze the interior noise o
静脉穿刺看似是极其简单的动作,但在实际操作中,即便是对专业医疗人士而言,也是一件颇具挑战的事情,特别是当遇到一些血管较深、血管细小或脆弱的患者时,静脉穿刺就变得十分困难。针对这个问题,本文提出一种基于红外摄像的血管可视化系统设计,它作为一项解决方案,可以比较有效的解决这些困难,提高静脉有效穿刺率。
In recent years,with the rapid development of high-speed railways(HSRs),power interruptions or disturbances in traction power supply systems have become increas
按照师范类专业认证对教师教育实践课程体系的要求,发现Y大学教师教育实践类课程体系存在部分课程交叉重叠、部分专业课程门类开设不足、部分专业学分设置不符合要求及教育实
The dynamic parameters of a roller rig vary as the adhesion level changes.The change in dynamics parameters needs to be analysed to estimate the adhesion level.
Currently,there are two types of defect detection systems used to monitor the health of freight railcar bearings in service:wayside hot-box detection systems an
Broken gap is an extremely dangerous state in the service of high-speed rails,and the violent wheel–rail impact forces will be intensified when a vehicle passe
本文主要讨论了抬梁在基坑工程大跨度内支撑体系中的应用,运用抬梁力学模型计算、ANSYS有限元数值模拟以及现场实测三者相结合的方法,为抬梁的设计与施工提供了一种实际可行
我国整体经济在近年来得到了较为快速的发展,给人们的生活带来了较大的改变,但与此同时,也产生了相应的各种问题。尤其是在环境污染方面的问题,变得越发的突出,水污染的情况