焊接式跳板铰链安装技术

在船舶建造中结构会产生焊接变形,尤其是铝质结构,焊接变形较钢质结构更难以控制,焊后精度难以保证。文章以某型船跳板铰链安装为例,对船体焊接铰链的安装工艺进行分析,提出了采用定位假轴不镗孔安装方法。     

智能巡航机器人系统在冶金行业的应用

本文基于无线通讯技术与图像识别技术,搭建在高温强酸环境下的铜电解车间搭建轨道式智能巡航机器人系统.该系统以无线电波为前提,在无线光缆的支撑下,满足计算机设备与网络数据传输系统连接的需求,完成重复巡航识别,通过人工智能技术实现工业自动化的生产实践,实现了智能机器代替人工高效工作.     

KNOWLEDGE AND ATTITUDES TOWARDS DIABETIC FOOT AMONG THE ELDERLY IN SHANGHAI

Objective To investigate the level of knowledge and attitudes related to diabetic foot (DF) in the elderly in Shanghai.Methods A total of 502 older residents in Shanghai were interviewed and 493 were included in analysis.A questionnaire specifically designed for this study was used.The knowledge and attitudes with sociodemographic variables were explored by Chi-square analysis and Mann Whitney U test.The contribution of the variables to DF knowledge and attitudes towards DF was explored by both univariate and multivariate analysis.Results Knowledge of DF was limited.Only 183 people (37.1%) achieved adequate DF knowledge while 310(62.9%) had inadequate knowledge.There were no significant differences between people with diabetes and those without diabetes in many questions pertaining to DF knowledge.Encouragingly,a majority of respondents expressed their willingness to receive more information on DF.Both knowledge about and attitudes towards DF were significantly associated with "education level","the willingness to visit doctors regularly",and "whether people have diabetes". Conclusion Findings highlight a need to focus resources and education on improving people’s knowledge of DF,which may be helpful to reduce the occurrence of DF.Nonetheless,the effect of education on decreasing DF incidence still requires verification through future studies.     

门式起重机吊载定位精度研究

基于模块化建造的门式起重机呈现大型化发展趋势。模块之间的组装大都采用定位后焊接连接，吊装时模块定位同起重机的定位性能有关。通过对某千吨级门式起重机双钩联吊和单钩吊载分别进行试验，采用全站仪测试载荷上靶点3个坐标方向不同时段的坐标值，结合起重机监控系统记录的相关数据，对其定位能力指标进行测试，研究其性能及规律。研究成果可为该类型起重机的设计与应用提供参考。