浅析影响轮对超声波探伤的因素

介绍了影响轮对超声波探伤的主要因素及相应对策。     

多媒体对羽毛球教学的影响

多媒体技术是提高教育质量、改进教学手段、推进教学现代化进程的重要途径之一。本文结合教学体验,重点探讨多媒体对羽毛球教学的积极影响。     

设置后浇带方案的探讨

针对工程中普遍采用后浇带处理措施，探讨了设置后浇带的利弊，介绍了处理后浇带的一个工程实例，对同类工程的实际施工有参考价值。     

一种8位单片机实现以太网通信的解决方案

本文实现了一种使用8位51单片机控制以太网接口芯片RTL8019AS,完成以太网通信的解决方案。实践证明该方案具有成本低、使用简单、运行稳定的优点,特别适合应用在远程通信的小型控制和数据采集设备上。     

沿海多功能航标工作船

研制沿海多功能航标工作船,是在保持航标夹持技术的先进性和实用性的基础上,解决深水航道Ф3m浮标维护、灯架更换、冬季小型冰标的抛设、撤除作业以及海水养殖区附近浮标维护等难题。     

DAQBench在人机界面编程中的应用

简要介绍了ActiveX控件的原理和使用DAQBench编程的方法,对人机界面的开发做了进一步的阐述。     

无水港在港口发展中的作用

分析无水港与内陆集装箱货运站及沿海港口的区别,将无水港定位为现代物流中心,总结国内无水港的发展现状和常见模式,给出发展无水港的条件和应注意的事项。从供应链角度分析无水港与港口的关系,论述无水港建设对港口发展和内地经济发展的重要性。     

Correlation analysis between the interface membrane and loose hip prosthesis

Objective To analyze the cause of prosthesis loosening by observing the interface membranes harvested during the hip restoration operation. Methods A total of 28 specimens of interface membrane around the loose prosthesis were harvested from 28 patients undergoing the restoration of total hip replacement. All the specimens underwent the observation of appearance, light microscopy and scanning electronic microscopy(SEM). Results All the gaps around the loose prosthesis were filled with interface membrane of different thickness. The color of the most interface membrane was madder red, and the other one third of membrane was black. The comparatively thicker membrane was similar to scar connective tissue while the thinner was similar to fiber membrane. A large number of wear debris, macrophages and foreign-body giant cells were found under light microscope. With SEM observation a large number of different diameter collagen fibra structures that looked like scar tissues were arranged disorderly in a great mass, foreign particles and bone debris of different size were distributed unevenly, and the fibroblast was distributed in the collagen fiber. Conclusion Wear debris is related to inflammatory cell response around the interface membrane of the loose prosthesis. The wear debris engulfed by macrophage stimulates the interface membrane to release bone resorption factors (such as TNF) which lead to osteolysis, and this is one of the most important causes of the prosthesis loosening.     

谈谈短班航海英语教学应注意的几个问题

分析和探讨如何通过短期培训提高船员的英语水平，短班英语培训教学中教师应把握的几个方面的问题。     

基于Linux平台的高速拥塞控制算法实现与应用

改进BIC拥塞控制算法，算法的性能在高速网络中得到了很大的提高，优化算法通过设置窗口门限值和现行TCP有机地融为一体。优化算法成功植入Linux内核，并在平台中得到很好的应用。