用CCD摄像机检测激光器输出光束的指向稳定性

报导用CCD摄像机检测激光器输出光束的指向稳定性的实验结果。系统由计算机控制，可同时显示远场光斑形状及强度分布。测量He-Ne激光器、半导体激光器及氩离子激光器指向稳定性及激光束输出强度的稳定性。     

香港的车辆运输问题

本文介绍了当今香港公司在日常运货业务中所面临的车辆运输问题的研究进展，通过问卷调查和面对面交谈的方式调查了服装零售部门、快餐店、烧卖店和超级市场等代表不同行业的经理。研究结果将与解决该类问题的决策支持系统的初步研究一同给出。     

信息技术应用的完整模型

在Ｃ．Ａ．Ｖｏｓｓ的技术应用过程模型与Ｉ．Ｊ．Ｃｈｅｎ等人的计划模型的基础上，作者通过案例分析，提出了信息技术应用的完整模型。该模型强调技术应用中的投产后阶段，并指出技术上的成功并不必然导致战略上的成功应用，而是需要投产后的不断努力，才能取得竞争优势     

Φ630石英轻质抛物面反射镜的二维动态哈特曼检验

简要介绍二维动态哈特曼波前探测仪检测波面形的基本原理、方法及其特点。首次运用该方法对φ630石英轻质抛物面反射镜实现了定量检测，给出了镜面面形测量结果。     

非负权重最优组合预测方法的基本理论研究

本文从三个方面研究了非负权重最优组合预测方法的基本理论，给出了一种解决三阶非负权重最优组合预测问题的简捷方法。     

回转体零件特征和GT编码自动转换系统的研制

文章主要介绍了作者研制的回转体零件特征和ＧＴ编码的自动转换系统的原理和实现方法。该系统具有良好的实用价值。     

间歇输片中胶片下冲规律的研究

本文从理论和实验两方面研究间歇输片的下冲规律。研制出高画幅稳定度间歇式高速摄影机。     

Magnetic Exchange—Coupled Sm（Co,R）／Cr（R=Al,Si,Ti,Nb,Cu）series Films for Ultrahigh—Density Longitudinal Recording Media

SmCoR(R=Al,Si,Ti,Nb,Cu)/Cr series films were fabricated as one kind of promising materials for the ultrahigh density longtudinal magnetic recording media.The Sm(Co,Al,Si)/Cr thin with coercivity up to 2.36kOe,squareness ratio S near 0.94 and coercive squareness ratio S^* about 0.9 were obtained.The Cr interlayer caused magnetic decoupling in Sm(Co,Al,Si)/Cr/Sm(Co,Al,Si)thin films,High coercivtty of 3400-3840Oe and extremely fine grain size of 5-8nm for the magnetic layer were examined.Using different substrate bias among the Sm(Co,Al,Si)(deposited with substrate bias of -150V)/Sm(Co,Al,Si)(deposited with no substrate bias)/Sm(Co,Al,Si)(deposited with substrate bias of -150V),the multilayer exhibited high coercivity of 2960Oe and S^* of 0.96,Sm(Co,Al,Si)/Sm(Co,Ti,Cu)/Sm(Co,Nb,Cu) trilayer improved matching between the magnetic layer and the Cr underlayer,and led to increasing in-plane anisotropy,high coercivity of 3280Oe and S* of 0.92,Lattice matching of SmCoR{112} and Cr{110},etc.were found under various conditons.The microstructures of these four kinds of medium were also examined.The results suggest that it is possible to produce Sm(Co,Al,Si,Ti,Nb,Cu)multi-layer media with the combined magnetic properties required for the ultrahigh desity magnetic recording.     

Structure of Vortex Dislocations is a Wake—Type Flow

Structure and dynamical processes of vortex dislocations in a kind of wake-type flow are described clearly by vortex lines,which are directly constructed from data of three-dimensional direct numerical simulations of the flow evolution.