硕果繁花荣九秩 仁风德范仰高贤——祝贺吴浩青先生九秩华诞暨执教69周年讲誌庆

著名电化学家、中国科学院资深院士吴浩青教授今年迎来他的九秩华诞．在半个多世纪来，吴老以他广博的学识和勤奋的精神为我国电化学事业作出了突出的贡献．     

The First Intramolecular Charge Transfer Transition Based on 2-Ureido-4[1H]-pyrimidinone Binding Module

The first intramolecular charge transfer transition based on 2-ureido-4[1H]-pyrimidinone binding module was reported.     

Gain Spectrum in an Asymmetric Double Quantum Well

We propose a scheme for light amplification in an asymmetric double quantum well, where two excited states are coupled by resonant tunnelling through a thin barrier in a three-level system of electronic subbands. By applying a single driving laser, the steady state gain can be obtained. The calculated gain spectrum for an asymmetric GaAs/AlGaAs double quantum well structure was presented.     

Viscosity Characteristic in Metallic Melts with Medium／Short-Range Order Structures

Viscosities and liquid structure of alloys Cu75Al25, Cu87Sn13 and Al-12.5%Si and pure metals Cu and Sn are investigated by using torsional oscillation viscometry and high temperature x-ray diffractometry. The viscosities of pure metals and eutectic alloy melts along with the short-range order structure are found to follow the Arrhenius law in a wide range of temperature above the liquidus. The breakpoints in Arrhenius plots emerge when the structures of alloy melts are transformed from the medium-range order structure to the short-range order structure. It has been found that the change of the viscosity of the metallic alloys is a characteristic of microstructure transformation in the related melts.     

自己动手组装586电脑

自己动手组装５８６电脑张连杰孙辉君（大连港香炉礁港务公司，大连，１１６０１１）近年来电脑功能越来越强、用途越来越广。各种电脑正进入家庭，用来工作、学习和娱乐。这些产品在造型上都追求高档家用电器的形象，性能上采用４８６以上的芯片，功能上配套提供丰富的家...     

用单透镜变换由多模光纤出射的大功率Nd：YAG激光束的特性

根据理论假设，通过选取单透镜的参数和位置，计算说明了单透镜使经由多模光纤出射的大功率Ｎｄ：ＹＡＧ激光束的发射角压缩，光束聚焦效率提高，光束截面场为高斯分布；文中的计算结果符合已知规律，从而说明了理论假设的正确性。     

用轻质材料制作收录机流转工位器具

用轻质材料制作收录机流转工位器具常州无线电总厂杨为正吴其兴（２１３００１）在收录机生产流水线上，必须有大量的流转工位器具，以保证在整个流转过程中，已装饰好的收录机机壳表面不被擦伤。在时间紧任务重的情况下，我们做了大量的工作，经反复试验，用轻质材料快速...     

无线ATM通信网的越区切换控制

论文研究无线ＡＴＭ通信网的越我切换控制问题，提出不同的业务类型应采用不同的切换控制方法，从而使多媒体业务的服务质量在越区切换时仍然可以得到保证。文中着重讨论了由于无线ＡＴＭ通信的特点及所引起的路由重建，ＱｏＳ的保证与协商，信元次序的保证等关键问题，并提出了相应的解决办法。     

Max—min神经网络的一种有效学习算法

本文在Ａ．Ｂｌａｎｃｏ等人的算法的基础上，提出了ｍａｘ－ｍｉｎ神经网络的一种改进了的反馈学习算法，严格证明了该算法的迭代收敛性，理论分析及实例计算结果均表明，本文算法具有算法简单，收敛速度快，输出误差小等显著特点。