电力线MAC/PHY集成收发器INT51X1及其应用

介绍了美国Intellon公司的电力线MAC/PHY集成收发器INT51X1的功能结构和主要特点 ,介绍了它的引脚功能 ,同时以中压配电网OFDM通信系统的研究开发为例 ,给出了INT51XI的应用实例。     

黑白CMOS图像传感器0V9120的原理及应用

本文阐述了CMOS图像传感器的一般特征，详细介绍了黑白CMOS图像传感器芯片OV9120的性能、特点及工作原理，给出了OV9120在图像采集处理中的具体应用实例。     

Nanoscale structural characteristics and electron field emission properties of transition metal–fullerene compound TiC60 films

Transition-metal compound TiC₆₀ thin films were grown by co-deposition from two separated sources of fullerene C₆₀ powder and titanium. Study of structural properties of the films, by Raman spectroscopy, atomic force microscopy, and scanning tunneling spectroscopy reveals that the films have a deformed C₆₀ structure with certain amount of sp³ bonds and a rough surface with a large number of nanoclusters. z–V tunnelling spectroscopic measurements suggest that several charge transport mechanisms are involved in as the tip penetrates into the thin film. Conventional field electron emission (FEE) measurements show a high emission current density of 10 mA/cm² and a low turn-on field less than 8 V/μm, with the field enhancement factors being 659 and 1947 for low-field region and high-field region, respectively. By exploiting STM tunneling spectroscopy, local FEE on nanometer scale has also been characterized in comparison with the conventional FEE. The respective field enhancement factors are estimated to be 99–355 for a gap varying from 36 to 6 nm. The enhanced FEE of TiC₆₀ thin films can be ascribed to structural variation of C₆₀ in the films and the electrical conducting paths formed by titanium nanocrystallites embedded in C₆₀ matrix.     

甲醇燃料的研发现状及发展前景

介绍了甲醇燃料的理化性质、作为车用替代燃料的性能及研发现状，分析了甲醇汽油存在的问题及发展前景。     

交流，共享，流动——现代大空间办公模式的优劣与对策

讨论了现代办公空间设计出现的新要求,通过办公空间演变趋势的探讨,归纳为若干大空间办公模式,并分析、比较其空间性质及特点,以及采用开放式办公布局的优势、不足及解决对策.     

择形催化合成2,6-DMN的研究进展

介绍了2,6-二甲基萘(2,6-DMN)的制备方法,详细论述了萘、甲基萘在分子筛催化剂上择形催化合成2,6-DMN的研究进展,提出了择形催化合成2,6-DMN的研究方向。     

光化学方法活化CO_2为CO的研究进展

介绍了国内外近年来用光化学方法将CO2活化为CO的研究进展。目前,CO2活化为CO的光化学法主要有气相活化法、均相活化法和非均相活化法,对这些方法的特点及反应机理进行了总结。     

电潜泵大修打捞配套工具研制

随着采液时间的延长,电潜泵井事故不断增加,仅辽河油田每年就有30口左右的电泵井需要转大修.由于没有专用的打捞工具,作业设备的能力有限,其处理事故的周期往往较长,效果不理想.因此,在已有φ139.7mm套管内电泵打捞工具的基础上,研制开发了φ177.8 mm套管内电泵打捞工具,解决了油田电泵打捞的难题.