纳米涂层的研究现状与展望

简述了纳米表面涂层制备工艺的研究现状，分析了气相沉积、热喷涂、电刷镀、化学镀和电沉积等不同工艺在制备纳米表面层中的应用情况。介绍了纳米涂层在超硬耐磨、耐腐蚀、耐高温热稳定性等方面研究的新进展，并对纳米涂层的应用范围和领域作了展望。     

供应链环境下的性能评价系统研究

在竞争全球化的趋势下，供应链管理越来越受到企业重视，供应链性能评价系统(supply Chain Performance Mea-surement System,SCPMS)是供应链管理的关键组成部分，然而企业却不愿意或没有能力建立有效的性能评价系统。总结了供应链性能评价的定义、发展过程及难点，在此基础上提供了一套供应链性能评价的方法，为企业快速建立集成供应链性能评价系统提供借鉴。     

Calculation of Ultraslow Dielectric Relaxation of Doped BaTiO3 Ceramics

Using a linear voltage ramp method, ultraslow dielectric relaxation processes of La-doped BaTiO₃ boundary layer (BL) capacitors are measured at room temperature. For the electric polarization model of a double-layer dielectric, a procedure to calculate the electrical parameters of grain and grain boundary has been developed. Calculated results suggest that there is a shell on the surface of the grain. TEM images of the BL capacitor also show a lot of microregions with minor structural modifications. Relaxation times are estimated from the equivalent circuit and are in agreement with fitted results.     

基于VXI总线的机载火控系统自动测试仪的设计

目的　对作战飞机火控系统的故障检测 ,传统的方法是使用多种检测仪器对机载火控设备进行性能检查 ,不仅技术含量低 ,也给飞机转场后技术阵地的转移带来不便 ,不能满足现代战争的需要 ,为提高战机的作战效能和快速反应的能力 ,研制了机载火控系统自动测试仪 .方法　采用 VXI总线技术、合理的硬件配置和在 Lab Windows/CVI环境下的软件模块化设计方案 .结果　在实际应用中取得了良好效果 ,为技术人员进行机载火控系统的性能及故障检测提供了便利 .结论　该测试仪具有测试结果准确 ,自动化程度高 ,工作稳定可靠 ,操作简便 ,易于转移和维护等优点 ,并具有较高的抗干扰能力 ,不仅适用与内场 ,还可用于在外场对机载火控系统进行原位检测     

纳米β-Ni(OH)2与球型Ni(OH)2的热性能比较研究

用配位沉淀法合成出纳米级Ni（OH）2，并对其进行XRD，TEM，DSC分析，分析结果表明，所得纳米β-Ni（OH）2为可用作电极材料的β-Ni（OH）2，粒径为30－40nm，且热分解温度比普通球镍低10℃左右，摩尔分解热比普通球镍低4－7kJ，从理论上分析了产生此现象的原因。     

稀土Pr对Al2O3-SiO2(Sf)/ZL109复合材料组织及性能的影响

本文采用挤压浸渗法 ,制得不同稀土含量的硅酸铝短纤维增强铝基复合材料。用光学显微镜观察了复合材料的铸造显微组织 ,分析了稀土含量对共晶硅组织形态的影响 ;用扫描电镜对复合材料基体中的稀土相进行了观察 ,探索了稀土相的分布位置及其形态 ;并对不同稀土含量的复合材料进行了摩擦磨损实验 ,结果表明稀土能增强复合材料的耐磨性     

分割电极片状压电致动器——(二)位移特性及狭缝宽度对其影响的实验研究

研究了悬臂梁式分割电极片状压电致动器的位移特性。理论分析表明，分割电极狭缝宽度会减小致动器自由端的位移输出，但当狭缝宽度小于致动器电极宽度的１０％时，可忽略狭缝宽度的影响。致动器端部位移的测试结果大于理论计算值。与现有磁头悬浮臂尺寸相近的致动器，在２０Ｖ～５０Ｖ的电压驱动下均可获得１μｍ～２μｍ的致动位移。对９８５０道／厘米的密度磁盘，该位移能覆盖至少一个磁道宽度，满足磁头定位两级伺服系统对第二级致动器位移的基本要求。     

浅谈ispLSI及其应用

本文以ｉｓｐＬＩＳＩ１０００系列为例，对ｉｓｐ技术及ｉｓｐＬＳＩ器件进行了较为详细的介绍，并结合具体设计实例，介绍ｉｓｐＬＳ开发工具的使用。     

Synthesis, characteristics and oxygen-sensitive properties of SrMgxTi 1 − xO3 nanocrystals

SrMg_xTi_{1 - x}O₃ nanocrystals (x = 0.1–0.6) were synthesized by the stearic acid gel method. Powder samples were characterized by X-ray diffraction and X-ray photoelectron (XP) spectroscopy. The results showed that the lattice parameter a and the O 1s XP spectrum changed not only with the Mg content x but also with the grain size d of the samples. The conductivity of a thick film specimen fabricated on an aluminium oxide wafer was investigated in a nitrogen—oxygen atmosphere.     

Clinical and experimental observation of xilixin granule combined with radiotherapy in treating malignant-tumors

Thirty six patients of pulmonary or nasopharyngeal carcinoma were treated with Xilixin granule (XLXG) combined with radiotherapy and compared their efficacy with that of 31 patients treated by Zhenqi Fuzheng granule combined with radiotherapy for control. Results showed that the symptoms of Yin Deficiency syndrome in treated group were obviously improved, the leucocyte decreased by 5.6%, while in control group it reached 25.8%, the 3 year survival rate was significantly higher in treated group (75.0%) than that in control group (51.6%). Animal experiment revealed that XLXG had the effects of tumor inhibition, it could increase white blood cells, platelets and hemoglobin of patients, especially in using large dosage. These results suggested that XLXG have some protective effect against radiotherapeutic damage in patients with malignant tumor.