积分球反射法测量铌的发射率随温度的变化

提出了一种利用积分球反射法的脉冲加热技术测量材料热物性的方法，在此基础上研制了脉冲加热瞬态热物性测量装置，给出了利用该装置测量的铌在632．8nm波长下法向光谱发射率随温度的变化曲线，并进行了讨论。结果表明，所研制的装置能同时测量带状试样的比热、电阻率、全波长半球发射率及法向光谱发射率，具有试样制备简单、测试精度高等优点。     

高频脉冲原油电脱水供电装置的研制及应用

通过对原油乳化液导电性能的分析,提出了采用高频脉冲电脱水供电装置,解决了油田3次采出液脱水难的问题.详细介绍了高频脉冲原油电脱水供电装置的结构、工作原理以及现场应用中所取得的效果.与常规电脱水装置相比高频脉冲电脱水装置在电场平稳性及处理效果方面有明显的优越性,在生产中取得了良好的效果,解决了复合驱采出液的脱水难题.     

D类音频功率放大器控制方式综述

D类放大器虽然具有很高的效率，但由于功率晶体管的开关工作方式，D类放大器引入的失真通常大于线性放大器，这也是目前D类放大器在音频放大领域并未得到广泛应用的主要原因。D类放大器的控制方式是影响其性能的关键因素之一，研究适合的控制方法以改善D类放大器的保真度，是近年来电力电子技术和音频功放放大领域研究的热点。文中对几种比较新颖的D类音频功放放大器控制方式进行了分析比较。     

脉冲电化学齿轮光整加工电源设计与研究

脉冲电化学齿轮光整加工工艺具有加工效率高、成本低、表面质量好等特点，其实现的关键环节之一是高频、大功率脉冲电源，因此介绍了脉冲电化学齿轮光整加工工艺的原理及特点，论述了脉冲电源的构成原理及设计思路，设计制造出基于现代电力电子器件——绝缘栅双极晶体管(IGBT)的高频、大功率脉冲电源；应用该电源进行齿轮脉冲电化学光整加工试验，得到了满意的结果。     

平面锥形光波导模斑转换器的研究

基于三维有限差分束传输法（FD－BPM）对平面光波导器件中的关键元件之一－平面锥形模斑转换器作了深入的研究，对线性和数种非线性侧面边界的模斑转换器进行了数值仿真和对比，分析了平面锥形模斑转换器侧面边界函数对耦合损耗的影响，以及模斑转换器中模场分布随传输距离的变化，确定了不同长度的平面锥形模斑转换器的最佳侧面边界，指出长度在200－1000μm范围内具有余弦边界的平面锥形模斑转换器性能最佳，并且发现，光纤中的出射光进入模斑转换器以后，光波模式会逐渐发生变化，并最终转化为单模。     

脉冲电化学光整加工实验研究

用中性电解液进行脉冲电化学表面光整加工可获得良好的表面质量．着重研究了加工的电流密度及电解液浓度对加工表面质量的影响规律，找出了最佳电解液浓度及电流密度．研究表明，脉冲电化学光整加工技术有望在很多关键零件表面光整加工中发挥重要作用。     

Mechanical Studies on Treatment of Malignant Tumour by Ultralow Frequency Pulsed-Gradient Magnetic Fields

Ultralow frequency (ULF) pulsed-gradient magnetic field (with the maximum intensity of 0.6-2.0 T, gradient of 10-100 T·m-1, pulse width of 20-200 ms and frequency of 0. 16-1. 34 Hz) treatment of mice can inhibit murine malignant tumour growth and can induce apoptosis of cancer cell. The apoptotic cancer cell contracted, became rounder and divorced from adjacent cells; the heterochromatin condensed and coagulated together along the inner side of the nuclear membrane; the endoplasmic reticulums expanded and fused with the cellular membrane; many apoptotic bodies which were packed by the cellular membrane appeared and were devoured by some lymphocytes and plasma. By Lorentz force the magnetic field keeps the moving ions within bounds of Larmor radius. Thus, penetrating capability of the positive and negative ions through the cell membrane was affected, even the role on the cell membrane formed.     

民族生态审美场论

与相应的审美氛围、审美风范双向对生并走向整生的民族审美活动循环圈 ,构成民族生态审美场。民族生态审美场是民族生态审美学的整体对象 ,它的逻辑结构统观化整生化展开 ,构成当代民族生态审美学的理论体系     

Present-Day crustal deformation field in China continent inverted from GPS observations, earthquake moment tensor and quaternary fault slip rates

Based on the bi-cubic Bessel spline function method, we have inverted the present-day crustal horizontal velocity field and deformation field in China continent by combining with 410 GPS observations, 327 seismic moment tensors of earthquakes and fault slip rates in China and its neighboring areas, and considered the geological and geophysical parameters at the same time. The results reveal that the crustal movement mostly takes on compression in SN-NE direction and extension in EW-NW direction in China continent. The continent is rotating southeast and takes on a clockwise rotation image from the west to the east, particularly in the southeast of Tibet and Chuan-dian area. Different blocks have different deformation in China continent. The south China, Ordos and Northeast block have good integrity.The deformation in the western part of China is obviously stronger than that in the eastern part. The strong strains are focused on the Himalaya, east Tibet,west Tian Shan and Chuandian block etc. The deformation at the joint of blocks is stronger than that within the blocks. The China continent deformation not only has the strike-slip faulting and extrusion feature but also has the crustal shortening and thickening feature.     

辫状河流沉积油藏注聚初期调整方法及效果

针对孤岛油田中一区 Ng5 - 6砂质辫状河沉积油藏 ,注采对应程度较低 ,平面矛盾突出 ,在注聚初期表现出了与曲流河沉积油藏不同的动态特点 ,在深化油藏地质特征认识的基础上 ,分析了注聚初期油藏动态变化特征 ,采取了完善井网、水井调剖、调整产液结构等措施 ,取得了良好的开发效果 ,2 0 0 1年累计增油 2 .2× 1 0 4 t