1Cr5Mo耐热钢管的焊接

对1Cr5Mo耐热钢管的焊接性进行分析,制定合理的焊接工艺,获得了质量良好的焊接接头。     

有机纤维材料用软膜乳液阻燃剂的制备

采用甲醛、尿素、三聚氰胺、脒基脲磷酸盐为原料,以硼砂、硼酸、氨水为pH调节剂合成了保护胶;在保护胶存在下,以预乳化的丙烯酸酯混合单体于82-88℃共聚合成乳液,将其涂布于有机纤维材料,干燥后得软膜透明阻燃涂层。用其处理的涤棉布阻燃性能为:损毁长度68mm、续燃时间1s、阴燃时间3s、氧指数62、吸附干量287g/kg,处理的纸板的阻燃性能为:平均炭化长度77mm、平均续焰时间2s、平均续灼燃时间32s、吸附干量283g/kg。     

通过对一个旧战例的回顾看构筑物倒塌的抢险救援

通过北京火车站站前广告牌倒塌的抢险救援,阐述了构筑倒塌抢险救援的程序、方法及注意的问题。     

Closed-form solutions for one-dimensional inhomogeneous anisotropicmedium in a special case. I. Direct scattering problem

An analytical formulation is presented for the direct scattering problem of one-dimensional (1-D) inhomogeneous anisotropic medium in a special case. This method gives nonlinear differential equations for the reflection coefficients of the anisotropic medium. Applying the discontinuity condition of the dielectric parameters at the interface of the medium with free space, approximate closed-form solutions for the reflection coefficients are obtained. Numerical examples show the validity of the method     

D.yn11配电变压器过电流保护的特点

分析D．yn11配电变压器低压倒发生不同类型故障时，流过高压侧各相电流的大小及相位，从而比较保护用电流互感器在不同接线方式时过电流保护的灵敏度及可靠性；并提出过电流保护应注意的问题。     

关于真值维护系统TMS的研究

本文系统地论述了几类典型的ＴＭＳ系统，对它们进行分析和比较，量后简要地叙述近年来在该领域中的一些重要研究动向。     

Closed form solution for the sensor registration problem using only position information

Sensors, mounted on the dexterous end of a robot, can be used for feedback control or calibration. When you mount a sensor on a robot it becomes necessary to find the pose (orientation and position) of the sensor relative to the robot. This is the sensor registration problem. Many researchers have provided closed-form solutions to the sensor registration problem; however, the published solutions apply only to sensors that can measure a complete pose (three positions and three orientations). Many sensors, however, can provide only position information; they cannot measure the orientation of an object. This article provides a closed-form solution to the sensor registration problem applicable when: (1) the sensor can provide only position information and (2) the robot can move along and rotate about straight lines. © 1994 John Wiley & Sons, Inc.     

变温长波碲镉汞光电导现象研究

报道了ｎ型Ｈｇ０．８Ｃｌ０．２Ｔｅ光电导体的变温材料参数与性能参数的对照关系，并讨论了材料的锭条参数与小芯片霍耳参数的差异，得到一组光电导的实验优化数据，实测小芯片载流子浓度ｎ≈１．８×１０＾１５ｃｍ＾－３，这与高性能器件实测值的倒推数值一致，这被解释为长江红外高背景辐射的结果。     

P偏振光双表面反射比的角谱及其应用

p-偏振光在镀膜平板基片两面的反射光强度比值的角谱是膜层参数(折射率、消光系数和厚度)的函数.实验表明通过角谱的测量和数值模拟是精确测量薄膜参数的新途径.基于此原理,还试制出掺Sb的SnO2溶胶凝胶薄膜的光化学气敏传感器.     

浙江省洁净煤技术的发展现状及对策

简述了浙江省洁净煤技术开发应用现状及近年开发的洁净煤产品和技术，提出了发展洁净煤技术的规划，并就此指出洁净煤技术产业化过程中存在的障碍及对策建议。