In flight MTF monitoring and compensation for CCD camera on CBERS-02

All image systems cause a blurring of the scene radiance field during image acquisi- tion. Accurate characterization of this blurring is referred to as the modulation transfer function (MTF)[1]. The MTF is a fundamental imaging system design specification and system quality metric often used in remote sensing. It results from the cumulative effects of the instrumental optics (diffraction, aberrations, focusing error), integration on a pho- tosensitive surface, charge diffusion along the arra…     

直缝焊管机组生产冷弯型钢产品初探

主要介绍了φ２１９直缝焊管机组生产高速公路护栏 成型原理、工艺布置、变形方式、变形图和轧辊设计。     

发泡法制备泡沫铝

介绍了发泡法制备泡沫铝的工艺过程，论述了增粘、混合、发泡和冷却４个过程对泡沫铝孔结构的影响。采用ＴｉＨ２的缓释技术，可大大延缓ＴｉＨ２的反应时间，使ＴｉＨ２均匀混入铝熔体，从而制得孔结构均匀、吸声性能优良的泡沫铝。     

复杂开采条件矿体三强回采作业技术应用

本文针对金翅岭金矿矿体开采条件极其复杂的情况，在采矿方法试验中，率先在岩金矿山采用了三强作业技术，既保证了安全回采，又取是了较好的技术经济指标。     

静电氟粉末的制作工艺研究

主要研究静电氟粉末的制作工艺，影响因素及其影响因素间的关系，试验表明，ＳＰ添加剂的影响最大。     

布里奇曼法生长碲镉汞晶体的固液界面形态研究

文中综述了布里奇曼法及加速坩埚旋转技术的布里奇曼法生工碲镉汞晶体过程中固液界面形态的研究结果，简单讨论了固液界面形态对组分分布的影响，并将两种技术所得的组分分布结果进行了比较，在分析影响固液界面形态因素的基础上，认为加速坩埚旋转技术是目前改善固液界面形态的有效方法。     

塑料薄膜透气测试装置及测试方法研究

根据塑料薄膜透气原理，设计了一种简易薄膜透气测试装置，并对测试方法及结果处理进行了探讨。     

用红外热象技术研究有凸台热源倾斜板的散热

本文介绍红外热象技术在工程热物理研究中某些应用的探索。作为实例，通过热象技术，实验研究了具有水平凸台离散热源的倾斜板的散热，在研究它的自然对流换热部份结合利用激光全息干涉技术。此间着重于分析倾斜角对散热的影响。     

Practical method for generation expansion planning based on dynamic programming

This paper presents an efficient method which provides the optimal generation mix and the optimal generation construction process. The approximation method in which the dynamic programming technique and gradient method are combined is applied to determine the optimal generation mix with hydropower generation technologies. The successive approximations dynamic programming (SADP) technique, which is very suitable for high-dimensional multistage decision process problems, is used for obtaining the optimal generation construction process. The effectiveness and feasibility of the developed technique are demonstrated on a practical power system model which has five types of generation technologies including a hydropower generation technology.     

储罐负压排泥技术

油田每年都有大量的储罐需要进行清罐排泥作业,通过对几种常用排泥方法的比较,认为负压排泥装置具有安装简单,操作方便,排泥效率高,排泥费用低等特点,文章详细介绍了储罐负压排泥装置的结构、原理以及安装与操作方法,并提出负压排泥装置使用的注意事项。