陇上天路

如果说青藏铁路是一条“雪域天路”，那么宝鸡至天水高速公路就是一条“陇上天路”。宝鸡至天水是从关中平原到西北黄土高原的跨越地段，垂直跨度大，山连山，岭连岭，几乎看不到任何平原地段。作为2005年西部新开工的十大工程和交通部十二项示范工程之一，这条全长91公里的高速公路还要穿过甘肃屈指可数的林带，跨越黄河、长江两大流域，穿越甘肃最大的天然林保护基地--小陇山林业自然保护区、麦草沟自然保护区和麦积山国家森林公园。     

内嵌闪存MCU的高性能多通道24位采集系统ADuC845

ADuC845是ADI公司新推出的嵌有单指令周期8052闪存MCU、带两路24位∑ -△A/D、双12位D/A以及两个灵活脉宽调制输出的高性能24位数据采集与处理系统芯片。该芯片的数据处理速度达12MIPS,且设计简单 ,噪声低 ,非常适用于精密仪器仪表。文中详细介绍了该芯片的功能特点和工作原理 ,给出了该芯片的应用方法。     

栅板注射模设计

分析了栅板零件的工艺性 ,介绍了栅板注射模的设计方案及设计要点 ,并对浇注系统的设计计算作了较详细的阐述。该模具经生产验证 ,各部件动作灵活、可靠 ,生产的塑件质量符合要求。     

Bayesian algorithms for simultaneous structure from motion estimation of multiple independently moving objects.

In this paper, the problem of simultaneous structure from motion estimation for multiple independently moving objects from a monocular image sequence is addressed. Two Bayesian algorithms are presented for solving this problem using the sequential importance sampling (SIS) technique. The empirical posterior distribution of object motion and feature separation parameters is approximated by weighted samples. The first algorithm addresses the problem when only two moving objects are present. A singular value decomposition (SVD)-based sample clustering algorithm is shown to be capable of separating samples related to different objects. A pair of SIS procedures is used to track the posterior distribution of the motion parameters. In the second algorithm, a balancing step is added into the SIS procedure to preserve samples of low weights so that all objects have enough samples to propagate empirical motion distributions. By using the proposed algorithms, the relative motions of all the moving objects with respect to the camera can be simultaneously estimated. Both algorithms have been tested on synthetic and real-image sequences. Improved results have been achieved.     

辽宁省城镇居民生活用水定额

本文分析了城镇居民生活用水的特点,介绍了辽宁省城镇居民生活用水定额制定的原则、方法。通过对全省县级以上城镇居民生活用水情况的调查,制定适合辽宁省实际情况的城镇居民生活用水定额。     

薄管板换热器的设计及薄管板计算的探讨

结合化肥厂丁辛醇装置薄管板换热器的设计 ,着重分析薄管板的特点 ,应用合理的计算方法对薄管板进行强度校核 ,验证这一新型换热器的安全性和经济实用性     

荧光消除剂的应用研究

介绍了一种粉末状荧光消除剂的应用特性,并对影响荧光消除剂使用效果的因素进行了探讨。结果表明,浆料温度及荧光消除剂与浆料的混合作用时间对荧光消除效果有较大影响。     

鼠标控制芯片MouseWarrior及其应用

MouseWarrior是德国CodeMercenaries公司生产的鼠标控制系列芯片。该芯片融合了所有的鼠标接口并集目前市场上所采用的新技术于一身，兼容性好且使用简单，是开发鼠标产品的理想选择。文中介绍了MouseWarrior系列芯片的性能特点和引脚功能，给出了一个鼠标电路的设计实例。     

智能混合控制在高速纸机的应用

介绍了压力式网前箱的建模和控制，并通过构造一个新的控制器结构-智能混合控制器，将Fuzzy和PID控制融于其中。     

Effect of fiber types on relevant properties of porous asphalt

The research was conducted to evaluate the effects of cellulose and polyester fibers on the properties of porous asphalt mixes, using the tests of draindown, abrasion, volumetric properties, rutting, and moisture damage. Images of scanning electron microscopy and X-ray computerized tomography were adopted to identify the microstructure of the fiber and inner stone skeleton of porous asphalt. The influence of rutting parameter （G＊/sin δ） of asphalt modified by different fibers on the rutting resistance of the mixes was investigated. Based upon MOHR-COULOMB theory, the cohesion and the angle of internal friction of the mixes were derived from both indirect tension and unconfined compression strength. The experimental results indicate that fibers mainly stabilize asphalt binder and thicken asphalt film around aggregates. Furthermore, they result in the improved mechanical strength of porous asphalt mixes at high temperature slightly. From comparison analysis, cellulose fibers appear to perform better than polyester fibers in porous asphalt mixes.