MC68HC908GP32单片机编程器的设计与实现

在分析Motorola M68HC08系列MCU的Flash存储器编程模式基础上，提出了MC68HC908HP32芯片的一种简明而实用的编程器设计方案，给出了基本设计思想，硬件设计电路，软件设计框架，并与Motorola公司提供的电路进行了对比分析。     

Efficient Collision Detection for Moving Ellipsoids Using Separating Planes

We present a simple, accurate and efficient algorithm for collision detection among moving ellipsoids. Its efficiency is attributed to two results: (i) a simple algebraic test for the separation of two ellipsoids, and (ii) an efficient method for constructing a separating plane between two disjoint ellipsoids. Inter-frame coherence is exploited by using the separating plane to reduce collision detection to simpler subproblems of testing for collision between the plane and each of the ellipsoids. Compared with previous algorithms (such as the GJK method) which employ polygonal approximation of ellipsoids, our algorithm demonstrates comparable computing speed and much higher accuracy.     

金属正电子核素~(64)Cu,~(68)Ga,~(86)Y和~(89)Zr的PET标记药物研究进展

~(64)Cu,~(68)Ga,~(86)Y和~(89)Zr具备不同的半衰期和特殊生物体内性质,丰富了PET药物的多样性,为疾病的诊断和治疗提供了新的契机。近年来,金属正电子核素~(64)Cu,~(68)Ga,~(86)Y和~(89)Zr标记的药物在正电子发射计算机断层显像(PET)诊断中的应用越来越多,~(64)Cu在乏氧显像中发挥重要作用,~(68)Ga在靶向神经内分泌(NET)类肿瘤的诊断药物领域发展迅速,~(86)Y,~(89)Zr有望在免疫PET和放射免疫治疗领域发挥作用。本文主要综述金属正电子核素~(64)Cu,~(68)Ga,~(86)Y,~(89)Zr的生产与纯化,溶液配位化学以及应用方面的研究进展。     

3-羟基-4-吡啶酮类螯合剂在镓放射性药物中的 研究进展及展望

目前,在肿瘤等重大疾病的早期诊断中,PET/CT（或PET/MRI）是灵敏度最高、分辨率最好的医学影像手段。PET/CT（或PET/MRI）依赖于PET药物,很大程度上依赖于¹⁸F PET药物。然而,随着世界上第一个⁶⁸Ga药物（⁶⁸Ga-DOTATATE）获得美国FDA批准进入市场,⁶⁸Ga及其药物的研究正受到越来越多的关注。本文首先介绍了镓的基本核性质和化学性质,然后提出了金属双功能螯合剂的设计要求,并讨论了一些常用镓螯合剂的优缺点。由于3-羟基-4-吡啶酮基团对三价镓离子具有高的亲和力和选择性,因此,特别重点关注了3-羟基-4-吡啶酮多齿螯合剂在镓放射性药物中的最新研究进展。最后,还对3-羟基-4-吡啶酮多齿螯合剂在镓放射性药物中的应用前景进行了展望。     

H68合金退火料温对其晶粒度的影响

本文对深冲用H68合金成品退火的晶粒度之影响因素进行分析,通过对原始晶粒度冷轧后（ε〉50%）的各种不同料温的晶粒度测试试验作出了不同料温情况下晶粒度的关系图,最后得出了两点结论,第一,H68合金板带的成品退火晶粒度不受原始晶粒度的影响,退火前冷加工率超过50%成品软态的晶粒度可获得最佳值;第二,H68合金板带的晶粒度与退火料温的关系是在550℃以下呈线性变化,大于550℃后变化不明显。     

基于MC68HC08系列单片机下汽车防盗器程序设计

文中具体介绍应用MC68HC08系列单片机的汽车防盗器的功能、硬件组成及原理,采用Protel软件画出电路图、汽车防盗器主程序流程图,并且编写了汽车防盗器汇编语言程序.     

基于GP32的射频读写模块的设计

本文基于模块化设计思想、应用在线编程技术,设计了一种基于Freescale 8位微控制器MC68HC908GP32的射频识别卡Mifare1的读写模块。给出了该模块的设计方案和硬件系统组成,并介绍了其软硬件实现过程。该读写模块不仅能完成对射频识别卡的控制和读写操作,而且可供用户进行二次开发。     

Implicitization of Parametric Curves via Lagrange Interpolation

A simple algorithm for finding the implicit equation of a parametric plane curve given by its parametric equations is presented. The algorithm is based on an efficient computation of the Bézout resultant and Lagrange interpolation. One of main features of our approach is the fact that it considerably reduces the problem of computing intermediate expressions.     

New compacton soliton solutions and solitary patterns solutions of nonlinearly dispersive Boussinesq equations

The special exact solutions of nonlinearly dispersive Boussinesq equations (called B(m,n) equations), u_tt−u_xx−a(uⁿ)_xx+b(u^m)_xxxx=0, is investigated by using four direct ansatze. As a result, abundant new compactons: solitons with the absence of infinite wings, solitary patterns solutions having infinite slopes or cups, solitary waves and singular periodic wave solutions of these two equations are obtained. The variant is extended to include linear dispersion to support compactons and solitary patterns in the linearly dispersive Boussinesq equations with m=1. Moreover, another new compacton solution of the special case, B(2,2) equation, is also found.