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The results demonstrated that the ITS sequence analysis supported the identification based on morphological characteristics for most of species of Amanita on the species level or on the genus level.

在这种情况下，如能借助分子手段，以传统的形态特征为基本分类依据，辅以DNA序列比较分析，同时借助国际核酸数据库的大量信息资源势必将有助于鹅膏属真菌的准确鉴定。

Firstly, the thesis introduced the development of VOD, the background and meaning of the program, then the author introduced the associated technology, mainly including the feature of multimedia, video compression technology and the protocols SCTP and RTP. Considering the ambulant of host , fluctuation of bandwidth,high error rate data in wireless networks ,the author proposed some QoS strategy in the wireless networks such as RTP/SCTP protocol stack , connection control of the server, two buffers in the client end point.,TFC congestion control algorithms ,etc. Based these strategies, the team members gives the software and hardware solution of the wireless video-on-demand system and gives the main modules design of the software system. The system adopted the C/S structure including two parts: server and client ,using the Mpeg-2 which is apporiate for networks as the supported format. The thesis emphatically researches on the video-serving module of the server and the sink module, player module of client.

本文首先介绍了视频点播系统的发展现状、课题的研究背景和意义；接着对课题的相关技术进行概述主要包括了多媒体特点，压缩技术，传输协议SCTP以及RTP；针对无线环境的节点移动性，带宽波动性，数据错误率高等三大特点，作者研究设计了无线环境下的QoS策略：RTP/SCTP协议栈，服务器准入控制机制，客户端双缓冲区，TFRC拥塞控制机制等；在这些策略的基础上设计了系统的软硬件解决方案，并对软件体系结构的主要模块进行了设计，整个视频点播系统采用C/S结构，由服务器，客户端2个部分组成，使用适合网络传输的流媒体格式Mpeg-2作为系统支持的格式，文中重点研究了服务器的视频服务模块以及客户端的接收模块和播放器模块，并利用线程池技术对系统进行实现。

This paper selects"Preparation and characterization of palladium-lanthanum supported catalyst and its use in the amination of 2, 6-diisopropylphenol"as the research subject of thesis for Doctor's Degree, and has theoretical importance and practical value.

因此，本论文选择了"钯-镧负载型催化剂的制备、表征及其在酚类胺化反应中的应用"这一课题，具有重要的理论意义和实用价值。

It is first reported and studied systematically about the changes occured during calcination, reduction and re-oxidation treatments of Pt ammine complex supported on β zeolite.

一。首次系统地研究了β沸石上Pt胺化合物经分解、还原及再氧化等处理过程中发生的变化，并提出关于Pt粒子大小及其状态变化的模型。

Using mordern physical chemistry techniques (such as XRD、 TG-DTA、 IR、 XPS and 〓Xe-NMR)、 chemical adsorption techniques (NH〓-TPD、 H〓-TPD、 TPO、 TPR etc.) and pulse flow microreaction of n-hexane、 methylcyclopentene and n-hexane containing 0.2ppm thiophene, we studied mainly the following three points:(1). the changes occured during the calcination pretreatment of Pt ammine complex supported on β and L zeolites;(2). the effect of structure and acidity-basicity of zeolite on the dispersion and electron state of Pt particles; and (3). the influence of second metal component on the reactivity of nhexane aromatization and sulphur-resistance of Pt/L zeolite catalyst. Several interesting and valuable results are obtained and summerized as follows

本论文运用各种近代物理表征方法(XRD、BET、TG-DTA、IR、XPS和〓Xe-NMR)、化学吸附技术(NH〓-TPD、H〓-TPD、TPO、TPR等)和正己烷、甲基环戊烷及含噻吩正己烷的脉冲微反等方法，着重研究了(1)载Pt的β和L沸石在分解预处理过程中发生的变化；(2)沸石载体结构及酸碱性对Pt粒子分散及电子状态的影响；(3)第二金属组份对载Pt沸石催化剂上正己烷芳构化及抗硫性能的影响等，得到了某些有意义的结果。

This thesis is supported by The Analects of Confucius and based on the research results of predecessors.

正是古人这种言说的不确定性及其无限的内蕴，为后人留下了广阔的想象空间，并使之具有了不断被诠释的可能性。

Tell the Ajax and JavaScript technology, and all aspects of the design, Next implementation of the system are described in detail, but also deliberately targeted system features supported by graphics module analysis the whole structure will be more clear.

在介绍了Ajax和JavaScript技术以及设计的各方面之后，接下来对系统的实现作了详尽的叙述，还特意针对系统的特色模块配以图表来分析，使得整个结构更为清晰。

Tell the Ajax and JavaScript technology, and all asp ects of the design, Next implementation of the system are described in detail, but also deliberately targeted system features supported by graphics module analysis the whole structure will be more clear.

在介绍了Ajax和JavaScript技术以及设计的各方面之后，接下来对系统的实现作了详尽的叙述，还特意针对系统的特色模块配以图表来分析，使得整个结构更为清晰。

Key words: partial differential equation; Lewy equation; real analytical; infinitely differential solution; compactly supported set

引用格 式：吴小庆。Lewy方程的无穷可微解。中国科技论文在线精品论文，2010，3(1)：19～27。

The hypothesis of a continuum of findings between exencephaly and anencephaly is supported by the obseration of residual brain tissue in about one third of cases of anencephaly(52) see Fig.

约1/3的无脑畸形病例中有残留的脑组织，这个观察资料支持露脑畸形和无脑畸形之间是连续病变表现的假设（见图10-37A-B，图 10-37C和10-38）。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。