技术好地

This paper provides an advanced technology of remote data acquisition. It uses intimate wireless data transmission technology and GPRS data transmission technology in automation control system. In this way, the agility of system is improved. And it solves the problem of using automation technology in ocean, dynamic object, backland etc. This paper introduces the design for the system.

基于无线数传技术的数据采集系统》解决一套新型先进的远程数据采集技术，将短距离无线数传技术和GPRS数传技术相结合很好地应用于工业测控系统中，提高测控系统的灵活性，彻底解决现代自动化技术在海洋、移动物体、偏僻地区等不宜连线环境中应用的技术难题。

The way of combination of room lecturing and field visits will be applied to the training course and participants will have chance to visit some experimental farms and processing factories related to training course, which includes : High-yielding Cassava Plantation of Experimental Farm of CATAS; High-yielding Mountain Land Cassava Plantation of Xin Jin Farm in Qiongzhong, Hainan; High-yielding Cassava Plantation of Yacha Farm in Baisha, Hainan; High-yielding Sandy Land Cassava Plantation of Banqiao, Dongfang city, Hainan; Dan Zhou Song-Tao Starch Processing Factory; Tun Chang Cassava Starch Processing Factory and Cassava Alcohol Processing Factory of Yedao Corporation Limited etc, so as to let participants know more knowledge of cassava practical techniques and better understand what they learn in the room lectures.

受中华人民共和国商务部委托，中国热带农业科学院将于2008年11月6日－12月5日在海南省儋州市举办"非洲国家木薯生产与加工技术培训班"。培训班工作语言为英语，授课老师将由中国热带农业科学院的专家教授担任。本次培训的主要内容是：中国国情与中国改革开放以来所取得的成就；中国历史与文化简介；木薯淀粉加工技术；木薯酒精加工技术；木薯病虫害防治技术；木薯选育种技术；木薯生物技术；木薯高产栽培技术；木薯推广技术；木薯综合利用技术；木薯组织培养技术；木薯生理基础等等。该培训班采取教学与实践相结合的方式，培训期间，将安排学员参观和考察，从而使学员了解更多的木薯实用技术，更好地掌握所学知识。

The harm of worms' outbreak becomes greater and greater. Such make worm detection and defense technology face an increasingly tough challenge. Attack Signature Automatically Generation technology is one of the key technologies, this paper focuses on the ASAG technology for research, its main jobs include: 1）Analyzed the research status of ASAG technology from the overall, described its design goals and evaluation criteria, and the current approaches' limitations is given. 2） After deeply researching and analyzing a various of ASAG systems, a basic framework for the network ASAG system is presented, and the detailed analysis of the main function of the components in the framework is also presented. 3）An attack capture model based on distributed honey-pots system is presented. This mode integrates the anomaly detection which based on the mode of dubiety score in the honey-pots, can do a second filter for the samples in honey-pots, and improve the purity of the samples captured. 4） A simple noise-resilience ASAG algorithm is presented, which used the behavioral characteristics of the worm outbreak to generate efficient signatures of samples in the suspicious dataset, which contains large amounts of noisy data, under the complex environment.

攻击特征自动提取技术是网络蠕虫防御技术的关键技术，本文围绕攻击特征自动提取技术开展研究工作，其主要工作包括： 1）对攻击特征自动提取技术的研究现状进行了综述，介绍其设计目标与评价标准，并指出了现有方法存在的局限性； 2）在深入研究与分析各种攻击特征提取系统的基础上，提出基于网络的攻击特征自动提取系统的基本框架，并详细分析框架中各部件的主要功能； 3）提出了基于分布式蜜罐系统的攻击样本捕获模型，该模型在分布式蜜罐系统的基础上，结合基于可疑度模型的异常检测，对蜜罐中的样本进行二次过滤，较好地提高了捕获样本的纯净度； 4）提出一种简单抗噪的攻击特征自动提取算法，该算法利用蠕虫爆发时的行为特征，在复杂环境下含有大量噪声数据的可疑样本训练集中提取有效的特征，降低对样本纯净度的依赖。

This new platform, considering the relationship among teaching, learning and managing, solving the conflict of resources share and intelligence prosperity, adopting latest theory on learning and mature technology, has more advantages than the existing platform. Firstly, it integrates the advantages of Internet and Satellite communication system and achieves the seamless connection. Secondly, it adopts the coding technology of streaming media with MEPG-4, which makes it possible that the on-line instruction, the schedular broadcast instruction and the distributed course ware on demand can be broadcast on the two networks. Thirdly, it considers the problems of security, user certification and the protection of intelligence property. Fourthly, it is possible to link education resources from all united university, and is able to share resources for lifelong learning individuals or group.

此次清华大学远程教育播出平台的改造，本着现有平台与未来需求相结合；最新的学习理论与成熟的信息技术相结合；资源传输与对学生的学习支持相结合；教育资源开放与知识产权保护相结合的设计理念，综合考虑了远程教育环境中教、学、管三方面的需求和关系，因而具有多方面的优势：新平台整合了互联网和卫星网各自的优势，在技术上实现了天网与地网的无缝连接；新平台对传输的教育节目采用 MPEG-4编码方式进行流媒体播出，在传输上实现了基于两种网络的实时课堂直播、录播和基于互联网的分布式课件点播的多种需求；新平台集资源加密、用户认证和授权等功能于一体，可有效地保护远程教育中的知识产权；新平台将各联盟学校的教育资源进行整合后重新提供给学习的个体或团体，较好地实现了资源共享。

In order to take concerted action with the Ministry of Health on implement of permission policy on application of new medical technology, speed up the development of administration of application of medical technology, and reinforce the international collaboration, The First International Forum on High and New Medical Technology Application And The Second Symposium of National Medical Technology Application Management will be held at the Beijing Xiyuan Hotel on September 9th - 11th.

为更好地合卫生行政管理部门即将出台的"医疗新技术应用准入管理"政策的实施，推动我国医疗卫生技术应用管理事业的健康发展，加强国际交流与合作，特举办"首届中国国际医疗新技术应用研讨会暨第二届全国医疗卫生技术应用管理论坛"并作为卫生部国际交流与合作中心主办的"第十二届中国国际医用仪器设备展览会暨技术交流会"的系列活动之一，将于2003年9月9日至11日在北京西苑饭店隆重召开。大会将进行学术研讨，医疗新技术，新产品展示交流等活动。

In the studying of image segmentation, six crucial technologies havebeen developed successfully. 1 In one dimension histogram of original DRimage of luggage, there remain maximum-value wave crest havingapproximately stationary position, and the first minimum to the left of thewave crest performs excellently to be used to get rid of background of DRimage. 2 Open operation, one type of math morphology, is the right idea toerase luggage disturbance in DR image and at the same time, can be retaininteresting region appropriately. 3 After open operation, there are only a few minimums on image histogram, one of which can be to segment image furtherand achieves satisfying result. 4 Method of histogram analyzing and that oferosion performs well in the re-segmentation of conglutinative region in DRimage. 5 Method of image distance switch can ensure Luggage CT sectionautomatically obtained to have rich suspicious region information. 6 Todecompose structure element of math morphology is a way to save a great dealrunning time for automatically discerning interesting regions algorithm,apparently improving implementation efficiency.

在对图像可疑区域分割研究中，主要开发成功以下几项关键技术：1发现原始箱包DR图像的一维直方图中，均具有位置相对稳定的最大值波峰，以波峰左边第一个极小值为分割阈值，去除DR图像背景，效果非常好。2运用数学形态学中的开运算能够非常有效地去除箱子的干扰，同时能够比较好地保留可疑区域。3发现开运算后的DR图像直方图只有若干个极小值点的特点，其中用最大值波峰左边的第二个极小值点进一步分割DR图像，能够更有效地提取箱包中的可疑区域。4运用直方图分析法和腐蚀法，对粘连区域实行再分割，效果较好。5运用距离变换法，能确保自动设定的箱包CT截面包含丰富的可疑区域信息。6运用形态学结构元素分解技术，大幅度减少可疑区域的自动判别算法运行时间，提高算法软件执行效率。

Through the authorized strength of construction organization design, can consider all-sidedly the various specific execution conditions that will build project , foster strengths and circumvent weaknesses land will decide reasonable the programme of construction, determine construction order, construction method and labour organization, reasonably comprehensive arrangement will be under construction surely progress plan; To build the design scheme of project the reasonability on economy, the scientificness on technology with in enforcement the possibility on project expounds and proves offer basis; To build the unit planned and construction enterprise construction working plan and enforcement of authorized strength of capital construction of authorized strength to be under construction prepare to work to plan offer basis; Can will build construction and the design of project;, the construction organization work of technology and all construction arrangements of economy, front and rear and construction enterprise and specific project more combine closely; Can the construction unit and cooperation unit, department and department that directly attends , stage and stage and course - the relation between course coordinate better.

通过施工组织设计的编制，可以全面考虑拟建工程的各种具体施工条件，扬长避短地拟定合理的施工方案，确定施工顺序、施工方法和劳动组织，合理地统筹安排拟定施工进度计划；为拟建工程的设计方案在经济上的合理性，在技术上的科学性和在实施工程上的可能性进行论证提供依据；为建设单位编制基本建设计划和施工企业编制施工工作计划及实施施工准备工作计划提供依据；可以把拟建工程的设计与施工；、技术与经济、前方与后方和施工企业的全部施工安排与具体工程的施工组织工作更紧密地结合起来；可以把直接参加的施工单位与协作单位、部门与部门、阶段与阶段、过程-与过程之间的关系更好地协调起来。

Authors aim at describing the biommechanics of the female pole vault ing by analysing the basic technique of this event,and hope that those results will be hepful for coaches and vaulters to get a better understanding of the technique of this event, and to make the appropriate technical corrections directly after observing the errors of the athlete s techniqu

通过分析女子撑竿跳高一些较为普遍的技术动作来描述女子撑竿跳高的生物力学，以便帮助教练员、运动员更好地理解此项运动的动作技术，使教练员能更好地鉴别动作技术的错误，然后快速作出适当的校正。

The Virtual Reality technology ( Virtual Reality, is called for short VR ) is one kind of artificial invented environment that uses the computer technique to give rise to, and this kind of environment can come the perception by way of visual sense even sense of hearing and tactile sensation, and user observes and occurs " each other " effect to the environment by way of oneself direct ground of point of sight and many angles ground, and makes the very good ground of person and computer " to melt to an organic whole ", to one kind of feeling " being personally on the scene " person.

虚拟现实技术(Virtual Reality，简称VR)是利用计算机技术产生的一种人为虚拟的环境，这种环境可以通过视觉甚至听觉、触觉来感知，用户通过自己的视点直接地、多角度地对环境进行观察、发生&交互&作用，使人和计算机很好地&融为一体&，给人一种&身临其境&的感觉。

In the process of building and using the mass concrete structures, because of the effect of out-side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance Using nondestructive testing method to test the concrete"s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseasesThis dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic FEM to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, Researched the principles of the first-arriving waves" phase when the cracks" depths are not same, obtained the relation between the inversion point and the cracks" depth, which has the direction sense in the application of projects,The second part of this dissertation is CT , which used the ultrasonic wave running through the tested-substance to get arriving-time of the ultrasonic wave, then inverse the image This dissertation drawed one CT program which can well present the different little cells ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested-substance, CT has the better using foreground..

在混凝土结构的施工及使用过程中，由于受其自身及外界各种因素的影响，常常会产生一些缺陷，对结构物的承载能力和耐久性造成严重影响，采用无损检测技术进行质量检测和健康诊断，这对混凝土结构开展安全、稳定性评估以及病害隐患治理研究具有重要意义。本论文主要针对大体积混凝土结构缺陷的检测方法展开研究工作，重点讨论了超声波法检测混凝土结构裂缝的基本原理和方法及其特点、适用范围，运用动力有限元数值模拟其检测过程，探讨了有裂缝缺陷的混凝土结构在脉冲荷载作用下弹性波的传播及其变化特征，研究了不同裂缝深度下首波相位变化规律，得出了反转临界点与裂缝深度之间的关系，这对实际工程应用具有指导意义。声波CT是一种新的无损检测技术，它是利用声波穿透被检测体获取声波接收时间，来进行计算机反演成像的技术。本文利用直射线法编制了层析成像程序，能较好地呈现被检测物体各微小单元的声波速度分布图像，从而对检测体的质量状况作出诊断评估，具有较好的应用发展前景。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。