The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time , the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations , we bring up a diesel exhaust cleanse system , that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction , after processing system frame design and trial matching , it ' s detected that the system can surely cleanse gas exhaust and particulate in addition , gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched , we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials , we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology 本文系统地介绍了国内外柴油机排气后处理技术的研究现状，分析了氧化催化转化器和微粒捕集器的发展现状及存在的问题，以此为基础，提出了一种柴油机排气净化系统，该系统采用催化转化与微粒捕集及再生相结合的技术路线，通过过滤材料的有效过滤，将排气中的微粒进行收集，借助于催化剂和柴油添加剂使排气中hc 、 co及高分子可溶性有机物氧化，产生的高温使得收集到的微粒部分氧化，从而达到降低排放的效果。通过系统结构设计和试验匹配，实现了对气体排放物和微粒的净化。同时，论文中还进行了柴油机微粒捕集器喷气助燃再生的研究，初步设计了喷气助燃系统，进行了控制系统软、硬件的开发，通过正交试验，摸索出了喷气助燃系统可靠工作的一般规律，为喷气助燃再生技术的开发提供了方向。
The third chapter is remote monitor based on internet , it describes the key point technology of network such as tcp / ip , and application model of network of c / s and b / s , and serial communications , and network socket . a design of network structure based on the combine model of c / s and b / s are present in this chapter 第三章是基于互联网的远程监测，对系统中涉及的关键网络技术如tcp ip 、 c s及b s网络应用模式、串行通讯技术、网络套接字技术等进行了分析阐述，并提出了一个基于c s与b s混合模式的远程监测系统结构设计方案。
The first chapter discussed the background of network teaching , the present research and the main contents of research . the second chapter introduced the technology of the concept of uml , the system structure , the model mechanism based on the rup of uml . the third chapter discuss the need analysis of network teaching system , build up the system model with uml 学位论文由以下章节组成,第一章讨论了网络教学的背景、研究现状和课题研究的主要内容,第二章对课题研究的基础技术为统一建模语言的概念、体系结构、建模机制以及基于uml的软件开发过程等做了轮廓描述,第三章基于网络教学系统的需求分析,借助uml对网络教学系统建模,第四章完成网络教学系统结构设计,第五章具体实现网络教学系统功能,第六章总结本课题的研究成果。
The paper applies feature modeling and web technology to research the system structure of mf - cad and develop the system function . the main working and conclusions in this paper are as follows : ( 1 ) based on the analyzing to design method of structure of the mf - cad system , paper discusses the structure of the mf - cad system and function demands , and profoundly discusses the system structure and function module of integrated capp / cafd system 本文应用特征建模和web技术研究机床夹具cad体系结构和开发mf - cad系统的功能模块，有以下研究成果和结论： ( 1 )通过对计算机辅助夹具系统结构设计方法的分析，论述了mf - cad系统的体系结构及功能要求，对capp cafd系统集成的体系结构和功能模块进行了深入探讨。
The main task of this paper is to describe the model of relation database and meilan airport mis , and applies its basic idea into projects to solve the practical problem of meilan airport mis . at first , this paper introduces the theory , technology and method of rdbms , and also describes the implementation method and procedure of meilan airport . we also give you the e - r diagram and database flow drawings and the method of how to create database objects ( tables , views , triggers , procedure and so on ) 0 the paper also describes ordbms and replication in ibm db2 5 . 2 并根据美兰机场航班信息管理系统的实际需要，设计了符合关系模型的、规范化的数据库，并给出数据库系统结构设计e - r图和数据流程图，详细论述了在db2中数据库设计的方法和过程，数据库对象( tablespace 、 trigger 、 view 、 schema 、 procedure等)创建的技巧和应用，对ibmdb25 . 2中实现面向对象的数据库的概念、 db2中定时备份航班数据及如何在db2中实现分布式数据库的数据库复制( replication )进行了探讨和应用。
This paper studies the architecture of ec system and middleware technology through analysis the present state of its applications , and puts forward the system design method and theory based on the middleware technology . it illustrates middleware and ec with eshop ( electronic shop ) prototype system in which introduces the concepts of cluster and connection pool 本文通过对电子商务和中间件技术现状的应用分析，对电子商务网站系统结构设计和中间件设计技术进行了研究，利用基于中间件技术的系统设计理论与方法实现了一个电子商务原型系统：电子商店( electronicshop ，以下简称eshop系统) 。
A convenient design method on a water environment management information system was approached by using com ( component object model ) technology and the longitude - latitude structure design method , so , the method can promote the expansibility of the information system , shorten its development cycle and satisfy different requirements 采用经纬式系统结构设计方法及com技术，从功能角度出发探讨了一种可定制通用水环境信息系统的设计方法与实现手段，从而提高了信息系统可扩展性，缩短了开发周期，该系统能满足不同部门的需求。
Aiming at the current competition between domestic commericial banks , this article makes a deeply analysis of implementing crm system from the view of both theory and practice . focusing on icbc jiangsu branch , it starts with analyzing the improtence and urgency of implementing crm system , and then analyses the financial computerization process and status quo of icbc jiangsu branceh . after this , it gives the requirment analysis , goal - design , function - design and structure - design of the global system 论文以中国工商银行江苏省分行为研究对象，首先阐述了江苏省工行实施客户关系管理系统的必要性和紧迫性，通过对江苏省工行金融电子化建设的过程和现状的分析，采用系统工程的方法，从需求分析、目标设计、功能设计、系统结构设计等方面对江苏省客户关系管理系统的实施方案进行了全面而系统的研究，并在此基础上对整个系统实施的投入产出以及实施的风险进行了分析。
