研究与开发
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This paper introduces the development process of wastewater disposal,it's auto control system,the level of nowadays and several new techniques of China and foreign countries. The immanent structure,control rules,main features and design methods of auto control systems in wastewater disposal process are studied in this paper. Aiming at four typical parameters,such as temperature,dissolved oxygen,PH and the planes of water,the Distributed Control System is designed,composed by PC called epigyny computer and SCM 8098 called hypogyny computer,and some sensors,shift deliver utensils and related meet orifices of parameters gathering and figures communication. The idea and work processes of some program modules are also introduced here. The programs in epigyny computer include the program of mutual interface between operator and computer,figure disposal program and chart output program,which are exploited with Visual Basic 6.0. And the programs in hypogyny computer are composed by figure gathering program,the progr am of supervision and control of system,communication program and meet orifice program between assemble language and VB,which are designed with assemble language.
本文介绍了国内外污水处理及其自动控制系统的发展过程、当今水平和提高自动化程度的若干新技术;研究了污水处理自动控制系统的内在结构、控制规律、主要特点和设计方法;选取污水处理中的典型参数温度、溶解氧、PH值和液位等为控制对象,设计了以个人计算机为上位机、以8098单片机为下位机,并辅之以传感器、变送器及相关接口单元所构成的二级集散控制系统;介绍了几个主要程序模块的设计思路、工作过程,这些程序模块是:用高级语言Visual Basic6.0开发的上位机人机交互界面程序、数据处理和图表输出程序,用执行效率高的汇编语言开发的下位机数据采集与系统监控程序、上位机与下位机之间的数据通信程序,汇编语言与VB之间的转接程序,等等。
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This paper introduces the development process of wastewater disposal,its auto control system,the level of nowadays and several new techniques of China and foreign countries. The immanent structure,control rules,main features and design methods of auto control systems in wastewater disposal process are studied in this paper. Aiming at four typical parameters,such as temperature,dissolved oxygen,PH and the planes of water,the Distributed Control System is designed,composed by PC called epigyny computer and SCM 8098 called hypogyny computer,and some sensors,shift deliver utensils and related meet orifices of parameters gathering and figures communication. The idea and work processes of some program modules are also introduced here. The programs in epigyny computer include the program of mutual interface between operator and computer,figure disposal program and chart output program,which are exploited with Visual Basic 6.0. And the programs in hypogyny computer are composed by figure gathering program,the program of supervision and control of system,communication program and meet orifice program between assemble language and VB,which are designed with assemble language.
本文介绍了国内外污水处理及其自动控制系统的发展过程、当今水平和提高自动化程度的若干新技术;研究了污水处理自动控制系统的内在结构、控制规律、主要特点和设计方法;选取污水处理中的典型参数温度、溶解氧、PH值和液位等为控制对象,设计了以个人计算机为上位机、以8098单片机为下位机,并辅之以传感器、变送器及相关接口单元所构成的二级集散控制系统;介绍了几个主要程序模块的设计思路、工作过程,这些程序模块是:用高级语言Visual Basic6.0开发的上位机人机交互界面程序、数据处理和图表输出程序,用执行效率高的汇编语言开发的下位机数据采集与系统监控程序、上位机与下位机之间的数据通信程序,汇编语言与VB之间的转接程序,等等。
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In the information era, there are many multimedia equipments in market, people can not use most of them freely. As a cost-effective system, SVS comes to undertake this role by providing professional large-screen display system and intelligent control system in overall. SVS insist to designing and producing large screen system, covering the products that based on projection technology, such as projector, projection TV, plasma, LCD TV, projection screen, video booth, Whiteboard, writing screen, big-screen mosaic system, matrix interface, video conferencing, central control system and other related accessories.Relying on a high level ideal of "creation and practical", with high-quality technology, market development and service team, SVS is in a fast lane of development. Since was built in 2003, has SVS achieved widespread attention and recognition in field, and established a good relationship with IT media, supporting manufacturers and industry research institutions, always thinking customers' demand and provide specific programs by Symposium, three-dimensional-type promotion, performance monitoring and analysis.
信息化时代,多媒体设备层出不穷,让人措手不及,无法真正去灵活运用,搭配出最佳适合用户需求的高性价比系统,SVS勇于承担这个角色,专业成就大屏幕显示系统与智能化控制系统整体方案设计及制造,SVS自始至终以大屏幕为主线,涵盖了以投影技术为基础或依托所开发、搭配或衍生的产品,包括投影机、背投电视、等离子、液晶电视、投影屏幕、视频展台、电子白板、书写屏、大屏幕拼接系统、矩阵接口、视频会议、中央控制系统及其他相关配件或零组件,公司依托一支具备"作风严禁、勇于创新、讲求实效"的高层次、高素质的技术开发、市场开拓及服务人才队伍,SVS正在惊人地快速发展,自创建以来,已经在业内取得了广泛的关注与认同,与IT媒体、配套生产商以及行业研究机构建立了良好的合作关系,始终以客户的需求为中心,帮助客户提供专项设计方案,专题讨论,立体式推广,效果监测和用户分析等各种服务,最大限度地方便客户,为客户提供解决方案,不断满足客户多样化、个性化、复合化的需要,帮助客户以最少的成本获取最大的收益。
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The paper mainly concerns about:(1)Proposing the idea of completing the job using GIS software by discussing deficiency of the traditional transportation job;(2)Discussing the transportation plan algorithm and the flow, in this foundation, designing the transportation model programming realization flow chart;(3)With the comparison of the domestic and foreign GIS software platform, determining ArcGIS Desktop which has large drawing edit and spatial analyse functions as the development platform of transportation planning;(4)In the data organization and the database establishment, by using the recent object-oriented spatial data— Geodatabase and UML, completing the system database design and establishment, including spatial database, attribute database as well as transportation network database
详细研究内容如下:(1)论述了传统交通规划软件存在问题,提出了利用GIS平台开发交通规划系统的基本思想;(2)论述了交通规划的算法和流程,在此基础上,设计了交通模型编程实现的流程图;(3)通过比较国内外GIS软件平台,选定了具有强大图形编辑和空间分析功能的ArcGIS桌面版为交通规划系统的开发平台;(4)在数据的组织和数据库的建立上使用新的面向对象的空间数据—Geodatabase,并利用统一建模语言UML完成了系统数据库的设计与建立,包括空间数据库,属性数据库以及交通网络数据库;(5)论述了系统编程实现的基本方法,在ArcMap下采用VBA编程方法自由地定制了系统界面;(6)利用ADO Data和数据网格控件存取交通规划系统预测功能所需的数据库;(7)采用VB对ArcObject控件扩展开发方式,实现系统功能的开发,即利用COM技术的扩展性在VB中创建ActiveX动态链接库来实现特定的系统功能,并集成在ArcMap中运行;(8)系统完成了交通发生预测、交通分布、缓冲区分析、道路的网络分析、公交
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This article rests on the BANT network-based planning techniques the research results, elaborated from the network curve model and the mathematical model and the network system function three aspects the network hierarchical structure theory and with the structure-symbol circuit analysis inner link, pointed out it is the basic theory which the project management software develops; Based on the BANT-BCWP1.0 software, is recognized from two aspects of the project management software development platform and the network ccommodating identification and is introduced the network hierarchical structure theory in the BANT project management software development practice.
贵州省电子计算机软件开发中心,贵阳 550002)本文依据BANT网络计划技术的研究成果,从网络曲线模型和数学模型及网络系统功能三个方面阐述了网络层次结构理论及其与结构符号网络理论的内在联系,指出它是项目管理软件开发的基础理论;依据BANT BCWP1.0软件,从项目管理软件的开发平台和网络相容辨识两个方面介绍了网络层次结构理论在BANT项目管理软件开发实践中的应用。
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To explore new synthetic methods, we set out a careful investigation of the reaction of benzimidazolium salt with many nucleophilic agents, including the active aromatic compounds and heteratom nucleophilic agents, and found that the quaternary C=N is not so active; when benzimidazolium salt is reacted with big nitrogen nucleophilic agent? phthalimide, it does not give the expected addition product, instead, produces N-alkyl phthalimide through alkyl-transfermation from benzimidazolium salt to phthalimide.
为了开发新的合成方法,研究了苯并咪唑盐与各种亲核试剂(活泼芳环与杂原子亲核试剂)的反应,发现苯并咪唑盐不与活泼芳环及杂原子亲核试剂发生2位加成反应;在与体积较大的位阻型N亲核试剂邻苯二甲酚亚胺反应时,未得到亲核试剂与极化的C=N的加成产物,而是得到N烷基化的邻苯二甲酰亚胺,进一步研究表明,苯并咪唑盐将1(3)位N上的烷基转移给了邻苯二甲酰亚胺,并讨论了其反应机理和取代基,溶剂效应。
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This paper analyzes the characters and environment of the software project management, studies various development methods. After absorbing the knowledge of software engineering, project management, object-oriented method, system engineering, artificial intelligence, distributed network management system, character and mapping technique, this paper puts forward the Agent-based method in software project management and lucubrates the Agent-based system analysis, system design and programming.
本文针对软件开发项目管理的特点和环境,分析比较了各种开发方法,吸收了软件工程、项目管理、面向对象方法与技术、系统工程、人工智能、分布式网络管理系统、特征及映射技术等领域的知识,提出了基于Agent的软件开发项目管理方法,对基于Agent的软件开发项目的系统分析、系统设计以及程序编制等方面进行了深入研究,并且采用可视化统一建模语言来自动生成基于Agent的应用程序模型。
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According to the GOC needing and the project of GD technology, this project is Base on GoC's SO2 production equipment and launched by GD University. The user of this system is GOC.Intelligent diagnosis technology is the integration of neural network technology, expert system technology and database technology, which is the result of development of science and technology. Making full use of it can diagnose faults effectively, guarantee the normal work and increase the productivity. It can also prevent the blindness of diagnosis and make the managements more normative. It has significant benefit on environment pollution diagnosis. In this paper, this Database system is summered and prospected.
本项目是根据广州石化安环部提出的:&广州石化重点污染源监测数据采集、分析与控制系统&建设需求及2002年广东省科技计划项目:&制造业企业环境管理体系建立与运行控制的关键技术研究&建立的;项目的开发方为广东工业大学,系统的用户为广州石化安环部,以广州石化年制硫量2万吨装置为研究对象,研究出一套通用的污染因素分析方法,在此分析方法之上,开发出一套基于数据库的污染源智能诊断专家系统,当出现污染物超标时,能根据各种工艺参数,快速、自动的推断出污染源的位置,从而可以采取相应的措施,控制污染物的排放,减少污染物的排放量与降低污染物的排放浓度,使得企业在满足环保要求的情况下连续有序的生产。
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The mechanism was to improve the main segment of post-insulin receptor, regulate the metabolism of lipid and the index of blood rheology, and lessen the weight etc. It played general function at diverse targets and segments. 2. The research was found to be true and feasible, which provided scientific new view and effective therapy. It founded good basis so as to offer the new theory of treating IR of type 2 DM, improve clinical effect and develop herbals with higher efficiency and lower toxicity.
本研究从理论、临床与实验等方面对2型糖尿病IR的病机、治法、疗效与机理进行了系统观察研究,充分验证了对本病的病机演变与治疗方法理论认识的正确性与可行性,为中医药防治2型糖尿病IR提供了一种科学实用的新思路与确实有效的新方法,并为建立中医药治疗2型糖尿病IR的新理论,进一步提高临床疗效,开发出高效低毒的治疗药物,奠定了良好的基础。
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In order to make these silver paste successfully used in commercial, a clear understanding is required for the complex relation between different parameters such as particles size, solid volume fraction, packing density on suspension printing and deformation and the mechanism of silver powder sintering shrinkage and the inorganic adhesive effect under the batch manufacture condition.The main emphasis of our researches was to improve the silver paste properties by developing a reliable, screen-printing paste suitable for fine lines and lower sintering porosity and good interface between thick film and glass substrate.
为开发电学性能稳定、高导电率、具有良好细线印刷性能及优良附着性的高性能电子浆料,本研究着眼于对影响参数进行详细剖析,找到关键控制参数,通过研究微观结构与粉末参数的对应关系,找到如何能制备出具有致密的厚膜结构与较低的孔隙率,并且其浆体与有机载体的界面区也要有明显的改善的电子浆体;同时对批量生产的银粉的形态与粉末烧结反应的收缩现象,无铅玻璃体系对银膜致密化等过程进行研究,获得致密高导的无铅银浆料。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力