Microcomputer Network Management Information System for Construction Engineering Invite and Bidding

To assure that inviting and bidding are accomplished legally, normally and orderly in the construction engineering, a tangible market came into being by means of novel technologies, such as computers, networks and information managing so that exoteric, fair and equitable principles are embodied during inviting and bidding in the construction engineering. A framework model of the information managing system for inviting and bidding is proposed, which owns common functions and can be applied to usual construction engineering bargaining. Functions and characteristics of the computer network management system, which was developed and applied on the basis of the framework model, for construction engineering inviting and bidding information are demonstrated. In addition, pivotal technologies of developing the system also are expatiated.Anticipated effects are gained and the system is proved to own a friendly man machine interface after running and applying near a year. Maneuverability and expansibility is competent for inviting and bidding in the tangible construction market.     

专家系统在果树中的应用及研究进展

专家系统是一种模拟人类专家解决领域问题的计算机系统,它主要分为知识库、综合数据库、推理机、解释器、接口等几部分。现今,国内果树专家系统的应用类型主要分为果树栽培生产专家系统和果树营养、病虫害诊断防治决策系统两类;在果树专家系统上的应用研究最多的计算机理论主要是：人工神经网络、模糊神经网络、多媒体技术、Web技术等;果树专家系统的开发手段主要是利用现成的农业专家系统平台直接进行二次开发,还有少数是直接利用程序语言进行原型系统开发。今后随着信息技术的不断发展,利用果树学的特点结合先进的计算机理论和技术,将开发出动态的、更具智能化的果树专家系统。     

Dynamic Management of Engineering Cost Based on Internet in Construction Company

According to the need of engineering cost management reform and with the development of computer technology, application of Internet and establishment of national and local engineering cost information system, the construction company should have their engineering cost information system. Especially, there should be the dynamic information system for dynamic management of engineering cost to promote the reform of engineering cost management and satisfy the need of company development.     

Application of CIMS in the Quality Management of Building Enterprises

Application fields of CIMS and related technologies have become more and more wider,especially in manufacturing industry,but there isn't paid an attention to value in construction industry.This paper expounds the great functions of CIMS on improving the comprehensive competitive capabilities and quality of construction of building enterprises, as breakthrough with quality management and control of building engineering. On the basis of throughly analyzing the feasibility and necessarility of application of CIMS in construction enterprises,combining with the practical conditions of construction industry,it puts forward the point that CIMS's rope theory applied in manufacturing industry popularizes to construction industry. With making full use of the present conditions and combining with integrations of information and function of CIMS, the construction enterprises will set up CAQ systems of building engineering which are suitable for the practical conditions of China.     

Innovation of Construction Projects Management Based on the Five-dimension Modeling

Nowadays,the computer technology is applied more and more widely in the architecture,engineering and construction industries(AEC).This paper introduces a methodology of construction project management based on the five-dimension modeling which integrates three-dimension building models,resources and schedules by the development of virtual construction technology.The application of this method also influences several aspects of project management such as range,time,cost,resource,communication and information management.Finally,the process of 5D modeling and the management practice are presented through a real life case in Beijing which proves to be a more efficient,productive and economy project.     

渔业船联网工程体系应用现状分析

渔业船联网工程是通过在渔船上搭载信息感知、处理和传输装备,从而实现船与船、船与岸之间的信息交换和智能化服务,在渔业生产、海上通信、安全管理、渔政执法及海洋探测等领域具有的重要科学意义和实用价值。本文分析了渔业船联网工程体系的应用现状及演化趋势,详细总结了渔业船联网感知层、传输层和应用层的国内外现状及发展趋势,梳理了所涉及的关键技术和科学问题。围绕渔船探测、海洋通信、数据融合与挖掘等重大需求,分析了中国渔业船联网发展在基础研究、平台建设、尖端技术、装备工程、标准体系等方面存在的主要问题与障碍,指出了中国渔业船联网工程体系科技创新发展对策,提出了以“突破关键技术、研发核心装备、构建基础平台、形成创新能力”为目标、以“探索期、部署期、拓展期”为路线的系统工程发展建议。     

information Asymmetry Theory and Its Application in the Project Management

This paper introduces the basic content of information asymmetry theory and comments on the theory of information asymmetries.It establishes an information model in project management and analyzes the phenomenon of information asymmetries between owner and contractor in the phase of bidding and fulfilling.It presents some countermeasures of resolving information asymmetries in the project management such as building information network,devising reasonable contract,reinforcing government' s guidance,strengthening the good faith,breeding intermediate agency,building the system of early risk warning and so on.     

基层农村科技服务者信息行为与需求的分析

为了解中国信息化建设对基层农村科技服务产生了哪些影响及未来农村科技信息服务发展还面临哪些制约因素。本研究面向农村科技服务者开展问卷调查,基于来自中国14个省级地区的调查结果,从网络认知、网络应用、上网目的、上网地点、科技网站访问频次等方面分析了基层农村科技服务者的信息行为特征,并考察了各地区应用互联网开展科技服务的现状,在此基础上从信息内容和传播方式两个层面总结了农村科技服务者对网络科技信息的需求。最后以实证研究结论为依据,从网络科技信息资源建设、传播方式建设、农村信息服务设施建设、农民信息素质提升等方面提出推进基层农村科技服务信息化发展的对策建议。     

Enterprise Information Engineering Model and Its Integrated Support Environment

By analyzing the process of enterprise information engineering construction and intra relationship among information system requirement, business process modeling, application system constructing and project management, one of 4 meta model composed of requirement engineering, process engineering, application system engineering and support engineering is proposed for enterprise information engineering. The developments and applications of the business processes and its application systems are integrated into the same development space and application space. Basing on this, a prototype system composed of requirement modeling environment, business process modeling environment, application system modeling environment, and support engineering environment has been designed and built, which is used for supporting enterprise information engineering constructing. It is valued for the enterprise information engineering construction in our country.     

Management of Information Data of Urban Sewer Systems

The management of information data for urban sewer systems and the development and characteristics of geography information system are introduced briefly. The recording contents and characteristics of information data and the whole framework of geography information system of urban sewer systems are analyzed in this paper. It is realistic and promising to apply geography information system to the management of urban sewer systems.     

Application of MRP in Material Management of Building Construction

On the base of the logic flow chart of the building construction's material request plan,the three prerequisites are given for MRP being introduced into building construction:the construction item's project schedule,the listing of the materials that will be used in the construction item and the information of the current stock in the construction unit must be gained. The prerequisites are also solved: the construction item's project schedule is made through network planning technology and database's programming; the listing of the materials is memorized according to the construction act; the up_to_date storage information can be gained by contacting to the storehouse's management department in time. Finally, the material request plan is drafted by the method of MRP.     

EMIS expert management information system design and implementation

To solve the problems of the existing expert management information system, such as lack of general standard and lag of technical operation, etc., an Internet-based EMIS expert management information system is designed and implemented by using ASP.NET technology and multi-layer B/S structure mode. The system integrates three functions, i.e. network reporting, online review and automatic management, unifies the expert accreditation procedures and criteria and solves the confusion problem of the expert information structure system. It also reduces complexity and cost of system development, increases integrability and scalability, and provides an effective solution for the construction of national expert management information system.     

Development Trend of Computer Aided Architectural Design(CAAD)

Through the review of history of CAD and CAAD technology development,combined with the application condition of CAAD technology in architectural design,this paper analyzes the theory and advantage of Virtual Building design,dissertates the development trend of computer aided architectural design(CAAD).The Virtual Building model is a complete database including all of the building information,which can be applied in the whole building industry such as building design,structural design,facility management,costing etc.,so as to manage all of the information during the building's life circle.     

基于.NET分析与构建农民培训信息平台

农民培训信息平台建设是农民培训的重要手段。本文分析建立平台中农民培训现实需求,针对.NET和分布式数据库环境下构建基于XML Web Services信息平台所需理论和技术进行研究、探讨,提出开发平台应体现的功能和技术。对.NET架构下XML Web 服务和应用、分布式数据库系统环境及数据集成、查询、通用类设计及安全防范技术进行分析研究,构建出适应农民培训管理的信息平台。     

Intrusion Detection Based on Data Mining

As computer networks play increasingly vital roles in modern society, information security becomes one of the most important research issues in the field of information technology. But intrusions cause a serious security risk, how to efficiently prevent and detect intrusions becomes one of hot research problems in the field of information supervision. The traditional process of building the model of intrusion detection is slow, whose cost of research and development is high. However, data mining has unique advantages in acquiring unknown knowledge. So, intrusion detection based on data mining becomes a hot issue. The research background, architectures, techniques, problems to be solved and the future direction are discussed after analyzing current status of network intrusion and situation of R&D on intrusion detection and data mining.     

产乙醇工程菌构建方法的研究进展

归纳了产乙醇工程菌的构建方法,包括原生质体融合技术、不同水平上的基因工程技术（包括经典基因工程、代谢工程、全局转录调控工程和进化工程）及低能离子束介导转基因技术,分析了各项技术的优缺点,指出低能离子束介导转基因技术在构建工程菌方面的巨大应用潜力,以期为构建能利用新型碳源发酵乙醇的工程菌提供思路和依据。     

管控一体化在粮库中的应用

管控一体化是控制领域中的一个热门技术。在信息、电子、通讯、控制等技术的快速推动下，管理网络和控制网络的一体化技术取得了长足进步，管控一体化在工业控制系统中的应用也十分广泛。本文以中央储备粮赤壁直属库为例，介绍了直属库管理监控系。统的总体设计和具体实现，展现了一种结合Internet、Intranet和Infranet的应用模式。     

Problems in China''s Building Market and Their Countermeasures

There is chaos existed in the building market systems to some degrees in recent years, which has not only endangered the engineering quality and safety, but also has caused lower investment benefit as well as corrupted cadres and social vogue. So it is necessary to further rectify the building market. In this paper, the main existing problems including breaching the principle of bidding, contracting, rules of owners, monopolization and blockage, involving main bodies and government branches are analyzed. Then corresponding solutions in domestic building market from the standings of construction procedure, legal system, law execution supervision and management of main bodies are pointed out.     

农业高校图书馆与地方信息网站共建信息服务平台的研究

为了更好地发挥农业高校图书馆在农业信息化进程中的作用,更好地为当地的“三农”提供信息服务。通过网络访问的方法对山东省17个市辖区的农业信息网进行了调查,发现各地的农业信息网站严重缺乏专业信息机构的信息支持。结合农业图书馆的资源优势和地方网站的平台优势,提出农业高校图书馆与地方信息网站共建信息服务平台的具体设想,构建了“实用技术”、“专家在线”、“农民培训”、“农业统计”、“农家书屋”、“信息服务”6个模块的基本框架。     

Information Technology System of Virtual Logistics Enterprise

The conception of virtual logistics and virtual logistics enterprise are introduced,and the importance of information technology in virtual logistics organization is indicated.Then the four layer structure of the support system of virtual logistics enterprise is propaed,which are information collection technical,information share technical,information disposal technical and the theory and methods of information management.The five-layer construction of information system of virtual logistics enterprises is built.This paper can be of instructive significance to the building of the virtual logistics enterprise's information platform.