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A Distributed Web GIS Application Based on Component Technology and Fractal Image Compression 认领 引用
1
作者 HAN Jie 《武汉理工大学学报》 EI CAS 北大核心 2006年第S3期924-928,共5页
Geographic information system(GIS)technology is a combination of computer’s graphic and database to store and process spatial information.According to the users’demands,GIS exports the exact geographic information a... Geographic information system(GIS)technology is a combination of computer’s graphic and database to store and process spatial information.According to the users’demands,GIS exports the exact geographic information and related in-formation for users with map and description through associating geographic place and related attributes.Based on the existing pop-ular technology,this paper presents a distributed web GIS application based on component technology and fractal image compres-sion.It presents the basic framework of the proposed system at first,and then discusses the key technology of implementing this sys-tem;finally it designs a three-layer WEB GIS instance using VC++ATL based on Geo Beans.The example suggests the proposed design is correct,feasible and valid. 展开更多
关键词 geographic information system web technology component technology fractal image compression
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Applying a Highly Precise CAE Technology Component Model Automotive Bolt-Loosening Mechanism 认领 引用
2
作者 Takehiro Onodera Takahito Kozaki Kakuro Amasaka 《China-USA Business Review》 2013年第6期597-607,共11页
In this study, the authors apply their highly precise Computer Aided Education （CAE） technology component model to explain the bolt-loosening mechanism in automotive parts that are secured with nuts and bolts--a pro... In this study, the authors apply their highly precise Computer Aided Education （CAE） technology component model to explain the bolt-loosening mechanism in automotive parts that are secured with nuts and bolts--a problem that plagues manufacturers. This was accomplished by first visualizing the situation during prototype testing and then using CAE to accurately describe the problem. Specifically, three types of bolted pieces, each with a different pitch, were subjected to a prototype test in order to visualize their dynamic behavior along with changes in the amount of axial force applied to the bolted parts. And then, in conducting a high quality CAE analysis, the first step is to define the problem that needs to be solved and then model it using some kind of numerical formula. A computer is then used to analyze the model using an algorithm （calculation procedure）. The appropriateness, applicable scope, and performance of the algorithm itself are developed based on theory, and the computer technology （calculation technique） is able to actually perform the calculations. The analysis verified that uneven stress on nut-bearing surfaces in particular was a primary cause of loosening on parts secured with nuts and bolts. In conclusion, this study applied the highly precise CAE technology component model to explain the problems associated with the loosening of parts tightened with nuts and bolts as well as to clarify the mechanism involved in similar types of technical problems affecting the auto industry. The desired results were obtained. 展开更多
关键词 computer-aided engineering （CAE） technology component model nut-bearing surface
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Implementation of the Concept of Energy and Technological Compliance of Components in the Technology of Fluorocomposites 认领 引用
3
作者 Sergey Avdeychik Alexander Antonov +2 位作者 Alexander Lesun Vasily Struk Victor Goldade 《材料科学与工程（中英文A版）》 2022年第1期28-39,共12页
Structural and technological aspects of obtaining and processing functional composite materials based on PTFE(polytetrafluoroethylene)are considered.It is shown that,due to the features of the molecular structure of t... Structural and technological aspects of obtaining and processing functional composite materials based on PTFE(polytetrafluoroethylene)are considered.It is shown that,due to the features of the molecular structure of the matrix polymer,within the framework of the traditional technological paradigm,prerequisites are created for the implementation of a structural paradox,which manifests itself in a decrease in the parameters of the stress-strain and tribological characteristics of composites with an increase in the degree of filling.Within the framework of the concept of multilevel modification,methodological approaches to the implementation of the energy and technological compliance of components,which reduce the negative impact of the structural paradox,are considered. 展开更多
关键词 PTFE fluorocomposites structural paradox multilevel modification energy and technological compliance of components.
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A Components Library System Model and the Support Tool 认领 引用
4
作者 MIAOHuai-kou LIUHui LIUJing LIXiao-bo 《Wuhan University Journal of Natural Sciences》 EI CAS 2004年第5期722-730,共9页
Component-based development needs a well-designed components library and a set of support tools. This paper prasents the design and implementation of a components library system model and its support tool UMLCASE, A s... Component-based development needs a well-designed components library and a set of support tools. This paper prasents the design and implementation of a components library system model and its support tool UMLCASE, A set of practical CASE tools is constructed. UMLCASE can use UML to design Use Case Diagram, Class Diagram etc. And it integrates with components library system. Key words component technology - components library - support tool for components library CLC number TP 311. 52 - TP 311 Foundation item: Supported by the National Natural Science Fundation of China (60373072) and National 973 Program (2002CB312001)Biography: MIAO Huai-kou (1953-), male. Professor, research direction: formal methods, software engineering and automatic reasoning. 展开更多
关键词 component technology components library support tool for components library
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Research on the Component-based Software Architecture 认领 引用
5
作者 CHEN Hai-shan 《厦门大学学报（自然科学版）》 CAS 北大核心 2002年第S1期287-288,共2页
Computer software has been becoming more and more c om plex with the development of hardware. Thus, how to efficiently develop extensib le, maintainable and adaptable software occurs to be an urgent problem. The comp ... Computer software has been becoming more and more c om plex with the development of hardware. Thus, how to efficiently develop extensib le, maintainable and adaptable software occurs to be an urgent problem. The comp onent-based software development technique is a better method to solve the prob lem. In this paper, we first discuss the concept, description method and some fa miliar styles of software architecture, and then analyze the merits of using the software architecture to guide the software development. We also present a gene ral design method for component. Its applications are finally provided. 展开更多
关键词 software architecture component technology soft ware development application
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Dynamic Evaluation Model and Application Methods for Engineering Machine Maintenance Quality 认领 引用 被引量：3
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作者 WANG Jian WANG Yan-feng +1 位作者 DAI Ling WANG Xi 《International Journal of Plant Engineering and Management》 2012年第1期50-57,共8页
It is an important content of equipment management to keep the engineering machine well. Based on the theory of component technology and grey related algorithm arithmetic, the requirements and procedures of engineerin... It is an important content of equipment management to keep the engineering machine well. Based on the theory of component technology and grey related algorithm arithmetic, the requirements and procedures of engineering machine maintenance predicting process are analyzed, and a support object evaluation system is provided. The qualitative and quantitative indexes of evaluating process are fully taken into consideration to provide scientific methods and ways for proper evaluation and decision. 展开更多
关键词 engineering machine maintenance quality evaluating system component technology related algorithm arithmetic
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Research and Application Progress of Straw 认领 引用 被引量：2
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作者 Ben Chen Sarah Mohrmann +6 位作者 Haitao Li Milan Gaff Rodolfo Lorenzo Ileana Corbi Ottavia Corbi Kaidong Fang Min Li 《Journal of Renewable Materials》 SCIE EI CAS 2023年第2期599-623,共25页
Straw is a general term for the stem and leaf parts of mature crops,and is a multi-purpose renewable biomass energy resource in the agricultural ecosystem.The prospect of comprehensive utilization of straw has become ... Straw is a general term for the stem and leaf parts of mature crops,and is a multi-purpose renewable biomass energy resource in the agricultural ecosystem.The prospect of comprehensive utilization of straw has become broad with the development of agricultural production,the advancement of science and technology,and the improvement of the level of agricultural mechanization.The comprehensive utilization of straw plays an important role in enhancing the sustainable development ability of agricultural economy and improving the current situation of comprehensive utilization of agricultural resources in my country.This paper briefly combs the development history of straw and the prospect and current situation of comprehensive utilization,and expounds the separation technology of straw components,straw man-made panels,straw concrete,straw returning technology and oyster mushroom cultivation.It focuses on the description of the component separation technology of straw and the manufacturing process of straw-based panels.The different separation methods and separation effects of cellulose,hemicellulose and lignin were introduced in detail,and the static yield strength(MOR),internal bonding strength(IB)and water absorption thickness of several common straw-based panels were compared and studied(TS).Finally,it summarizes the benefit analysis of the comprehensive utilization of straw by scholars from the perspective of economics,and summarizes the corresponding measures based on their own views. 展开更多
关键词 Straw comprehensive utilization component separation technology straw-based panel straw concrete
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Design and Application of a Reconstruction System for Engineering Equipment Fault Diagnosis 认领 引用
8
作者 LI Jie WANG Jian +1 位作者 ZHANG Zhi DAI Ling 《International Journal of Plant Engineering and Management》 2009年第3期136-141,共6页
It is difficult to develop the corresponding fault diagnosis system and the software reusability is bad because the engineering equipment types are so many and their performance is diverse. This paper discussed the so... It is difficult to develop the corresponding fault diagnosis system and the software reusability is bad because the engineering equipment types are so many and their performance is diverse. This paper discussed the solution to engineering equipment integrated fault diagnosis system based on component technology, put forward the sys- tem model and gave the system frame design process and working principle. The software was designed based on the three-layer hierarchy. It is easy to rease and maintain, and the operation of the software is simple. A kind of new theory and method to develop the engineering equipment fault diagnosis system for the future was provided. 展开更多
关键词 engineering equipment component technology fault diagnosis system reconstruction
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Photonic integrated circuit components based on amorphous silicon-on-insulator technology 认领 引用
9
作者 Timo Lipka Lennart Moldenhauer +1 位作者 Jorg Muller Hoc Khiem Trieu 《Photonics Research》 SCIE EI CAS 2016年第3期126-134,共9页
We present integrated-optic building blocks and functional photonic devices based on amorphous siliconon-insulator technology. Efficient deep-etched fiber-to-chip grating couplers, low-loss single-mode photonic wire w... We present integrated-optic building blocks and functional photonic devices based on amorphous siliconon-insulator technology. Efficient deep-etched fiber-to-chip grating couplers, low-loss single-mode photonic wire waveguides, and compact power splitters are presented. Based on the sub-μm photonic wires, 2 × 2 Mach–Zehnder interferometers and add/drop microring resonators(MRRs) with low device footprints and high finesse up to 200 were realized and studied. Compact polarization rotators and splitters with ≥10 d B polarization extinction ratio were fabricated for the polarization management on-chip. The tuning and trimming capabilities of the material platform are demonstrated with efficient microheaters and a permanent device trimming method, which enabled the realization of energy-efficient photonic circuits. Wavelength multiplexers in the form of cascaded filter banks and 4 × 4 routers based on MRR switches are presented. Fabrication imperfections were analyzed and permanently corrected by an accurate laser-trimming method, thus enabling eight-channel multiplexers with record low metrics of sub-m W static power consumption and ≤1°C temperature overhead. The high quality of the functional devices, the high tuning efficiency, and the excellent trimming capabilities demonstrate the potential to realize low-cost, densely integrated, and ultralow-power 3D-stacked photonic circuits on top of CMOS microelectronics. 展开更多
关键词 Photonic integrated circuit components based on amorphous silicon-on-insulator technology SOI MRR OADM
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