The development and application of silicon Neutron Transmutation Doping （NTD） technology in China

：The research and development history of silicon Neutron Transmutation Doping （NTD） technology and its applications at home and abroad are introduced in this paper. The advantages of NTD, compared with conventional technology of doping, are narrated. The principle of NTD as well as the implementation of the main procedures related to Si NTD is explained. The market demand tendency is prospected, and the advanced measures on NTD quality control are described.     

Simulation of Vertical Planetary Mill Based on Virtual Prototyping

The mechanical model of vertical planetary mill is set up, whose dynamic and kinetic characteristics are described as well. Based on the analysis of system dynamics of vertical planetary mill, virtual prototyping technology is applied in the simulation of this mill. The development of virtual prototype of equipment, virtual test and optimization of virtual prototype are stated in detail. Some useful conclusions which have theoretical meaning for the manufacturing of vertical planetary mill have been obtained. Furthermore, it is pointed out that virtual prototyping technology shows great advantage and is bound to become a main method of developing product in the future.     

Future Trends of Deep Sea Bed Mining Technology

The present status of deep sea bed mining technology for polymetallic nodules has been critically examined in light of its history of development the UNCLoS (the United Nation Convention on the Law of the Sea) regime and the current trends in research.The critical technologies have been highlighted and the need for system integration underscored. The deep sea bed environment and the engineering challenge were presented and the necessary features of the deep sea bed mining system for commercial mining was analyzed. The key accomplishments, problems and future bends in research in the development of the mining system are also discussed. Finally, it points out that the technology gaps can be filled by the time commercial mining is undertaken as a result of market conditions in its favor.     

Application of Computer Integration Technology for Fire Safety Analysis

With the development of information technology, the fire safety assessment of whole structure or region based on the computer simulation has become a hot topic. However, traditionally, the concerned studies are performed separately for different objectives and difficult to perform an overall evaluation. A new multi-dimensional integration model and methodology for fire safety assessment were presented and two newly developed integrated systems were introduced to demonstrate the function of integration simulation technology in this paper. The first one is the analysis on the fire-resistant behaviors of whole structure under real fire loads. The second one is the study on fire evaluation and emergency rescue of campus based on geography information technology (GIS). Some practical examples are presented to illuminate the advantages of computer integration technology on fire safety assessment and emphasize some problems in the simulation. The results show that the multi-dimensional integration model offers a new way and platform for the integrating fire safety assessment of whole structure or region, and the integrated software developed is the useful engineering tools for cost-saving and safe design.     

A collaborative platform for complex product development based on multi-domain unified modeling and simulation

In order to intensify market competition,manufacturing enterprises must improve their product innovation capability.It is difficult to integrate the system modeling,simulation and collaborative process management in complex product development.A collaborative platform for complex product development based on multi-domain unified modeling and simulation is proposed in this paper.The architecture of the platform is firstly stated.The idea and realization of three key technologies,i.e.multi-domain modeling and simulation for complex product,knowledge management for product design and simulation,multi-domain collaborative mechanism,are emphasized.Finally,an industry case is given.The demonstration of the system shows that integration architecture is the effective infrastructure for multi-domain collaborative product development.     

Study and Development of a Simulation System for Dynamic Evaluation on Man-machine Interface Design of Advanced Main Control Rooms of Nuclear Power Plants

Since the man-machine interfaces (MMI) of a main control room provide the control platform of a nuclear power plant (NPP),the development of the design quality of MMIs plays a very important role in the operation of a NPP. With the development of digital technology, the development of the advanced main control rooms (AMCRs) has become an inexorable trend. Therefore, the positive and the negative effects of AMCRs on human factors engineering need to be evaluated. For this p~, a simulation system has been studied and developed to quantitatively evaluate a MMI design from the viewpoint of human factors. The simulation system takes advantage of computer simulation technology to simulate an operating process of an interaction between operators and a MMI design under an instruction of an operation procedure of the AMCR of a NPP. Meanwhile, the necessary data are recorded for evaluation. It integrates two editors and one simulator. In the paper, the simulation system is presented in detail. Furthermore, one sample is given to show the results of each of these three subsystems.     

Precision blasting， current status and its prospective

Precision blasting, which is different from traditional control blasting, is regarded as the sign of new development stage of engineering blasting. The definition, connotation, technology system and current situa- tion of its application and development were described briefly. With regard to the prospect of precision blasting, following aspects for further study are recommended ： a. A multiple disciplinary study should be developed for a more understanding on the explosive energy release and quantitative blasting design; b. according to the require- ments of digital blasting objective, syncretic study of precision blasting and technology should be enhanced; c. numerical simulation was an important tool for optimizing engineering blasting scheme and blasting harmful effects control, a more elaborate precision numerical simulation method should be studied furthermore; d. the modernization and standardization of precision blasting construction should be enhanced.     

A resonant miniature electric field sensor using bulk-micromachining process

A novel design of a resonant miniature electric field sensor based on microfabrication technology is proposed. The operating principles and specifications, the design structure, and the silicon-based bulk-micromachining fabrication process are presented. The finite element simulation shows that our design can obtain good results in device parameters setting, and its simplicity and low-cost features make it an attractive product for future applications.     

Application of mesoscale modeling optimization to development of advanced materials

The rapid development of computer modeling in recent years offers opportunities for materials preparation in a more economic and efficient way. In the present paper, a practicable route for research and development of advanced materials by applying the visual and quantitative modeling technique on the mesoscale is introduced. A 3D simulation model is developed to describe the microstructure evolution during the whole process of deformation, recrystallization and grain growth in a material containing particles. In the light of simulation optimization, the long-term stabilized fine grain structures ideal for high-temperature applications are designed and produced. In addition, the feasibility, reliability and prospects of material development based on mesoscale modeling are discussed.     

Research on Container Behaviors Protocol

With the development of middleware technology, there are some new features to be adopted on demand in middleware platform based on container component. Aiming at the adaptation of middleware platform, from the nature of component container, this paper begins with behaviors features of EJB （Enterprise Java Bean） container, extracts general behaviors protocol of container, and defines its formal behaviors specification. In the end, the interactive relationship of components is described by WRIGHT language, and the configuration of whole system is shown. The method proposed in this paper mines the hidden features of framework of component container, and applies to refactor middleware platform in reflection and aspect-oriented programming technology.     

电厂系统仿真技术的发展

首先对国内外电力工业仿真技术和培训用仿真机的发展历史和现状进行了概述,其中重点论述了国内电力工业仿真技术的先进性和仿真机数量位居世界第一的现实;其次进一步阐述了仿真建模理论和学科发展对提高仿真技术的重要性,以及我国有关电力工业建模技术的部分研究成果;最后指出了我国电力工业仿真技术的发展趋向。     

现代军用仿真系统的新特点及技术对策

军用仿真技术是系统仿真应用领域的一个重要分支，也是军事和国防建设必不可少的重要支撑技术，该文综述了国内外军用仿真技术的发展概况和现代军用仿真技术的发展趋势，并以综合仿真系统为例，介绍了现代军用仿真系统的新特点及技术对策。     

液压系统建模和仿真技术现状及发展趋势

建模和仿真技术是液压系统的关键技术．根据当前国内外液压系统建模和仿真技术的研究与应用成果,综合归纳了目前液压系统建模和仿真技术研究现状,指出了目前主要建模方法有解析建模法、传递函数建模法、功率键合图建模法、液压大系统建模法和面向对象技术建模法等,并介绍了液压建模及仿真技术的发展趋势。     

无人驾驶车辆虚拟测试技术的发展

 无人驾驶车辆测试是无人驾驶车辆上路前的一个重要环节,其在实测阶段需要消耗大量的人力、物力、财力及时间,而无人驾驶车辆虚拟仿真测试技术则可以帮助测试大大减少消耗、提高效率。介绍了无人驾驶车辆虚拟仿真的应用、利用深度学习训练无人驾驶车辆的应用以及平行驾驶技术对于无人驾驶车辆虚拟测试技术的重要性;阐述了无人驾驶车辆虚拟测试技术的发展趋势;介绍了无人驾驶车辆相关平台;根据当前发展阐述了无人驾驶车辆虚拟测试的意义。     

计算机模拟技术在材料科学中的应用

针对计算机模拟技术在材料科学中所起的重要作用,综合介绍了它的研究范畴和技术类型,列举了计算机模拟在研究材料的合成和制备,组成和结构,性能测试和分析中的若干应用实例,展示了计算机模拟在材料科学中的应用前景。     

基于双层进化模型的现代城市CBD空间形态演化仿真

针对当前城市中央商务区（CBD）经济现象的演化难以进行仿真模拟的问题，结合多Agent（MAS）理论及计算机仿真技术，提出了一种基于双层进化的仿真演化模型。采用NetLogo作为仿真平台，重点对CBD内企业集聚、CBD空间形态的变化进行仿真，模拟了核心布局、轴线布局、滨水布局及不同扩散方式下的CBD演化。该研究为探究未来中央商务区的演化规律、 CBD规划建设及发展规律等提供了新的思路。     

Simulation technology for refrigeration and air conditioning appliances

The output of refrigeration and air-condition appli- ances have been increasing rapidly in recent years, es- pecially in China. For example, the annual output of room air conditioners in China is over two thirds of the world total, and the use of air cond…     

基于MATLAB的AGV运行故障仿真研究

自动导引车（AGV）是自动化物流技术的三大标志之一。介绍了AGV及其发展现状,提出了一种基于MATLAB语言的AGV运行故障仿真思想,并结合具体实例进行仿真,为AGV的选型提供了一种参考思路。     

现代EDA技术与电子类基础课实验教学改革

EDA技术是一种从事电子元件产品和系统设计及仿真的综合技术。随着EDA技术的发展和在教学中的运用，传统的电子类实验教学方法越来越不适应现代电子技术和现代实验教学发展要求。从EDA技术的特点出发。提出传统实验教学改革的必要性、合理性及方法。     

虚拟现实仿真技术与应用

虚拟现实是新发展起来的一门仿真技术,已成功应用于工程设计、军事与航空航天和娱乐等领域,并正在逐步影响到人们的日常生活。本文较全面、系统地阐述了虚拟现实发展历史、技术基础和应用研究情况,并根据目前技术现状,对虚拟现实技术未来的完善和发展提出了自己的看法。