基于VRML的金属材料热处理虚拟仿真系统

传统虚拟仿真系统在检测金属材料热处理的过程中容易出现变形,降低了系统的稳定性,为此基于VRML提出金属材料热处理虚拟仿真系统。基于VRML的金属材料热处理虚拟仿真系统应用CAD建模软件和仿真平台硬件系统,通过模拟推演对数据库进行管理和控制,了解金属在热处理中的状态,从而保证系统运行的稳定性。实验证明,基于VRML的金属材料热处理虚拟仿真系统具有较强的稳定性和高效性。     

基于分布式虚拟现实的高超声速飞行器仿真系统

针对高超声速飞行器X——38,基于Java和虚拟现实建模语言(VRML),提出并具体实现了一个基于客户机/服务器模型的分布式虚拟仿真系统,重点讨论了其中的三维场景建立与动作事件建模、分布式网络结构设计与数据库管理、场景接口实现等关键技术.虚拟仿真系统实际运行效果良好.该系统具有良好的可移植性和可扩展性,易于大规模部署,也可方便地进行二次开发.      

基于Web的虚拟产品开发系统研究

虚拟产品开发为产品设计和生产过程的优化提供了集成的建模和仿真环境,可缩短产品开发周期,降低开发成本。从系统功能、运行方式和安全性等方面介绍了基于Web的虚拟产品开发系统。     

虚拟装卸料机PLC控制系统的实现

设计了一套PLC控制系统来控制基于VC开发的虚拟装卸料机,PLC接收操作台及HMI的操作信息,在内部进行逻辑运算,输出控制信号到虚拟装卸料机,控制虚拟装卸料机按要求运行。本虚拟装卸料机系统可用于装卸料机操作工的教学培训。     

煤矿采运装备协同运行虚拟仿真教学系统设计

为弥补煤矿装备教学实验在实验成本、实验条件、安全性和交互性等方面的不足，通过分析协同运行关系与模型，描述使用Unity3D程序设计虚拟仿真教学系统的基本原理，设计和制作等比例缩小样机实验教学平台，完成了煤矿工作面采煤机和刮板输送机组成的采运装备协同运行虚拟仿真教学系统设计。依托该系统，通过虚实结合手段可以完成煤矿采运装备协同运行虚拟仿真教学实验，提升机械工程煤机方向研究生和本科生的科学实验与教学实践能力。     

钢铁冶金实践教学虚拟仿真教学平台建设

阐述了钢铁生产虚拟仿真教学平台的建设意义、内容,以及基于该平台所开展的冶金工程、材料成型与控制等专业的实践教学。通过虚拟仿真实践教学,有效解决了高危险、高污染环境下的实践教学难题,为钢铁冶金实践教学模式改革提供了可借鉴的经验。     

材料科学基础虚拟实验教学

讨论了虚拟实验技术在材料科学基础课程实验教学中的应用,探索了基于建模、仿真技术的课程实验仿真平台开发和基于网络技术的实验教学管理平台构建,可以直观展示实验原理,模拟工程现场情境,增强学生互动参与,实现远程自主学习,进而提升实验教学效果。     

面向金属矿山采矿实习的虚拟仿真实践教学系统开发

为满足采矿实习实践教学的要求,弥补现场采矿实习的不足,基于网络架构和国家级钢铁生产全流程虚拟仿真实验教学中心硬件条件,开发了金属矿山采矿虚拟仿真实践教学系统。该系统汲取了先进采矿方法和现代信息技术,考虑实践教学的务实性和创新性,设置认知学习、操作实践、设计开发和教学资源管理等功能,涵盖了地质勘探、露天采矿、地下采矿和矿山安全管理等内容,可支撑采矿工程及相关专业学生采矿实习实践。     

动态轻压下过程仿真系统

介绍了一种板坯连铸动态轻压下过程仿真系统,详细阐述了其原理、结构及功能.该仿真系统由几个功能相对独立的单元组成,能够模拟动态轻压下的动作过程.该系统的各类参数可灵活配置,且仿真过程中的各类参数完全可视化,既可作为在线轻压下模型的开发及调试平台,又可作为优化轻压下工艺参数的辅助工具.     

基于网络虚拟点歌仿真系统的研究

本文主要研究和探讨了网络虚拟点歌仿真系统的系统功能、体系结构、如何设计交互控制让VRML文件最小以及系统的后期优化,有效解决网络传输压力、降低浏览器工作量提高系统的运行性能文件.     

China's Major Non-ferrous Metals Imports & Exports

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Zinc Production by Province in 2014

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80% of Chinese Firms Purchasing Overseas Mines Ended up in the Red

<正>Minmetals Resources acquired the world’s largest copper mine under construction for USD5.85 billion.One after another,listed companies Jien Nickle,China Molybdenum and Chihong Zinc and Germanium raised money to get involved in overseas mining projects…SOEs and private enterprises are engaged in a frenzy of overseas mine purchasing.A reporter with Economic     

Copper Processing Profit Dropped Sharply,Copper Consumption Will Face Impact in the Second Half of the Year

正Judging from China’s copper consumption field,the biggest consumption unit is electric power,which accounts for 47%of total consumption;it is followed by light industry sector,including household electrical appliance,machinery,durable goods and hardware etc,which accounts for 22%of total consumption;followed by transportation field,     

Central Geological Prospecting Fund Newly Added 16.47 Million Tonnes of Bauxite in 2013

正In 2013,the Central Geological Prospecting Fund(CGPF)Project newly discovered 15 ore fields,including 3 large above ore fields,and 5medium sized ore fields.The reporter learned from the recently published"Annual Report of Central Geological Prospecting Fund Project(2013)"that,from 2006 to 2013 the CGPF     

Manufacturers of Copper Tube for Central Air Conditioner Use Face Mounting Pressure in the Final Quarter of the Year

正This year,the investment growth rate of real estate industry continued to slow down,sold area of commercial housing also dropped significantly,which brought huge pressure to the domestic air conditioning manufactures.In the first half of the year,by relying on high growth in national financial expenditure,along with investment in public infrastructure     

Xinjiang Ranks No.1 in Production of Primary Aluminum in China

正Kang Yi,Honorary Chairman of China Nonferrous Metals Industry Association,said recently at the Forum on Development of the Non-ferrous Metals Industry in Central and Western China held in Zhengzhou that,as more and more electrolytic aluminum factories in Xinjiang came into operation,the electrolytic aluminum output of Xinjiang had reached2,275,000 tons in the first 7 months this year,     

Shenhuo Coal Industry and Electricity Power Completed800,000 t/a Aluminum Project in Xinjiang

正"Xinjiang project has been completed according to schedule,but total completion and total start of production are two different concepts,after completion it still needs a gradual process of reaching production target."On the morning of November 3,Shenhuo Coal Industry and Electricity Power told investors the above statement on the investor interaction platform.     

Guangdong Metal Transaction Center has Become the Second Largest Precious Metal Transaction Platform Nationwide

正The reporter learned from Guangdong Province Precious Metal Transaction Center that in 2013the Center maintained healthy development momentum,and had become the second largest precious metal transaction platform in China in terms of market size;currently Guangdong is quickening steps of financial innovation for the Center,aiming to build a transaction center with international core competitiveness.     

Seven Rare Earth Projects Involving Close to 3 Billion Yuan Investment Landed In the HighTech Zone

正On May 22,Baotou Rare Earth Industry Cooperation Consultation MeetingProject Agreement-signing Ceremony was held in Ningbo,nearly 40 enterprises from Ningbo,Guangdong,Hunan,and Shanxi participated in project consultation.After multi-lateral communication,agreements were signed for a total of 7 rare earth projects successfully.