矿山企业通信系统设计的探讨

随着现代通信技术的发展，矿山企业通信系统已不再是传统的电话通信这一单一的方式，各种先进通信技术在矿山企业的应用日益广泛。本文详细介绍了组成矿山企业通信系统的各个子系统，并阐述了在设计中应注意的问题。     

矿山企业通信系统设计的探讨

随着电子通信技术的快速发展,传统单一的电话通信方式早已不能满足现代矿山企业的通信需求,各种先进的电子通信技术逐渐在矿上企业应用并推广。在此,本文就矿山企业通信系统设计中的各个子系统进行了详细介绍,并阐明其在设计中需要注意的问题。     

无线射频识别技术应用于煤炭行业中的可行性探索

无线射频识别技术（RFID）在矿井管理上应用的硬件系统由井下分站设备、天线、电子标签（TAG）、数据传输接口和地面设备组成,可实现预设的系统功能和信息化管理目标。随着电子标签技术的发展和普及,射频识别技术将极大地促进我国矿山企业的整体管理水平,减少安全事故的发生。RFID技术以其在数据存储、传递、通信方面的优势,给我国煤炭企业的信息化改造带来契机。     

基于数据仓库的矿山企业决策系统

提出了基于数据仓库的矿山企业决策系统,探讨了矿山数据仓库的结构、数据挖掘及相关技术.该系统可有效推动矿山信息化建设,提高矿山企业的管理水平.     

基于数据仓库的矿山企业决策支持系统研究

针对矿山企业的数据特点和决策任务需求，建立了基于数据仓库技术的矿山企业决策支持系统。本文给出了基于数据仓库的矿山企业DSS框架结构，对数据仓库、联机分析与数据挖掘系统构建中的问题进行了探讨。最后，结合某黄金矿山的质检DSS实际，给出了选厂质检决策支持系统的具体实施方法。系统在矿山成功应用后，取得了较为满意的效果。     

基于Intranet的矿山企业综合管理信息系统设计

Intranet是我国矿山企业网络管理信息系统发展的必然趋势。简述了Intranet技术的体系结构及其软硬件构成，讨论了建设矿山企业基于Intranet的综合管理信息系统主要功能，可为我国矿山企业开发建设其有效信息系统提供有益的借鉴。     

基于Web的矿山班组成本核算系统的设计和实现

论述了矿山企业以班组为基础的成本核算系统的设计思想及技术实现方法。该软件系统运用了INTERNET先进的B/S结构技术，为矿山企业解决了企业内部市场进销存管理、非材料管理、后台管理和成本核算等实际问题，它为矿山企业精细化管理和企业成本核算提供了具体的实现框架，为提高企业经济效益，起到了重要的作用。     

基于IPDRR框架的矿山企业数据安全治理体系研究

数字经济的高速发展对企业数字化转型提出了新的要求，矿山企业应通过数字化转型提升企业生产效率，降低管理成本，保证市场竞争优势和地位，在享受“数字红利”的同时规避数据安全风险。笔者通过分析矿山企业面临的数据安全风险，参考国内外数据安全框架及技术，开展数据安全治理体系研究，总结出一套适应于矿山企业的数据安全建设框架，通过构建标准、科学、系统的数据安全建设机制，保障矿山企业数据安全，助力矿山企业高质量发展。     

信息化技术在矿山企业监控系统中的应用

本文介绍了信息化技术在矿山企业综合监控系统设计中的应用。文中分析了矿山企业综合监控系统设计方案的选择方法,详细阐述了该系统硬件的结构、原理和软件的设计方法。该监控系统的成功使用,不仅使矿区的电力系统、设备和生产得到了有效地控制,也为企业的管理人员提供了一个控制、决策的平台,为企业的发展提供了有力的保障。     

数据仓库在处理矿井通风网络数据中的应用

数据仓库技术是新兴数据处理技术之一,对大型企业的事务分析、决策等具有很大意义。将数据仓库技术、数据挖掘技术引入到矿井通风网络数据处理这一研究领域,介绍了数据仓库的概念、特征以及数据分析的相关技术,讨论了矿山企业通风网络数据仓库的建立过程,提出了一种数据仓库技术与数据库技术相结合的矿山企业通风网络管理系统。     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

2014 second batch of rare earth quota released

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矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586