我院电子阅览室利用情况分析

分别按专业、系部、年级、性别等方面统计了学生的开户情况，在不同的时间段调查了学生上机的目的，然后对学生在电子阅览室的开户情况和上机行为进行了深入分析，在此基础上，对我院电子阅览室的管理提出了几点建议。     

VB在电子阅览室管理中的应用

对计算机开发工具Visual basic（简称VB）在电子阅览室中的应用作了简单介绍，包括局域网内的通信与控制，数据库的使用以及Word打印排版等方面的使用。     

用vb.net开发电子阅览室机位分配系统

电子阅览室在使用新的一卡通系统后,针对一卡通软件某些方面的不足,采用vb．net开发了机位分配系统。本文对vb与vb．net两种开发工具以及它们的区别和该软件的一些新功能进行了讨论,并列出了程序中的部分源代码。     

用VB开发电子阅览室登录计费系统

介绍了基于VB SQL SERVER电子阅览室登录系统的设计与实现.从数据库设计、操作过程等方面讨论了所遇到的并解决的关键问题:登录功能的实现,语音功能、上机计时收费、打印收费功能以及各种统计查询功能的实现等,形成了一个完整的,功能较为齐全的,安全性和工作效率较高的电子阅览室登录系统.     

国家环境保护总局 关于加强废弃电子电气设备环境管理的公告

各省、自治区、直辖市环境保护局(厅):随着我国经济的快速发展,社会消费水平的不断提高,电子电气设备废弃量迅速增长,已经成为不可忽视的环境污染源。近年来,个别地区使用简陋设备和落后工艺回收利用废弃电子电气设备(以下简称电子废物),对当地环境造成了严重污染。为加强电子废物的环境管理,防止污染环境,促进以环境无害化方式回收利用和处置电子废物,变废为宝,化害为利,根据《固体废物污染环境防治法》有关规定,现公告如下:一、产生电子废物的单位,包括电子电气设备制造企业、电子电气设备维修服务企业和大量使用电子电气设备的企事业单位…     

实验室的危险化学品安全管理

高校实验室危险化学品使用品种繁多、性质各异,存储地点分散,使用人员较多,稍有不慎,就会发生安全事故。因此。危险化学品的安全管理是高等学校实验室安全管理工作的重要组成部分。要健全规章制度,加强安全教育,落实安全责任制,加大安全检查和整改力度,确保学校教学、科研、生产工作的安全顺利进行。     

大型复杂电子系统电子元器件选用与管理方法研究

电子元器件是组成电子系统的最小单元,电子元器件的选用与管理是电子系统设计中最关键的一步,也是系统质量和可靠性的基础。本文从电子元器件管理架构、电子元器件的优选以及进口电子元器件的选用控制等方面提出了一套大型复杂电子系统电子元器件选用与管理方法,以加强和规范系统电子元器件的管理和选用,提高大型复杂电子系统的质量和可靠性。     

电子制造企业的有害物质管理模式探讨

电子产品制造企业的管理工作必须要有相应的手段和实际的控制方法.本文总结了在电子制造企业中对有害物质的管理工作的体会和经验,阐述了电子制造企业应建立适应有害物质管理的组织机构和在企业内部应实施对有害物质控制的管理方法.对电子制造企业加强对有害物质的管理有一定的参考价值.     

农业部：未经授权不得使用绿色食品标志

据国务院法制办公室网站消息,农业部6日公布《绿色食品标志管理办法（征求意见稿）》,征求意见稿要求,未经中国绿色食品发展中心许可,任何单位和个人不得使用绿色食品标志。为加强绿色食品标志使用管理,维护生产经营者和消费者合法权益,农业部根据《中华人民共和国农产品质量安全法》、《中华人民共和国商标法》等法律,对1993年发布的《绿色食品标志管理办法》进行了修订。     

海外项目HSE管理工作的实施要点

采取多种措施,诸如强化监督和考核,保持设施完整性,加强项目现场安全管理、交通安全管理、消防安全管理,加强职业健康、环境保护以及防恐和安全保卫工作等,以实现HSE和防恐安全目标。达到HSE管理的最佳绩效,实现以人为本,和谐管理。     

基于ArcView的人机交互式土地资源遥感解译方法

对于大型复杂的土地资源遥感判读任务,传统的人工目视解译和常规的计算机遥感图像分析处理都难以满足这一要求。人机交互式判读解译方法使人与计算机相互配合,充分发挥各自的优势,可更准确有效地对遥感图像进行解译。运用ArcView软件进行土地资源遥感图像的人机交互式解译,探讨了该方法的实现过程和主要特点。     

The use of computer models in planning upland land use

The British Ecological Society has suggested that computer‐based techniques could be used in the coordination of policies across different land uses in upland planning. This paper looks briefly at one such technique — a linear programming model — and describes its use at a regional scale for the Sedburgh area in north‐west England. The paper concludes with consideration of why such models are not in more common use.     

A TECHNIQUE USED TO DETERMINE RANDOM POINT POSITION1

ABSTRACT: The Monte Carlo method is a procedure which takes advantage of the high speed of electronic computer in solving complex problems in physical and mathematical fields. A rigid technique to determine whether a random point falls within an arbitrary-shaped boundary is not available. This study is to present a new technique which can be used to determine whether a random point falls within any shape of boundary, together with its range of application. A modified fixed random walk procedure is also developed to solve the problems of groundwater movement. A flowchart and computer program are also demonstrated. Comparisons of this newly developed method are made with other approximate solutions. The results indicates that the new technique is more applicable and powerful than other methods.     

基于LabVIEW的焓差室监控软件设计

针对焓差室实时监控的复杂性,数据采集的多样性,基于LabVIEW设计了焓差室上位机监控软件,实现了上位机数据采集、计算、存储及监控。该软件能够实时采集数据曲线,查看历史记录,控制下位机,实时报警及计算空调器性能参数等功能。该界面设计友好,在线参数设定方便及扩展性强等优点,具有较高的实用价值。     

制冷设备对人体舒适温度影响的研究

舒适的环境温度对人的工作学习有重要影响,本文将选取校园内研究生实验室作为研究环境,通过空调控制室内温度及湿度,以男女学生为研究对象通过问卷调查法研究人体热感觉舒适温度及对应湿度,由研究数据分析结果得出夏季炎热室内人体舒适温度为24℃,对应的人体舒适相对湿度为50%,舒适温度刚好处于人体常温37℃的黄金分割处。室内温度、湿度与人体舒适满意度关系可近似为二阶函数曲线。分析数据及结果对研究实验室、办公室等工作场所在炎热夏季的温度和湿度设置有理论指导意义;通过对比不同人群的人体舒适温度和湿度对研究身体健康状况有理论参考价值。     

Experimental investigation on the phase change material-based modular heat exchanger for thermal management of a building

A phase change material (PCM)-based flat plate modular heat exchanger for free cooling application, suitable for the diurnal temperature variation that prevails during the summer months of Bangalore city, India is designed and experimentally investigated. The flow and other parameters selected in the present study are meant to suit the accelerated charging of the PCM in the modular heat exchanger during the early morning hours, and to provide cool energy to the room during the daytime, by circulating the ambient air through the heat exchanger at a lower velocity. It is observed from the charging experiments that the decrease in the inlet air temperature has more influence in reducing the solidification time than the increase in the inlet air velocity. The heat exchanger designed in the present investigation is capable of maintaining the room temperature around 30°C for a longer duration of 8 hr when the heat load is 0.5 kW. It is suggested to design the modular heat exchanger with a surface area proportionate to the present heat exchanger size when the room heat load increases beyond 0.5 kW, in order to maintain a minimum comfortable temperature of 30°C in the room.     

The influence of collection facility attributes on household collection rates of electronic waste: The case of televisions and computer monitors

In the US, household electronic waste collected for recycling is primarily by voluntary drop-off at designated collection facilities. This study examines the influence of specific collection facility attributes (recycling fees charged, number of days open, and driving distance) on the household collection rate of e-waste in the US state of Maine. Data were collected for household computer monitor and television collection for 92 municipal waste transfer facilities representing 30% of the state's population for one year. Results suggest that recycling fees are negatively correlated with the number of televisions and computer monitors collected; furthermore, the more frequently facilities were open, the more televisions and computer monitors were collected per capita. The distance from the facility had no correlation, which prompted an analysis of whether the existence of a curbside collection system in the municipality was influential. Results show a negative correlation between computer monitor and television collection and a municipality having recycling (but not e-waste) curbside collection. Based on the results of this study, policymakers may be able to increase the collection rate of household e-waste by eliminating or lowering recycling fees, expanding collection days and hours to increase convenience, and/or considering curbside collection of e-waste.     

A life cycle based multi-objective optimization model for the management of computer waste

The accelerating pace of waste generation from used electrical and electronic equipment is of growing global concern. Within this waste stream, computer hardware is quite significant in terms of both volume and risk to the environment because of the hazardous materials within it. The waste management hierarchy of prevention, reuse, recycle, treatment and disposal in landfill is accepted as a universal guideline for waste management. The contemporary concept of integrated solid waste management is very complex comprising of not only the environmental aspects or the technical aspects of the waste management hierarchy, but also incorporating economic, institutional, perceived risk and social issues in the context of complete life cycle of waste. Moreover, when to shift from one stage of hierarchy to another, is an involved decision warranting inclusion of several case specific issues. This paper presents a life cycle based multi-objective model that can help decision makers in integrated waste management. The proposed model has been applied to a case study of computer waste scenario in Delhi, India, which apart from having computer waste from its native population receives large quantities of imported second hand computers. The model has been used to evaluate management cost and reuse time span or life cycle of various streams of computer waste for different objectives of economy, perceived risk and environmental impact. The model results for different scenarios of waste generation have been analyzed to understand the tradeoffs between cost, perceived risk and environmental impact. The optimum life cycle of a computer desktop was observed to be shorter by 25% while optimizing cost than while optimizing impact to the environment or risk perceived by public. Proposed integrated approach can be useful for determining the optimum life cycle of computer waste, as well as optimum configuration of waste management facilities, for urban centers where computer waste related issues are of growing concern.     

A life cycle based multi-objective optimization model for the management of computer waste

The accelerating pace of waste generation from used electrical and electronic equipment is of growing global concern. Within this waste stream, computer hardware is quite significant in terms of both volume and risk to the environment because of the hazardous materials within it. The waste management hierarchy of prevention, reuse, recycle, treatment and disposal in landfill is accepted as a universal guideline for waste management. The contemporary concept of integrated solid waste management is very complex comprising of not only the environmental aspects or the technical aspects of the waste management hierarchy, but also incorporating economic, institutional, perceived risk and social issues in the context of complete life cycle of waste. Moreover, when to shift from one stage of hierarchy to another, is an involved decision warranting inclusion of several case specific issues. This paper presents a life cycle based multi-objective model that can help decision makers in integrated waste management. The proposed model has been applied to a case study of computer waste scenario in Delhi, India, which apart from having computer waste from its native population receives large quantities of imported second hand computers. The model has been used to evaluate management cost and reuse time span or life cycle of various streams of computer waste for different objectives of economy, perceived risk and environmental impact. The model results for different scenarios of waste generation have been analyzed to understand the tradeoffs between cost, perceived risk and environmental impact. The optimum life cycle of a computer desktop was observed to be shorter by 25% while optimizing cost than while optimizing impact to the environment or risk perceived by public. Proposed integrated approach can be useful for determining the optimum life cycle of computer waste, as well as optimum configuration of waste management facilities, for urban centers where computer waste related issues are of growing concern.