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JoLinda L. Thompson Kathe S. Obrig Laura E. Abate 《Medical reference services quarterly》2013,32(1):26-41
Funds made available at the close of the 2010–11 fiscal year allowed purchase of the EBSCO Discovery Service (EDS) for a year-long trial. The appeal of this web-scale discovery product that offers a Google-like interface to library resources was counter-balanced by concerns about quality of search results in an academic health science setting and the challenge of configuring an interface that serves the needs of a diverse group of library users. After initial configuration, usability testing with library users revealed the need for further work before general release. Of greatest concern were continuing issues with the relevance of items retrieved, appropriateness of system-supplied facet terms, and user difficulties with navigating the interface. EBSCO has worked with the library to better understand and identify problems and solutions. External roll-out to users occurred in June 2012. 相似文献
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电镜（SEM）和能谱仪（EDS）的联用可以方便且无损地对各种材料进行元素的定性分析、半定量分析甚至定量分析.其对EDS准确性的影响,从样品的制备,加速电压的选择以及重叠峰的识别三个方面进行了分析讨论. 相似文献
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文章基于三种国外主流的发现系统Summon、EDS和Primo,对图书馆界在发现系统评估与应用中出现的一些共性问题和分歧提出思考与分析,重点评述引进发现系统的必要性,评估发现系统的主要因素,以及展望未来发现系统的发展前景。 相似文献
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天然沸石红外光谱X粉末衍射及扫描电镜分析 总被引：7，自引：0，他引：7
本文用X衍射粉末衍射(XRD)和扫描电镜、X射线电子能谱(SEM/EDS)对天然沸石进行了表征。沸石的红外光谱主要由吸收的水份、沸石的骨架振动及Si-O或Al-O的振动引起。沸石表面粗糙,XRD分析表明该沸石属斜发沸石,EDS分析说明沸石主要由硅、铝、氧及钾等元素组成。 相似文献
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System View在EDA实验中的应用 总被引：1，自引：0，他引：1
在电子线路和通信课程的实验教学中,往往因为条件的限制而无法开设许多实验,本文推荐SystemView作为实验教学软件,它有强大的动态系统的模拟仿真功能,并适用于滤波器设计、信号处理、完整通信系统的设计与仿真等实验,可以构建一个良好的实验教学平台. 相似文献
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[目的/意义]利用发现系统揭示财经类事实型数据库,有利于用户发现和定位财经类信息资源。[方法/过程]通过文献调研、网络调研和厂商咨询,了解财经类事实型数据库发现服务的现状与问题,探索和思考利用发现系统揭示财经类事实型数据的具体实现方式以及存在的关键问题。[结果/结论]以本地索引和学科导航为突破口,设计利用发现系统揭示财经类事实型数据库的应用实例,同时针对中央索引的元数据结构及获取方式问题提出可行性建议。 相似文献
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资源发现系统功能分析及应用前景 总被引：5，自引：0，他引：5
介绍资源发现系统的产生背景、逻辑结构、功能特点及体系框架,指出当前资源发现系统需要引起关注的两个问题。结合清华大学的探索实践,阐述资源发现系统在图书馆应用的经验,提出数据驱动的知识服务新思路。 相似文献
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探讨传统中药蜕皮甾酮对大鼠实验性蛛网膜下腔出血后早期脑血管痉挛的干预效应。90只SD大鼠随机分为假手术组、SAH组、EDS干预组,观察各实验组大鼠24h死亡率和神经功能缺损、局部脑血流量及形态学变化。结果表明,与假手术组比较,SAH组大鼠有明显的神经功能缺损,局部脑血流量下降,基底动脉管腔缩小,内膜皱缩呈波纹状等形态学异常、EDS干预后神经功能缺损好转,局部脑血流量在EDS干预后12h增加,形态学也有不同程度改善。蜕皮甾酮能改善大鼠实验性蛛网膜下腔出血后早期脑血管痉挛。 相似文献
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《Journal of Web Librarianship》2013,7(4):246-260
AbstractIn January 2016, the University of Toledo Libraries implemented EBSCO Discovery Services (EDS) as its discovery layer. Administrators questioned whether users were able to find consortial material in the EDS, so they assembled a task force to conduct a pilot usability test. The task force gathered demographic data and recorded the screens of 25 students answering six task questions. Results showed participants could easily find most items except books, and for tasks that were open-ended, many students continued searching even though they found relevant material. To determine why participants could not find books, the task force consulted with EBSCO and discovered a configuration problem that was easily resolved by editing a mapping table and adding a custom limiter for print books. The searching issue was more difficult to determine, and the task force suggests a lack of library instruction may be at least partly to blame. Libraries invest significant resources in discovery layers. If users have difficulty using them or finding relevant material for their assignments, libraries need to address that issue and instruction is one solution. This pilot study reports on what the University Libraries did to make the EDS more usable for its users. 相似文献
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