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| 1 | MOOC:一场教育的风暴要来了吗?显示文摘就在一年间,MOOC (Massive Open Online Course,大规模在线课程)热遍全球。MOOC的发展让大学充满激情却又面临挑战。高等院校必须重新思考自己的定位大学究竟是什么?它是学习环境的设计者?学生学习的促进者?学分的认证者?学习产出的评估者?还只是学位的授予者?大学将如何迎接这即将来临的疾风骤雨? | 王左利 | 2013 | 中国教育网络2013，，4： | 128 |
| 2 | 国内MOOC研究现状的文献分析显示文摘MOOC(Massive Open Online Course)即'大规模在线开放课程',因其大规模和开放性等特点,已成为国内外互联网上的热点,与之相关的非正式言论和正式的学术研究纷至沓来。对MOOC实践和研究的深入分析既是MOOC现实发展的需要,也是其可持续发展的要求。国内MOOC的发展已然将成燎原之势,在相关实践中亮点与不足并存,与之对应的是,国内对MOOC的学术研究状况既有亮点,亦有较大的上升空间。本文试图在全球MOOC发展热潮的背景下,参照国外MOOC相关研究成果,梳理国内MOOC相关的学术和非学术文献,综合国内MOOC相关学术会议情况,探讨国内MOOC研究的特点和值得关注的问题。 | 郝丹 | 2013 | 中国远程教育2013，，21： | 398 |
| 3 | 基于OpenStack构建私有云计算平台显示文摘云计算是近几年来IT领域非常热门的研究方向,而私有云凭借其安全性、可控性以及有效利用IT设备资源等特性,在云计算领域占据重要位置。本文详细介绍了OpenStack开源云计算平台的架构以及OpenStack的5个功能模块的关系,并重点介绍了一种基于OpenStack构建私有云的方案。此外,本文还分享了私有云平台搭建过程中遇到的问题和解决方法,并分析了此私有云平台的安全性以及弹性计算资源分配能力。 | 李小宁 李磊 金连文 黎德生 | 2012 | 电信科学2012，28，9： | 73 |
| 4 | 从联系中看MOOC、微课和微课程显示文摘2010年8月,比尔·盖茨在世界经济合作与发展论坛(Techonomy Conference)上预言:"未来五年,网络将成为最好的学校"。不到三年,MOOC(Massive Open Online Courses,大规模开放网络课程)、微课、微课程接踵而来。源于斯坦福的Udacity、Coursera,以及麻省和哈佛联手创办的edX——领军全球的MOOC三大主流机构携越来越多的加盟大学进入网络课程。 | 金陵 | 2013 | 中国信息技术教育2013，，6： | 63 |
| 5 | The Open Quantum Materials Database (OQMD): assessing the accuracy of DFT formation energies显示文摘The Open Quantum Materials Database(OQMD)is a high-throughput database currently consisting of nearly 300,000 density functional theory(DFT)total energy calculations of compounds from the Inorganic Crystal Structure Database(ICSD)and decorations of commonly occurring crystal structures.To maximise the impact of these data,the entire database is being made available,without restrictions,at www.oqmd.org/download.In this paper,we outline the structure and contents of the database,and then use it to evaluate the accuracy of the calculations therein by comparing DFT predictions with experimental measurements for the stability of all elemental ground-state structures and 1,670 experimental formation energies of compounds.This represents the largest comparison between DFT and experimental formation energies to date.The apparent mean absolute error between experimental measurements and our calculations is 0.096 eV/atom.In order to estimate how much error to attribute to the DFT calculations,we also examine deviation between different experimental measurements themselves where multiple sources are available,and find a surprisingly large mean absolute error of 0.082 eV/atom.Hence,we suggest that a significant fraction of the error between DFT and experimental formation energies may be attributed to experimental uncertainties.Finally,we evaluate the stability of compounds in the OQMD(including compounds obtained from the ICSD as well as hypothetical structures),which allows us to predict the existence of~3,200 new compounds that have not been experimentally characterised and uncover trends in material discovery,based on historical data available within the ICSD. | Scott Kirklin James E Saal Bryce Meredig Alex Thompson Jeff W Doak Muratahan Aykol Stephan Rühl Chris Wolverton | 2015 | npj Computational Materials2015，，1： | 62 |
| 6 | “慕课”背景下思政课教学改革的问题逻辑视角显示文摘"慕课"是英文MOOCs的音译.即“大规模在线开放课程”(Massively Open Online Course)的英文简称。这一大规模在线课程掀起的风暴始于2011年秋天.在短短一年多时间席卷全球数十个国家.600多万名参与学习者遍布全世界220多个国家,其影响范围之广、扩张速度之快、冲击力之强,犹如地震海啸,一些人将互联网技术引发的这场教育变革称为“MOOCs风暴”。 | 李梁 | 2014 | 中国高等教育2014，，2： | 58 |
| 7 | Service-aware 6G:An intelligent and open network based on the convergence of communication,computing and caching显示文摘With the proliferation of the Internet of Things(IoT),various services are emerging with totally different features and requirements,which cannot be supported by the current fifth generation of mobile cellular networks(5G).The future sixth generation of mobile cellular networks(6G)is expected to have the capability to support new and unknown services with changing requirements.Hence,in addition to enhancing its capability by 10–100 times compared with 5G,6G should also be intelligent and open to adapt to the ever-changing services in the IoT,which requires a convergence of Communication,Computing and Caching(3C).Based on the analysis of the requirements of new services for 6G,this paper identifies key enabling technologies for an intelligent and open 6G network,all featured with 3C convergence.These technologies cover fundamental and emerging topics,including 3C-based spectrum management,radio channel construction,delay-aware transmission,wireless distributed computing,and network self-evolution.From the detailed analysis of these 3C-based technologies presented in this paper,we can see that although they are promising to enable an intelligent and open 6G,more efforts are needed to realize the expected 6G network. | Yiqing Zhou Ling Liu Lu Wang Ning Hui Xinyu Cui Jie Wu Yan Peng Yanli Qi Chengwen Xing | 2020 | Digital Communications and Networks2020，6，3： | 57 |
| 8 | 开放存取出版模式及发展策略显示文摘开放存取是一种新的基于网络的电子期刊出版方式,对中国和世界科学的发展具有深远的意义和影响。本文通过对国内外现有的开放存取出版实践方面的调研,结合对中国科学院科研人员和科技期刊编辑的调查问卷结果的统计与分析,对中国出版界参与开放存取提出了相应的对策。中国出版界应参与并推动科技期刊的开放存取,研究和制订开放存取期刊发展的政策,通过多种途径为开放存取期刊提供经费支持,明确开放存取期刊的发展策略,同时保护作者和读者的合法权益。 | 李麟 初景利 | 2006 | 中国科技期刊研究2006，17，3： | 35 |
| 9 | 汽车嵌入式系统开发方法、体系架构和流程显示文摘介绍了汽车嵌入式系统的内涵,回顾了汽车嵌入式系统的技术发展历史,分析了未来汽车嵌入式系统发展的特点,并得出以下结论:开发一个高效、可靠的汽车嵌入式系统离不开简明精确的开发方法、完善细致的体系架构和详细合理的开发流程.在此基础上,概括了汽车嵌入式系统开发的技术体系,并具体地从基于模型的开发方法、基于AUTOSAR(automotive open system architecture)的体系架构以及基于V模式的开发流程3个方面介绍了该技术体系.这三者分别从对象的描述、对象的层次结构和开发的时间顺序3个不同的方面对嵌入式系统的开发方法做了定义和约束,从而保证了这个开发体系的可靠性和完整性. | 魏学哲 戴海峰 孙泽昌 | 2012 | 同济大学学报(自然科学版)2012，40，7： | 40 |
| 10 | MOOC:高等教育国际化加速 访教育部科技发展中心主任李志民显示文摘《中国教育网络》:MOOC(Massive Open Online Courses)与之前的在线课程以及公开课相比,怎么理解是一个巨大的改变? | 王左利 | 2013 | 中国教育网络2013，，4： | 35 |
| 11 | MOOC背后的理念显示文摘一次性给10000名或更多的学生上课是什么景象?这是真的吗?一项对从事开放网络课程( massive open online courses,MOOC )教学的老师进行的调查显示, | 李纪元 | 2013 | 中国教育网络2013，，4： | 35 |
| 12 | SDN环境下基于KNN的DDoS攻击检测方法显示文摘DDo S攻击是当前互联网面临的主要威胁之一,如何快速准确地检测DDo S攻击是网络安全领域研究的热点问题。文中提出了一种在SDN环境下基于KNN算法的模块化DDo S攻击检测方法,该方法选取SDN网络的5个关键流量特征,采用优化的KNN算法对选取的流量特征进行流量异常检测,最后基于NOX控制器和Net FPGA交换机进行了实验验证。实验结果表明:相对其他的分类检测算法,所提的检测方案具有更高的识别率和更低的误报率。 | 肖甫 马俊青 黄洵松 王汝传 | 2015 | 南京邮电大学学报(自然科学版)2015，35，1： | 34 |
| 13 | 世界主要国家SCI论文的OA发表费用调查显示文摘开放存取(open access,OA)出版采取作者或机构付费、读者免费的出版模式,在很大程度上消除了信息获取的障碍,从而提高了论文的影响力和传播范围.因此,OA出版模式在21世纪初一经推出便得到全球科学界的广泛响应和强力推动~[1~3].OA论文主要发表于"完全OA期刊"和"混合OA期刊"."完全OA期刊"通常是指没有纸版的纯网络期刊,"混合OA期刊"则是传统出版和OA出版相结合, | 程维红 任胜利 | 2016 | 科学通报2016，61，26： | 31 |
| 14 | Draining Tangjiashan Barrier Lake after Wenchuan Earthquake and the flood propagation after the dam break显示文摘Tangjiashan Barrier Lake is one of the largest barrier lakes caused by the Wenchuan Earthquake. Its risk analysis, emergency plan and effect of the emergency plan are introduced in this paper. The dam height of Tangjiashan Barrier Dam is about 105 m, and the reservoir storage capacity is 3.2×108 m3. When the dam broke the flood peak were estimated to be larger than 48000 m3/s, which might cause a enormous disaster to the downstream cities and residents. A discharge channel with 13 m deep and 8 m wide was drug, so that the water may flow out of the lake before the dam breaks. As a result, the drainage and risk mitigation project are successful. During the drainage process, the flood peak was about 6500 m3/s, and about 1.6×108 m3 of water was drained off and the residual reservoir capacity was only 8.97×107 m3. A new channel with average width 100 m was formed, which can bear floods of 200 years frequency. The successful experience and the collected data can be used to deal with the similar natural disasters in future. | LIU Ning1, ZHANG JianXin2, LIN Wei3, CHENG WuYI4 & CHEN ZuYu5 1 Ministry of Water Resources of the People’s Republic of China, Beijing 100053, China 2 Bureau of Hydrology of the Ministry of Water Resources of the People’s Republic of China, Beijing 100053, China 3 Sichuan Hydrographic and Water Resources Survey Bureau Chengdu 610031, China 4 HydroChina Chengdu Engineering Corporation, Chengdu 610072, China 5 China Institute of Water Resources and Hydropower Research, Beijing 100044, China | 2009 | Science China(Technological Sciences)2009，52，4： | 29 |
| 15 | 基于NURBS曲面的水稻叶形态建模显示文摘讨论了对水稻叶进行形态建模可采用的方法,介绍了一种基于NURBS曲面的水稻叶形态建模的方法,叙述了控制点的计算过程。利用NURBS在形状定义和设计方面的优点,可以根据实际情况灵活方便地对根据模型建立的叶片进行调整。本模型通过OpenInventorJava实现绘制渲染,效果良好。 | 刘晓东 曹云飞 刘国荣 胡昭 | 2004 | 微电子学与计算机2004，21，9： | 29 |
| 16 | 集成Docker容器的OpenStack云平台性能研究显示文摘针对Open Stack云平台虚拟机未能较好利用宿主物理机资源的问题,结合基于组件工作的Open Stack在云平台管理中的高效性和Docker容器虚拟化的快速部署优势,搭建基于Docker容器技术的Open Stack云平台。对云平台管理的Docker容器中实际运行的客户机操作系统进行计算、调度、内存访问、文件读写等基础性能测试,做出相关性能的评估与分析,并在多实例运行状态下将其与Open Stack传统虚拟机进行性能比较。分析结果表明,该云平台能够利用Docker容器的轻量级虚拟化优势,优化云计算管理系统的计算性能和文件读写性能。 | 杨鹏 马志程 彭博 姚建国 | 2017 | 计算机工程2017，34，8： | 30 |
| 17 | 图书馆2.0环境下信息集成服务研究显示文摘图书馆2.0是Web2.0在图书馆信息服务中的应用,是图书馆服务范式的转变。图书馆2.0环境下信息集成服务的特征是:参与性、开放性、个性化和友好性。图书馆2.0环境下集成服务涉及的内容有:信息资源集成、技术集成、服务集成和人员集成。WebOPAC服务是目前最活跃的图书馆2.0应用。它采用插件、Ajax等2.0技术,集成了多种资源和服务,是图书馆2.0环境下信息集成服务的重要方式。 | 焦玉英 刘颖 | 2008 | 中国图书馆学报2008，34，5： | 28 |
| 18 | 英国推出大规模在线课程平台以应对美国的竞争显示文摘据英国《泰晤士高等教育副刊》2012年12月14日报道,开放大学(The Open University)将推出英国大规模在线课程平台Mooc),以应对来自美国实力强劲的教育机构的竞争。 | 黄喆 | 2013 | 比较教育研究2013，35，2： | 27 |
| 19 | Overview of hepatitis B virus mutations and theirimplications in the management of infection显示文摘Hepatitis B virus(HBV)affects approximately two billion people worldwide and more than 240 million people in the world are currently chronic carrier that could develop serious complications in the future,like liver cirrhosis and hepatocellular carcinoma.Although an extended HBV immunization program is being carried out since the early‘80s,representing effective preventive measure,leading to a dramatic reduction of HBV hepatitis incidence,globally HBV infection still represents a major public health problem.The HBV virus is a DNA virus belongs to the Hepadnaviridae family.The HBV-DNA is a circular,partial double strand genome.All coding information is on the minus DNA strand and it is organized into four open reading frames.Despite hepatitis B virus is a DNA virus,it has a high mutation rate due to its replicative strategy,that leads to the production of many nonidentical variants at each cycle of replication.In fact,it contains a polymerase without the proofreading activity,and uses an RNA intermediate(pg RNA)during its replication,so error frequencies are comparable to those seen in retroviruses and other RNA viruses rather than in more stable DNA viruses.Due to the low fidelity of the polymerase,the high replication rate and the overlapping reading frames,mutations occur throughout the genome and they have been identified both in the structural and not structural gene.The arise of mutations being to develop of a whole of viral variants called'quasi-species'and the prevalent population,which favors virus replication,was selected by viral fitness,host’s immune pressure and external pressure,i.e.,vaccination or antiviral therapy.Naturally occurring mutations were found both in acute and chronic subjects.In the present review we examine and discuss the most recent available data about HBV genetic variability and its significance. | Patrizia Caligiuri Rita Cerruti Giancarlo Icardi Bianca Bruzzone | 2016 | World Journal of Gastroenterology2016，22，1： | 25 |
| 20 | The structure of turbulent flow through submerged flexible vegetation显示文摘The hydrodynamics of turbulent flow through submerged flexible vegetation is investigated in a flume using acoustic Doppler velocimetery(ADV)measurements.The flow characteristics such as the energetics and momentum transfer derived from convcntional spectral and quadrant analyses are considered as the flow encounters a finite vegetation patch.Consistent with numerous canopy flow experiments,a shear layer and coherent vortex structures near the canopy top emerge caused by Kelvin-Helmholtz instabilities after the flow equilibrates with the vegetated layer.These in stabilities are commonly attributed to velocity differences between non-vegetated and vegetated canopy layers in agreement with numerous experiments and simulations conducted on dense rigid canopies.The power-spectral density function for vertical velocity turbulent fluctuations at different downstream positions starting from the edge of the vegetation layer are also computed.For a preset water depth,the dominant dimensionless frequency is found to be surprisingly invariant around 0.027 despite large differences in vegetation densities.The ejection and sweep events significantly contribute to the Reynolds stresses near the top of the vegetation.The momentum flux carried by ejections is larger than its counterpart carried by the sweeps above the canopy top.However,the momentum flux carried by sweeps is larger below the top of the canopy. | Wen-xin Huai Jiao Zhang Gabriel G.Katul Yong-guang Cheng Xue Tang Wei-jie Wang | 2019 | Journal of Hydrodynamics2019，31，2： | 26 |
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