On the viability of supporting institutional sharing of remote laboratory facilities

Laboratories are generally regarded as critical to engineering education, and yet educational institutions face significant challenges in developing and maintaining high-quality laboratory facilities. Remote laboratories are increasingly being explored as a partial solution to this challenge, with research showing that – for the right learning outcomes – they can be viable adjuncts or alternatives to conventional hands-on laboratories. One consequential opportunity arising from the inherent support for distributed access is the possibility of cross-institutional shared facilities. While both technical feasibility and pedagogic implications of remote laboratories have been well studied within the literature, the organisational and logistical issues associated with shared facilities have received limited consideration. This paper uses an existing national-scale laboratory sharing initiative, along with a related survey and laboratory sharing data, to analyse a range of factors that can affect engagement in laboratory sharing. The paper also discusses the implications for supporting ongoing laboratory sharing.     

A numerical study on the dynamics of droplet formation in a microfluidic double T-junction

In this study, droplet formations in microfluidic double T-junctions (MFDTD) are investigated based on a two-dimensional numerical model with volume of fluid method. Parametric ranges for generating alternating droplet formation (ADF) are identified. A physical background responsible for the ADF is suggested by analyzing the dynamical stability of flow system. Since the phase discrepancy between dispersed flows is mainly caused by non-symmetrical breaking of merging droplet, merging regime becomes the alternating regime at appropriate conditions. In addition, the effects of channel geometries on droplet formation are studied in terms of relative channel width. The predicted results show that the ADF region is shifted toward lower capillary numbers when channel width ratio is less than unity. The alternating droplet size increases with the increase of channel width ratio. When this ratio reaches unity, alternating droplets can be formed at very high water fraction (wf = 0.8). The droplet formation in MFDTD depends significantly on the viscosity ratio, and the droplet size in ADF decreases with the increase of the viscosity ratio. The understanding of underlying physics of the ADF phenomenon is useful for many applications, including nanoparticle synthesis with different concentrations, hydrogel bead generation, and cell transplantation in biomedical therapy.     

如何阐释和表述传统文论范畴——评刘方喜《声情说——诗学思想之中国表述》

范畴研究对于中国古代文论研究的意义和作用,在上世纪九十年代以来实现了方法论意义上的自觉,并且带动了当时的研究,对中国古代文论研究的学术深化产生了积极的推动作用.但是新世纪以来,随着整个学术和思想文化语境的变迁,范畴研究的学术价值在一定程度上受到了一些质疑,究其原因,不外有二:一、阐释向度的单一,尤其是一味地采取"以西解中"的诠释方法,从通行的文学概论教科书的概念和定义出发,寻找传统文论中的某一范畴进行一番内涵阐述,而最终的结果则难免将传统文论范畴作为西方文论的一个注脚,以印证西方文论之普适性意义.     

大连市旅游业空间布局优化及其发展战略构想

独特的城市经营理念和发展模式让大连旅游业迅速崛起,产业地位和发展阶段也因此发生了显著变化."十一五"时期将成为大连旅游提升产业素质、调整产业结构的历史转折期.在对大连旅游发展环境与旅游资源分析的基础上,对"十一五"期间大连旅游业的空间布局调整和优化、旅游总体发展战略体系构建提出了一些独到的见解.     

数字图书馆研究的新作--读《数字图书馆导论》

2004年5月，湖北人民出版社出版了由夏立新博士等人编著的《数字图书馆导论》一书。全书从理论到实践，从技术到应用，对数字图书馆的理论、技术、法律、应用等方面进行了全面论述，内容系统完整，层次清晰。纵览全书，笔者认为该书主要有以下几个特点。     

OPAC与网络教育资源共享集成方案的研究

通过讨论OPAC与网络教育资源共享集成所面临的问题，如不同的元数据格式、不同的技术标准、不同的支持平台以及不同的管理模式，提出了实现两种资源共享集成的解决方案和系统模型，开发了联邦检索系统F-search，并在实践中得到了验证。     

复杂装备供应链确信可靠性评价与优化研究

基于复杂装备研制特征,提出一种基于确信可靠性理论的复杂装备供应链可靠性评价方法.从供货质量可靠性、产品交付可靠性和研制成本可靠性三个维度建立成员企业可靠性评价指标,分别基于概率测度和不确定测度构建通用零部件供应商和新研零部件供应商的确信可靠性评价模型.通过计算累积可靠性消除新研零部件供应商可靠性之间的相互影响,并利用系...     

第27届亚锦赛中国男篮失利原因分析

运用文献资料法、录像观察法以及数理统计法法,对第27届男篮亚锦赛中国男篮比赛失利的原因进行分析,研究结果表明:中国男篮技战术水平的下降,体能以及对抗能力的不足,球队缺少系统的合练,球员缺乏斗志,这些因素导致了中国男篮的失利,并针对这些问题提出了建议。     

云南景谷陀螺传统体育文化之教育传承途径探析

文章采用文献资料法、田野调查法、归纳分析法等研究方法,从教育人类学的视角,调查分析了云南景谷县的社会教育、家庭教育及学校教育在陀螺传统体育文化的传承现状和困境,并提出相应对策建议,以期为云南景谷陀螺传统体育文化的传承以及其他面临同样情况的"少数民族传统体育文化"的保存与发展起到借鉴作用。     

语言磨蚀理论对开展ESP教学的启示

专门用途英语(ESP)是指与某一特定学科领域或专业知识相关的英语,是根据学习者特定的需要或目的而开设的英语语言课程。本文阐述了影响外语磨蚀的主要因素,探讨了开展ESP教学对于防止外语学习者的语言磨蚀及完善我国大学英语教学的启示。