Unpacking teachers’ intentions to integrate technology: A meta-analysis

The Technology Acceptance Model (TAM) is a key model describing teachers' intentions to use technology. This meta-analysis clarifies some of the contradictory findings surrounding the relations within the TAM for a sample of 45 studies comprising 300 correlations. We evaluate the overall fit of the TAM and its structural parameters, and quantify the between-sample variation through meta-analytic structural equation modeling. The TAM fitted the data well, and all structural parameters were statistically significant. On average, the TAM variables explained 39.2% of the variance in teachers' intentions to use technology. Several sample, measurement, and publication characteristics, including teachers’ experience and the representation of the TAM variables, moderated the relations within the TAM. Overall, the TAM represents a valid model explaining technology acceptance—however, the degree of explanation and the relative importance of predictors vary across samples. Implications for further research, in particular the generalizability of the TAM, are discussed.     

ErCl3-CaCl2体系的热力学优化和计算

根据实验测定的相图,运用CALPHAD技术对ErCl3-CaCl2体系进行了热力学优化和计算.计算出的相图属于简单低共熔型,低共熔点为850.92K,46.0%(摩尔分数)ErCl3,同时优化计算了该体系的液相混合焓和相互作用系数.这些热力学参数对于稀土金属及其合金的冶炼有重要意义.     

上古以母研究述评

以母在上古的音韵行为非常复杂,可以跟很多声母谐声、通假,如何解释这一现象,不同学者从不同角度进行了研究,结论不一。本文从音类、音值、演变过程等几个方面对上古以母的研究情况进行综述,并指出随着研究的深入,新出现的一些问题。     

基于SWOT理论视角的大学生创业支持系统研究

大学生创业支持系统是一项需要多方参与互动的系统模式。文章以SWOT为理论视角,运用系统的综合态势分析方法,剖析和梳理大学生创业内、外部的利弊因素,并加以重新匹配和组合,以建构针对性强、结构健全、特色鲜明、高效运作的大学生创业支持系统模式。     

Development and Implementation of the Inaugural Anatomy Education Research Institute (AERI 2017)

Education research is increasingly being recognized as a legitimate route for faculty development in universities. However, many anatomy faculty lack the appropriate training and access to experienced mentors who can help them develop their own education research projects. Inspired by the American Physiological Society’s Institute for Teaching and Learning, the coauthors proposed and developed the inaugural Anatomy Education Research Institute (AERI 2017). Funded by an American Association of Anatomists Innovations grant, the five-day institute was held in Bloomington, Indiana in July 2017. The coauthors spent two years preparing the conference schedule, inviting speakers who could discuss education research topics and mentor applicants, reviewing applications, developing assessment instruments for the institute, and hosting the institute. A total of 62 registered participants (applicants and invited speakers) attended AERI 2017. Through a series of presentations and workshops, participants were introduced to many aspects of education research and the Scholarship of Teaching and Learning, including developing rigorous education research questions, determining appropriate methods to assess these questions, and searching the education research literature. Each day also included regular time devoted to work on their own education research project with help from more experienced mentors. Throughout the conference, participants were encouraged to post information on Twitter, using the hashtag #AERI2017. Participants had strong positive impressions of the conference and strongly requested future AERI conferences be held. Follow-up analyses will assess the institute in alignment with Kirkpatrick’s Four Levels of Evaluation Model, though preliminary evaluation indicates AERI 2017 met the original aims of the proposal.     

TiO_2涂层与化学镀Ni—P用于铸件表面处理的研究

本文采用溶胶—凝胶法先在铸件表面涂覆一层TiO2薄膜,再对铸件进行化学镀Ni—P处理。研究表明,TiO2涂层可以有效减小铸件表面的孔隙率,弥补了Ni—P镀层直接覆盖在铸件表面易产生针孔的缺陷。与现有的铸件表面处理方法相比,本工艺改善了铸件的耐腐蚀性,而且较大地提高了沉积速率。在不增加过多成本的情况下,还节约了能源。     

无线传感器网络跨层通信协议综述与分析

设计基于跨层机制的通信协议,以达到优化网络性能、有效分配网络资源的目的,是无线传感器网络研究中的一项关键技术.对现有的基于跨层设计的网络通信协议进行综述和分析,并以跨层通信协议设计的目的性为着眼点,对跨层通信协议划分为3类：提高互操作性和增强网络适应性为目的的跨层设计,提高某些性能标准为目的的跨层设计和无分层模型设计.该分类方式有助于网络设计人员进行更具有针对性和实用性跨层设计.     

基于灰色系统GM（1,1）的组合预测模型及其应用

建立了一种基于灰色系统GM（1,1）的组合预测模型,该模型的预测结果是一个区间.建立的模型提高了预测精度及实用性,并进一步将其应用于上海世博会入园参观人数的预测.     

随机需求下缺货延期补给的易变质产品的库存策略

我们考虑需求率为随机波动函数且依赖于产品销售价格,当产品销售价格P固定;允许缺货,缺货部分延期供给,拖后率是β（t）=：e^-kt,k〉0,t是等待时间时。研究了单一易变质产品的最优订购策略。采用周期盘点的（T,S）库存策略,即每隔相同的订购周期时长T,将库存水平补充到S,在不考虑固定订购成本及订购提前期的前提下,短缺量部分延期供给,建立了库存模型。利用连续函数性质和泰勒展开分析了易变质产品最优订购策略的求解方法,给出算例并进行仿真,得到了问题的近似最优解。     

从《周易》视角看儒道会通

中国哲学素以儒、道互补而著称。儒、道两系均以《周易》为经典。《周易》以自身的特质和内蕴包含儒道发展的种子,含有容纳儒道的基因。《周易》古经是儒道同源的思想文本,《周易》传文使儒道会通真正实现,《周易》成为儒道共同的言说框架和思想场域,《周易》中奇偶符号、阴阳之道、天人合一等都为儒道会通提供了方法、载体、根据和视域,实现了儒道的兼收并蓄和圆融会通。