复吹转炉溅渣护炉工艺冷态模拟实验     

王艳  钟良才  朱英雄 《辽宁科技学院学报》2006,8(2):11-13

通过冷态模拟实验,对16o顶枪的复吹转炉溅渣护炉效果进行了定量测定,得到最佳工艺参数为顶吹气体流量40000Nm3/h,渣量13t,底吹气体流量864Nm3/h,最佳溅渣枪位为2900～3500mm.  相似文献   

关于专业发展学校研究的几个问题   总被引：2，自引：0，他引：2  

黄甫全 《华南师范大学学报(社会科学版)》2006,2(2):104-110

当前教师/ 专业发展学校0研究中, 出现了几个有冲突的术语概念。深入的考察和清理表明, 术语/ 教学专业0或/ 教育专业0比/ 教师专业0更具合理性, / 教学专业化0包含了/ 教师专业化0; / 教师发展学校0则容易流于抽象而空洞的/ 教师发展0, 因而应该修正为/ 教师专业发展学校0,以回归/ 专业发展学校0并促进真正而具体化的/ 教师专业发展0; / 专业发展学校0的价值取向不是/ 教师为本0, 而是/ 学习需要定向0; 深化/ 专业发展学校0研究的思维方式, 需要超越/ 封闭割裂0而走向/ 开放整合0。  相似文献   

Teachers’ perception of mobile edutainment for special needs learners: the Malaysian case     

Anuar Mohd Yusof  Esther Gnanamalar Sarojini Daniel  Wah Yun Low  Kamarulzaman Ab. Aziz 《International Journal of Inclusive Education》2013,17(12):1237-1246

Study of Malaysian adoption of mobile learning (m-learning) is still in the early stages. However, there are numerous researchers in the country exploring the potential and application of m-learning in the Malaysian education system, including special education. A key question is whether teachers are prepared to incorporate mobile technology as part of their teaching tools or do teachers perceive mobile technology only as personal communication gadgets. This paper investigates teachers' perception of m-learning applications in special education classes. Interviews were conducted to collect related information on teachers' perceptions of m-learning in the selected schools. The teachers expressed that there are limited resources to cater to the attention of special needs learners and they believed edutainment technologies such as augmented reality, game-based educational software and animation projects could be the answer. The benefits and challenges of implementing blended learning for special education are also discussed. The paper concludes by summarising the current environment of m-learning in Malaysian special needs education, together with recommendations for future use of the technology.  相似文献   

Learning through intermediate problems in creating cognitive models     

Kazuhisa Miwa  Junya Morita  Ryuichi Nakaike  Hitoshi Terai 《Interactive Learning Environments》2013,21(3):326-350

Cognitive modelling is one of the representative research methods in cognitive science. It is believed that creating cognitive models promotes learners’ meta-cognitive activities such as self-monitoring and reflecting on their own cognitive processing. Preceding studies have confirmed that such meta-cognitive activities actually promote learning effects. However, there are some difficulties in bringing about learning by creating cognitive models in an educational context. To overcome the difficulties, we propose an innovative learning design, ‘learning through intermediate problems’ and also developed a web-based production system called DoCoPro that can be used anywhere and anytime in an environment connected to the Internet. We performed three introductory cognitive science classes in which the participants learned cognitive modelling and constructed running computer models using our system. In the first and second classes, the participants were required to construct production system models that solve pulley problems. They also posed their original pulley problems that their own models were subsequently able to solve. These generated problems were distributed to the other members. The participants were able to find incompleteness in their cognitive models, revise them to remove the incompleteness, and improve their models while solving the given problems. The participants, by successfully creating sophisticated models, acquired a deeper knowledge of the learning domain. The class practices confirmed the utility of ‘learning through intermediate problems’ when constructing an educational environment for learning creating cognitive models. In the third class, the participants constructed cognitive models solving addition and subtraction problems using DoCoPro. The cognitive processing underlying such problem solving is automated, therefore it may be difficult to verbalize and externalize such cognitive processes. The post-questionnaire showed evidence that the participants actually performed meta-cognitive activities while monitoring their own internal information processing.  相似文献   

Building a whole school approach and teacher efficacy with English language learners     

Penny Haworth  Alyson McGee  Lesieli Kupu MacIntyre 《Teachers and Teaching》2013,19(2):164-177

Current professional development initiatives show a preference for whole school approaches. However, pedagogy related to English language learners (ELLs) is often not widely dispersed in New Zealand primary schools, impacting on teacher efficacy with these learners. This paper discusses findings from a qualitative study which aimed to identify influences shaping the dispersal of ELL-related pedagogy in two schools in contrasting socio-economic areas. Data from semi-structured individual interviews with teachers at different class levels revealed unique patterns for the dispersal of ELL-related pedagogy in each school. Teacher data indicated that these patterns were influenced by the performance of ELLs in national standards testing, as well as the special characteristics of ELLs in each setting and the distinctive nature of each context. The dispersal of ELL pedagogy in each school impacted differentially on opportunities to build a sense of collective teaching efficacy with ELLs in that setting, but also raised questions about whether one size should be expected to fit all.  相似文献   

国内外标点符号研究综述     

张亚平 《海外英语》2013,(9)

中西方对标点符号的研究各有不同的侧重点。文章从标点符号的理论定位、当代国内外对标点符号的研究、第一语言中标点符号的相关研究回顾、第二语言中（二语写作、二语阅读等）标点符号的实证研究等方面对标点符号进行了系统的综述,并重点介绍以英语作为第二语言的学生对标点符号使用态度的研究,最后对标点研究的不足和需要补充之处进行总结概括。  相似文献   

The impact of workplace information literacy on organizational innovation: An empirical study     

《International Journal of Information Management》2020

The present study investigates the relationship between CEO’s information literacy and innovation in small and medium-sized enterprises (SMEs). Even if information literacy’s business value has been recognized in recent literature, its impact on organizational innovation, a critical and strongly information intensive process, has never been studied before. Structural equation modeling based analysis of data collected from 184 company CEOs in Finland revealed that CEOs’ information literacy has a positive impact on the development of exploratory and exploitative innovations in SMEs. Additionally, opportunity recognition mediates the relationship between information literacy and innovation. Overall, the influence of information literacy is slightly stronger on exploitation than exploration. Nevertheless, the mutual positive effect suggests that information literacy enhances innovation ambidexterity in organizations. Based on these findings, we discuss theoretical and practical implications as well as future research opportunities in workplace information literacy research.  相似文献   

Exploring student learning approaches on an initial teacher education programme: A comparison of mature learners and direct entry third-level students     

《Teaching and Teacher Education》2018

This article compares the learning approaches of students on an initial teacher education programme. Using a mixed method approach, the study examines differences between mature learners and direct entry students, across the domains of deep, strategic and surface learning approaches. Following the quantitative phase, group interviews were conducted to gain additional insights into the factors, which impacted learning approach. Significant differences were evident between both cohorts. The key categories that contributed to learning approach included; motivation to learn, collaborative and competitive learning, prior educational experiences and school placement. The findings provide insights into the diversity of student cohorts.  相似文献   

Understanding the relative contribution of technical and tactical performance to match outcome in Australian Football     

Christopher M Young  Wei Luo  Paul B Gastin  Daniel B Dwyer 《Journal of sports sciences》2020,38(6):676-681

ABSTRACT

The aim of this study was to assess if tactical and technical performance indicators (PIs) could be used in combination to model match outcomes in Australian Football (AF). A database of 101 technical PIs and 14 tactical PIs from every match in the 2009–2016 Australian Football League (AFL) seasons was merged. Two outcome measures Win-loss and Score margin were used as dependent variables. The top 45 ranked technical and tactical PIs from a feature selection process were used to model match outcome using decision tree and Generalised Linear Models (GLMs). Of the top 45 selected features, this included seven tactical PIs. The Win-loss-based Decision tree model achieved a classification accuracy of 89.0% and GLM 93.2%. A Score margin-based GLM achieved a root mean squared error (RMSE) of 6.9 points. A combined approach to the classification of match outcomes provided no improvement in model accuracy compared with previous literature. However, this study has established the relative importance of technical and tactical measures of performance in relation to successful team performance in AF.  相似文献   

Guide on the Side and LibWizard Tutorials Side-By-Side: How Do the Two Platforms for Split-Screen Online Tutorials Compare?     

Graham Sherriff 《Journal of Web Librarianship》2017,11(2):124-142

Split-screen tutorials are an appealing and effective way for libraries to create online learning objects where learners interact with real-time Web content. Many libraries are using the University of Arizona's award-winning, open source platform, Guide on the Side. In 2016, Springshare released a proprietary alternative, LibWizard Tutorials. This article reviews the advantages and limitations of this kind of tutorial. It also examines the differences between each platform's distinctive characteristics. These platforms create similar split-screen tutorials, but have differences that affect diverse aspects of installation, administration, authoring and editing, student learning, data management, and accessibility. Libraries now have the opportunity to consider and compare alternative platforms, and decide which one is best suited to their needs, priorities, and resources.  相似文献