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31.
张介云 《湖南科技学院学报》2006,27(11):144-146
本文通过例子对[1]中不等式猜想给出了肯定的回答。找到了这个不等式成立的另一个充分条件,并给出了它的一个新的推广. 相似文献
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Kay Martinez 《Asia-Pacific Journal of Teacher Education》2008,36(1):35-51
This paper is a reflective exploration of major challenges facing new teacher educators as they make the transition into the academy, and of ways that best support them. The transition problems identified in the emerging body of literature about teacher educator career entry were offered for comment to a small group of new teacher educators in an Australian regional university. Their responses added complexity and nuance, suggesting a heterogeneity of entry pathways and experiences, as well as avenues for further inquiry. Consideration of the resulting issues leads to wider questions about the place of teacher education in the academy. In turn, this leads to question if the challenges faced by newly appointed teacher educators are distinctive from those experienced by all new academics. The paper argues for multidisciplinary cohorts for induction, and makes recommendations for systematic, inclusive induction programs for all new academics, including teacher educators. The paper concludes with two further recommendations. First, large‐scale research is required to inform us about the contemporary teacher education workforce. Little is currently known about entry and career pathways, nor of the impact of recent policy and funding changes such as research performativity measures and increasing employment of sessional staff. Second, induction must be seen as an organisational and professional responsibility shared by many, including new and experienced academics, faculties, departments, institutions and professional associations. 相似文献
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芜崧 《荆州师范学院学报》2009,(2):84-86
复句教学是语言教学的重头戏。引入“泛化”和“分化”这两种学习理论来指导多重复旬教学,对于增强学生的语感和语言意识,帮助学生提高分析和运用语言的能力,提高分析文章结构思路的能力,都是大有裨益的。 相似文献
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用已筛选的3种寡聚糖激发子A1、B、C3分别诱导毛白杨愈伤组织,以加无菌水为对照,并在诱导48 h后挑战接种杨树溃疡病菌,测定毛白杨愈伤组织中苯丙氨酸解氨酶、几丁质酶和抗坏血酸氧化酶活性的变化。结果表明,3种寡聚糖激发子A1、B、C3诱导48 h后接种杨树溃疡病菌,毛白杨愈伤组织中苯丙氨酸解氨酶和几丁质酶活性均呈单峰曲线变化,并且变化趋势基本上满足:A1>B>C3>CK(对照接种),而抗坏血酸氧化酶活性的变化为:在发病初期和中期(0-48 h)诱导接种毛白杨愈伤组织均高于对照接种,而在发病后期(t>48 h)对照接种毛白杨愈伤组织高于诱导接种,因此,可以得出寡聚糖激发子A1的诱导抗病性比寡聚糖激发子B和C3都强。 相似文献
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In recent years there have been calls both for building the knowledge base of academic development (AD) and for systematic induction of newcomers to the field if AD is to advance as a professional and an academic field. Despite the importance and complexity of AD, induction of novice academic developers remains mostly informal and predominantly focuses on the practices of the field. We argue that more-experienced academic developers have an obligation to provide formal and systematic routes into the field and its knowledge base than is currently the case. One way of doing this is through offering a formal course for growing the next generation of academic developers. Such a course could equip newcomers with a more solid and shared knowledge base, thus contributing to shaping the epistemic spine of AD. In this paper, using Maton's Legitimation Code Theory, we offer an analysis of an existing course aimed at equipping novices with the theoretical and practical knowledge to enable them to solve some of the problems in higher education. From this analysis have emerged general principles that could inform the selection, sequencing and pacing of knowledge in a formal course for academic developers. 相似文献
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Cristina Sin 《Educational studies》2015,41(4):351-368
This study argues that student-centred methods in the teaching of physics can be beneficial for students’ enculturation into the discipline and into a physicist’s profession. Interviews conducted with academics and students from six master degrees in physics in three different European countries suggest that student-driven classroom activities, collaborative learning and problem-solving, or integration in research groups/projects enable students to engage in practices similar to those which are part of professional scientists’ routine. Through interactive, participative methods reminiscent of cognitive apprenticeship, students develop a range of abilities necessary in a physicist’s career: capacity of explanation, argumentation and defence of claims; analytical reasoning; capacity to critically review literature; ability to discern research paths worth pursuing; writing skills; and interpersonal skills. These give them a first taste of what it is like to be a physicist and ease their transition into a professional physics career. 相似文献
40.
Misty Adoniou 《Asia-Pacific Journal of Teacher Education》2015,43(2):99-116
Teachers need to know a great deal, in many areas and in multiple ways. Teacher knowledge is a complex tapestry, and teachers must successfully weave the multiple threads. In this article, I present a conceptualisation of teacher knowledge that provides a framework for describing the complexity of teacher knowledge. The framework describes three ways of knowing: “knowing how,” “knowing why,” and “knowing what” and then applies these three knowledge discourses across six domains of teacher knowledge. The framework was developed from a study of 14 teachers in their first year of teaching, and in this article the framework is applied to their experiences to illustrate specific gaps in their teacher knowledge. It is proposed that this conceptualisation of teacher knowledge allows those involved in teacher education and induction to more clearly identify professional learning needs and develop their programmes with specificity. 相似文献