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31.
Jaimie McMullen Déirdre Ní Chróinín Tuija Tammelin Małgorzata Pogorzelska Hans van der Mars 《Quest (Human Kinetics)》2015,67(4):384-399
Increasing physical activity opportunities in schools has emerged as a global priority among school-aged youth. As a result, many countries have designed and implemented whole-of-school physical activity initiatives that seek to increase physical activity opportunities that are available to school-aged children before, during, and after school. Considering the comprehensive school physical activity program conceptual framework, this article includes a discussion of the initiatives from four countries: Finland (Finnish Schools on the Move), Ireland (Active School Flag), Poland (PE with Class), and the United States (Let’s Move Active Schools). Background information, implementation strategies, best practices, development opportunities, and relevant research from each country will be presented. Exploring different perspectives sheds some light on the international landscape relative to whole-of-school physical activity promotion and provides direction for future and continued research and practice. 相似文献
32.
In this paper we consider the problem of designing an efficient supply strategy for logistic systems with perishable goods. In the analyzed systems, the stock at a distribution center is used to fulfill an unknown, time-varying market demand. The stock deteriorates exponentially, and is replenished with delay from a remote supply source. The objective is to specify a supply strategy such that high level of demand satisfaction is obtained despite unknown pattern of demand variations. As opposed to the previous approaches based mainly on heuristics and static optimization, we apply formal design methodology of sliding-mode control and discrete-time dynamical optimization. We show that the designed controller ensures full demand satisfaction irrespective of the value of delay and the demand uncertainty. Moreover, with the application of appropriate reaching law, the controller is demonstrated to conform to the supplier capacity limitations, and it outperforms the classical order-up-to policy in terms of higher service level, smaller holding costs, and smaller order-to-demand variance ratio. 相似文献
33.
Krzysztof Jaskułowski Piotr Majewski Adrianna Surmiak 《British Journal of Sociology of Education》2018,39(1):77-91
This article aims to analyse Polish history teachers’ understanding of the role of teaching history. Drawing on the results of qualitative research conducted in Wroclaw, we argue that teachers see history education through the prism of nationalism. Teachers construct the past in equivocally nationalist terms. They regard nationalist representations of the past as taken for granted. Moreover, teachers reproduce a dominant nationalist discourse by using history to promote the idea of the homogeneous nation. We argue that teachers see their role primarily in terms of imposing the dominant structures of collective memory on the pupils. We also discuss the differences between teachers pertaining to the understanding of the concept of the nation, the way of teaching Polish history and the type of obligation towards the nation. We also demonstrate that teachers do not see a contradiction between history defined as an objective science and history understood as a ‘nationalising’ tool. 相似文献
34.
Mikołaj Kozakiewicz 《Prospects》1990,20(1):41-49
Deputy to the Diet and Vice-chairman of the Diet's Commission for Education and Youth. Chairman of the Polish Pedagogical Society. Vice-chairman of the Franco-Polish parliamentary group. Author of a number of publications on youth and education. 相似文献
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Czesław Daniłowicz 《Information processing & management》1983,19(3):159-163
Principles for determining the profile of a system user have been presented. These principles are based on the analysis of co-occurrence of index terms in queries and pertinent documents. Moreover, a procedure for determining index term weights on the basis of user profiles has been introduced. The information value of the index term weights depends on the degree of homogeneity of the system users. 相似文献
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This article focuses on the problems of adults who in secondary school were high ability learners. The main point of interest of the research presented here is job satisfaction among gifted people and their temperament structure. The authors are interested whether there exist correlations between the investigated variables both in the entire group of gifted individuals as well as in the subgroup of those gifted in the humanities and in the control group. The research results show that between the group of gifted people and the control group there appear significant differences in vigorousness (VG) and activity (AC). The studied groups differ as to the kind and extent of the fulfilment of expectations concerning professional career. Gifted individuals, in comparison to the control group, are more satisfied with their jobs. 相似文献
40.
Radosław Wieczór Anna Maria Wieczór Grażyna Gadomska Katarzyna Stankowska Jacek Fabisiak Karol Suppan Grzegorz Pulkowski Jacek Budzyński Danuta Rość 《Journal of Zhejiang University. Science. B》2016,17(11):842-849