Digital Video for Multimedia: Two Approaches (MPEG)     

Nicole Rodruigez  Michel Lavacry  Michel Banckaert 《Educational Media International》2013,50(4):200-207

Abstract

This article discusses the application of digital video to multimedia, and looks at the pros and cons of two different approaches. It also considers the standards of equipment for various uses.  相似文献   

Writing     

Pietro Boscolo  Eric Espéret  Michel Fayol 《European Journal of Psychology of Education - EJPE》1991,6(2):97-98

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Young people's perception of culture     

Michel Pagnier 《Higher Education Quarterly》1973,27(3):323-345

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Effects of swing-weight on swing speed and racket power     

Rod Cross  Rob Bower 《Journal of sports sciences》2013,31(1):23-30

Abstract

Measurements are presented of the speed at which six different rods could be swung by four male students. Three of the rods had the same mass but their swing-weight (i.e. moment of inertia) differed by large factors. The other three rods had the same swing-weight but different masses. Our primary objective was to quantify the effects of mass and swing-weight on swing speed. The result has a direct bearing on whether baseball, tennis, cricket and golf participants should choose a heavy or light implement to impart maximum speed to a ball. When swinging with maximum effort, swing speed (V) was found to decrease as swing-weight (I _o) increased, according to the relation V?=?C/I _o ⁿ , where C is a different constant for each participant and n?=?0.27 when I _o >?0.03 kg?·?m². Remarkably similar results were obtained previously with softball bats (where n?=?0.25) and golf clubs (where n?=?0.26). Swing speed remained approximately constant as swing mass increased (when keeping swing-weight fixed). The implications for racket power are discussed.  相似文献   

Editorial     

Rod Parker‐Rees 《Early Years: An International Journal of Research and Development》2010,30(3):201-203

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The nature of naive explanations of natural selection     

Michel Ferrari  Michelene T. H. Chi 《International Journal of Science Education》2013,35(10):1231-1256

Unlike some pivotal ideas in the history of science, the basic notion of natural selection is remarkably simple and so one might expect most students to easily grasp the basic principles of the Darwinian theory; yet many students nevertheless have difficulty understanding Darwinian evolution. We suggest that misconceptions about natural selection arise from mistaken categorization. Our thesis for explaining students’ failure to understand this concept or evolution in general is not that they necessarily fail to understand individual Darwinian principles; rather, they often fail to understand the ontological features of equilibration processes, of which evolution is one instance. They thus attribute the evolutionary process in general, and natural selection in particular, with event‐like properties. For example, naive students appear to focus on the idea of survival of the fittest, but embed this idea within an event ontology that involves actors struggling to overcome obstacles and achieve goals. Results showed that most naive subjects’ evolutionary explanations reflected an event ontology. Furthermore, event ontology attributes were positively correlated with non‐Darwinian explanations; by contrast, equilibration attributes, when present, were positively correlated with key Darwinian principles. These findings suggest that students would greatly benefit from science instruction that emphasized the underlying ontology of modern evolutionary theory.  相似文献   

French beach sports culture in the twentieth century     

Michel Rainis 《国际体育史杂志》2013,30(1):144-158

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Presentation     

Michel Debeauvais 《Prospects》1985,15(2):189-193

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When should we submit our papers? Reply to Hartley     

Shaul SHALVI  Matthijs BAAS  Michel J.J. HANDGRAAF  Carsten K.W. DE DREU 《Learned Publishing》2011,24(1):33-34

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Biomarkers of inflammation and cardiac remodeling: the quest of relevant companions for the risk stratification of heart failure patients is still ongoing     

Gruson D  Ahn SA  Rousseau MF 《Biochemia medica : ?asopis Hrvatskoga dru?tva medicinskih biokemi?ara / HDMB》2011,21(3):254-263

Heart failure (HF) is a frequent chronic disease in elderly people and represents a major health and economic burden. The accurate diagnosis of HF and the identification of high risk patients is mandatory to select the appropriate therapy and care. HF is associated to cardiac remodeling and inflammation and to the release of neurohormones. If natriuretic peptides remain the biomarkers of choice for the diagnosis and the prognosis of HF, several biomarkers related to cardiac remodeling and inflammation are available for testing and may add valuable information for the risk estimation of HF patients and for the selection of the most appropriated therapy. Furthermore, the quest for new efficient biomarkers of cardiac remodeling and inflammation is still ongoing and new candidates have been identified for a potential use in daily clinical practices. However, before their potential translation to routine parameters several challenges ranging form the analytical validation to the cost-effectiveness estimation should be considered.  相似文献