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491.
Max Strandberg 《Educational research; a review for teachers and all concerned with progress in education》2013,55(4):325-346
Background: The growing interest among researchers concerning how to use assessment to enhance students’ learning as well as to improve instruction provided the impetus for this review of teachers’ assessment activities related to homework.Purpose and method: The purpose was to bring together and critically examine the evidence in a way that illuminates research findings firstly on homework related to formative assessment, and secondly to relate research findings on homework to teachers’ classroom work to formative assessment, and finally to complement existing international research by examining findings from Sweden. International peer-reviewed articles as well as doctoral theses, reviewed anthologies, encyclopaedias, international reports, and handbooks were used.Findings and conclusions: Findings show a gap in the research field of homework, especially in relation to formative assessment. Various research findings point to the importance of exploring the quality of homework. Research on how to assign and assess homework must consider the problems and conflicts that homework causes students, parents and teachers. Research is also needed to illuminate issues related to conditions for equity in relation to homework and feedback. 相似文献
492.
Marcus P. Chu 《国际体育史杂志》2013,30(10):1048-1058
Any international bid involves a zero-sum competition among two or more national candidates vying for the right to host a particular international event. Chinese cities in total have participated in the Asian Games and Asian Winter Games bids four times since 1980. Beijing's bid for the 1990 Asian Games; Harbin's bid for the 1996 Asian Winter Games; Changchun's bid for the 2007 Asian Winter Games and Guangzhou's bid for the 2010 Asian Games: not one encountered failure. The argument here is that all the bids were used to build up China's hegemonic status in the Asian sports community with wider resonances for the geopolitical hegemonic influence of China. Evidence is drawn from contemporary literature and media reports. 相似文献
493.
Marcus P. Chu 《国际体育史杂志》2013,30(10):1059-1070
This article aimed to examine whether the division of labour between the Chinese central and local officials, who came from the China General Sports Administration; the Chinese National Olympic Committee; and the Guangdong and Guangzhou governments, strictly complied with the stipulations of the Olympic Council of Asia in completing Guangzhou's bid for the 2010 Asian Games. The findings confirm Guangzhou as a rule-abiding bidder, and imply China's eagerness to be accepted by the international community and to project itself as a superpower in accordance with its wider political, economic and cultural ambition. 相似文献
494.
Abstract The aims of this study were to describe the current anthropometric profiles of elite Australian female and male cricket fast bowlers and establish a set of reference values useful for future investigations on player selection, talent identification, and training programme development. The participants were 26 female (mean age 22.5 years, s = 4.5; height 1.71 m, s = 0.05; body mass 66.2 kg, s = 7.5) and 26 male (mean age 23.9 years, s = 3.5; height 1.88 m, s = 0.05; body mass 87.9 kg, s = 8.2) fast bowlers. The anthropometric profiles included the measurement of skinfolds, and segment lengths, breadths, and girths. A series of derived variables assessing the distribution of subcutaneous adipose tissue, the bivariate overlap zone, relative body size and proportionality, and somatotype were also calculated. The male bowlers had larger length, breadth, and girth measurements than their female counterparts. There were differences in proportionality between the sexes, with only the male bowlers exhibiting characteristics that could be considered “large” relative to height. The female bowlers had a higher sum of seven skinfolds (P < 0.001), were more endomorphic (F 1,50 = 30.18, P < 0.001), and less mesomorphic (F 1,50 = 10.85, P < 0.01) than the male bowlers. These reference data should be useful to practitioners and researchers interested in cricket. Further research is needed to clarify why only male fast bowlers had variables that were proportionally large relative to height. 相似文献
495.
Marc R. Portus Bruce R. Mason Bruce C. Elliott Max C. Pfitzner Richard P. Done 《Sports biomechanics / International Society of Biomechanics in Sports》2013,12(2):263-284
In this study we analysed technique, ball speed and trunk injury data collected at the Australian Institute of Sport (AIS) from 42 high performance male fast bowlers over a four year period. We found several notable technique interrelationships, technique and ball speed relationships, and associations between technique and trunk injuries. A more front‐on shoulder alignment at back foot contact was significantly related to increased shoulder counter‐rotation (p < 0.001). Bowlers who released the ball at greater speeds had an extended front knee, or extended their front knee, during the front foot contact phase (p < 0.05). They also recorded higher braking and vertical impact forces during the front foot contact phase and developed those forces more rapidly (p ≤ 0.05). A maximum hip‐shoulder separation angle occurring later in the delivery stride (p = 0.05) and a larger shoulder rotation to ball release (p = 0.05) were also characteristics of faster bowlers. Bowlers suffering lower back injuries exhibited typical characteristics of the ‘mixed’ technique. Specifically, the hip to shoulder separation angle at back foot contact was greater in bowlers who reported soft tissue injuries than in non trunk‐injured bowlers (p = 0.03), and shoulder counter‐rotation was significantly higher in bowlers who reported lumbar spine stress fractures than non trunk‐injured bowlers (p = 0.01). The stress fracture group was also characterised by a larger hip angle at front foot contact and ball release, whereas a more flexed front knee at ball release characterised the non trunk‐injured group. 相似文献
496.
ABSTRACT Organizational stressors can undermine the psychological well-being and performance of athletes. Less is known, however, about how these relationships unfold over time and whether organizational stressors can impact upon perceived physical health. The current study, therefore, used a repeated-measures design to examine relationships between organizational stressors with components of perceived psychological (anxiety and depression) and physical (illness symptoms and missed training days via illness) ill-health, and perceived performance at the within-person level. Twenty-three semi-elite female rowers completed monthly measures of study variables for six-months. Multilevel models indicated that selection-related stressors positively predicted symptoms of perceived psychological and physical ill-health, and negatively predicted perceived performance. Conversely, coaching stressors negatively predicted symptoms of perceived psychological ill-health. Logistics and operations stressors positively predicted perceived performance, whereas goals and development stressors negatively predicted perceived performance. These findings demonstrate for the first time that, with a repeated-measures design, organizational stressors can predict components of perceived physical and psychological ill-health, and perceived performance at the within-person level in athletes. From a practical perspective, practitioners should incorporate these findings when diagnosing the need for, developing, and optimally implementing primary and secondary stress management interventions. 相似文献
497.
Max Lagnado 《Learned Publishing》2003,16(1):21-27
The involvement of professional writers in the reporting of scientific research has generated considerable discussion. I reviewed the literature relating to this debate. Some commentators argue that professional writing assistance can inappropriately influence the reporting of research, undermine accountability for the published work, and deceive readers when the professional writer's contribution is not acknowledged. On the other hand, it has been argued that professional writers improve the quality and readability of papers, speed up the publication process, and undertake important educational activities. These arguments are based on anecdote and opinion rather than on evidence from well‐conducted research. Although some recommendations have been proposed, there is no widely accepted published guidance about how writing assistance should be used. The biomedical community should consider implementing initiatives that will facilitate research about professional writing assistance – an outcome that would make for a better‐informed debate. 相似文献
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