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101.
We examined sport expertise as a function of role. In study 1, referees were better than players in a video-based decision-making task. This provides evidence that there are role-specific skills within one domain or sport. In study 2, we examined the training activities that could be influential in the development of skills in sports officials. Elite association football (soccer) referees retrospectively reported time spent in and perceptions of training activities for three periods: their first year of formal refereeing, 1998 (before formal training programmes were available), and the current year (2003). This allowed us to examine an area of skill with a limited culture of practice, where performance simulations with direct feedback are usually not feasible. The results showed that referees specialize early and, as they develop, they engage in greater volumes and types of training. Competitive match refereeing is considered a relevant activity for skill acquisition that does not fit Ericsson and colleagues' (1993) original definition of deliberate practice. Our findings indicate that actual performance is a significant activity for skill acquisition and refinement. 相似文献
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This paper analyses the main forms of government intervention used in the UK to protect the national artistic patrimony. It examines the two most common policy measures used in the art market ‐ export regulation and tax incentives ‐ and reports their use over an eight‐year period from 1990 to 1998. It also reviews the UK's collective obligations to patrimony internationally and specifically as a member of the European Union. This is the first time that these related topics have been considered as a whole. 相似文献
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Richard A. Brindle Clare E. Milner 《Sports biomechanics / International Society of Biomechanics in Sports》2020,19(2):235-244
AbstractInsufficient hip neuromuscular control may contribute to non-contact sport injuries. However, the current evaluative test of hip neuromuscular control, the single-leg squat, requires hip abductor muscle strength to complete. The purpose of this study was to develop the hip control test (HCT) and determine the test’s reliability and construct validity. Nineteen healthy adults visited the laboratory twice. The HCT is a 10-s test of reciprocal toe-tapping accuracy. Both automated and manual HCT ratings were recorded simultaneously during each visit. Additionally, eccentric hip abductor torque was measured. HCT reliability was assessed with intra-class correlation coefficients (ICC). Agreement between automated and manual ratings was determined with Bland–Altman plots. Construct validity was established if HCT performance significantly decreased with a secondary cognitive task (p < 0.05). Bivariate regression determined the relationship between HCT performance and eccentric hip abductor torque. Automated and manual HCT ratings both had moderate reliability (ICC = 0.72) and yielded similar results (limits of agreement = ?1 to 2 taps). The HCT had construct validity (p = 0.001), and no correlation with hip abductor muscle strength (r = 0.213). Thus, the HCT is a reliable and valid test. The HCT is simple to administer and measures hip neuromuscular control separately from strength. 相似文献
104.
Pat O’Connor Clare O’Hagan Eva Sophia Myers Liv Baisner Georgi Apostolov Irina Topuzova 《高等教育研究与发展》2020,39(4):764-777
ABSTRACTThis article is concerned with the source of men’s invisible advantage in the male-dominated disciplines of Science, Technology, Engineering and Mathematics (STEM). It is suggested that this advantage has been obscured by combining sponsorship and mentoring. The research asks: Are men or women most likely to be mentored? Is it possible to distinguish between mentoring and sponsorship? Is there gender variation in either or both of these depending on the source – whether from the academic supervisor, line manager or other senior academics? This qualitative study draws on interview data from 106 respondents (57 men and 48 women) at high, mid and early levels, in four universities: one each in Bulgaria, Denmark, Ireland, and Turkey. It shows that both men and women received mentoring from their PhD supervisor, albeit with slightly different reported nuances. Men were more likely than women to receive sponsorship in that relationship. Both men and women received sponsorship from the Head of Department, whose wider responsibilities may have reduced homophily. Men were more likely than women to receive sponsorship and mentoring from senior men, with most women indicating a lack of access to such senior academics. By distinguishing between mentoring and sponsorship, this article contributes to our understanding of the way male dominance in STEM is perpetuated and suggests the source of men’s invisible advantage in STEM. 相似文献
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Clare J. A. Mitchell 《Journal of Cultural Economics》1993,17(2):55-67
Conclusions This paper has demonstrated that visitors to professional theatre companies located in towns and villages of southern Ontario contribute to the economic well-being of the local economy. Furthermore, it has been documented that while all communities receive some monetary benefits, spatial variations are found to exist. These discrepancies are a function of differences in the average expenditures of non-local residents and the total number of visitors attending the theatre event. As expected, average expenditures appear to be highest in communities supporting a large commercial sector which are capable of sustaining a touris market. Moreover, the number of visitors attending a theatre event appears to be greatest in small communities supporting an established theratre company. 相似文献
107.
Bahadorreza Ofoghi John Zeleznikow Clare Macmahon Jan Rehula 《Journal of sports sciences》2016,34(7):607-612
Performance in triathlon is dependent upon factors that include somatotype, physiological capacity, technical proficiency and race strategy. Given the multidisciplinary nature of triathlon and the interaction between each of the three race components, the identification of target split times that can be used to inform the design of training plans and race pacing strategies is a complex task. The present study uses machine learning techniques to analyse a large database of performances in Olympic distance triathlons (2008–2012). The analysis reveals patterns of performance in five components of triathlon (three race “legs” and two transitions) and the complex relationships between performance in each component and overall performance in a race. The results provide three perspectives on the relationship between performance in each component of triathlon and the final placing in a race. These perspectives allow the identification of target split times that are required to achieve a certain final place in a race and the opportunity to make evidence-based decisions about race tactics in order to optimise performance. 相似文献
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