全文获取类型
收费全文 | 547篇 |
免费 | 12篇 |
国内免费 | 2篇 |
专业分类
教育 | 394篇 |
科学研究 | 15篇 |
各国文化 | 6篇 |
体育 | 84篇 |
文化理论 | 6篇 |
信息传播 | 56篇 |
出版年
2023年 | 4篇 |
2021年 | 7篇 |
2020年 | 13篇 |
2019年 | 20篇 |
2018年 | 26篇 |
2017年 | 33篇 |
2016年 | 32篇 |
2015年 | 18篇 |
2014年 | 25篇 |
2013年 | 148篇 |
2012年 | 14篇 |
2011年 | 14篇 |
2010年 | 11篇 |
2009年 | 13篇 |
2008年 | 17篇 |
2007年 | 17篇 |
2006年 | 12篇 |
2005年 | 11篇 |
2004年 | 8篇 |
2003年 | 6篇 |
2002年 | 5篇 |
2001年 | 6篇 |
2000年 | 8篇 |
1999年 | 8篇 |
1998年 | 7篇 |
1996年 | 3篇 |
1995年 | 2篇 |
1994年 | 2篇 |
1992年 | 4篇 |
1991年 | 4篇 |
1990年 | 2篇 |
1989年 | 5篇 |
1988年 | 2篇 |
1987年 | 5篇 |
1985年 | 3篇 |
1982年 | 6篇 |
1981年 | 2篇 |
1980年 | 4篇 |
1979年 | 3篇 |
1978年 | 7篇 |
1977年 | 4篇 |
1976年 | 4篇 |
1975年 | 3篇 |
1974年 | 2篇 |
1971年 | 1篇 |
1970年 | 1篇 |
1945年 | 1篇 |
1918年 | 1篇 |
1903年 | 2篇 |
1892年 | 1篇 |
排序方式: 共有561条查询结果,搜索用时 311 毫秒
1.
Cerebral activity, as reflected by power in the alpha waveband (8-13 Hz), was examined prior to the performance of three tasks with different effort and accuracy requirements. The study aimed to further investigate changes in activity observed in an earlier study in which expert karate performers exhibited significant increases in alpha band power during preparation for a training task. In contrast to the earlier research, the high effort task produced a significant decrease in 'alpha' power prior to performance. 'Alpha' power prior to the high accuracy task showed significant differences mediated by the outcome. Successful performance was preceded by higher levels of 'alpha' power than unsuccessful attempts. The reported use of a cognitive strategy on the first task produced a significant difference in activity, lower alpha power being associated with the use of such a technique. 相似文献
2.
Collins B Linton A Merril J Pomerantz K Winthrop S 《Medical reference services quarterly》1992,11(4):1-9
Computers are integral to medical practice, education, and research. While medical students learn computer skills during their training, many practicing physicians do not have the same computer experience. To familiarize this group with the exciting developments in medical informatics, the Himmelfarb Health Sciences Library and Department of Computer Medicine at the George Washington University Medical Center organized a workshop "Introducing Your Office Computer!" for attending physicians. The workshop featured a short lecture/video presentation on computer applications in medicine followed by a "computer fair" of five computer applications. Eleven physicians attended the workshop. Feedback was very positive; many called later to request more detailed instructions on using the programs demonstrated. It was a valuable experience for the staff, and new bridges were built between departments and clients. 相似文献
3.
In 2014, a female-only detention and re-entry facility was restructured to implement new rehabilitative philosophies rooted in strategies to prepare incarcerated women for successful transition into society. A specialized housing unit called incentive-based housing (IBH) was created within this facility to promote an environment of accountability and responsibility. Here, women are expected to be proactive in seeking and achieving successes through programming, all while offering support to one another. In this study, participant observations and interviews were used to understand how 12 incarcerated women living in IBH communicate support. This qualitative study revealed three forms of support being communicated: (a) accountability, (b) validation, and (c) compassion. This study also revealed forms of communication that complicate support, including (a) drama and (b) rivalry. Communication of support is important to consider as we devise new approaches to rehabilitation within America’s criminal justice system. 相似文献
4.
5.
6.
EDITORS' PREFACE 总被引:1,自引:0,他引:1
7.
8.
Masataka Umeda Wanseok Lee Courtney A. Marino Shelby C. Hilliard 《Journal of sports sciences》2016,34(5):467-476
This study examined the potential influence of moderate intensity physical activity (PA) levels and gender on central pain modulation using conditioned pain modulation (CPM) in healthy men and women. Twenty four individuals (12 men and 12 women) who reported engaging in the moderate intensity PA for 150 min or more per week and 24 individuals (12 men and 12 women) who reported engaging in moderate intensity PA for 60 min or less per week completed a self-report PA questionnaire and a 7-day PA assessment using an accelerometer. Furthermore, the participants completed the CPM testing to evaluate the efficiency of central pain modulation. The active individuals scored higher on the PA questionnaire and spent more minutes for light, lifestyle, moderate and vigorous intensity PA than the less active individuals. The active men and women exhibited comparable magnitudes of CPM, and showed a greater magnitude of CPM when compared to their less active counterparts. However, these beneficial effects of higher dose moderate intensity PA disappeared when time spent for vigorous intensity PA was statistically controlled for. These results suggest that the higher dose moderate intensity PA does not add to the benefits from vigorous intensity PA to further improve central pain modulatory systems. 相似文献
9.
This article focuses on raising concern that anxiety–performance relationship theory has insufficiently catered for motoric issues during, primarily, closed and self-paced skill execution (e.g., long jump and javelin throw). Following a review of current theory, we address the under-consideration of motoric issues by extending the three-dimensional model put forward by Cheng, Hardy, and Markland (2009) (‘Toward a three-dimensional conceptualization of performance anxiety: Rationale and initial measurement development, Psychology of Sport and Exercise, 10, 271–278). This fourth dimension, termed skill establishment, comprises the level and consistency of movement automaticity together with a performer's confidence in this specific process, as providing a degree of robustness against negative anxiety effects. To exemplify this motoric influence, we then offer insight regarding current theories’ misrepresentation that a self-focus of attention toward an already well-learned skill always leads to a negative performance effect. In doing so, we draw upon applied literature to distinguish between positive and negative self-foci and suggest that on what and how a performer directs their attention is crucial to the interaction with skill establishment and, therefore, performance. Finally, implications for skill acquisition research are provided. Accordingly, we suggest a positive potential flow from applied/translational to fundamental/theory-generating research in sport which can serve to freshen and usefully redirect investigation into this long-considered but still insufficiently understood concept. 相似文献
10.
Liu Shuangshuang Bell Courtney A. Jones Nathan D. McCaffrey Daniel F. 《Educational Assessment, Evaluation and Accountability》2019,31(1):61-95
Educational Assessment, Evaluation and Accountability - Researchers and practitioners sometimes presume that using a previously “validated” instrument will produce “valid”... 相似文献