全文获取类型
收费全文 | 1542篇 |
免费 | 35篇 |
国内免费 | 3篇 |
专业分类
教育 | 1083篇 |
科学研究 | 70篇 |
各国文化 | 18篇 |
体育 | 158篇 |
综合类 | 1篇 |
文化理论 | 13篇 |
信息传播 | 237篇 |
出版年
2023年 | 7篇 |
2022年 | 9篇 |
2021年 | 15篇 |
2020年 | 38篇 |
2019年 | 56篇 |
2018年 | 71篇 |
2017年 | 84篇 |
2016年 | 69篇 |
2015年 | 50篇 |
2014年 | 59篇 |
2013年 | 368篇 |
2012年 | 42篇 |
2011年 | 47篇 |
2010年 | 32篇 |
2009年 | 44篇 |
2008年 | 47篇 |
2007年 | 36篇 |
2006年 | 45篇 |
2005年 | 40篇 |
2004年 | 35篇 |
2003年 | 38篇 |
2002年 | 20篇 |
2001年 | 16篇 |
2000年 | 21篇 |
1999年 | 16篇 |
1998年 | 14篇 |
1997年 | 10篇 |
1996年 | 14篇 |
1995年 | 10篇 |
1994年 | 10篇 |
1993年 | 16篇 |
1992年 | 16篇 |
1991年 | 9篇 |
1990年 | 12篇 |
1989年 | 13篇 |
1988年 | 17篇 |
1987年 | 5篇 |
1986年 | 8篇 |
1985年 | 9篇 |
1984年 | 9篇 |
1983年 | 4篇 |
1982年 | 7篇 |
1981年 | 7篇 |
1977年 | 6篇 |
1976年 | 5篇 |
1973年 | 7篇 |
1972年 | 5篇 |
1971年 | 4篇 |
1970年 | 4篇 |
1968年 | 7篇 |
排序方式: 共有1580条查询结果,搜索用时 15 毫秒
1.
This investigation was undertaken in an effort to establish physiological characteristics of soccer players and to relate them to positional roles. A total of 135 footballers (age 24.4 +/- 4.6 years) were assessed for body mass, % body fat, haemoglobin, maximal oxygen uptake (VO2 max), leg power, anaerobic capacity and speed prior to an English league season. The sample included 13 goalkeepers, 22 full-backs, 24 centre-backs, 35 midfield players and 41 forwards. The goalkeepers were significantly heavier (86.1 +/- 5.5 kg; P < 0.01) than all groups except the centre-backs, had significantly higher estimated body fat percentages than centre-backs, forwards, midfield players (P < 0.01) or full-backs (P < 0.05), significantly lower estimated VO2 max values (56.4 +/- 3.9 ml kg-1 min-1; P < 0.01) and were slowest over 60 m (12.71 +/- 0.42 s). The midfield players had the highest predicted VO2 max values (61.4 +/- 3.4 ml kg-1 min-1), this being significantly greater (P < 0.05) than for the centre-backs. The forwards were the fastest group over 60 m (12.19 +/- 0.30 s), being significantly quicker than goalkeepers or centre-backs (P < 0.01) and full-backs (P < 0.05). Anaerobic power, as well as knee extensor torques (corrected for body mass) and extensor-flexor ratios, were similar between groups. No difference in estimated body fat percentage was observed between any of the outfield players, and haemoglobin concentrations were similar among players of all positions.(ABSTRACT TRUNCATED AT 250 WORDS) 相似文献
2.
Nicole S. Ofiesh Charles Hughes Sally S. Scott 《Learning disabilities research & practice》2004,19(1):57-70
The most frequently requested accommodation among students with learning disabilities (LD) in postsecondary settings is extended test time. The frequency with which this accommodation is requested and granted compels disability service providers to become knowledgeable about the factors that influence the need for, and appropriateness of, the accommodation. Moreover, the synthesis of these factors becomes the basis for determining if the accommodation is reasonable under federal law. The purpose of this article is to present a step‐by‐step model to be used as a decision‐making process when considering the accommodation of extended test time for postsecondary students with LD. The model is designed to assist disability service providers in the analysis and synthesis of information collected from (1) the student's diagnostic evaluation, (2) the course or classroom test to be accommodated, and (3) student interviews. A list of diagnostic tests from the four most frequently administered test batteries used with adults is provided, along with a concise explanation of how characteristics of LD impact reading, writing, and math, and relate to the need for extended time. This information can be used to determine if extended test time is a reasonable accommodation and to estimate how much additional time to provide. 相似文献
3.
4.
Gilbert SF 《CBE life sciences education》2008,7(1):12-13
Note from the Editor 相似文献
5.
6.
Scott A. Mitchell 《传播与批判/文化研究》2018,15(3):197-212
This article introduces emergent memory, a conceptual extension to rhetorics of public memory, to describe memory’s genesis in sites built without commemorative commitments. Examining Detroit’s “8 Mile Wall,” a site built to reinforce segregated housing, this project argues the rhetorical tenets of emergent memory present in this space. As a relic of segregated history, the wall symbolically recalls the city’s controversial past, but has recently been the subject of a local mural project to redefine the wall’s purpose. Some consider this a step toward reclamation, as it visually repositions the disturbing remnant. For others, the murals simply cannot overwrite troubling memories of the city’s discriminatory history. This essay uses emergent memory to describe how the wall’s complicated mnemonic legacy simultaneously harkens to a difficult history and how the mural additions use that same legacy to convey an optimistic future for Detroit and those marked by this urban space. 相似文献
7.
8.
Rachel E. Scott 《The Reference Librarian》2017,58(1):1-18
There remains significant confusion surrounding the purpose, audience, and proposed application of the Framework for Information Literacy for Higher Education. This exploratory study addresses the question of whether undergraduate students can understand the language and concepts in this document. By presenting student responses to pretest questions recorded at the beginning of a semester-long research methods course, this article shows that students can, even on first impression, begin to make sense of the complexity and richness found in the Framework for Information Literacy for Higher Education. 相似文献
9.
10.