全文获取类型
收费全文 | 9313篇 |
免费 | 107篇 |
国内免费 | 8篇 |
专业分类
教育 | 6391篇 |
科学研究 | 1238篇 |
各国文化 | 61篇 |
体育 | 631篇 |
综合类 | 3篇 |
文化理论 | 64篇 |
信息传播 | 1040篇 |
出版年
2022年 | 55篇 |
2021年 | 104篇 |
2020年 | 139篇 |
2019年 | 193篇 |
2018年 | 310篇 |
2017年 | 297篇 |
2016年 | 284篇 |
2015年 | 176篇 |
2014年 | 280篇 |
2013年 | 1525篇 |
2012年 | 222篇 |
2011年 | 243篇 |
2010年 | 212篇 |
2009年 | 201篇 |
2008年 | 239篇 |
2007年 | 198篇 |
2006年 | 182篇 |
2005年 | 169篇 |
2004年 | 184篇 |
2003年 | 133篇 |
2002年 | 147篇 |
2001年 | 205篇 |
2000年 | 214篇 |
1999年 | 190篇 |
1998年 | 100篇 |
1997年 | 139篇 |
1996年 | 117篇 |
1995年 | 84篇 |
1994年 | 106篇 |
1993年 | 75篇 |
1992年 | 175篇 |
1991年 | 142篇 |
1990年 | 132篇 |
1989年 | 156篇 |
1988年 | 130篇 |
1987年 | 111篇 |
1986年 | 115篇 |
1985年 | 129篇 |
1984年 | 87篇 |
1983年 | 94篇 |
1982年 | 68篇 |
1981年 | 82篇 |
1980年 | 74篇 |
1979年 | 113篇 |
1978年 | 77篇 |
1977年 | 71篇 |
1976年 | 64篇 |
1975年 | 57篇 |
1974年 | 68篇 |
1973年 | 59篇 |
排序方式: 共有9428条查询结果,搜索用时 15 毫秒
11.
Nancy K. Moore Margaret T. Shaffer Rita Furst Seifert 《Contemporary educational psychology》1985,10(1):83-92
This study investigated the basic cognitive skills soldiers must possess before entering the Army, skills that are needed for successful completion of entry-level training. Judgments of 126 instructors from 25 military occupational specialties were obtained on 129 candidate skills, which resulted in the identification of 55 basic skills. Factor analysis of these 55 skill items resulted in 11 interpretable factors. Mean scores on the factors were compared across factors and across Army training schools. The results of the study suggest that, for all occupational specialties studied, skills related to the learning process are as crucial as traditional academic skills for successful training course completion. These results have important implications for training for the Army as well as for industry. 相似文献
12.
H.C.K. Alewell 《Higher Education Quarterly》1990,44(2):123-141
Financing universities in times of increasing demands in all fields of public expenditure is a problem of nearly all European counnies not least because of the ongoing process of European integration. Comparing the different national systems of financing universities may be a means to foster cooperation and competition in a step by step growing network of universities in the European Community. This paper tries to give some insights into the German system; special considerotion is given to its federal structure and its implications for the universities' financthg system, because these problems may be of interest to other countries also. Of course this survey cannot be complete; details must be left to detailed information. The first part of the paper gives a survey of the higher education system in the Federal Republic of Gennany. The second part deals with the sources of funds, including the structure of mong streams to the universities. The third part refffs to the restrictions in using state money in the universities and the problems resulting; the fourth and final part concentrates on problems of the future, especially getring third party finds, and the diversifiation. of financing. 相似文献
13.
14.
15.
16.
The purpose of this investigation was to describe the morphological parameters that characterize elite age group divers. Comparisons are made to normative age group data from the Coquitlam Growth Study and the constancy of important characteristics from age group to age group is examined. Data were collected on 27 male and 28 female elite divers who participated in the 1990 North American Age Group Diving Championships. Body build, body composition and skinfold corrected diameters were determined from 36 anthropometric parameters and analysed by ANOVA, t-test and Phantom z-scores procedures. All age groups except the 14- to 15-year-old males were significantly (P < or = 0.05) shorter than their norms but recorded higher androgyny index values. The estimated relative muscle mass increased significantly (P < or = 0.05) with age for males at all ages (40.8-46.3%). The 16- to 18-year-old females had a significantly (P < or = 0.05) larger relative muscle component compared to the younger age groups (40.1-38.4%). When normalized for height, active tissue development of the extremities was comparable between the sexes except in the forearm. The results indicate that at all age levels short stature is an important characteristic for divers. Analysis of regional active tissue development provides further insight into sport-specific prerequisites for success at elite levels. 相似文献
17.
18.
19.
20.