首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   1198篇
  免费   28篇
教育   913篇
科学研究   52篇
各国文化   32篇
体育   81篇
综合类   1篇
文化理论   14篇
信息传播   133篇
  2023年   5篇
  2022年   7篇
  2021年   15篇
  2020年   23篇
  2019年   43篇
  2018年   45篇
  2017年   55篇
  2016年   46篇
  2015年   29篇
  2014年   43篇
  2013年   271篇
  2012年   29篇
  2011年   42篇
  2010年   32篇
  2009年   36篇
  2008年   27篇
  2007年   30篇
  2006年   33篇
  2005年   25篇
  2004年   25篇
  2003年   29篇
  2002年   19篇
  2001年   18篇
  2000年   13篇
  1999年   16篇
  1998年   13篇
  1997年   9篇
  1996年   14篇
  1995年   16篇
  1994年   12篇
  1993年   17篇
  1992年   20篇
  1991年   8篇
  1990年   6篇
  1989年   16篇
  1988年   12篇
  1987年   11篇
  1986年   10篇
  1985年   16篇
  1984年   6篇
  1983年   4篇
  1982年   8篇
  1981年   5篇
  1980年   7篇
  1979年   6篇
  1978年   9篇
  1977年   5篇
  1976年   4篇
  1971年   5篇
  1968年   4篇
排序方式: 共有1226条查询结果,搜索用时 0 毫秒
41.
With organizations becoming leaner during times of cost consciousness, it is becoming critical that training departments demonstrate their contributions to their bottom lines by becoming more productivity based than they have been historically. For training professionals to obtain the needed financial and organizational support of their training efforts, top management should corroborate the training function. To gain this support, training professionals have evaluation procedures available to them. My purpose for conducting this study was to determine which type of training evaluation method (reaction, learning, behavior, or results) elicited the most management support of the training function among corporate managers. I designed and distributed a case study survey instrument (TEMS) to assess the extent of this support. MBA students with management experience and non-training managers participated in the study. For both samples, the data indicated that the results evaluation format received the most support, with progressively less support for behavior, learning, and reaction evaluations, respectively. I believe that this study provides training practitioners with a mandate for demonstrating training results to top management. It further gives an accountability system for gaining management support of the training function.  相似文献   
42.
43.
There have been many conflicting observations between the linear or curvilinear decline in maximal heart rate (HRmax) with age. The aim of this study was to determine if linear or curvilinear equations would better describe the decline in HRmax with age in individuals of differing cardiorespiratory fitness (CRF) levels. Treadmill cardiopulmonary exercise test (CPX) results from participants (1510 men and 1134 women; 18–76 years) free of overt cardiovascular disease were retrospectively examined using cross-sectional and longitudinal study designs. Participants completing ≥2 CPX with ≥1 year between test dates were included in the longitudinal analysis (325 men and 150 women). Linear and quadratic regressions were applied to age and HRmax for the whole cohort and respective CRF groups (high, moderate, and low, relative to age and gender normative values). To test for differences among linear, quadratic, and polynomial equations, the change in R2 (cross-sectional analysis) and Bayesian information criterion (BIC) (longitudinal analysis) from the linear to the more complex models were calculated. The quadratic or polynomial regression in the cross-sectional analysis, marginally improved the variance in HRmax explained by age compared to the linear regression for the whole cohort (0.2%), moderate fit group (0.3%), and low fit group (0.8%). With no improvements in the high fit group. BIC did not improve for any CRF category in the longitudinal analysis. In conclusion, the minimal differences among linear, quadratic, and polynomial equations in the respective CRF groups, emphasizes the use of linear prediction equations to estimate HRmax.  相似文献   
44.
45.
46.
47.
48.
49.
50.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号