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   89篇
  免费   7篇
管理学   5篇
人口学   14篇
理论方法论   8篇
社会学   62篇
统计学   7篇
  2024年   1篇
  2023年   1篇
  2022年   1篇
  2021年   1篇
  2020年   7篇
  2018年   4篇
  2017年   6篇
  2016年   8篇
  2015年   1篇
  2014年   3篇
  2013年   11篇
  2012年   11篇
  2011年   4篇
  2010年   3篇
  2009年   3篇
  2008年   4篇
  2007年   3篇
  2006年   2篇
  2005年   2篇
  2004年   3篇
  2003年   3篇
  2002年   3篇
  1999年   3篇
  1998年   1篇
  1995年   1篇
  1994年   1篇
  1992年   1篇
  1991年   1篇
  1990年   1篇
  1989年   1篇
  1973年   1篇
排序方式: 共有96条查询结果,搜索用时 15 毫秒
81.
Considering the scarcity of studies with young workers and the role of diet in the prevention of chronic diseases, the objective of the study was to assess the quality of diet of working college students. The present study investigated 43 university students, aged between 18 and 25 years old who had systematically being involved in a working activity in the past 6 months, paid or unpaid, at least 6 hours daily, five days a week. Dietary intake measured by seven dietary records covering every day of the week was used to calculate the Brazilian Healthy Eating Index Revised (B-HEIR). It was observed a low B-HEIR score (53.43,±7.81) indicating a risk of a poor quality of diet, with high intake of sodium and sugar and low consumption of fruits and whole grains. This poor quality of diet can result in an inadequate nutritional status that may increase the risk of obesity and chronic diseases.  相似文献   
82.
83.
This paper presents the model "Work Situation Operative Model" - MOST (after its Spanish acronym). It offers a comprehensive, systemic approach to analysing work stations and/or work processes, serving also as a framework for pursuing various ergonomic and occupational health and safety goals. Originally produced for a food sector company, the model has been extended and successfully applied in several industries in Colombia and Ecuador, including cement, oil, and paper industries. Based on a systemic understanding of work systems and tasks, the model not only allows different, commonly-used methods and tools for evaluating or assessing the risk of muscular-sketetal disorders to be included, but also supports occupational risk management strategies. Hence, one of its more important contributions relies on providing meaningful information that is useful for improving the work station and/or work process through design and re-design, by focusing on the interactions between all system elements.  相似文献   
84.
85.
86.
This study examines differences in the amount of economic support or mutual benefit derived from extended family living arrangements by studying differences in monetary contributions to essential household expenditures across family units in extended family households. Using the 2008 Survey of Income and Program Participation, multivariate regression and selection models are estimated to assess racial differences in family contributions toward household expenses in extended family households. Extended family households have very unequal monetary contributions toward household rent and utilities, although Hispanics have less unequal monetary contributions when compared with other racial groups. Hispanic and Asian extended family households experience decreasing inequality in financial contributions as the income of each family increases, whereas no relationship between financial contributions and income is found for Whites or Blacks. This suggests a different cultural orientation to extended family living arrangements for Asians and Hispanics when compared with non‐Hispanic Whites.  相似文献   
87.
88.
89.
90.
A survey on experiences with child abuse reporting was obtained from 116 middle and high school counselors and principals across the U.S. Results revealed that counselors throughout their careers had made more reports than principals and perceived themselves to be better trained on child abuse. Those school professionals with fewer years of experience reported more adequate pre-service training. Counselors also failed to report in more instances than principals, citing as deterrents the lack of physical evidence and little faith in child protective services. Most counselors and principals took appropriate action when presented with case examples of child sexual abuse. Recommendations for future research are provided.  相似文献   
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