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   204篇
  免费   5篇
管理学   17篇
民族学   1篇
人口学   22篇
丛书文集   31篇
理论方法论   10篇
综合类   70篇
社会学   55篇
统计学   3篇
  2022年   1篇
  2021年   1篇
  2020年   7篇
  2019年   3篇
  2018年   5篇
  2017年   3篇
  2016年   3篇
  2015年   3篇
  2014年   6篇
  2013年   47篇
  2012年   16篇
  2011年   18篇
  2010年   5篇
  2009年   6篇
  2008年   13篇
  2007年   16篇
  2006年   13篇
  2005年   8篇
  2004年   7篇
  2003年   6篇
  2002年   5篇
  2001年   3篇
  2000年   5篇
  1999年   2篇
  1998年   1篇
  1996年   1篇
  1995年   1篇
  1994年   1篇
  1992年   1篇
  1990年   1篇
  1988年   1篇
排序方式: 共有209条查询结果,搜索用时 625 毫秒
41.
新疆协商民主发展必须建立在正确的价值基础之上,必须体现各民族共同当家作主,必须有利于国家的统一和社会的稳定。因此,新疆协商民主发展必须坚持一体与多元共存的价值基础,坚持人民民主的国家性质和中国共产党的领导,反对“三股势力”的渗透,在尊重多元文化前提下培养少数民族的国家认同意识、公民意识和协商意识。  相似文献   
42.
Abstract

All 29 operators in the control room of a fire brigade performed test sessions during work and leisure time at 2-h intervals on a day with a 14-h night-shift, a day off and a day with a 10-h morning shift. The test sessions consisted of a visual search choice reaction time test and two Sternberg memory search tests (1 or 5 letters had to be memorized). Furthermore, the operators recorded their oral temperature and their subjective alertness before each test session. The subject also kept a diary of work and sleep times for 14 days. The circadian rhythm of body temperature was hardly changed by a single night-shift. Parallel to the body temperature, the subjective alertness fell significantly during the night-shift reaching a minimum value at 06:00 h. The mean reaction times increased non-significantly at the end of the night-shift and the results of the two Sternberg memory search tests showed no significant trends. The sleep of the operators after the night-shift was on average reduced to 5 hs 34 min. The results of subjective rating of alertness and reaction time test are interpreted as effects of the combined influences of circadian rhythmicity, sleep loss and time on professional task. Most results support the conclusion that a 14-h night-shift without extensive breaks is not acceptable.  相似文献   
43.
A strategy for sampling of animal tissues and a statistical approach for analyzing data on body burdens of a parent chemical and its metabolites is presented such that the data may be evaluated in relation to the detection limit(s)of the analytical techniques used and the criterion levels established for acceptable tissue concentrations.  相似文献   
44.
Social science literature on aging has assumed without empirical basis that women experience greater continuity in their lives than men and that this is beneficial to women in the process of aging. This research explores the issue of continuity in values over the life course and the relationship of values to a sense of meaning attributed to one's life over the life course. Thirty life history interviews of men and women over the age of sixty-nine were conducted. Differences in values were found between men and women. Men experienced less continuity of values, less continuity in sources of meaning in Life, and more dissatisfaction in the process of life review, but for most men the lack of continuity was not a source of dissatisfaction in old age.  相似文献   
45.
Abstract

Objective: To examine associations between two body image constructs (body appreciation and body satisfaction) and five health behaviors (diet, physical activity, weight management, tobacco exposure, and alcohol intake) associated with risk for chronic disease, controlling for self-esteem. Participants: Three hundred and forty-four college students enrolled at a large, public university in the southeastern US. Methods: Students completed an online survey composed of measures of body appreciation, body satisfaction, self-esteem, and frequency of engagement in preventive health behaviors. Hierarchical linear regression models were used to assess relationships between constructs. Results: Body appreciation, but not body satisfaction or self-esteem, significantly and positively predicted engagement in diet-, physical activity-, and weight-related health behaviors. No associations were found for substance use outcomes. Conclusions: Results illuminate health risks among college students and provide additional evidence to support the development of holistic preventive interventions that simultaneously address aspects of mental and physical health among college students.  相似文献   
46.
ABSTRACT. Participants (124 heterosexual women) completed measures of thin-ideal internalization, discrepancy between perceptions of actual and ideal figure (DISCSELF), perceptions of the discrepancy between estimates of partner's view of actual and ideal female figure (DISCPART), body image, and sexual well-being. We found support for the proposed perception-of-partner pathway in that greater DISCPART was associated with poorer body image, which in turn was associated with poorer sexual well-being. However, we found little support for a link between thin-ideal internalization or DISCSELF and sexual well-being. The results suggest that heterosexual women's beliefs about how their partners view them are important to their sexual well-being.  相似文献   
47.
ABSTRACT

The prevalence of breast augmentation and breast lift surgery suggests that many women are dissatisfied with their breasts. This study analyzed women's and men's views about breast size and shape among 52,227 heterosexual adults, ages 18–65, who responded to an online survey. Although most women (70%) were dissatisfied with the size or shape of their breasts, most men (56%) were satisfied with their partner's breasts. Younger and thinner women worried that their breasts were too small; older and heavier women were more concerned with breast droopiness. Women who were dissatisfied with their breasts were more likely to report lower body satisfaction and to express concern about wearing a bathing suit in public. Further, dissatisfied women were also less willing to undress in front of their partner and were more likely to conceal their breasts from their partner during sex. These findings suggest that dissatisfaction with breasts is widespread among adult women.  相似文献   
48.
以身体为基的自由是一种实践的、动态的自由,此自由体现在身体不断地对界限进行超越的过程中,体现在不确定性和流动性中。儿童的自由只有在实践的、不确定的身体运动中才能生长起来。儿童的权力,从动作出发而产生;儿童的智慧,在体验中生长;儿童的自由,在身体解放中得以实现。  相似文献   
49.
Environmental Protection Agency (EPA) ambient air quality guidelines are meant to limit long‐term exposures of toxins to safe levels. Unfortunately, there is little guidance for what constitutes a safe level from a one‐time (or very infrequent) short exposure(s). In the case of mercury, a review of the derivation of the EPA ambient air quality standard shows that it implicitly assumes a tissue burden model. The time dependence of the tissue burden is commonly described in terms of a half‐life, a modeling assumption that presumes that the decline in the tissue burden after a single exposure can be approximately described as an exponential decay. In this article, we use a simple exponential tissue burden model to derive a time‐dependent no observable adverse effect level (NOAEL) for mercury concentrations in air. The model predicts that tissue body burden will asymptotically approach the EPA air quality level for long exposure times, and reach workplace standard levels for exposures of a few hours. The model was used along with data on mercury levels from experimental work done by the Maine Department of Environmental Protection to evaluate the risks from a broken compact fluorescent lamp in a residential setting. Mercury levels approached the NOAEL only when the debris was left in an almost sealed room. Normal common‐sense cleaning measures: removal of debris to an outside area, and ventilation of the room for several minutes, reduced exposures to less than 1% of the NOAEL.  相似文献   
50.
针对师范生的实际,从师范生学习态势语的重要性、学习态势语的作用、态势语技能培训以及训练的原则几个方面进行了阐述。在具体的训练操作过程中,应围绕身姿语、手势语、表情语、目光语、空间距离语、服饰语等项内容因材施教,就能有效提高师范生的教学技能。  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