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   40509篇
  免费   631篇
  国内免费   2篇
  41142篇
  2020年   465篇
  2019年   586篇
  2018年   772篇
  2017年   848篇
  2016年   858篇
  2015年   594篇
  2014年   732篇
  2013年   3158篇
  2012年   1327篇
  2011年   1328篇
  2010年   873篇
  2009年   828篇
  2008年   1187篇
  2007年   1226篇
  2006年   1074篇
  2005年   954篇
  2004年   893篇
  2003年   848篇
  2002年   885篇
  2001年   1191篇
  2000年   1147篇
  1999年   893篇
  1998年   414篇
  1997年   406篇
  1996年   370篇
  1995年   371篇
  1993年   373篇
  1992年   756篇
  1991年   667篇
  1990年   719篇
  1989年   617篇
  1988年   653篇
  1987年   611篇
  1986年   623篇
  1985年   563篇
  1984年   532篇
  1983年   503篇
  1982年   379篇
  1980年   367篇
  1979年   594篇
  1978年   424篇
  1977年   364篇
  1975年   461篇
  1974年   513篇
  1973年   550篇
  1972年   409篇
  1971年   397篇
  1969年   407篇
  1968年   481篇
  1967年   441篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
181.
182.
Hyperlexia and a variant of hypergraphia   总被引:1,自引:0,他引:1  
A patient with hyperlexia and hypergraphia is described. The unusual co-occurrence of these two abilities is discussed. Hyperlexia may provide a useful marker to guide educational programming.  相似文献   
183.
Microcomputer-assisted relaxation   总被引:1,自引:0,他引:1  
The present pilot study was designed to test the effectiveness of a microcomputer program developed by the authors to induce relaxation and focused attention, which are common to most clinical stress-reduction and hypnotic procedures. A nonclinical sample of 20 adults used the program on an APPLE IIc computer in two 30-min. sessions in a within-subjects design. Repeated measures analyses of variance showed significant decreases in the Spielberger State Anxiety Scale and on a visual analog anxiety scale. Limitations and implications of the study are discussed.  相似文献   
184.
40 women were taught to use self-statements to cope with pain caused by ice water. The trainer used four different strategies for reassigning a homework task of using self-statements to cope with pain produced by immersing one hand in ice water. The strategies were equally effective in eliciting compliance with the homework assignment.  相似文献   
185.
The author presents the case of a patient who showed the massive defensive effects seen in people who were abused in childhood. These effects are similar to those described in George Orwell's 1984 and in his autobiographical writings: denial and "doublethink"; masochistic submission to the tormentor; turning of anger against the self and loving "Big Brother"; identifying with the abuser and tormenting others; a burgeoning of anal mechanisms and obsessive phenomena that results in a massive isolation of affects; excessive emotional control alongside outbursts of rage. The interference with memory and emotions compromises identity and humanity. The unforseeable evolution of innate gifts in a child sometimes permits a partial transcendence of these crippling defenses, as Orwell partially transcended what appears to have been the emotional deprivation of his childhood and what he felt to have been the abuse of his schoolboy years.  相似文献   
186.
Analyses of averaged auditory evoked responses to a list of 10 positive and 10 negative words led to the identification of a restricted region in the brain response which reliably discriminated between words differing in the semantic features positive and negative. These data support the view that word meanings are composed of more basic components or features and are not stored simply as dictionary items in the brain.  相似文献   
187.
Phenomena of language teaching and learning in the course of verbal interactions between one mother and her daughter were analyzed. The daughter was between 18 and 27 months old during the recordings, and her utterance length ranged from 1,5 to 4,0 morphemes. Twenty hours of interactions were analyzed and the emphasis was placed upon sequential aspects and mathemagenic features of the conversations. It was demonstrated that the mother performs much analytic, synthetic, abstracting, and word-class-defining work during these verbal interactions. These maternal instructional activities seem to lead not only to the child's learning of language rules but also to her employment of the abstracting, analytical, and synthetic methodology. It is concluded that the main explanatory focus has to be on the mother in the attempts to explain language transmission and acquisition. Basic similarities to other instructional/skill training situations are suggested. Neither extraordinary complex cognitive nor innate linguistic capacities need to be assumed to explain the phenomena in question.  相似文献   
188.
The suppression of corticosterone synthesis with metyrapone (25 mg/kg) reduced the hyperactivity and altered the exploratory activity of hippocampally lesioned animals (HPC) in the open field to the level of cortical and sham controls (Experiment 1). In a second experiment, corticosterone (600 micrograms/kg) pretreatment 2 h, but not 1 h, before metyrapone partially restored the hyperactivity of HPC animals that had been decreased by the corticosteroid-suppressant drug. Alterations in exploratory behavior induced by metyrapone were also prevented by corticosterone pretreatment. The results suggest that the suppression of corticosterone in hippocampally lesioned animals produces a normalization of behavior that can be prevented by pretreatment with corticosterone.  相似文献   
189.
190.
The present study examined the direction of the relation between sex role self-concept and depression. A total of 23 males and 32 females were given the Personal Attributes Questionnaire and the Beck Depression Inventory at two times separated by a 3-month interval. Results of a cross-lagged panel correlational analysis found no evidence for sex role orientation as a cause of depression. Instead, the data suggested that emotional well being precedes self-perceived instrumentality, but the influence of third variables could not be overlooked. The implications of these data are discussed with particular reference to the need for more complex theoretical formulations of the relation between self-perceived instrumentality and adjustment.  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