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   1763篇
  免费   21篇
  国内免费   12篇
教育   948篇
科学研究   280篇
各国文化   6篇
体育   347篇
综合类   22篇
文化理论   2篇
信息传播   191篇
  2023年   12篇
  2022年   11篇
  2021年   4篇
  2018年   3篇
  2016年   7篇
  2015年   5篇
  2014年   11篇
  2013年   16篇
  2012年   142篇
  2011年   206篇
  2010年   78篇
  2009年   18篇
  2008年   108篇
  2007年   141篇
  2006年   118篇
  2005年   106篇
  2004年   88篇
  2003年   93篇
  2002年   87篇
  2001年   49篇
  2000年   67篇
  1999年   51篇
  1998年   12篇
  1997年   19篇
  1996年   14篇
  1995年   23篇
  1994年   14篇
  1993年   21篇
  1992年   23篇
  1991年   22篇
  1990年   23篇
  1989年   15篇
  1988年   11篇
  1987年   17篇
  1986年   17篇
  1985年   15篇
  1984年   12篇
  1983年   19篇
  1982年   9篇
  1981年   16篇
  1980年   8篇
  1978年   3篇
  1977年   5篇
  1968年   3篇
  1967年   3篇
  1958年   3篇
  1957年   3篇
  1948年   3篇
  1937年   3篇
  1927年   3篇
排序方式: 共有1796条查询结果,搜索用时 15 毫秒
941.
In historical and ethnographic studies of the making of scientific knowledge, there has been a long-standing fascination with deflating certain stories about objectivity. Among the resources used to achieve that deflation have been the notions of subjectivity, which has been treated more as a trouble for objectivity than as a knowledge-making mode open to systematic study. I describe notions of subjectivity implicated in that inattention; I trace potentially constructive links between contemporary science studies and resources in 18th-century philosophical aesthetics; I draw notice to available engagements with the mode of subjectivity known as taste, and, especially, gustation and olfaction; and I suggest ways in which we might study the achievement of intersubjectivity in these domains.  相似文献   
942.
Cross-species comparison has long been regarded as a stepping-stone for medical research, enabling the discovery and testing of prospective treatments before they undergo clinical trial on humans. Post-genomic medicine has made cross-species comparison crucial in another respect: the 'community databases' developed to collect and disseminate data on model organisms are now often used as a template for the dissemination of data on humans and as a tool for comparing results of medical significance across the human-animal boundary. This paper identifies and discusses four key problems encountered by database curators when integrating human and non-human data within the same database: (1) picking criteria for what counts as reliable evidence, (2) selecting metadata, (3) standardising and describing research materials and (4) choosing nomenclature to classify data. An analysis of these hurdles reveals epistemic disagreement and controversies underlying cross-species comparisons, which in turn highlight important differences in the experimental cultures of biologists and clinicians trying to make sense of these data. By considering database development through the eyes of curators, this study casts new light on the complex conjunctions of biological and clinical practice, model organisms and human subjects, and material and virtual sources of evidence--thus emphasizing the fragmented, localized and inherently translational nature of biomedicine.  相似文献   
943.
Eder S 《Endeavour》2012,36(2):69-76
In 1955, a paradigm shift in the conception of sex is said to have taken place, when psychologist John Money at Johns Hopkins's Pediatric Endocrinology Clinic argued that 'hermaphroditic' children could be assigned a sex contradictory to their biological sex. Rather than being born male or female, he claimed, these children learned to be boys or girls. Money was subsequently credited the invention of the term gender role. However, Money only confirmed a practice that was established at the clinic several years before his intervention. The clinic's director Lawson Wilkins (1894-1963) had already recommended that certain children, virilized by congenital adrenal hyperplasia, should be raised in the male sex, even though they were by all medical standards of the time female. What mattered for him was assigning the sex that seemed 'better' for these children. What constituted the 'better sex' was contingent on the child's psyche and habitus, social expectations, and on the range of medical and surgical interventions available at the time.  相似文献   
944.
十九世纪中期开始传入中国的进化论思想,直接导致中国思想界发生翻天覆地的变化。从严复“取便发挥”的译述到改良派的“变法维新”,从鲁迅对进化论的宣传到孙中山主张的“改革”、“猛进”,从“五四”初期新文化运动代表者们对中国前途的探索,到他们用社会主义代替资本主义的历史进化立场。进化论对中国近现代历史哲学产生了重大影响,成为从变易史观发展到历史唯物主义的重要环节。  相似文献   
945.
现代科学在许多方面应用于解决犯罪问题。其范围包括血迹的实验室检验, 指纹的分类与搜寻,以及犯罪调查系统的计算机坐阵指挥。作者为科学在这个有趣领域的应用提供了某些例证。  相似文献   
946.
日粮中微营养素硒(Se)能够引起肌肉组织的生理变化,从而改变畜禽肉品的品质.本文着重阐明硒和VE在细胞膜和细胞质的抗氧化中独特应用,进而对肉品的形成和贮存过程中保持肉品的完整性起明显作用.  相似文献   
947.
948.
949.
950.
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