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181.
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Volume contents     

Volume Contents

Volume contents  相似文献   
183.
Tolerance to an environmental cold challenge in rats is eliminated when cold exposure occurs in a context different from the adaptation context, indicating that learning mechanisms play a role in thermoregulation (Riccio, MacArdy, & Kissinger, 1991). This finding, analogous to outcomes obtained with drug tolerance, was investigated in the present study. Experiment 1 demonstrated that a change in both proximal and distal contextual cues disrupts an established cold adaptation, an outcome consistent with the view that associative processes contribute to the tolerance. In Experiment 2, although cold tolerance persisted over a 7-day retention interval, the disruption of tolerance by a shift in context was attenuated with the delay of testing. This finding suggests that the precise stimulus attributes of the context were forgotten over the interval. Experiment 3 demonstrated that cold-tolerance disruption is due to the actual change in context and not to novelty of the test context. Experiment 4 showed that changing the context associated with each cold exposure impaired the development of tolerance. The results of these experiments provide additional evidence that cold tolerance is regulated at least partially by associative learning processes.  相似文献   
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This article contributes to the investigation of refugee and immigrant education. As one part of a comprehensive qualitative study, it showcases the school experiences of three students: Quincy, a refugee from Afghanistan who came to the United States at age thirteen; Emily, an immigrant from Poland who arrived at age six; and Maung, a political refugee from Burma who arrived at age eighteen. The school experiences of these students mirror those of many children who come from countries and communities outside the dominant culture of the United States.The framework of investigation is based on the notion that school life for minority children, in this case, refugee and immigrant students, can be examined from a critical and political perspective; that is, contextualized socially, economically, and politically (Apple, 1990). Students who are not grounded in the mainstream culture struggle to get along in school settings that are institutionalized according to the moral, social, and cultural dimensions of society. Critical theorists contend that student voice can become an organizing force to negotiate and construct multiple interpretations of school life within the reality of institutionalized ways of being in school. In this study, a focus on finding and developing student voice offers the possibility of passages between private and public (Miller, 1990) to permit the sharing and envisioning of multiple interpretations of school life for students and for those with whom they interact with in school settings.  相似文献   
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Many students have a deep interest in astronomy, but a limited opportunity to use telescopes to explore the heavens. The MicroObservatory Network of automated telescopes is designed to provide access to classroom teachers who wish their students to conduct projects over the World Wide Web. The intuitive interface makes it easy for even 10-year-olds to take pictures. Telescopes can be remotely pointed and focused: filters, field of view, and exposure times can be changed easily. Images are archived at the website, along with sample challenges and a user bulletin board, all of which encourage collaboration among schools. Wide geographic separation of instruments provides access to distant night skies during local daytime. Since first light in 1995, we have learned much about remote troubleshooting, designing for unattended use, and for acquiring the kinds of images that students desire. This network can be scaled up from its present capability of 240,000 images each year to provide telescope access for all US students with an interest in astronomy. Our WWW address is http://mo-www.harvard.edu/MicroObservatory/  相似文献   
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The scholarly journals in professional and scientific fields serve the function of communicating new knowledge and informed discourse on the major issues affecting the field of counseling, and editorial board members (EBMs) serve as gatekeepers of what information will be communicated. The ability of EBMs to make sound judgments directly affects the quality of research and scholarship published. This study analyzed one important EBM qualification, the scholarly productivity of the editorial board members of three major American counseling journals (The Counseling Psychologist [TCP], the Journal of Counseling Psychology [JCP], and the Journal of Counseling and Development [JCD]). An analysis of the productivity rates of editorial board members on these journals was conducted using the PsycINFO database. The results indicated that editorial board members of JCP have significantly more experience publishing than members of TCP and JCD. The differential publication rates of editorial board members suggest that these three journals place different emphasis on scholarly productivity as part of their selection criteria for editorial board membership and may reflect that the three journals have different missions and serve different clientele. These findings have implications, not only for the profession of counseling in the United States, but also for the international counseling community.This article is dedicated to our esteemed colleague, Stephen G. Weinrach, who died after a long and courageous battle with leukemia on April 24, 2004. This article was the last that Steve was working on prior to his death. It was his brainchild. The contributions that Steve made to the counseling profession over the years are inestimable. He was truly through his numerous writings and professional association activities the “conscience of the couseling profession.” He is dearly missed.  相似文献   
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It is now widely recognised that Britain's comprehensive system was never truly comprehensive. Families with sufficient financial capital were always able to ensure the entry of their children to particularly prestigious ‘comprehensive’ schools by purchasing a home within the appropriate catchment areas. According to government rhetoric, recent legislation established a market of schools, removed catchment areas and gave parents greater choice of school. This case‐study examines the workings of the local quasi‐market of schools within a prosperous town (Sutton Coldfield, England) which is part of the larger metropolitan area of the West Midlands. Because of a change in the age of entry to secondary education, Sutton Coldfield was first plunged into the market in 1992. This case‐study shows that the new situation initially caused confusion and anger. Some Sutton Coldfield residents were denied places for their children within the town and were instead offered places for their children in Birmingham working‐class estate schools. The article describes the formation and activities of a local pressure group which opposed these changes, and reports the results of a small‐scale study of a sample of parents’ choice‐making processes in 1993. It is shown that access to financial and cultural capital had become more, rather than less, important in the process of allocating children to secondary schools.  相似文献   
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