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991.
Electrochemistry plays an important role in curricula, textbooks, and in everyday life. The purpose of the present study was to identify and understand secondary‐school students' problems in learning electrochemistry at an introductory chemistry level. The investigation covered four areas: (a) electrolytes, (b) transport of electric charges in electrolyte solutions, (c) the anode and the cathode, and (d) the minus and plus poles. Written tests were given to high‐school students in five cycles. The population from which random samples were drawn totalled 15,700 subjects. Students were asked to select the correct answers and to justify their choices. It was found that students based their reasoning on four alternative concepts: (a) During electrolysis, the electric current produces ions; (b) electrons migrate through the solution from one electrode to the other; (c) the cathode is always the minus pole, the anode the plus pole; and (d) the plus and minus poles carry charges. The results suggest a teaching strategy in which students first experience and learn about electrochemistry concepts. In the second step, appropriate concept terms are added, and students then are confronted with the alternative concepts described in this article. © 2006 Wiley Periodicals, Inc. J Res Sci Teach 44: 258–283, 2007 相似文献
992.
Several reasons for the modest relation between interest congruence and occupational outcomes are discussed, but focus is placed on possible moderators of this relation. Specifically individual differences, environmental differences and time are proposed as potential moderators. Overall, it is important to investigate theoretically driven moderators of the congruence-outcome relation to further our knowledge of this area. 相似文献
993.
Harold G. Nelson 《Performance Improvement Quarterly》2007,20(2):97-115
Reality‐real life‐is complex, more complex than can be imagined. The majority of our most pressing issues confronted in the management of organizations are overwhelmingly complex. I make the case for a systems design approach as a remedy. Examples introduced in this paper illuminate conceptual tools that advance how people transform their workplaces despite the collusion of complex forces that thwart their best efforts and the occurrences of failures of straightforward attempts to produce desired outcomes. The primary aim of this paper is to present an overall picture of the way in which complexity and simplicity—which appear to be oppositional—are collaborative allies in the deliberate processes of transforming businesses. The aim is also to underscore the value of complexity to organizational management and design. The secondary aim of this paper is to explore some approaches for simplifying complexity. These diverse means of simplifying complexity help to illuminate the collaborative role that complexity and simplicity play in the process of improving business organizations. This paper demonstrates how complexity can be rendered more simply comprehensible by design. 相似文献
994.
Interested in incorporating social media into your teaching but wary of the effort it might take? According to the research reviewed by Paige Abe and Nickolas A. Jordan, the challenge may be well worth it in terms of increased student engagement. 相似文献
995.
Assessing clients' hopefulness may provide documentation of counseling effectiveness. Results of this outcome study involving 22 students who presented for help at a college counseling center indicated that individual counseling elevated their hope levels, thereby increasing their sense of goal-directed planning (pathways) and determination (agency). Findings and implications are discussed. 相似文献
996.
997.
Rebekah Inez Brau John W. Gardner G. Scott Webb Jason K. McDonald 《Decision Sciences Journal of Innovative Education》2019,17(1):6-32
We develop a single‐class period learning game for the Plan‐Do‐Study‐Act (PDSA) improvement cycle. The experiential activity walks teams through the PDSA problem‐solving process as they create paper American footballs and improve their performance using each step of the cycle. The game is one of the first to focus on PDSA. Key benefits include increased student attention, engagement, and learning. Empirical tests show that participant pre‐ and post‐test scores regarding their understanding of each phase of PDSA improved 21.2% after completing the game. Additionally, the treatment group performed 16.6% higher than the control group. In participant perception questions, 85% of participants felt the game was more effective than lecture or reading, 93% felt the game was fun, 95% felt the game improved their understanding of PDSA, and 98% felt the game was engaging. 相似文献
998.
Götz Krummheuer 《Educational Studies in Mathematics》2013,84(2):177-181
In 2008, the research center “Individual Development and Adaptive Education” was constituted by the Goethe University, the German Institute for International Educational Research, and the Sigmund Freud Institute, all located in Frankfurt am Main, Germany (http://www.idea-frankfurt.eu). The research of the center focuses on the development of children in preschool, kindergarten, and primary school age by including and combining cognitive, neuro-cognitive and socio-emotional factors. The Special Issue “Early Years” reports about the research activities concerning mathematics learning in the early years. 相似文献
999.
Andrew R. J. Yeaman 《TechTrends》2004,48(4):7-11
Only one thing is definite for the future of our professional ethics. As long as there is an Association, the Code of Professional Ethics will not stabilize permanently but will continue to unfold. The members who formulated the Code as it stands at present, as well as those who subsequently interpreted it and those who recently revised it, were cautious and deliberate. They deserve respect for being caring and thoughtful. These efforts ought to be continued by their successors. 相似文献
1000.
Erie Andrew Jay Sidney J. Starkman Wojciech Pawlina Nirusha Lachman 《Anatomical sciences education》2013,6(6):385-392
Teaching is an increasingly recognized responsibility of the resident physician. Residents, however, often assume teaching responsibilities without adequate preparation. Consequently, many medical schools have implemented student‐as‐teacher (SAT) programs that provide near‐peer teaching opportunities to senior medical students. Near‐peer teaching is widely regarded as an effective teaching modality; however, whether near‐peer teaching experiences in medical school prepare students for the teaching demands of residency is less understood. We explored whether the anatomy‐based SAT program through the Human Structure didactic block at Mayo Medical School addressed the core teaching competencies of a medical educator and prepared its participants for further teaching roles in their medical careers. A web‐based survey was sent to all teaching assistants in the anatomy‐based SAT program over the past five years (2007–2011). Survey questions were constructed based on previously published competencies in seven teaching domains – course development, course organization, teaching execution, student coaching, student assessment, teacher evaluation, and scholarship. Results of the survey indicate that participants in the anatomy‐based SAT program achieved core competencies of a medical educator and felt prepared for the teaching demands of residency. Anat Sci Educ 6: 385–392. © 2013 American Association of Anatomists. 相似文献