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171.
172.
Francisco Pons Paul L. Harris Pierre-André Doudin 《European Journal of Psychology of Education - EJPE》2002,17(3):293-304
The main goal of this research was to assess whether it is possible to help children develop their general understanding of emotions. Thirty-six nine-year-old children divided in two groups were examined using a pre-test/train/post-test design. The emotion understanding of the two groups was measured in the pre- and post-test phases using the Test of Emotion Comprehension (TEC). The experimental group received a teaching program about emotions during the training phase: School Matters In Lifeskills Education (SMILE). The control group received no special teaching about emotion during this phase. Results showed that the level of emotion understanding in the experimental group improved significantly between the pre- and post-test whereas no such change occurred in the control group. The theoretical and practical implications of the findings are discussed. 相似文献
173.
Professor Andrée Tiberghien 《Research in Science Education》1997,27(3):359-382
In this paper we discuss the articulation between teaching and learning, how to differentiate them and how to establish relations
between them, limiting ourselves to aspects dealing with knowledge. The aim is to allow the design of teaching situations
more relevant for learning. The characteristics differentiating teaching and learning are used to analyse research studies
relative to two time scales, one of the order of months or years and the other of the order of hours. The comparison shows
the importance of the grain size chosen to analyse the knowledge involved both in teaching and in learning. On the first scale,
the analysis of the students' knowledge and that of the knowledge to be taught are done independently to the extent that students'
knowledge is not analysed in reference to the knowledge to be taught (in terms of error or missing aspect) but on the basis
of the student's coherency. The decomposition of these two types of knowledge into similar components allows us to compare
them and leads us to propose “intermediate notions” between the usual physics knowledge to be taught and the students prior
knowledge. These intermediate notions can be rather far from complete correct physics knowledge but are learnable by the students.
On the second scale, detailed analysis of a single teaching session and the students' processes during this session needs
a fine level of knowledge granularity. Such a level allows us to make hypotheses based on the elements of students' prior
knowledge from which they can construct new knowledge and not only on the prior knowledge which has to be modified. This granularity
level allows an emphasis on the positive aspects of students' prior knowledge and enables us to construct hypothesis in order
to design teaching situations. Making explicit “intermediate notions” in the knowledge to be taught at a rather large level
of granularity of knowledge and the positive aspects of students' prior knowledge at a fine level of granularity, are proposed
as ways to improve teaching for fruitful learning. 相似文献
174.
He GQ Xiong HP Chen QH Ruan H Wang ZY Traoré L 《Journal of Zhejiang University. Science. B》2005,6(10):999-1004
Waste hops are good sources of flavonoids. Extraction of flavonoids from waste hops (SC-CO2 extracted hops) using supercritical fluids technology was investigated. Various temperatures, pressures and concentrations
of ethanol (modifier) and the ratio (w/w) of solvent to material were tested in this study. The results of single factor and orthogonal experiments showed that at
50°C, 25 MPa, the ratio of solvent to material (50%), ethanol concentration (80%) resulted in maximum extraction yield flavonoids
(7.8 mg/g). HPLC-MS analysis of the extracts indicated that flavonoids obtained were xanthohumol, the principal prenylflavonoid
in hops.
Project (No. Y304203) supported by the Natural Science Foundation of Zhejiang Province, China 相似文献
175.
Carlos Andrés Rosero-Zambrano Alba Avila Luz Adriana Osorio Sandra Aguirre 《Journal of Science Education and Technology》2018,27(2):177-187
The coupling of the traditional classroom instruction and a virtual learning environment (VLE) in an engineering course is critical to stimulating the learning process and to encouraging students to develop competencies outside of the classroom. This can be achieved through planned activities and the use of information and communication technologies (ICTs), resources designed to complement students’ autonomous learning needs. A quantitative analysis of students’ academic performance using final course grades was performed for a fundamentals of electronics course and we examine students’ perception of their autonomy using surveys. The students’ progress and attitudes were monitored over four consecutive semesters. The first began with the design of the intervention and the following three consisted in the implementation. The strategy was focused on the development of course competencies through autonomous learning with ICT tools presented in the VLE. Findings indicate that the students who did the activities in the VLE showed an increase in performance scores in comparison with students who did not do them. The strategy used in this study, which enhanced perceived autonomy, was associated with a positive effect on their learning process. This research shows that a technology-enhanced course supported by ICT activities can both improve academic performance and foster autonomy in students. 相似文献
176.
177.
It has been noted by staff at the Faculty of Health Sciences, Stellenbosch University that medical students neglect the study of surface anatomy during dissection. This study reports on the novel use of Lodox® Statscan® images in anatomical education, particularly the teaching of surface anatomy. Full body digital X‐ray images (Lodox Statscan) of each cadaver (n = 40) were provided to second year medical students. During dissection students were asked to visualize landmarks, organs, and structures on the digital X‐ray and their cadaver, as well as palpate these landmarks and structures on themselves, their colleagues, and the cadaver. To stimulate student engagement with surface anatomy, dissection groups were required to draw both the normal and actual position of organs on a laminated image provided. The accuracy of the drawings was subsequently assessed and students were further assessed by means of practical identification tests. In addition, students were asked to complete an anonymous questionnaire. A response rate of 79% was obtained for the student questionnaire. From the questionnaire it was gathered that students found the digital X‐ray images beneficial for viewing most systems' organs, except for the pelvic organs. Although it appears that students still struggle with the study of surface anatomy, most students believed that the digital X‐rays were beneficial to their studies and supported their continued use in the future. Anat Sci Educ. © 2012 American Association of Anatomists. 相似文献
178.
An empirical study on 12th-grade students?? engagement on a global warming debate as a citizens?? conference is reported. Within the design-based research methodology, an interdisciplinary teaching sequence integrating an initiation to non-violent communication was developed. Students?? debates were analyzed according to three dimensions: communication, argumentation, and knowledge. Students regulated their oral contributions to the debate by identifying judgments in their discussions. Rhetorical processes developed by students were mainly related to the identity of debate protagonists with interest attributions, authority, and positions. Students?? arguments also relied on empirical data. The students?? knowledge focused on energy choices, economic, political, and science development issues. Implications for socioscientific issues integration in class are discussed. 相似文献
179.
180.
This paper evaluates the viability of using controversies in teaching. An educational project has been elaborated in which some historical-philosophical clashes were introduced into the classical syllabus of physics. The historical-philosophical controversy dealt with here, took place between the French physicists Biot and Ampère in the 19th century and referred to distinct interpretations of the Oersted experiment. This controversy was inserted into the syllabus of the 12th grade of a Brazilian secondary school. 相似文献