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41.
The most frequently occurring contact events in rugby union are the tackle and ruck. The ability repeatedly to engage and win the tackle and ruck has been associated with team success. To win the tackle and ruck, players have to perform specific techniques. These techniques have not been studied at the highest level of rugby union. Therefore, the purpose of this study was to identify technical determinants of tackle and ruck performance at the highest level of rugby union. A total of 4479 tackle and 2914 ruck events were coded for the Six Nations and Championship competitions. Relative risk ratio (RR), the ratio of the probability of an outcome occurring when a characteristic was observed (versus the non-observed characteristic), was determined using multinomial logistic regression. Executing front-on tackles reduced the likelihood of offloads and tackle breaks in both competitions (Six Nations RR 3.0 Behind tackle, 95% confidence interval [95% CI]: 1.9–4.6, effect size [ES] = large, P < 0.001); Championship RR 2.9 Jersey tackle, 95% CI: 1.3–6.4, ES = moderate, P = 0.01). Fending during contact increased the chances of offloading and breaking the tackle in both competitions (Six Nations RR 4.5 Strong, 95% CI: 2.2–9.2, ES = large, P = P < 0.001; Championship RR 5.1 Moderate, 95% CI: 3.5–7.4, ES = large, P < 0.001). For the ruck, actively placing the ball increased the probability of maintaining possession (Six Nations RR 2.2, 95% CI: 1.1–4.3, ES = moderate, P = 0.03); Championship RR 4.0, 95% CI: 1.3–11.8, ES = large, P = 0.01). The techniques identified in this study should be incorporated and emphasised during training to prepare players for competition. Furthermore, these techniques need to be added to coaching manuals for the tackle and ruck.  相似文献   
42.
The evaluation of Autonomic Nervous System (ANS) recovery following exercise provides insight into the transient stress placed on the cardiovascular system. High-Intensity Functional Training (HIFT) is a form of intense exercise that is prescribed in various modalities and durations; however, little is known about the influence of HIFT duration on ANS recovery. Ten apparently healthy males (28.1 ± 5.4 yrs) performed two HIFT sessions (<5-minute and 15-minute) in a crossover fashion. ANS activity was measured using plasma Epinephrine (E) and Norepineprine (NE); Heart Rate Variability markers of the log transformed Root Mean Square of Successive Differences (lnRMSSD) and High-Frequency power (lnHF). No trial dependent differences were observed in lnRMSSD (p = 0.822), lnHF (p = 0.886), E (p = 0.078), or NE (p = 0.194). A significant main time effect was observed in both trials with a depression in lnRMSSD and lnHF following the trials (p < 0.05) and recovering by 2-hours post (p = 0.141, p > 0.999) respectively. A trial dependent increase in E and NE occurred immediately post (p < 0.05) and recovered by 1-hour post (p > 0.999, p > 0.999) respectively. The HIFT bouts examined within this study demonstrated similar transient strain of the ANS.  相似文献   
43.
The paper reports the results of a longitudinal case study conducted in Australia and New Zealand. The study compares the reading and comprehension age of children in their fifth and sixth years in school. Reading and comprehension ages of 121 children who had Reading Recovery intervention at age 6 were compared with those of a Comparison group of 121 children, drawn from the same classes who, at age 6 years, had been better performers in literacy. Reading and comprehension assessment was conducted with the use of the Neale Analysis of Reading and analysed by means of a t‐test. Results show that the mean reading age of ex‐Reading Recovery children was nearly 12 months superior to that of the Comparison group and that the mean comprehension age was nearly 13 months superior at very highly significant levels. The results strongly suggest that Reading Recovery tuition at age 6 years enabled the 121 ex‐Reading Recovery children to make greater progress in literacy than children in the Comparison group.  相似文献   
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This study examines teachers’ perceptions of classroom motivation and achievement among students displaying culture-based classroom behaviors. Sixty-two elementary school teachers read scenarios of hypothetical students who behaviorally manifested themes purported to be consistent with a European/mainstream cultural ethos (competition, individualism) or Afrocultural ethos (communalism, verve). Teachers then rated students’ motivation and achievement as if they were in their classrooms. Motivation and achievement ratings were significantly higher for students displaying competitive and individualistic classroom behaviors than communal or vervistic behaviors. These findings suggest that the value teachers assign to academic success should not be understood in the absence of cultural considerations.  相似文献   
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ABSTRACT

Where and when do academics write and what are the feelings associated with it? Is the pressure to write a fulfilling process of joyful exploration, or is it stressful and wracked with self-doubt? Inspired by Henri Lefebvre’s Rhythmanalysis, this article explores the rhythmic dispositions and orientations of contemporary academic writing, exposing the perils of neoliberal quantification and fragmentation in relation to the practice and experience of writing. The critical examination of Helen Sword’s guide to successful academic writing and a critique of the material and abstract spaces destined to contemporary academic writing inform the analysis, revealing problematic contractions and ruptures in the spatio-temporal continuum that organically connects reading, thinking and writing. The article makes, therefore, a case for the use of Rhythmanalysis as a diagnostic method capable of signalling – by detecting arrhythmias – the increasing disjunction between the institutional demands of accelerated production and the slower, irrational rhythms of craftsmanship. By politicizing the pathologies of contemporary academic writing, Rhythmanalysis discloses its potential as a progressive political resource: both as a radical call for appropriation and as a counter-discourse, it allows to restore a more harmonious relationship between thinking, reading and writing against dominant forms of productivist fragmentation, while shedding light on the non-places and dead times of our everyday writing habits.  相似文献   
50.
Attitudes to poetry teaching in schools are investigated and relevant studies are shown to highlight reluctance to teach poetry. The study reports an exploratory questionnaire of middle school teachers which reaffirms teachers’ lack of confidence in encouraging classroom work on poetry. A sample of 100 middle school pupils, on the other hand, indicate interest and receptiveness towards poetry despite its neglect by their schools. Implications are raised for in‐service training and for the implementation of National Curriculum requirements.  相似文献   
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