全文获取类型
收费全文 | 823篇 |
免费 | 25篇 |
专业分类
教育 | 635篇 |
科学研究 | 48篇 |
各国文化 | 25篇 |
体育 | 63篇 |
文化理论 | 4篇 |
信息传播 | 73篇 |
出版年
2023年 | 3篇 |
2022年 | 3篇 |
2021年 | 11篇 |
2020年 | 22篇 |
2019年 | 31篇 |
2018年 | 43篇 |
2017年 | 45篇 |
2016年 | 48篇 |
2015年 | 31篇 |
2014年 | 26篇 |
2013年 | 168篇 |
2012年 | 26篇 |
2011年 | 24篇 |
2010年 | 28篇 |
2009年 | 30篇 |
2008年 | 22篇 |
2007年 | 21篇 |
2006年 | 19篇 |
2005年 | 10篇 |
2004年 | 19篇 |
2003年 | 10篇 |
2002年 | 10篇 |
2001年 | 8篇 |
2000年 | 9篇 |
1999年 | 6篇 |
1998年 | 5篇 |
1997年 | 7篇 |
1996年 | 7篇 |
1995年 | 18篇 |
1994年 | 9篇 |
1993年 | 15篇 |
1992年 | 9篇 |
1991年 | 10篇 |
1990年 | 8篇 |
1989年 | 8篇 |
1988年 | 11篇 |
1987年 | 5篇 |
1986年 | 7篇 |
1984年 | 3篇 |
1983年 | 6篇 |
1982年 | 3篇 |
1981年 | 5篇 |
1980年 | 6篇 |
1979年 | 6篇 |
1978年 | 5篇 |
1977年 | 2篇 |
1976年 | 2篇 |
1974年 | 2篇 |
1972年 | 2篇 |
1956年 | 2篇 |
排序方式: 共有848条查询结果,搜索用时 281 毫秒
51.
52.
53.
Daniel Kelly Garrett F. Coughlan Brian S. Green Brian Caulfield 《Sports Engineering》2012,15(2):81-92
Elite rugby union teams currently employ the latest technology to monitor and evaluate the physical demands of training and games on their players. Tackling has been shown to be the most common cause of injury in rugby union, yet current player monitoring technology does not effectively evaluate player tackling measurements. Currently, to evaluate measurements specific to player tackles, a time-consuming manual analysis of player sensor data and video footage is required. The purpose of this work is to investigate tackle modeling techniques which can be utilised to automatically detect player tackles and collisions using sensing technology already being used by elite international and club level rugby union teams. This paper discusses issues relevant to automatic tackle analysis, describes a technique to detect tackles using sensing data and validates the technique by comparing automatically detected collisions to manually labeled collisions using data from elite club and international level players. The results of the validation show that the system is able to consistently identify collisions with very few false positives and false negatives, achieving a recall and precision rating of 0.933 and 0.958, respectively. The aim is that the automatically detected tackles can provide coaching, medical and strength and conditioning staff with objective tackle-specific measurements, in real time, which can be used in injury prevention and rehabilitation strategies. 相似文献
54.
David A. Green 《International Journal for Academic Development》2013,18(1):33-45
Seventy‐seven new academics – 59 at a large, public university in the UK and 18 at a medium‐sized, private comprehensive university in the USA – were asked to read an extract of an article on the scholarship of teaching and learning (SoTL) and mark the text according to categories of difficulty or dislike. Analysis of the data revealed six main linguistic barriers in the text: specialist vocabulary, passive constructions, pronouns, figurative language, derivations and poor editorial standards. These barriers were similar at both institutions, suggesting they apply across different contexts. Contrary to expectations, no conclusive disciplinary‐based distinctions were detected. Implications for both readers and writers are explored and proposals are made for developing a literary style in SoTL literature that is simultaneously accessible and credible. Soixante‐dix‐sept nouveaux enseignants – cinquante‐neuf provenant d’une université publique britannique de grande taille et dix‐huit provenant d’une université privée américaine de taille moyenne – ont lu l’extrait d’un article portant sur le scholarship of teaching and learning (SoTL) et ont identifié les parties qu’ils jugeaient difficiles ou qu’ils n’appréciaient pas. Une analyse des données révèle la présence de six barrières linguistiques principales dans le texte: le vocabulaire spécialisé, les constructions passives, les pronoms, le langage figuratif, les dérivations et des standards de rédaction de piètre qualité. Ces barrières étaient similaires dans le cas des deux institutions, ce qui suggère qu’elles sont applicables dans des contextes différents. Contrairement aux attentes, aucune distinction reposant sur les disciplines permettant de tirer des conclusions n’a pu être détectée. Les implications pour les lecteurs et les rédacteurs sont explorées et des propositions visant à développer un style littéraire pour la documentation portant sur le SoTL qui soit à la fois accessible et crédible sont formulées. 相似文献
55.
Jeremy Knox 《Teaching in Higher Education》2013,18(8):821-832
This paper will review existing literature on Open Educational Resources (OER). It is intended to examine and critique the theories which underpin the promotion of OER in higher education, not provide guidance on their implementation. (1) I will introduce the concepts of positive and negative liberty to suggest an under-theorisation of the term ‘open’. (2) OER literature will be shown to endorse a two-tiered system, in which the institution is both maintained and disaggregated. (3) I will highlight a diminishing of the role of pedagogy within the OER vision and the promotion of a learner-centred model for education. (4) This stance will be aligned with humanistic assumptions of unproblematic self-direction and autonomy. (5) I will discuss the extent to which the OER movement aligns itself with economically orientated models of the university. I offer these critiques as a framework for the OER movement to develop as a theoretically rigorous area of scholarship. 相似文献
56.
Sailajah Sukumaran Vanessa A. Green 《International Journal of Inclusive Education》2013,17(8):821-844
Inclusive education has been introduced through a number of policy developments in Malaysia over the last 10 years but there is little research investigating the extent and nature of inclusive education for preschoolers with special educational needs (SEN). This study surveyed both regular and special education teachers in Malaysian integrated preschools asking them about the level and nature of inclusion taking place in their preschools and their perceptions and beliefs about inclusion. There was little evidence of practices of inclusion taking place. Both regular and special educators agreed that SEN should be educated alongside their peers in a school but were unlikely to agree that the SEN students should be in the same classroom. Factors identified as influencing inclusion included school culture, skills and competency, guidance and information, workload and students' disabilities. More guidelines and support are required for successful inclusion in Malaysian integrated preschools. 相似文献
57.
When General Certificates of Secondary Education (GCSEs) were introduced in the late 1980s, coursework was included as a requirement in many subjects. Coursework was intended to help best represent students' attainments, but concerns about various issues (e.g., tasks becoming formulaic, authenticity of student work, workload) led to a review and ultimately to its replacement with “controlled assessments”. This research investigated the effects of this change. A questionnaire was completed by 346 teachers across 6 subjects. Most teachers felt the risks of plagiarism are similar or have reduced. Two thirds of teachers reported that the introduction of controlled assessment has affected the way they teach, and around 60% feel it has affected the nature of the knowledge and skills learnt by students. There are reportedly practical challenges relating to timetabling, student absence, and increased administration. However, over 70% of teachers consider it “important” or “very important” to have some form of internal assessment in their subject. 相似文献
58.
Paul D. Umbach Jeremy B. Tuchmayer Ashley B. Clayton Kathleen N. Smith 《Community College Journal of Research & Practice》2013,37(9):599-617
ABSTRACTThis paper investigates community college transfer success by exploring the relationship between individual and institutional-level characteristics at students’ two- and four-year institutions. Using statewide administrative data from North Carolina, this study employs a cross-classified multilevel model to investigate the impact that a student’s community college and four-year transfer institution have on post-transfer success. Our findings offer important and compelling insights into the relationship between transfer students, the community college they attended, the four-year transfer institution, and educational outcomes. While individual effects were small, we find several institutional factors associated with student success. Attendance at a large community college or having a public university in the same county as their community college is positively associated with student success, whereas size of the university is negatively related to grades during the first year and persistence to the second year. While the four-year institution’s selectivity is negatively related to many of our outcomes, transferring to a Historically Black College or University is positively associated with GPA, college persistence, and degree completion. 相似文献
59.
Samuel B. Green Marilyn S. Thompson Jennifer Poirier 《Structural equation modeling》2013,20(1):113-126
Two Lagrange multiplier (LM) methods may be used in specification searches for adding parameters to models: one based on univariate LM tests and respecification of the model (LM‐respecified method) and the other based on a partitioning of multivariate LM tests (LM‐incremental method). These methods may result in extraneous parameters being included in models due to either sampling error or the model being misspecified. A 2‐stage specification search may be used to reduce errors due to misspecification. In the 1st stage, parameters are added to models based on LM tests to maximize fit. Second, parameters added in the 1st stage are deleted if they are no longer necessary to maintain model fit. Illustrations are presented to demonstrate that errors due to misspecification occur with the LM‐respecified method and are even more likely with the LM‐incremental approach. These illustrations also show how the deletion stage can help eliminate some of these errors. 相似文献
60.
全球许多传媒实况报道了奥巴马第二任就职大典的过程,包括祷告会、宣誓就职、检阅仪仗队、午餐、就职庆祝游行、晚餐以及舞会。在整个就职大典中,舞会扮演了十分重要的角色。在今年的舞会上,奥巴马夫妇跳了第一支舞,由著名演员、歌唱家詹妮弗·哈德森(Jennifer Hudson)伴唱,歌曲是"让我们在一起"(Let’s Stay Together),这是一首七十年代的当红流行曲,被列入美国五百首最了不起歌曲排行榜的第六十名。春节、情人节,一中一西两个节日,总是让整个虽然还春寒料峭的2月天都洋溢着温暖甜蜜的气氛,这首歌很是应景呢。 相似文献