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91.
Abstract The aim of this study was to determine whether creatine ingested in combination with relatively small quantities of essential amino acids, simple sugars, and protein would stimulate insulin release and augment whole-body creatine retention to the same extent as a large bolus of simple sugars. Seven young, healthy males underwent three randomized, 3-day experimental trials. Each day, 24-h urine collections were made, and on the second day participants received 5 g creatine + water (creatine trial), 5 g creatine + ~95 g dextrose (creatine + carbohydrate) or 5 g creatine + 14 g protein hydrolysate, 7 g leucine, 7 g phenylalanine, and 57 g dextrose (creatine + protein, amino acids, and carbohydrate) via naso-gastric tube at three equally spaced intervals. Blood samples were collected at predetermined intervals after the first and third naso-gastric bolus. After administration of the first and third bolus, serum insulin concentration was increased by 15 min (P < 0.05) in the creatine + carbohydrate and creatine + protein, amino acids, and carbohydrate trials compared with creatine alone, and plasma creatine increased more following creatine alone (15 min, P < 0.05) than in the creatine + carbohydrate and creatine + protein, amino acids, and carbohydrate trials. Urinary creatine excretion was greater with creatine alone (P < 0.05) than with creatine + carbohydrate and creatine + protein, amino acids, and carbohydrate. Administration of creatine + protein, amino acids, and carbohydrate can stimulate insulin release and augment whole-body creatine retention to the same extent as when larger quantities of simple sugars are ingested. 相似文献
92.
Frank I. Michel Kai-Uwe Schmitt Richard M. Greenwald Kelly Russell Frank I. Simpson David Schulz Mike Langran 《Sports Engineering》2013,16(4):197-210
The wrist is the most frequently injured body region among snowboarders. Studies have shown that the risk of sustaining a wrist injury can be reduced by wearing wrist protection. Currently, there are a wide variety of wrist protection products for snowboarding on the market that offer a range of protective features. However, there are no minimum performance standards for snowboarding wrist protectors worldwide. The International Society for Skiing Safety convened a task force to develop a White Paper to evaluate the importance and necessity of a minimum performance for all wrist protectors used in snowboarding. The White Paper outlines the need for a general framework for a harmonized international standard and reviews the existing evidence. Therefore, this White Paper may serve as a common base for future discussions. The broader goal of developing and implementing such a standard is to reduce the incidence and the severity of wrist injuries in snowboarding without increasing the risk of adverse events, such as upper arm or shoulder injury. The European standard for inline skating wrist protectors (EN 14120) can serve as a starting point for efforts related to a standard for snowboard wrist protectors, but certain modifications to the standard would be required. It is hypothesized that implementation of a snowboarding wrist protector standard would result in fewer and less severe wrist injuries in the sport and could translate into more riding days for healthy snowboarders and significant health-care costs savings. 相似文献
93.
The urban university and urban culture 总被引:1,自引:0,他引:1
Conclusion We have briefly described an urban university in contrast to the traditional university, and we have recommended several strategies for changing the traditional university. The urban university plays a much more important role in the intellectual life of the urban community. It reaches throughout the community and, in becoming a center of intellectual activity in its urban settings, gives the intellectual life of a community greater focus. We believe that many urban communities would be anxious to develop an urban university and that such communities would be attractive to a great many people.William L. Blizek and Robert B. Simpson are, respectively, Associate Professor of Philosophy and Assistant Professor of Sociology at the University of Nebraska at Omaha.This paper is a revised version of one presented originally at the First National Conference on Urban Education, Kansas City, Missouri, November 25, 1975. 相似文献
94.
This paper examines the work of students who, when reasoning about real analysis, do so almost exclusively by means of verbal and algebraic reasoning, and tend not to incorporate visual images into their work. It examines the work of students from two parallel courses of introductory real analysis, whose reasoning ranges from those who introduce definitions appropriately and work with them competently, to those who cannot recall definitions and appear to manipulate notation without regard for its reference. It presents a theory that relates the differences to students expectations regarding their role as learners of mathematics. Throughout, the argument is illustrated with interview data from which the theory was inductively generated. 相似文献
95.
Janeé R. Avent Harris Derek L. Roberston Brenda Jones Ashley M. Prado 《Counselor Education & Supervision》2017,56(2):145-158
In this phenomenological study, the authors investigated the experiences of African American counselors‐in‐training, with roots in the Black church, as they navigated their faith and professional responsibilities to provide affirming services to lesbian, gay, and bisexual clients. Findings suggest attitudes toward lesbian, gay, and bisexual clients are intertwined with faith, race, and community allegiance. 相似文献
96.
Thirteen Ph.D. students took part in interviews focussed on the nature of their own learning of mathematics. In analysing these interviews an unexpected category emerged concerning the students awareness of others as having particular types of learning goal. In this paper we explore the three levels which we discerned within this category and link them to the notion of cognitive empathy. We suggest that differences in ones own cognitive style are linked to differences in the ability to empathise with those who have alternative learning goals. We also consider how these two features – cognitive style and cognitive empathy – may come to be linked. 相似文献
97.
Ashley M. Mayworm Jill D. Sharkey Kayleigh L. Hunnicutt K. Chris Schiedel 《Journal of educational and psychological consultation》2016,26(4):385-412
ABSTRACTRestorative justice (RJ) is an alternative approach to school discipline that has been gaining recognition in the public and academic spheres as a way to engage students who misbehave in school. RJ has promise to address racial/ethnic, gender, and disability disproportionality in school discipline. One aspect of school-based RJ that has received almost no attention in the literature is the professional development and ongoing support of teachers in schools using RJ. This article provides a review of extant literature on school-based RJ, teacher training, and consultation methods. Integrating the empirical literature on school consultation and teacher professional development, we argue that schools should implement a multitiered model of professional development to build teacher competency in RJ, specifically including the use of targeted teacher consultation. The proposed model is complementary to an RJ framework, systematic, and capable of evaluation; future research is needed to evaluate its effectiveness in practice. 相似文献
98.
A distinct and complex definition of attitude is evolving within the literature. A mental readiness to respond and a correlational consistency between attitude and behavior—although controversial and in need of further study and analysis—remain viable subcomponents within the definition. Most agree that evaluation is the heartbeat of attitude. The impact of social influence on attitudes is becoming increasingly important. Attitudes are learned and not inherited. 相似文献
99.
Professional development to increase teacher behavior‐specific praise: A single‐case design replication
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Nicholas A. Gage Nicolette M. Grasley‐Boy Ashley S. MacSuga‐Gage 《Psychology in the schools》2018,55(3):264-277
Effective classroom instruction is contingent upon successful classroom management. Unfortunately, not all teachers successfully manage classroom behavior and need in‐service professional development. In this study, we replicated a targeted professional development approach that included a brief one‐on‐one training session and emailed visual performance feedback to increase novice teachers’ use of behavior‐specific praise, an evidence‐based classroom management skill. Dependent variables collected through direct observation included teachers’ behavior‐specific praise along with average student engagement and disruptions. Four elementary teachers participated and, based on a multiple‐baseline single‐case design, we found a functional relationship between the targeted professional development and teachers’ increased use of behavior‐specific praise. However, because of variability and one teacher's limited response, effect sizes were small for behavior‐specific praise and little change was observed in student behaviors. These findings warrant further research to determine which classroom management skills affect student behaviors overall, as well as continued evaluation of this professional development model and using school‐based coaches. 相似文献
100.
Anthony L. Riley Cora Lee Wetherington Ashley M. Wachsman Harris A. Fishman Mary A. Kautz 《Learning & behavior》1988,16(3):292-298
Animals poisoned following the schedule-induced consumption of saccharin initially continued to drink following spaced pellet deliveries. Neither the initiation of postpellet drinking (i.e., bout, initiation) nor the size and duration of the bouts was effected by the conditioned aversion procedure. With repeated conditioning trials (i.e., repeated pairings of saccharin and LiCl), schedule induced drinking was eventually reduced. The specific components underlying schedule-induced consumption, however, were differentially affected by the aversion training. Specifically, the decrease in schedule-induced drinking was effected primarily by a decrease in licking occurring between 10 and 60 sec after pellet delivery. Bout initiation and licking immediately postpellet (i.e., within the first 10 sec following pellet delivery) were most resistant to suppression and appeared to be responsible for the relative insensitivity of schedule-induced drinking to conditioned taste aversions. The differential effects of taste aversion conditioning on individual components of elicited behavior are discussed. 相似文献