Concentration and Purification of Yacon?(Smallanthus sonchifolius) Root Fructooligosaccharides?Using Membrane Technology     

Maria Julia Ledur Alles  Isabel Cristina Tessaro  Caciano Pelayo Zapata Nore?a 《Food Technology and Biotechnology》2015,53(2):190-200

  相似文献   

Effects of changing speed on knee and ankle joint load during walking and running     

Ana Cristina de David  Felipe Pivetta Carpes  Darren Stefanyshyn 《Journal of sports sciences》2015,33(4):391-397

Joint moments can be used as an indicator of joint loading and have potential application for sports performance and injury prevention. The effects of changing walking and running speeds on joint moments for the different planes of motion still are debatable. Here, we compared knee and ankle moments during walking and running at different speeds. Data were collected from 11 recreational male runners to determine knee and ankle joint moments during different conditions. Conditions include walking at a comfortable speed (self-selected pacing), fast walking (fastest speed possible), slow running (speed corresponding to 30% slower than running) and running (at 4 m · s^?1 ± 10%). A different joint moment pattern was observed between walking and running. We observed a general increase in joint load for sagittal and frontal planes as speed increased, while the effects of speed were not clear in the transverse plane moments. Although differences tend to be more pronounced when gait changed from walking to running, the peak moments, in general, increased when speed increased from comfortable walking to fast walking and from slow running to running mainly in the sagittal and frontal planes. Knee flexion moment was higher in walking than in running due to larger knee extension. Results suggest caution when recommending walking over running in an attempt to reduce knee joint loading. The different effects of speed increments during walking and running should be considered with regard to the prevention of injuries and for rehabilitation purposes.  相似文献   

Pawns in a Chess Game     

Gloria García González 《Media History》2015,21(4):412-425

The Spanish Service was established in June 1939, two months after the end of the civil war in Spain and shortly before the start of the Second World War. Its implementation was strongly affected by these conflicts in the context of new international relations. Therefore, this study of the Spanish Service during 1939–1945 allows not only a better understanding of the communicational strategies developed by the BBC, but also of the complex Anglo-Spanish relations and the important role played by the Spanish-language broadcasts therein. The study is mainly based on archival documents from the National Archives in London and memoirs.  相似文献   

Infants’ and Young Children's Imitation of Linguistic In‐Group and Out‐Group Informants          下载免费PDF全文

Lauren H. Howard  Annette M. E. Henderson  Cristina Carrazza  Amanda L. Woodward 《Child development》2015,86(1):259-275

Although children can use social categories to intelligently select informants, children's preference for in‐group informants has not been consistently demonstrated across age and context. This research clarifies the extent to which children use social categories to guide learning by presenting participants with a live or video‐recorded action demonstration by a linguistic in‐group and/or out‐group model. Participants’ (N = 104) propensity to imitate these actions was assessed. Nineteen‐month‐olds did not selectively imitate the actions of the in‐group model in live contexts, though in‐group preferences were found after watching the demonstration on video. Three‐year‐olds selectively imitated the actions demonstrated by the in‐group member regardless of context. These results indicate that in‐group preferences have a more nuanced effect on social learning than previous research has indicated.  相似文献   

Covariation between variables in a modelling process: The ACODESA (collaborative learning,scientific debate and self-reflection) method     

Fernando Hitt  Alejandro S. González-Martín 《Educational Studies in Mathematics》2015,88(2):201-219

  相似文献   

Family dynamics and cochlear implant: a case study / Dinámica familiar e implante coclear: estudio de casos     

José Mª Fernández-Batanero  Gema Blanco 《Infancia y Aprendizaje》2015,38(1):30-66

  相似文献   

Transcultural analysis of the effectiveness of a program to promote self-regulated learning in Mozambique,Chile, Portugal,and Spain     

Pedro Rosário  José Carlos Núñez  Luisa Trigo  Carina Guimarães  Estrella Fernández  Rebeca Cerezo 《高等教育研究与发展》2015,34(1):173-187

The current investigation aims at assessing the effectiveness of an intervention program designed to enhance self-regulated learning (SRL) strategies at the university level, with students from different cultural, linguistic, and educational backgrounds. The central tool of the program is a set of letters in which a fictional first-year student describes his experiences as an SRL student. The program was implemented in four universities in different countries and continents (Portugal, Spain, Chile, and Mozambique), with an experimental group and a comparison group at each university (263 students from experimental groups and 247 from comparison groups). Findings display the effectiveness of the program in enhancing a set of motivational variables related to the study process and the use of SRL strategies. Data were consistent across the different cultural and academic contexts in which the program was implemented. The implications of these findings for university administrators and faculty are discussed.  相似文献   

Revisiting the Collective in Critical Consciousness: Diverse Sociopolitical Wisdoms and Ontological Healing in Sociopolitical Development     

Sonia Abigail Sánchez Carmen  Michael Domínguez  Andrew Cory Greene  Elizabeth Mendoza  Michelle Fine  Helen A. Neville  Kris D. Gutiérrez 《The Urban Review》2015,47(5):824-846

  相似文献   

Development of students’ conceptual thinking by means of video analysis and interactive simulations at technical universities     

Peter Hockicko  L′uboš Krišt′ák  Miroslav Němec 《European Journal of Engineering Education》2015,40(2):145-166

Video analysis, using the program Tracker (Open Source Physics), in the educational process introduces a new creative method of teaching physics and makes natural sciences more interesting for students. This way of exploring the laws of nature can amaze students because this illustrative and interactive educational software inspires them to think creatively, improves their performance and helps them in studying physics. This paper deals with increasing the key competencies in engineering by analysing real-life situation videos – physical problems – by means of video analysis and the modelling tools using the program Tracker and simulations of physical phenomena from The Physics Education Technology (PhET?) Project (VAS method of problem tasks). The statistical testing using the t-test confirmed the significance of the differences in the knowledge of the experimental and control groups, which were the result of interactive method application.  相似文献   

Editorial     

Julio González Bello 《International Journal for Educational and Vocational Guidance》2015,15(3):191-192

  相似文献