低氧暴露后提高平原运动能力的非血液学机制

在过去五十多年中,高原训练常被应用于优秀耐力运动员,旨在提高其平原的运动能力.大多研究认为,高原适应的优势主要集中在血液学方面,即提主平原运动能力的主要机制是高原环境下氧气利用下降激发红细胞生成加速反应,从而起红细胞量、 VO2max和竞技能力的提高.     

Wrestling Whiteness: Three Stages of Shifting Multicultural Perspectives among White Pre-service Teachers

Pedagogical progress in the field of multicultural education moves at a snail's pace due to pre-service teachers' level of acceptance of multiculturalism and its tenets. Teacher candidates and seasoned teachers are simply unconscious and apathetic about matters of diversity. Pre-service teachers, primarily White and middle class, are mandated to take multicultural courses and grapple with recognizing their own cultural beings and the cultural realities of others. While student populations grow more diverse, the pre-service teacher population is becoming more homogenous. A major obstacle in teacher preparation programs arising from this mismatch of teacher and student cultures is the ability to facilitate a critical consciousness. This includes the ability to analyze the world and employ equity pedagogy in pre-service teachers who are resistant to diversity issues.

Pre- and post-course surveys, in open-ended and anonymous narrative form, were administered to White pre-service teachers (= 94), and this article is divided into two sections based on the results. First, I outline the three shifting perspectives that were identified during a semester-long course with White and middle class pre-service students, and then connect these perspectives to existing research on racial identity ego, theorizing whiteness, and curriculum integration. This new theoretical model addresses equity pedagogy and is framed within whiteness and consciousness studies and may serve as a reflective tool for educators to self-evaluate their pedagogical proclivities. Second, the implications of this informal action research project for White pre-service educators and research in theorizing whiteness are developed.     

Using Photographs to Assess Equity Climate: A Taxonomy

Our challenge as teachers and as human beings is to begin the process of "changing our voices," facing who we are and what that means in a society based on power and oppression. We must learn to listen to others, so we can speak together with voices both united and unique. The journey described is personal, yet it is also generalizable. Changing one's voice may be the only real way in which a teacher can be a model of diversity and multiculturalism. If as a teacher I do nothing to change my own voice, I have accomplished little in terms of effective teaching. My attitudes, behaviors, words should reflect and embody humanity, not just those who "look" like me or are thought of as more capable learners. I must challenge my students' thinking in terms of diversity and multicultural issues and push them to think of the "other."     

The professionalization of health librarianship in the UK between 1909 and 1978

Many strands exist within health information work and during the last century librarians in this field identified themselves through special groups or associations. This paper focuses on the key role of the Library Association Medical Section in the professional development of medical librarians in the United Kingdom up to 1978 when it merged with the Library Association Hospital Libraries and Handicapped Readers Group to create the Medical, Health and Welfare Group. Uniting to form a stronger organization, under the ultimate designation of the Health Libraries Group, was part of an evolutionary process. The invention and promotion of co-operative schemes, networking and educational opportunities for members, the publication of specialized material and the fostering of international relationships during the first three-quarters of the century are illuminated by personal reminiscences from some of the major participants in the field.