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Physical inactivity (and unhealthy nutrition) has distorted body composition and, in turn, reordered the proportions of myocyte and adipocyte insulin receptors. Insulin acting on adipocyte receptors produces less glucose uptake than does comparable interaction with myocyte receptors. Accordingly, in individuals with disproportionate muscle/fat composition, any given glucose load requires greater-than-normal pancreatic insulin secretion for adequate disposal. This hyperinsulinemia then becomes the leading cause of type 2 diabetes (T2DM) as insulin-sensitive tissues become desensitized. Because T2DM is rooted in potentially reversible lifestyle factors, rather than focusing on the intricacies of glucoregulation at the molecular level and on testing new drugs to control blood sugar, this article calls for a new prevention and treatment paradigm, in which exercise and weight control are essential and for which an inexpensive and acceptably accurate measure of body muscle and fat proportions is needed. 相似文献
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It is very difficult, if not impossible, to remove the last traces of hypo from photographic papers by any known procedure of washing. The sulfur in the residual hypo ultimately, and especially under abnormal conditions of temperature and humidity, combines with the silver image to form yellowish brown silver sulfide. This phenomenon is known as sulfiding or “fading” of the image. The various factors which affect the rate of fading of images and the washing out of hypo from films and papers are outlined.Chemical methods of hypo elimination have been proposed from time to time but the majority of these have not been satisfactory because they tend to leave substances such as thionates in the photographic material, which are equally as difficult to wash out as hypo and which also tend to sulfide or fade the silver image. A new hypo eliminator is recommended consisting of two volatile chemicals, hydrogen peroxide and ammonia. This eliminator oxidizes the hypo to sodium sulfate, which is inert and soluble in water, while any excess eliminator evaporates on drying.Two formulas and treatments are proposed: (1) Complete elimination of hypo for use by the professional, advanced amateur, and photofinisher who demand the highest standard of photographic quality in their prints.(2) Almost complete elimination of hypo (less than o.oi milligram per square inch).Since the conditions to which prints will be subjected are rarely known in advance, use of the “complete elimination treatment” is advised in all cases. 相似文献
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The staff members of an engineering school, perhaps more than those in any other group, are subject to continually changing technical responsibilities. The rate of change in the decades preceding 1950 was relatively slow, and new material was easily assimilated by competent individuals. In recent years, the increasing flow of new knowledge has presented a situation in which the effective instructor must be at the same time an ardent student. The danger of becoming obsolete is ever present. This paper attempts to analyze some of the problems which are presented to the senior staff members, to the middle-aged staff members, to the young men, and to the administrators. Some possible solutions to these problems are also presented. 相似文献
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Mark Eaton 《Journal of Web Librarianship》2017,11(1):69-78
Visualizations can add value to raw library data. Tools that programmatically make such visualizations interactive can further increase the value of these data by giving librarians visual tools to analyze their datasets. To demonstrate these benefits, Kingsborough Community College Library built SeeCollections (http://b7jl.org/seecollections), a Web application that visualizes the libraries’ collections of books and e-books. This article discusses the how SeeCollections gathers data from Kingsborough's discovery layer API (Application Programming Interface) and transforms these data to create visualizations for the Web. SeeCollections is a lightweight, proof-of-concept data application based on a vendor API. API data are often accessible in academic libraries but are frequently underutilized. SeeCollections was built to demonstrate the immediate value of these API data sources to Kingsborough librarians by providing a visual interface to discovery layer data. Keeping in mind the broader literature on data visualization, this article will explore how SeeCollections was built. 相似文献
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This is the second part of a review of research on higher education since World War II. Fart I, published in the previous issue of this Journal, examined how research responded to post‐war reconstruction of the later 1940s and the rising community expectations for education of the 1950s and 1960s. In Part II the themes are equality of opportunity and the end of expansion. By the mid‐1960s many researchers were questioning the representativeness of participation in higher education and the nature of the education process. More recently some of the research questions have been reminiscent of the late 1940s, that is, how can the efficiency of higher education be improved. Whereas expansion and optimism characterised the first thirty post‐war years however, the context is now one of reduced resources and some pessimism. 相似文献
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AbstractThis article examines the ACPA/NASPA Competencies as functional protocol of the neoliberal state. Described as ‘not a checklist’, Competencies structure rubrics, conferences, jobs, and performance as static, indicative of a power/knowledge rooted in protocol. We utilize post qualitative thinking, specifically poetics, to create a series of experimentations (in)tension with Competencies. This micropolitical practice disrupts protocol, opening imaginative space for subversion, movement, and becoming?~?professional. 相似文献
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Allyn Fives Dan Russell Norean Kearns Rena Lyons Patricia Eaton John Canavan Carmel Devaney Aoife O'Brien 《Journal of Research in Reading》2014,37(2):215-232
This paper investigates whether children's academic self‐beliefs are associated with reading achievement and whether the relationship is modified by gender and/or age. Data were collected from children at risk of reading failure, that is, emergent readers (6‐ to 8‐year‐olds) in socioeconomically disadvantaged areas reading at a level below the population mean. The authors' own measure of attitude to reading and perceived competence was used. The study found a significant positive association between attitude to reading in class and vocabulary and phonemic awareness and a significant negative association between perceived competence at reading in class and single‐word reading and spelling. Girls' attitude to reading and perceived competence were more positively associated with reading achievement, and this was most evident in the first grade. Perceived competence was inflated among those with the poorest reading and also among boys, in association with reading‐related skills found most challenging by children in this sample. 相似文献