全文获取类型
| 收费全文 | 73篇 |
| 免费 | 1篇 |
专业分类
| 教育 | 22篇 |
| 科学研究 | 6篇 |
| 体育 | 9篇 |
| 信息传播 | 37篇 |
出版年
| 2021年 | 1篇 |
| 2020年 | 2篇 |
| 2019年 | 4篇 |
| 2018年 | 4篇 |
| 2017年 | 1篇 |
| 2015年 | 1篇 |
| 2014年 | 1篇 |
| 2013年 | 13篇 |
| 2012年 | 2篇 |
| 2009年 | 1篇 |
| 2008年 | 1篇 |
| 2007年 | 1篇 |
| 2006年 | 1篇 |
| 2004年 | 3篇 |
| 2001年 | 1篇 |
| 2000年 | 2篇 |
| 1999年 | 5篇 |
| 1998年 | 6篇 |
| 1997年 | 4篇 |
| 1996年 | 4篇 |
| 1995年 | 2篇 |
| 1994年 | 4篇 |
| 1993年 | 2篇 |
| 1981年 | 1篇 |
| 1962年 | 1篇 |
| 1959年 | 1篇 |
| 1958年 | 1篇 |
| 1938年 | 1篇 |
| 1866年 | 1篇 |
| 1860年 | 1篇 |
| 1857年 | 1篇 |
排序方式： 共有74条查询结果，搜索用时 250 毫秒
11.
Fabrice Tranchida Léopold Tchiakpe Zo Rakotoniaina Valérie Deyris Olivier Ravion Abel Hiol 《Journal of Zhejiang University. Science. B》2012,13(4):307-317
As the consumption of fructose and saturated fatty acids (FAs) has greatly increased in western diets and is linked with an increased risk of metabolic syndrome, the aim of this study was to investigate the effects of a moderate (10 weeks) and a prolonged (30 weeks) high fructose and saturated fatty acid (HFS) diet on plasma FA composition in rats. The effects of a few weeks of HFS diet had already been described, but in this paper we tried to establish whether these effects persist or if they are modified after 10 or 30 weeks. We hypothesized that the plasma FA profile would be altered between 10 and 30 weeks of the HFS diet. Rats fed with either the HFS or a standard diet were tested after 10 weeks and again after 30 weeks. After 10 weeks of feeding, HFS-fed rats developed the metabolic syndrome, as manifested by an increase in fasting insulinemia, total cholesterol and triglyceride levels, as well as by impaired glucose tolerance. Furthermore, the plasma FA profile of the HFS group showed higher proportions of monounsaturated FAs like palmitoleic acid [16:1(n-7)] and oleic acid [18:1(n-9)], whereas the proportions of some polyunsaturated n-6 FAs, such as linoleic acid [18:2(n-6)] and arachidonic acid [20:4(n-6)], were lower than those in the control group. After 30 weeks of the HFS diet, we observed changes mainly in the levels of 16:1(n-7) (decreased) and 20:4(n-6) (increased). Together, our results suggest that an HFS diet could lead to an adaptive response of the plasma FA profile over time, in association with the development of the metabolic syndrome. 相似文献
12.
Robert Trager Donna L. Dickerson William Ruckelshaus Elie Abel Richard Olin Berner 《Communication Booknotes Quarterly》2013,44(7):76-77
Information Hotline, “Special Copyright Issue, (November 1976)“ (Science Associates/International, Inc., 1841 Broadway, New York 10023—$8.50, paper, with a discount scale for bulk purchase) Copyright Revision Act of 1976: Law, Explanation, Committee Reports (Commerce Clearing House, Inc., 4025 West Peterson Ave., Chicago, Ill. 60646—$12.50, paper) Media Law Reporter has come to light since the brief note in the January issue (see 8:52) Robert Trager and Donna L. Dickerson's College Student Press Law (NCCPA Publications, School of Journalism, Ohio University, Athens, Ohio 45701—$5.00, paper) William Ruckelshaus and Elie Abel, eds. Freedom of the Press (Washington: American Enterprise Institute for Public Policy Research, 1976—$2.50, paper) Richard Olin Berner's Constraints on the Regulatory Process: A Case Study of Regulation of Cable Television (Cambridge, Mass.: Ballinger Publishing Co., 1976—price not given, but about $15.00) 相似文献
13.
R. Ann Abel 《Educational research; a review for teachers and all concerned with progress in education》2013,55(2):110-120
This paper reports an investigation into the attitudes of 200 mixed secondary pupils from both rural and urban schools towards programmed instruction as a teaching method and towards geography, as a subject studied in this way. Pupils in their second year in each school were divided into experimental and control groups matched on the basis of achievement, verbal and quantitative aptitude tests. The attitudes of both groups towards geography and programmed instruction were pre‐tested by questionnaire. The groups then underwent two different learning sessions for three weeks. Despite more positive attitudes shown initially by the control group to both geography and programmed learning, the experimental group later performed better and showed more favourable attitudes towards map reading than those taught by conventional texts, this being even more so for boys. Reasons for the results and certain features of the study are discussed. 相似文献
14.
R. Ann Abel 《Educational research; a review for teachers and all concerned with progress in education》2013,55(2):140-147
Matched groups of pupils from consecutive intakes of a recently opened boys’ grammar school were compared as to academic performance at GCE ‘O’ level and as to attitude to school, while the school, which began by being rigidly streamed, was gradually being unstreamed. The main conclusion has been that significantly more boys have done well at GCE ‘O’ level (gaining five or more passes) as a result of less streaming but slightly at the expense of the brightest pupils, not as to the number of passes these boys have obtained but as to the quality of those passes. There has also been social gain under conditions of less streaming: the behaviour of the boys has improved in general, although the overall attitude to school, as measured by analysis of questionnaires, has not altered. 相似文献
15.
16.
17.
18.
19.
The following analysis of how the FCC has used its recently granted (1960) power to levy fines and forfeitures is a companion piece to the authors’ “Station License Revocations and Denials of Renewal, 1934–1969,” which was published in the Journal of Broadcasting, X1V:4:411 (Fall 1970). Charles Clift is assistant professor in the School of Radio‐Television of Ohio University; Fredric Weiss is lecturer in the Division of Radio‐TV‐Film of the Department of Speech and Dramatic Art of the University of Maryland; and John Able is assistant professor in the Department of Television and Radio of Michigan State University. 相似文献
20.