منابع مشابه
Computational Complexity Since 1980
The field of computational complexity is reaching what could be termed middle age, with over forty years having passed since the first papers defining the discipline. With this metaphor in mind, the early nineteeneighties represented the end of adolescence for the area, the time when it stopped wondering what it would be when it grew up. During the childhood period of the sixties, research cent...
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متن کاملRace and Independent Living among Elderly Brazilians Since 1980
S (English) MAUREEN BAKER, Department of Sociology,University of Auckland, Private Bag 92019,Auckland, New Zealand. Medically Assisted Conception: RevolutionizingFamily or Perpetuating a Nuclear and GenderedModel? New reproductive technologies have the potentialto radicalize family life, as they could blur kinshiplines, separate biological and social parenthood,and e...
متن کاملClimate trends and global crop production since 1980.
Efforts to anticipate how climate change will affect future food availability can benefit from understanding the impacts of changes to date. We found that in the cropping regions and growing seasons of most countries, with the important exception of the United States, temperature trends from 1980 to 2008 exceeded one standard deviation of historic year-to-year variability. Models that link yiel...
متن کاملEvolution of the industrial wage structure in China since 1980
Evolution of the Industrial Wage Structure in China Since 1980 Industry mean wages in China have exhibited sharply increased dispersion since the early 1990s. The upward trend in differences of average wages among major industry groups parallels increases in wage and income inequality not only between rural and urban sectors but within the urban economy as well. Research on the trend has focuse...
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ژورنال
عنوان ژورنال: Clinical Infectious Diseases
سال: 1998
ISSN: 1058-4838,1537-6591
DOI: 10.1093/clinids/27.5.1338a