نتایج جستجو برای: in early 21st century
تعداد نتایج: 17072364 فیلتر نتایج به سال:
Intermittent disruptions to rainfall patterns and intensity over the Pacific Ocean lasting up to ∼ 1 year have major impacts on severe weather, agricultural production, ecosystems, and disease within the Pacific, and in many countries beyond. The frequency with which major disruptions to Pacific rainfall occur has been projected to increase over the 21st century, in response to global warming c...
United States is in the midst of an epidemic of obesity. Children and adults alike are increasing in girth at rapid rates. In the past four decades, the prevalence of childhood overweight, characterized by a body mass index greater than the norm for the 85th percentile, has risen by nearly 4-fold and continues to rise with each year (Ogden et al. 2002). Fifteen percent of children today are ove...
Immune (or idiopathic) thrombocytopenic purpura (ITP) is commonly encountered by the practicing hematologist. Clinical management decisions have traditionally been guided by individual training and past experience. Input from the literature has been more from observational reports of case series than from scientific results of hypothesis-driven research. Practice guidelines and several surveys ...
One of the curriculum goals of e-learning in school education is to develop learners for 21st century skills through their daily learning activities. This paper aims to discuss the research issues and policy implications critical for achieving such a curriculum goal. A review of literature in the related fields indicates that K-12 schools should take advantage of e-learning to maximize learning...
Innovation starts with people, making the human capital within the workforce decisive. In a fastchanging knowledge economy, 21st-century digital skills drive organizations' competitiveness and innovation capacity. Although such skills are seen as crucial, the digital aspect integrated with 21stcentury skills is not yet sufficiently defined. The main objectives of this study were to (1) examine ...
1755 it remains prudent to target lipid levels according to established guidelines. Of course, it also remains important to recommend increased exercise, healthy food choices, and portion control and to help manage weight in patients with prediabetes levels of glycemia or metabolic syndrome. Studies to define the risks of statin-induced diabetes and its underlying mechanisms are clearly necessa...
Abdominal wall abscess secondary to spontaneous cholecystocutaneous gallstone fistulation is an uncommon presentation of a rare pathological process. Having been described relatively frequently in the 19th century, it is now much less common in the late 20th and early 21st century, probably due to earlier recognition of symptoms, better imaging and surgical treatment of biliary tract disease. H...
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