نتایج جستجو برای: cities all around the world
تعداد نتایج: 16132705 فیلتر نتایج به سال:
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
Urbanization continues to be a transformative process globally, affecting ecosystem integrity and the health and well being of people around the world. Although cities tend to be centers for both the production and consumption of goods and services that degrade natural environments, there is also evidence that urban ecosystems can play a positive role in sustainability efforts. Despite the fact...
Medical News A mistaken interpretation of data relating alcohol to mortality Epidemiology of alcoholic liver disease in Denmark 2006–2011: A population-based study WineHealth 2015 The pattern of alcohol consumption and risk of cirrhosis Ethnic differences in presentation and severity of alcoholic liver disease Worsening of health and a cessation or reduction in alcohol consumption to special oc...
Mysterious disease devastates pacific Coast of Central America A mysterious epidemic has killed more than 24 000 people in El Salvador and Nicaragua since 2000 and stricken thousands of others with chronic kidney disease at rates unseen almost anywhere else. Some suggest that agricultural chemicals are the cause, but others contend that the grueling nature of the work and dehydration are to bla...
There have been several global epidemics of chronic kidney disease of unknown etiology (CKDu). Some, such as Itai-Itai disease in Japan and Balkan endemic nephropathy, have been explained, whereas the etiology of others remains unclear. In countries such as Sri Lanka, El Salvador, Nicaragua, and India, CKDu is a major public health problem and causes significant morbidity and mortality. Despite...
the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...
June 10, 2016 Abstract Research on corporate innovation often focuses on firms with positive US patent activity and reported R&D, thereby excluding over 90% of the firms in Compustat. By exploiting data from 30 global patent offices, we investigate the nature of missing innovation data in the US and around the world. We find systematic and predictable patterns across firms and countries for mis...
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