نتایج جستجو برای: over the last decade
تعداد نتایج: 16121014 فیلتر نتایج به سال:
Auctions offer potential cost-effectiveness improvements over other mechanisms for payments ecosystem services (PES) contract allocation. However, evidence-based guidance matching design to application is scarce and research priorities are unclear. To take stock of the current state art, we conducted a systematic review thematic content analysis 56 peer-reviewed journal articles discussing ES a...
Using natural language processing, we carried out a trend survey on Japanese natural language processing studies that have been done over the last ten years. We determined the changes in the number of papers published for each research organization and on each research area as well as the relationship between research organizations and research areas. This paper is useful for both recognizing t...
drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...
Soon after their discovery in the early 20th century, bacteriophages were recognized to have great potential as antimicrobial agents, a potential that has yet to be fully realized. The nascent field of phage therapy was adversely affected by inadequately controlled trials and the discovery of antibiotics. Although the study of phages as anti-infective agents slowed, phages played an important r...
Background and Aims: This study was the trends of Hepatitis B infection among Iranian blood donors which was analyzed in a period of 10 years. Materials and Methods: In a period of 10 years, from 2001 through 2010, a total of 16,264,830 donations from 30 regional and 35 local blood services were screened. All blood samples were tested for Hepatitis B surface antigen (HBs Ag) by commercial avail...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
Autism and autism spectrum disorders (ASDs) such as Rett syndrome and Asperger syndromeare enigmatic and complex neurodevelopmental disorders, thought to have originated inparticular interactions of genetic and environmental factors. Despite the extensive research,exact mechanism of pathogenesis is not still completely understood. ASDs are characterizedby deficits and abnormalities in communica...
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