نتایج جستجو برای: over the past few decades
تعداد نتایج: 16132890 فیلتر نتایج به سال:
Plastic scintillation dosimeters (PSD) have been a topic of a keen research interest for the past 20 years. Numerous PSD systems have been proposed, most times differentiating from the previous by a slight change in one or more components, such as the photodetector. However, a few major technological and engineering innovations have also been made. Over the past few years PSDs have been evaluat...
Many studies measure self-regulated learning in some fields but still a few the education field or related fields. This study aimed to analyze performance analysis and science mapping research trend over past three decades. Therefore, it was conducted using bibliometric method on 2106 documents published period 1990-2022 from Scopus database. Those are limited final stage, English, journal sour...
As the largest artificial ecosystem on Earth, croplands not only secure basic living materials for people but also provide ecological service values human society. For croplands, services have proven to be of great value and are closely linked activities climate change. However, spatiotemporal patterns cropland their drivers still need further assessed quantitatively. In this study, we provided...
The objective of this study is to understand how Cuba responds extreme weather events, which can help identify and disseminate good public health practice. design an observational using routinely collected mortality data. National daily counts after severe hurricanes arrived on the landmass since 1990 were compared with baseline values. Incidence rate ratios during hurricane for four weeks afte...
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