نتایج جستجو برای: during the recent years
تعداد نتایج: 16343232 فیلتر نتایج به سال:
Interactions between rainfall, deforestation and fires during recent years in the Brazilian Amazonia
Understanding the interplay between climate and land-use dynamics is a fundamental concern for assessing the vulnerability of Amazonia to climate change. In this study, we analyse satellite-derived monthly and annual time series of rainfall, fires and deforestation to explicitly quantify the seasonal patterns and relationships between these three variables, with a particular focus on the Amazon...
BACKGROUND To establish effective preventive measures for hepatitis A virus (HAV) infection, a nationwide epidemiologic study on seroprevalence of anti-HAV and the disease prevalence is needed. The aim of this study was to analyze the recent sero-epidemiological changes of hepatitis A markers in Korea. METHODS The results of 11,068 anti-HAV total and 32,360 anti-HAV IgM tests by electro-chemi...
The Snow trout, Schizothorax zarudnyi Nikolskii, 1897 belongs to Cyprinidae family, endemic to Hamoun Lake, Sistan, Iran. Female fish mature at 4 years old, a few at 3 years old, and male fish at 3 years old, and live in the rivers and lagoons of Hamoon (stagnant waters) and spawn in the same place. Natural fish populations have declined during the last several years because of environmental de...
Abstract Background and purpose: Nowadays, tuberculosis (TB) is still growing as one of the biggest human killers in all ancient years, in spite of there are effective drugs and diagnostic tools. In recent years, the incidence rate of this disease has increased. This study was conducted to evaluate the epidemiologic status of Pulmonary Tuberculosis and its associated risk factors in Qom prov...
During recent years, many advanced oxidation techniques have been investigated for water and wastewater treatment to overcome the shortage of clean water. This review summarizes the background and principles of photocatalysis applied as an advanced oxidation technology. In particular, this paper focuses on modification of photocatalysts with various dopants as well as the novel photocatalytic r...
for years, the role of cerebellum was believed to be limited to motor functions. only since almost two decades ago, a new concept about cerebellum and its contribution to non-motor functions including cognition and emotion started to emerged. during the recent years, numerous studies have focused on the cerebellar non-motor functions with their results providing supportive evidence on this view...
anterior cruciate ligament (acl) reconstruction surgery has significantly evolved in recent years. this has led to development of new technologies that facilitate the diagnosis of acl injury and the application of state of the art methods for treatment. in particular, individualized anatomical acl reconstruction aims to restore native acl function. treatment is tailored to each patient based on...
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