نتایج جستجو برای: marine environment
تعداد نتایج: 600967 فیلتر نتایج به سال:
this research concentrates on the lithostratigraphy, biostratigraphy, microfacies and sedimentary environment of the asmari and gachsaran formations at southwest firuzabad. the thickness of the studied section in all 608.95 meters that 220.8 meters belong to the asmari formation and 387.95 meters belong to the gachsaran formation (champe and mol members). in the study area, the asmari formation...
Ships transport about 80 percent of world trade and transfer approximately three to five billion tons of ballast water internationally every year. Due to the likely presence of pollutants, the ballast water discharged by ships can have negative effects on aquatic ecosystems. This study was conducted on 10 ships that entered the Bushehr port to determine the effectiveness of the ballast water ex...
In order to detect targets upon sea surface or near it, marine radars should be capable of distinguishing signals of target reflections from the sea clutter. Our proposed method in this paper relates to detection of dissimilar marine targets in an inhomogeneous environment with clutter and non-stationary noises, and is based on adaptive thresholding determination methods. The variance and t...
Marine environment has unique diversity. More than half of biodiversity lives at sea and oceans. Promotion of science and technology led to the future accession to marine species and study them and finally using marine product in human life. Using marine product for treatment of human malady is one of the most attractive applications of this component. Since cancer is the second mortality agent...
Due to the closed nature of the Persian Gulf, the transit of oil tankers and excessive utilization of the global standard, the environmental situation of the gulf has been endangered. It is necessary to promulgate the sea-based culture and marine economy and include their policies in the legislations of all eight countries of the Persian Gulf in order to achieve the sustainable development rega...
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