مرور Volume 15, Issue 4 بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 6 از 6
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Optimization of sediment rating curve coefficients using evolutionary algorithms and unsupervised artificial neural network
(University of Guilan, 2017-12-01)Sediment rating curve (SRC) is a conventional and a common regression model in estimating suspended sediment load (SSL) of flow discharge. However, in most cases the data log-transformation in SRC models causing a bias ...
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Analysis of vitellogenin gene structure in Caspian roach, Rutilus caspicus (Pisces: Cyprinidae) during exposure to Atrazine
(University of Guilan, 2017-12-01)Chemical contamination of aquatic environments to EDCs has become a major focus of environmental toxicology research. The exposure of fishes to estrogenic EDCs in aquatic environments is most frequently assessed by analyzing ...
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Advanced oxidation processes against alkyl phenols in groundwater samples
(University of Guilan, 2017-12-01)Spectrophotometric examinations showed the presence of phenolic compounds in the organic residue collected from four groundwater resources located in vicinity of an oil refinery at the outskirt of Tehran. The average ...
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Sexual dimorphism and morphometric study of Caspian pond turtle, Mauremyscaspica, (Testudines: Geoemydidae) in Golestan Province, southeast of the Caspian Sea
(University of Guilan, 2017-12-01)The Caspian pond turtle, Mauremyscaspica, is a terrapin belonging to family Geoemydidae. Totally 130 specimens (67 males and 63 females) were collected manually and by net from different aquatic habitats in Golestan Province ...
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Impacts of extremely low-frequency electromagnetic fields (50-Hz) on growth performance and survival rate of common carp, Cyprinus carpio fingerlings
(University of Guilan, 2017-12-01)All organisms are probably exposed to different types of electromagnetic fields (EMFs). This study is an attempt to evaluate the effect of extremely low-frequency EMFs (50 Hz) on some growth parameters and survival rate ...
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Oak trees decline; a sign of climate variability impacts in the west of Iran
(University of Guilan, 2017-12-01)The Persian oak, Quercus brantii, trees in the Zagros region of Western Iran have been in decline since 2000. The decline is assumed to be highly connected with changes in meteorological parameters. Our objectives were to ...



