NUMERICAL SIMULATION OF THE INFLUENCE OF A FILLET AND A BULB ON THE SECONDARY FLOW IN A COMPRESSOR CASCADE



Evaluation of Occurrence and Health Risk of Organochlorine Pesticides in Sediments of the Department of Bolivar, Colombia

Organochlorine pesticides such Hair Oil as Dichlorodiphenyltrichloroethane (DDT) and hexachlorocyclohexane (HCH) were widely used in agriculture and vector disease control worldwide.Despite its ban in production and application since the 1970s in many countries, its residues in water, air and soil have been reported.Organochlorine pesticides have b

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Do major roads reduce gene flow in urban bird populations?

Although the negative effects of roads on the genetics of animal populations have been extensively reported, the question of whether roads reduce gene flow in volant, urban bird populations has so far not been addressed.In this study, we assess whether highways decreased gene flow and genetic variation in a small passerine bird, the tree sparrow (P

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