@article { author = {Afzalian, Alireza and Ahadian, Javad}, title = {Piano Key Weirs with Positive Parapet Wall}, journal = {Water and Soil Science}, volume = {25}, number = {شماره 4 بخش 2}, pages = {97-107}, year = {2016}, publisher = {University of Tabriz}, issn = {2008-5133}, eissn = {2717-3755}, doi = {}, abstract = {}, keywords = {Angled parapet wall,Increase of water level,labyrinth weirs,Ogee weirs,piano key weirs}, title_fa = {سرریزهای کلید پیانویی با دیوار پاراپت مثبت}, abstract_fa = {}, keywords_fa = {افزایش سطح آب,سرریزهای PKW,سرریزهای اوجی,سرریزهای زیگزاگی,زاویه‌‌ی دیوار پاراپت}, url = {https://water-soil.tabrizu.ac.ir/article_4630.html}, eprint = {https://water-soil.tabrizu.ac.ir/article_4630_94c379821ad62d2f09c018efc16ae3d1.pdf} }