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OBJECTIVE The quality of documentation of signs and symptoms and validation of the diagnosis of irritable bowel syndrome (IBS) according to case definition criteria of Manning, Rome I and Rome II in an office setting has not been previously described. We sought to identify and validate cases of IBS based on the Manning, Rome I and Rome II diagnostic criteria in a rural practice setting. SETTI...

En el diseño de sistemas riego multisalidas es necesario calcular las pérdidas energía por fricción en tuberías y determinar diámetro más económico óptimo, para ello existen ecuaciones Manning, Hanzen & Williams Darcy Wesbach. De acuerdo con lo anterior objetivo este trabajo fue realizar un análisis físico matemático a rozamiento accesorios generar al menos una ecuación determinística basad...

In terms of the hydraulic effect plant flexibility, particular note is calculation formula that was proposed by Kouwen, which combines roughness riverbed with community parameter MEJ (including modulus elasticity). Kouwen’s method developed on basis laboratory experiments low vegetation (grasses). According to authors this work, can also be used evaluate resistance medium (shrubs) deforming und...