Congenital ureteropelvic junction obstruction (UPJO) is the most common cause of upper urinary tract obstruction in children. It is generally diagnosed in the routine work-up during antenatal period and is characterized by spontaneous recovery. It can be associated with urolithiasis; hence further investigation should be carried out. We report the case of a 15-year-old boy, who is known to have...

UNESCO world heritage sites’ list is getting longer and longer. Many sites among them have attracted countless tourists each year. However, the lack of efficient systematic surveillance and monitoring methods let the evitable and inevitable impacts of tourism development happen unperceived. Our research focuses on an e-tourism system with heritage sites monitoring to explore the possibilities f...

En el present article es descriu ProuNIMBY una seqüència d’Aprenentatge Basat en Projectes (ABP) dissenyada per aplicar continguts curriculars de Física i Química Tecnologia a la sensibilització d’un problema social que també afecta dia l’institut: generació evitable residus. té propòsit d’utilitzar coneixements aplicar-los un context real provocar reflexió sobre com pot aconseguir canvi d’hàbi...

Batch distillation processes are widely used in chemical industry. In this work, we consider the optimization of such processes by simulated annealing. Although this method is stochastically in nature, it has two evitable advantages: it can be readily connected to highly sophisticated simulation codes and it converges towards a global optimum. According to the characteristics of batch distillat...

De acuerdo con los estimados de la Organización Mundial de la Salud (OMS), en 2010 más de 26 millones de personas sufrían de impedimento visual en la Región de las Américas, de ellas, más de 3 millones eran ciegas y 80,0% de estas tenían 50 años de edad o más; cerca de 80,0% de los casos corresponden a causas evitables y la catarata es la causa más frecuente (1). La OMS y la Agencia Internacion...

considering the importance of agriculture sector for production, employment and establishing food security, different countries include developed and developing ones, support mentioned sectors in various ways. present study investigates the effects on government support policies on iran's food security using vecm and time series data of 1990-2010. results revealed that government support p...