Evolució de la valoració cadastral en edificis residencials afectats pel risc de lliscaments. Aplicació a la província de Castelló

[ES] El objetivo es valorar los edificios residenciales que quedan afectados por el riesgo de deslizamiento entre dos años concretos y así conocer su evolución en el tiempo. Se parte de la superficie total construida que queda incluida dentro de las áreas de deslizamiento definidas por un estudio previo en la Comunidad Valenciana. El valor de la superficie construida se obtiene mediante cálculo dasimétrico (desagregación de un total según una cierta variable auxiliar de reparto) a partir del valor inmobiliario total de un recinto administrativo determinado (municipio) y el reparto proporcional según la superficie total construida para cada edificio residencial (variable auxiliar de reparto). Como resultado, se puede conocer los municipios que han incrementado su valor de riesgo por realizar edificaciones y analizar sus causas[EN] The objective is to assess the residential buildings that are affected by the risk of landslide between two specific years and thus know its evolution over time. It is based on the total built area that is included within the landslide areas defined by a previous study in the Valencian Community. The value of the built area is obtained by means of a dasimetric calculation (disaggregation of a total according to a certain auxiliary distribution variable) from the total real estate value of a given administrative precinct (municipality) and the proportional distribution according to the total built area for each building. residential (auxiliary distribution variable). As a result, it is possible to know the municipalities that have increased their risk value by carrying out buildings and analyze their causes.Blanchetti Revelli, D. (2023). Evolución de la valoración catastral en edificios residenciales afectados por el riesgo de deslizamientos. Aplicación a la provincia de Castellón. Universitat Politècnica de València. http://hdl.handle.net/10251/19611

Experimental Analysis of Effect of Canal Geometry and Water Levels on Rotary Hydrostatic Pressure Machine

A rotary hydrostatic pressure machine (RHPM) is a hydropower converter for very low head applications (less than 2.5 m). An RHPM can be installed in straight canals, because its wheel can generate a hydraulic head, as a result of the created dam effect. Some new experimental results on an RHPM are presented in this paper. Because of the asymmetric shape of the wheel, the effects of the canal width and the lateral position of the wheel inside the canal have been studied. The water entrance process has been found to be very sensitive to the presence of the canal walls: the results pertaining to the side of the wheel where the blades touch the water first show that the minimum distance between the canal wall and the side of the wheel should be 0.3 times the width of the wheel in order to maintain an optimal wheel performance. Upstream and downstream water level variations have also been studied. Higher upstream water levels than the water levels adopted in previous studies (coincident with the upper edge of the hub) can lead to benefits. The results shown in this manuscript may be useful for practical applications in order to understand the optimal position of an RHPM inside a canal, the minimum canal width and the optimal water levels

Regional policies for innovation: the case of technology districts in Italy

<p>Regional policies for innovation: the case of technology districts in Italy. <i>Regional Studies</i>. This paper studies a policy tool implemented in Italy in the last decade to foster local innovation activity called technology districts. First, it examines the characteristics of technology districts and those of the firms within them. Next, it assesses the performance of district firms. The South of Italy has more technology districts, but they are small, poorly sectorially diversified and far from the economic structure of the area. Firms that did join a district had previously been, on average, larger, more innovative and profitable, and show also higher leverage than the others. After the institution of a district the performance of the firms that joined it did not differ significantly from that of similar firms that did not.</p

Incidental physiological sliding hiatal hernia: a single center comparison study between CT with water enema and CT colonography

Purpose Hiatal hernia is a well-known factor impacting on most mechanisms underlying gastroesophageal reflux, related with the risk of developing complications such as erosive esophagitis, Barrett\u2019s esophagus and ultimately, esophageal adenocarcinoma. It is our firm opinion that an erroneous reporting of hiatal hernia in CT exams performed with colonic distention may trigger a consecutive diagnostic process that is not only unnecessary, inducing a unmotivated anxiety in the patient, but also expensive and time-consuming for both the patient and the healthcare system. The purposes of our study were to determine whether colonic distention at CT with water enema and CT colonography can induce small sliding hiatal hernias and to detect whether hiatal hernias size modifications could be considered significant for both water and gas distention techniques. Methods We retrospectively evaluated 400 consecutive patients, 200 undergoing CT-WE and 200 undergoing CTC, including 59 subjects who also underwent a routine abdominal CT evaluation on a different time, used as internal control, while a separate group of 200 consecutive patients who underwent abdominal CT evaluation was used as external control. Two abdominal radiologists assessed the CT exams for the presence of a sliding hiatal hernia, grading the size as small, moderate, or large; the internal control groups were directly compared with the corresponding CT-WE or CTC study looking for a change in hernia size. We used the Student\u2019s t test applying a size-specific correction factor, in order to account for the effect of colonic distention: these \u201ccorrected\u201d values were then individually compared with the external control group. Results A sliding hiatal hernia was present in 51 % (102/200) of the CT-WE patients and in 48.5 % (97/200) of the CTC patients. Internal control CT of the 31 patients with a hernia at CT-WE showed resolution of the hernia in 58.1 % (18/31) of patients, including 76.5 % (13/17) and 45.5 % (5/11) of small and moderate hernias. Comparison CT of the 28 patients with a hiatal hernia at CTC showed the absence of the hernia in 57.1 % (16/28) patients, including 68.8 % (11/16) and 50 % (5/10) of small and moderate hernias. The prevalence of sliding hiatal hernias in the external control group was 22 % (44/200), significantly lower than the CT-WE and CTC cohorts\u2019 prevalence of 51 % (p &lt; 0.0001) and 48.5 % (p &lt; 0.0001). After applying the correction factors for the CT-WE and the CTC groups, the estimated residual prevalences (16 and 18.5 %, respectively) were much closer to that of the external control patients (p = 0.160 for CT-WE and p = 0.455 for CTC). Conclusions We believe that incidental findings at CT-WE and CTC should be considered according to the clinical background, and that small sliding hiatal hernias should not be reported in patients with symptoms not related to reflux disease undergoing CT-WE or CTC: When encountering these findings, accurate anamnesis and review of medical history looking for GERD-related symptoms are essential, in order to address these patients to a correct diagnostic iter, taking advantage from more appropriate techniques such as endoscopy or functional techniques

Comparison of computed tomography and magnetic resonance imaging in the discrimination of intraperitoneal and extraperitoneal rectal cancer: initial experience

To compare computed tomography (CT) and magnetic resonance imaging (MRI) in evaluation of intraperitoneal/extraperitoneal location of rectal cancers