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Assessing Stress Resilience After Smolt Transportation by Waterborne Cortisol and Feeding Behavior in a Commercial Atlantic Salmon (Salmo salar) Grow…
2022
Sampling protocols and water quality sensors have been developed to assess fish health and welfare in recirculating aquaculture systems (RASs). Still, the use of fish-based non-invasive welfare indicators, reflecting the physiological state of the fish, is limited in this type of system. Cortisol, the major stress-coping hormone in fish, diffuses through the gills. Consequently, waterborne cortisol is a potential fish-based non-invasive welfare indicator in RAS. However, its use in commercial rearing systems is sparse. In this study, we evaluated water cortisol levels and feeding behavior as welfare indicators of newly inserted smolt in a commercial RAS for harvest size Atlantic salmon. The…
Rompé tus barreras: Un análisis sobre el uso del coaching ontológico en la plataforma de entrenamiento de Nike en Buenos Aires
2020
In recent times, coaching has become relevant in heterogeneous discourses and practices in the economic, political and cultural fields of contemporary societies. Based on our ethnographic analysis of different training sessions on the Nike+ Run Club platform in Buenos Aires, in this article we study how ontological coaching operates in the field of sport and races. Then, we ask about how people who attend this platform appropriate coaching techniques to manage emotions, moods, and body effects according to the business entrepreneurship logic. Through this work, the ethnographic results are articulated with a reflection about the theory, practice, and values of the ontological coaching, wher…
Loudness Perceptions Influence Feelings of Interpersonal Closeness and Protect Against Detrimental Psychological Effects of Social Exclusion
2022
We propose that perceptions of auditory loudness and interpersonal closeness are bidirectionally related. Across 12 experiments (total N = 2,219; 10 preregistered; with Singaporean, British, U.S. American, and Australian participants), we demonstrated that louder audio made people feel physically (Study 1a) and socially (Study 1b) closer to others, presumably because loudness activates interpersonal closeness-related concepts implicitly (Studies 1c and 1d). This loudness–interpersonal closeness effect was observed across diverse samples (Studies 2a, 3a, and S1), for longer listening intervals (Study 2b), and in natural settings (Studies 3a and 3b). Conversely, individuals made to feel socia…
Parametrizētu algoritmu paātrinājumi kvantu datoram
2021
Darbā tiek aplūkots, kā uz kvantu datora iespējams paātrināt zināmus parametrizētus algoritmus problēmām “Closest string”, “Cluster vertex deletion”, “Cluster editing”, “Vertex cover” un “Longest path” problēmu risinājumiem, ka arī to uzlabošana kvantu datoram, izmantojot kvantu algoritmus meklēšanas koka apstaigāšanai un dinamiskai programmēšanai. Ir parādīts, kā izveidot kvantu algoritmus “Cluster vertex deletion” problēmas risinājumam ar laika sarežģītību 𝑂(1.7321^𝑘 * √𝑘 * 𝑛^3) un “Vertex cover” problēmai ar laiku 𝑂(1.175^𝑘 * 𝑘^𝑂(1) + 𝑛√𝑚), kas ir labāk, nekā labākajiem zināmajiem algoritmiem ar laiku 𝑂(1.9102^𝑘 * (𝑛 + 𝑚)) un 𝑂(1.2738^𝑘 + 𝑘𝑛), attiecīgi. Ka arī ir parād…
Flow-bed interactions analysis and application of automatic close range digital photogrammetric survey in a laboratory flume
2014
This paper reports on a laboratory study in which the automatic digital photogrammetric survey was applied to derive the high-resolution Digital Surface Model (DSM) of the bed topography, used for the flow-bed interactions analysis, in a large amplitude meandering laboratory flume. The analysis has been conducted with the aid of detailed data of three-dimensional flow field previously collected using the acoustic Doppler velocity profiler DOP2000. The applied surveying procedure has allowed the evaluation of the DSM with a resolution of ±0.5 mm. The detailed DSM has been compared with peculiar maps describing the flow velocity pattern (downstream and the crossstream flows) and the shear vel…
BIFOCAL PAIRS OF IMAGES FOR LOW-COST SURVEY IN CLOSE RANGE PHOTOGRAMMETRY
2019
Abstract. This paper present a method for close range photogrammetry based on an camera positioning scheme in which two cameras capture an equal portion of an object at the same scale, but have different focal lengths and camera-to-object distances. This scheme is alternative to the stereoscopic scheme and is associated with a system of equations which permits one to calculate first the relief displacement of points on a photograph and then their relief relative to a reference plane. The obtained relief and relief displacement values can be used to produce low-cost orthophotographs by using software for image processing, which doesn’t need to be dedicated, but has to provide measurement and…
SURVEY AND VIRTUAL RECONSTRUCTION OF ANCIENT ROMAN FLOORS IN AN ARCHAEOLOGICAL CONTEXT
2019
Abstract. Despite the consistent development of approaches aimed at the virtual reconstruction of whole houses or archaeological monuments, the variety of technologies involved in virtual reconstruction procedures and the complexity of a rigorous process to provide validation models, seems to limit a univocal and shared standards adoption. For example, compared to the large number of contributions on the virtual reconstruction of whole architectures or cultural heritage sites, only a few works have proposed a rigorous workflow specific to mosaics and ancient floors and to their virtual reconstruction. The goal of this work is to present the first results on the virtual reconstruction of the…
3D modelling of a historical building using close-range photogrammetry and remotely piloted aircraft system (RPAS)
2018
Abstract. The photogrammetric survey of architectural Cultural Heritage is a very useful and standard process in order to obtain accurate 3D data for the documentation and visualization of historical buildings. In particular, the integration of terrestrial close-range photogrammetry and Remotely Piloted Aircraft Systems (RPASs) photogrammetry allows to create accurate and reliable 3D models of buildings and to monitor their state of conservation. The use of RPASs has indeed become more popular in Cultural Heritage survey to measure and detect areas that cannot normally be covered using terrestrial photogrammetry or terrestrial laser scanner. The paper presents the results of a photogrammetr…
THE INTEGRATED 3D SURVEY for UNDERGROUND ARCHAEOLOGICAL ENVIRONMENT
2019
Abstract. The task of documentation and conservation of Cultural Heritage defines the challenges that geomatics techniques have to overtake in order to provide different solutions that combine the automation of processes with accurate results. The employment of integrated technologies allows improving the documentation of Cultural Heritage from a quantitative and qualitative point of view. The use of range and image-based techniques ensures the possibility to completely record articulated structures such as building with underground environments. The latter present often problematic survey conditions that imposed well planned and appropriate solutions. In this context, the paper presents th…
Una poética de las ruinas. Testimonio y alegoría de Aníbal Quijada
2009
El texto de Aníbal Quijada Cerco de púas ejemplifica la doble vinculación de los testimonios del exilio chileno. Por una parte, éstos debieron inscribirse en las estrategias internacionales de denuncia contra la dictadura militar y, por otra, la comunidad cultural latinoamericana hizo de los testimonios un elemento esencial para la redefinición del concepto mismo de lo literario. El testimonio de Quijada desarrolla, en ese contexto, unas estrategias narrativas y de representación que alejan su textura de la mayoría de los testimonios de la época.The text of Aníbal Quijada Cerco de púas, is a good example of the double filiation of the testimonies of Chilean exile. In one hand these testimon…