112,118 research outputs found
author-bios-SRD-19-0063.R1 – Supplemental material for The Network Structure of Police Misconduct
No full textSupplemental material, author-bios-SRD-19-0063.R1 for The Network Structure of Police Misconduct by George Wood, Daria Roithmayr and Andrew V. Papachristos in Socius</p
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Follow-up a lungo termine della linfangectasia multicistica peripielica renale (LMPR)
No full textRenal peripelvic multicystic lymphangiectasia is a benign disease characterized by multiple cysts arising from the lymphatic vessels of the renal sinus. Cysts, almost always bilateral, surround the profiles of the calices; the biggest cysts can compress pelvis or iuxtapielic ureter and it is difficult to differentiate RPML from hydronephrosis at the Ultrasound. Cysts are asymptomatic, the profiles of calices appear irregular with thin membrane separating each other, the cortical of the kidney is preserved: these are principle elements to distinguish RPML to hydronephrosis at the Ultrasound. Usually it is necessary to confirm the diagnosis at IVP and CT scan evaluation. From 1995 to March 2002, 10 cases of RPML with a long-term follow-up have been studied. IVP in 8 patients and CT scan in 2 have shown compression of the collecting system by multiple cysts. We followed the cases with periodic lab tests of kidney function, ultrasound, IVP, CT scan. In order to valuate the presence of "true obstruction", we tested in over-night urine EGF and MCP-1 as markers of urinary tract obstruction and subsequent renal damage. A valuable data regarding how to differentiate RPML from hydronephrosis at Ultrasound show that RPML does not modify renal function and cyst volume has not changed in the time. In long-term follow-up the prognosis of the RPML is not clear. Particolarly this renal sinus disease has not neoplastic degeneration and the effect of cysts on kidney function is unknown. RPML is an uncommon disease and it can be enclosed in the group of renal sinus pathologies. The absence of symptoms, the hystologic diagnosis, the unchanged dimensions of the cysts confirm the benign prognosis of RPML which does not need a close functional and morphologic monitoring in the long-term follow-up
Variations on the Author
No full text“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Improved Beerkan run methodology to assess water impact effects on infiltration and hydraulic properties of a loam soil under conventional- and no-tillage
No full textBeerkan infiltration experiments with three water pouring heights (low, L = 3 cm; intermediate, M = 100 cm; high, H = 200 cm) were performed on both a no-tilled (NT) and a conventionally tilled (CT) bare loam soil to determine the surface soil hydraulic properties by the BEST-steady algorithm. Saturated soil hydraulic conductivity, Ks, significantly and monotonically decreased from the L to the H runs (from 236 to 37 mm h‒1) and lower Ks values were detected under CT (163–23 mm h‒1) than NT (346–51 mm h‒1) for each water pouring height. For both soil management practices, the gravitational potential energy, Ep, of the water used for the infiltration runs, explained most of the variance in the mean Ks values. According to the fitted relationships, an increase of Ep from 50 to 3,327 J m‒2 determined a Ks decrease by a factor of 9.5 in the CT soil and 6.3 in the NT soil. The CT soil was 2.1 and 3.3 times less conductive than the NT soil with the lowest and the highest energy, respectively. The water retention scale parameter, hg, only varied between non-perturbing (L) and perturbing (M, H) runs because |hg| increased from 55 to 93–100 mm. Therefore, water impact can greatly influence hydrodynamic properties of the upper soil layer regardless of the management practice. The tested infiltration methodology looks promising to mimic effects of relatively high energy rainfall events and to determine the hydraulic properties of the exposed soil layer under different management practices
On-the-go acquisition of hyperspectral data on a durum wheat field - A methodological approach
No full textHyperspectral proximal sensors, operating in the Vis-NIR-SWIR ranges, are usually employed for static recording. The availability of data at a fine spatial resolution through on-the-go spectra collection would open new frontiers to this field of study, allowing in real time the acquisition of a huge amount of information related to plant response. In this paper we describe a methodological approach for analysing on-the-go hyperspectral data in order to delineate homogeneous zones in an agricultural field cropped with durum wheat. HS data were acquired in southern Italy at shooting stage of durum wheat. Spectral readings were recorded using a high resolution spectroradiometer, FieldSpec 4 (350-2500 nm). The sensor was mounted on a plot seeder. Collected data were subjected to pre-processing and then analysed through principal component analysis. Afterwards, retained factors were analyzed through block co-kriging to produce continuous maps. The method was very effective to disclose differences in the spectral response of the plants; however, the interpretation of the results in terms of agronomical behaviour of the wheat needs more survey and investigation
Allocazione ottimale delle risorse idriche
No full textL'opera, suddivisa in 2 volumi e 27 capitoli a cui hanno contribuito quasi 50 autori, è un completo e interessante trattato sui molteplici aspetti dell’irrigazione, in particolare: le complesse interazioni che intercorrono tra acqua-terreno-clima e pianta, che sono alla base per definire i fabbisogni e l’efficienza dell’acqua irrigua; sono illustrati i criteri di scelta dei diversi metodi irrigui, in continua evoluzione per la corretta distribuzione dell’acqua alle piante; si conclude con un lungo elenco di specie erbacee e arboree, le cui esigenze si collegano ai differenti cicli colturali, di cui vengono descritte le esigenze idriche, le variabili irrigue e i metodi irrigui più appropriati, sempre nell’ottica che il risparmio nel consumo dell’acqua è alla base di uno sviluppo sostenibile dell’agricoltura
Ripeness Prediction in Table Grape Cultivars by Using a Portable NIR Device
No full textIn the past years, near infrared (NIR) spectroscopy has been applied to the agricultural industry as a non-destructive tool to predict quality parameters, e.g., ripeness of fruit, dry matter content, and acidity. In two years, 2019 and 2020, berries of four table grape cultivars (Cotton Candy™, Summer Royal, Allison™, and Autumncrisp®) were collected during the season to obtain spectral measurements and quality data for developing predictive models based on NIR spectroscopy to be practically used in the vineyard. A SCiO™ sensor was used in 2019 for predicting the ripening parameters of Cotton Candy™; in particular, total soluble solids (TSS) (R2 = 0.95; RMSE = 0.60, RPD = 13.13), titratable acidity (R2 = 0.97; RMSE = 0.40, RPD = 7.31), and pH (R2 = 0.96; RMSE = 0.07, RPD = 26.06). With these promising results, in the year 2020, the above-mentioned table grape cultivars were all tested for TSS prediction with successful outcomes: Cotton Candy™ (R2 = 0.97; RMSE = 0.68, RPD = 7.48), Summer Royal (R2 = 0.96; RMSE = 0.83, RPD = 7.13), Allison™ (R2 = 0.97; RMSE = 0.72, RPD = 8.70) and Autumncrisp® (R2 = 0.96; RMSE = 0.60, RPD = 9.73). In conclusion, a rapid and economic sensor such as the SCiO™ device can enable a practical application in the vineyard to assess ripening (quality) parameters of table grapes. Thus, this device or similar ones can be also used for a fast sorting and screening of quality throughout the supply chain, from vineyard to cold storage
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