1,025 research outputs found
Performance of two transferred modules in the Lagunera Region: Water relations
Water policy / Performance / Privatization / Irrigation systems / Operations / Maintenance / Irrigation efficiency / Water users' associations / Water rights / Water allocation / Water supply / Water distribution
Human resource practices and performance in small Spanish wineries, and their evolution with age and size
This research aims to cover the existing gap in knowledge regarding human resource management practices in winery businesses. Three of the most important practices in this field - recruitment and selection, training and development, and remuneration - and their relationship with performance in small family and non-family wineries as well as the differences in those businesses' behaviours according to their age and size were analysed. The analysis was based on a 2016 database containing 339 Spanish wine sector SMEs, and a multivariate Bayesian regression methodology was applied. The results demonstrate a lower level of human resource management practices in small family businesses and a stronger relationship with performance than in non-family businesses. The results also show that human resource management varies according to the age and size of the company, indicating an inverted U-shaped relationship with size. On the one hand, these results highlight the importance of human resource practices in the environment of a small winery. These practices have not usually been considered as drivers of performance in small family firms. On the other hand, the results can be useful for the managers of such firms, both in the wine industry and in general, as they highlight the human resource practices that could improve the performance of those entities. The paper contributes to filling the existing gap in the literature related to small family businesses.
Esta pesquisa visa cobrir a lacuna existente no conhecimento sobre práticas de gestão de recursos humanos em empresas vinícolas. Foram analisadas três das práticas mais importantes neste campo - recrutamento e seleção, treino e desenvolvimento, e remuneração - e sua relação com o desempenho em pequenas adegas, familiares e não familiares, bem como as diferenças no comportamento dessas empresas de acordo com a sua idade e a sua dimensão. A análise foi baseada num banco de dados de 2016 contendo 339 PME do setor vinícola espanhol, tendo sido aplicada a metodologia de regressão bayesiana multivariada. Os resultados demonstram um nível mais baixo de práticas de gestão de recursos humanos em pequenas empresas familiares e uma relação mais forte com o desempenho do que em empresas não familiares. Relatam também que a gestão de recursos humanos varia de acordo com a idade e a dimensão da empresa, encontrando uma relação em U invertido com a dimensão. Por um lado, estes resultados destacam a importância das práticas de recursos humanos no ambiente de uma pequena adega. Estas práticas não têm sido geralmente consideradas como motores de desempenho em pequenas empresas familiares. Por outro lado, os resultados podem ser úteis para os gerentes de tais empresas, tanto na indústria do vinho como na indústria em geral, pois destacam as práticas de recursos humanos que podem melhorar o desempenho dessas entidades. O artigo contribui para preencher a lacuna existente na literatura relativamente às pequenas empresas familiares
The competitive advantage in business, capabilities and strategy. What general performance factors are found in the Spanish wine industry?
The wine sector in Europe has undergone a major change of trend in recent years, especially in Spain. On the one hand, the surface area has been reduced, but the production has been maintained by restructurings and improvements made in exploitation techniques. On the other hand, consumption has diminished causing a significant increase in competition. The Spanish wine sector is formed mainly by small and medium-sized firm, which is representative of the size of existing companies in Europe. This article aims to analyze the relationships between the competitive strategy, resources and capabilities of the firms, analyzing their technological and managerial capabilities, with business performance. 339 companies of the wine sector in Spain have been studied, differentiating between individual firms, cooperatives and mercantile companies. The results reveal that resources and capabilities along with strategies define competitive advantage, but their relationship and importance is different for each type of company
¿Es posible llevar al aula los resultados de una investigación?
En este trabajo se presentan resultados de una investigación realizada sobre ideas previas de alumnos de licenciatura, relacionadas con el enlace químico. Estos resultados condujeron a la elaboración de un libro para docentes de bachillerato y licenciatura, que recoge los resultados de la investigación y aporta fundamentos teóricos y propuestas para promover el cambio conceptual, en el tema referido. Se describen algunas de las aportaciones más innovadoras, contenidas en el libro, para mejorar el aprendizaje del tema en bachillerato y licenciatura
Espondilitis tuberculosa no es una metástasis vertebral: diagnóstico diferencial y tratamiento quirúrgico. A propósito de un caso
Presentamos el caso de una paciente con dorsalgia y clínica neurológica de varios meses de evolución
que ante las pruebas de imagen fue erróneamente diagnosticada de metástasis vertebral sin confirmación previa
con biopsia. El deterioro progresivo neurológico y las nuevas pruebas de imagen confirmaron el diagnóstico de tuberculosis
vertebral. La paciente fue tratada mediante curetaje, desbridamiento, fusión intersomática y osteosíntesis anterior
además del tratamiento médico. Hubo una recuperación neurológica de la función sensitiva, motora y esfinteriana
prácticamente completa al mes de la intervención. Tras 20 meses de evolución la paciente está asintomática sin
evidencia de progresión de la enfermedadWe report a patient with back pain and neurological symptoms several months of evolution to the test
image was wrongly diagnosed with spinal metastases without prior confirmation with biopsy. The progressive deterioration
of neurological and new imaging confirmed the diagnosis of spinal tuberculosis. The patient was treated by
curettage, debridement, anterior interbody fusion and internal fixation in addition to medical treatment. There neurological
recovery of sensory function, motor and sphincter almost complete month after the intervention. After 20
months of evolution, the patient is asymptomatic without evidence of disease progressio
Development of machine learning system for airway prediction from facial image with mobile device
Goals: A reliable prognostic tool for a difficult airway (DA) may enhance patients’ safety during orotracheal intubation by decreasing
unanticipated DAs. We aim to examine the applicability of an Artificial Intelligence-Deep Learning (AI-DL) algorithm to measure airway’s anatomy, and to predict DA based on published models.
Materials and methods: Observational prospective cohort study with n=503 patients recruited at Galdakao-Usansolo and Basurto University Hospitals (Biscay, Spain) between 2018 and 2020. Two pre-operative photos for each patient were collected: a frontal view, in which patients were instructed to open their mouth completely; and a lateral view, with head in vertical ex tension.
Smartphones with general-purpose cameras were used, and a cue card was added to the scene as reference. Patients’ medical records were logged. After intubation, HAN score and IDS-ASA criteria for intubation difficulty [1] were collected.
Our anaesthesiology team defined a set of relevant orofacial landmarks, whereas our data-science team developed an AI-DL algorithm, trained to identify locate them automatically within the images. In a previous evaluation, the system achieved an accuracy comparable to the consensus of two human annotators [2]. Landmark positions output by the AI-DL method were subsequently used by the system to ex tract two anatomical measurements: thyromental distance and interincisor gap. Finally, these two were integrated into a published model for DA prognosis: Naguib et al. 2006 [3], which also employed patients’ height and Mallampati score.
Results and discussion: The estimated incidence of DA was 6.36% (32 out of 503 patients) according to the IDS-ASA criteria. Naguib’s
model, when used in combination with our automatic AI-DL based measurements, achieved 53.12% sensitivity and 79.83% specificity; compared to clinicians’ subjective assessment, who obtained 25.00% sensitivity and 93.63% specificity.
Conclusion(s): In this work, we evaluated an AI-DL method to predict DA for intubation, with two pre-operative photos and Naguib’s model. Our results complemented expert judgements’ predictive ability in terms of sensitivity, substantially lowering false negatives; at the expense of a restrained loss in specificity (false positives). Thus, our proposal may provide anaesthesiologists with an automatic, objective and accessible decision support tool for the prognosis of DAs
Association between olfactory dysfunction and mood disturbances with objective and subjective cognitive deficits in long-COVID
Background and purposeThe coronavirus disease 2019 (COVID-19) has been associated with olfactory dysfunction. The persistent symptoms of anosmia or hyposmia were associated in previous studies with the development of memory impairment and mood disturbances. We aimed to investigate the association between the chronicity of reported olfactory dysfunction and subjective and objective cognitive performance in long-COVID patients and to explore whether their emotional symptoms are related to their cognition.MethodsOne hundred twenty-eight long-COVID participants were recruited. Reported symptomatology, subjective memory complaints, anxiety and depression symptomatology, and trait-anxiety were assessed. Subjective memory complaints and mood disturbances were compared among groups of participants with olfactory dysfunction as an acute (AOD), persistent (POD), or nonexistent (NOD) symptom. Seventy-six of the volunteers also participated in a face-to-face session to assess their objective performance on tests of general cognitive function and verbal declarative memory. Objective cognitive performance and mood disturbances were compared among the AOD, POD, and NOD groups.ResultsThe subjective memory complaints and the anxiety and depression symptoms were similar among the groups, but the score in general cognitive function was lower in the participants with symptoms of acute olfactory dysfunction than in those with no olfactory symptoms at any time. Participants’ memory complaints were positively related to their emotional symptoms. The relationship between depressive symptomatology and memory complaints interacted with the olfactory dysfunction, as it only occurred in the participants without symptoms of olfactory dysfunction. Depressive symptomatology and acute olfactory symptoms were negatively associated with general cognitive function and delayed memory performance. The months elapsed from diagnosis to assessment also predicted delayed memory performance. Anxious symptomatology was negatively associated with the immediate ability to recall verbal information in participants who did not present olfactory dysfunction in the acute phase of the infection.ConclusionOlfactory dysfunction in the acute phase of the infection by COVID-19 is related to cognitive deficits in objective tests, and mood disturbances are associated with self-reported and objective memory. These findings may contribute to further understanding the neuropsychological and emotional aspects of long-COVID
First report of neocosmospora falciformis Causing Wilt and Root Rot of Muskmelon in Spain
‘Cantaloupe’ and ‘Piel de Sapo’ are melon (Cucumis melo L.) varieties cultivated in Spain. In 2018, during a pathogens survey in experimental fields of Valencia and Alicante provinces (southeast Spain), wilt and root rot of melon plants were detected in grafted and ungrafted plants. Disease incidence ranged from 10% (Alicante) to 45% (Valencia). Symptoms included yellowing and wilting of leaves, rotting at the stem base and upper root, and collapse of the entire plant. Samplings were conducted from severely decayed and dead plants. Fragments (0.5 to 1 cm) from rotted lower stems and roots were surface disinfected for 1 min in 1.5% NaOCl, washed twice with sterilized distilled water, and plated onto potato dextrose agar (PDA) with streptomycin sulfate (0.5 g/liter). Plates were incubated at 25°C in the dark for 3 to 5 days. Mycelia resembling Fusarium were isolated and characterized by morphological and molecular methods. Based on their adpressed beige mycelia, growth in concentric rings, and absence of sporodochia, colonies growing on PDA and Spezieller Nährstoffarmer agar were preliminary identified as belonging to the Fusarium solani species complex. On PDA, colonies were white-greyish to pale-cream growing in concentric rings with beige reverse after 6 days. No sporodochia were observed. Macroconidia were slender, falcate, hyaline, ..
Outstanding aspects on the use of spent FCC catalyst in binders
4 pages, 3 fiures, 7 tables.-- En: 1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009.-- Editors: F. A. López, F. Puertas, F. J. Alguacil and A. Guerrero.FCC is a waste material from petrochemical plants
which has interesting properties for preparing
binders. FCC is lightly grey in color, and white
FCC-portland cements with L*≥85 can be prepared.
FCC reactivity is enhanced by grinding and it is
attributed to pozzolanic reaction towards lime.
Stratlingite is the main hydrated product from
pozzolanic reaction, and CSH and CAH are also
formed. Reactivity of FCC is high, and low curing
temperature does not affect this contribution to
strength in hardened mixtures. Additionally, high
strength concrete can be easily prepared, and
compressive strength greater 100MPa can be
reached. Mixtures with low w/b ratio showed good
behaviour in carbonation tests.Authors thank to Ministerio de Ciencia y Tecnología
of Spain and FEDER the financial support of MAT
2001-2694 and BIA 2004-0052 projects.Peer reviewe
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