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Tytuł:
Mental health of Filipino seafarers: the contributory factors and the strategies applied onboard ship
Autorzy:
Sarinas, B. G. S.
Botante, J. D. D.
Nacion, J. S.
Bernas, M. L. B.
Rodriguez, O.
Powiązania:
https://bibliotekanauki.pl/articles/2172470.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
mental health
seafarers
Filipino
onboard test
stress fatigue
seafarers problems
Opis:
Mental health is equally important with physical health. Many reports found out that poor mental health is one of the major factors of depression among seafarers. This study ascertains the factors affecting mental health and the strategies applied by Filipino seafarers to combat these issues. A survey was used as a research design. A total of 100 seafarers taken through convenience and snowball sampling answered the validated researcher-made questionnaire. The questionnaire was sent in the JBLFMU Alumni Portal, messenger, and Gmail. Frequency, percentage, and rank were used. Themes were used to classify the strategies applied by seafarers to counteract mental health issues onboard ship. The results revealed that the major contributory factor affecting the mental health of Filipino seafarers is stress, while they believed that a positive outlook in life makes one’s self free from mental health problems onboard. The top three factors are stress, fatigue, and separation from families and friends. The top three strategies to counteract factors that affect seafarers’ mental health onboard ship are staying positive, socializing with crewmates, and communicating with family.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2022, 16, 1; 125--134
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of the soil water content on Jatropha seedlings in a tropical climate
Autorzy:
Perez-Vazquez, A.
Hernandez-Salinas, G.
Avila-Resendiz, C.
Valdes-Rodriguez, O.A.
Gallardo-Lopez, F.
Garcia-Perez, E.
Ruiz-Rosado, O.
Powiązania:
https://bibliotekanauki.pl/articles/25415.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Opis:
The purpose of this study was to evaluate growth, chlorophyll content, and photosynthesis in Jatropha at different levels of soil moisture. Plants were cultivated in containers and the treatments of the soil water content evaluated were: 0% (without watering), 20, 40, 60, and 80% soil water content. Plant height was statistically similar for all treatments, but the number of leaves differed significantly. Total dry matter and chlorophyll at 40, 60, and 80% soil water content were statistically similar, but different from 0 and 20% soil water content. Leaf area at 40, 60, and 80% soil water content was statistically different from 0 and 20% soil water content. The photosynthetic rate, transpiration and stomatal conductance at 60 and 80% soil water content were statistically similar but different from 0 and 20% soil water content. Water stress affected growth, chlorophyll content, photosynthetic rate, transpiration, and stomatal conductance.
Źródło:
International Agrophysics; 2013, 27, 3
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Voces hispánicas sobre la relación entre ensayismo y modernidad
Autorzy:
Rosales Rodríguez, Amán
Powiązania:
https://bibliotekanauki.pl/articles/571934.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Warszawski. Wydział Neofilologii
Tematy:
modernity
essay
E. Martínez Estrada
M. Picón Salas
O. Paz
B. Matamoro
Opis:
Celem pracy jest omówienie natury eseju jako gatunku literackiego. Autor prezentuje ważne opinie pisarzy, przede wszystkim hiszpańskich i iberoamerykańskich (eseistów, powieściopisarzy i poetów, jak na przykład E. Martínez Estrada, M. Picón Salas, O. Paz i B. Matamoro). Z drugiej strony autor odnosi owe opinie do szerszego problemu: eseistyki jako wyrazu kultury i nowoczesności. Opierając się na ważnych współczesnych intelektualistach i filozofach, takich jak P. Cerezo, F. Jarauta i P. Aullón de Haro, autor podkreśla ścisły związek między formą eseju i złożonymi, sprzecznymi celami i treściami, które stanowią ducha nowoczesności.
Źródło:
Acta Philologica; 2014, 45; 209-218
0065-1524
Pojawia się w:
Acta Philologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Kinetic cooperativity of tyrosinase. A general mechanism
Autorzy:
Muñoz-Muñoz, Jose
Garcia-Molina, Francisco
Varon, Ramón
Tudela, Jose
Garcia-Cánovas, Francisco
Rodríguez-López, Jose
Powiązania:
https://bibliotekanauki.pl/articles/1039877.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
o-diphenols
tyrosinase
Opis:
Tyrosinase shows kinetic cooperativity in its action on o-diphenols, but not when it acts on monophenols, confirming that the slow step is the hydroxylation of monophenols to o-diphenols. This model can be generalised to a wide range of substrates; for example, type SA substrates, which give rise to a stable product as the o-quinone evolves by means of a first or pseudo first order reaction (α-methyl dopa, dopa methyl ester, dopamine, 3,4-dihydroxyphenylpropionic acid, 3,4-dihydroxyphenylacetic acid, α-methyl-tyrosine, tyrosine methyl ester, tyramine, 4-hydroxyphenylpropionic acid and 4-hydroxyphenylacetic acid), type SB substrates, which include those whose o-quinone evolves with no clear stoichiometry (catechol, 4-methylcatechol, phenol and p-cresol) and, lastly, type SC substrates, which give rise to stable o-quinones (4-tert-butylcatechol/4-tert-butylphenol).
Źródło:
Acta Biochimica Polonica; 2011, 58, 3; 303-311
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stability of Bilayer Superconductors against Thermomagnetic Avalanche
Autorzy:
Vasiliev, S.
Chumak, O.
Chabanenko, V.
Pérez-Rodríguez, F.
Nabiałek, A.
Powiązania:
https://bibliotekanauki.pl/articles/1374778.pdf
Data publikacji:
2014-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
74.25.Op
74.72.-h
74.25.Sv
Opis:
The problem of stability of bilayer type II superconductor with different critical current densities of inner part and coating was considered. The optimum thickness of surface layer enabling the maximal increase of the field of first flux jump was found. The field of instability for such bilayer structure was calculated for NbTi superconductor. An increase of the field of the first flux jump by about 60% has been found for optimal coating thickness.
Źródło:
Acta Physica Polonica A; 2014, 126, 4a; A-84-A-87
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nietzsche o “Dionisos crucificado”: A partir de El hombre y lo divino, de María Zambrano
Autorzy:
Rodríguez González, Mariano
Powiązania:
https://bibliotekanauki.pl/articles/647407.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
intellectual honesty
sacred
nihilism
piety
Dionysus
honestidad
sagrado
nihilismo
piedad
Dionisos
Opis:
In this paper we examine the reading that the Spanish philosopher María Zambrano will do of Nietzsche’s work, and in particular his influence on the composition of The Man and the Divine, especially in relation to the issues of “God is dead” and “The superman delirium”. Moreover our article takes stock of Nietzsche’s presence in the earlier work of the thinker, finally exposing her interpretation of the “madness” of Nietzsche from the complex symbolic relations that she establishes between Dionysus and Christ. 
Se examina en este trabajo la lectura que hace la filósofa española María Zambrano de la obra de Friedrich Nietzsche, y en particular su influjo en la redacción de El hombre y lo divinosobre todo en relación con las cuestiones del “Dios ha muerto” y “El delirio del superhombre”. Por otra parte se pasa revista a la presencia nietzscheana en los trabajos anteriores de la pensadora, para terminar con la exposición de su interpretación de la “locura” de Nietzsche a partir de las complejas relaciones simbólicas que establece entre Dionisos y Cristo.  
Źródło:
Annales Universitatis Mariae Curie-Sklodowska, sectio I – Philosophia-Sociologia; 2015, 40, 1
2300-7540
0137-2025
Pojawia się w:
Annales Universitatis Mariae Curie-Sklodowska, sectio I – Philosophia-Sociologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inhomogeneity detection in phytoplankton time series using multivariate analyses
Autorzy:
Muniz, O.
Rodriguez, J.G.
Revilla, M.
Laza-Martinez, A.
Seoane, S.
Franco, J.
Powiązania:
https://bibliotekanauki.pl/articles/2079181.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
phytoplankton community
monitoring programme
uncertainty
multivariate analysis
inhomogeneity
Opis:
Phytoplankton communities have long been used as water quality indicators within environmental policies. This has fostered the development of national and international phytoplankton monitoring programs, but these networks are subject to sources of uncertainty due to laboratory issues. Nevertheless, studies regarding the interference associated with these aspects are not well-documented. Hence, a long time series (2003–2015) from the Basque continental shelf (southeastern Bay of Biscay) was analyzed to evaluate the uncertainty given by laboratory strategies when studying phytoplankton variability. Variability in phytoplankton communities was explained not only by environmental conditions but also by changes in fixatives (glutaraldehyde and acidic Lugol's solution) and laboratory staff. Based on Bray-Curtis distances, phytoplankton assemblages were found to be significantly dissimilar according to the effect of changes in the specialist handling the sample and the employed fixative. The pair-wise permutational multivariate analysis of variance (PERMANOVA) showed significant differences between the two fixatives utilized and also between the three taxonomists involved. Thus, laboratory-related effects should be considered in the study of phytoplankton time series.
Źródło:
Oceanologia; 2020, 62, 3; 243-254
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Manufacture of Toughened Al2O3-Based Composites by the Combination of RBAO and SPS Processes
Autorzy:
Rocha-Rangel, Enrique
Calles-Arriaga, Carlos A.
López-Hernández, Juan
Rodríguez-García, José A.
Powiązania:
https://bibliotekanauki.pl/articles/2203745.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
RBAO process
SPS process
Al2O3
fracture toughness
ceramic composites
Opis:
The effect of additions of silver or titanium (0.5 or 3 vol.%) microparticles on the microstructure, as well as some physical properties of Al2O3-based composites, were studied. The processing method for the manufacturing of alumina-based composites was a combination of RBAO and SPS processes. After the SPS process, bodies with almost full density were obtained. Observations by optical microscopy show a very fine and homogenous microstructure in all samples. Concerning mechanical properties, the addition of metals on alumina increases its fracture toughness significantly (112% for the sample with additions of silver, while the composite with additions of titanium fracture toughness increases by 72%). In terms of optical properties, both silver and titanium improve the absorbance in the visible range.
Źródło:
Archives of Metallurgy and Materials; 2023, 68, 1; 249--255
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Los desafíos. O sobre las tareas que nos inspira el legado del Profesor Andrzej Dembicz (1939-2009)
Challenges, or, the Work that Inspires us the Legacy of Professor Andrzej Dembicz (1939-2009)
Autorzy:
RODRÍGUEZ ABRAHAM, Francisco J.
Powiązania:
https://bibliotekanauki.pl/articles/486162.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Źródło:
Revista del CESLA. International Latin American Studies Review; 2010, 1, 13; 69-71
1641-4713
Pojawia się w:
Revista del CESLA. International Latin American Studies Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Indirect inactivation of tyrosinase in its action on tyrosine
Autorzy:
Muñoz-Muñoz, Jose
Garcia-Molina, Francisco
Acosta-Motos, Jose
Arribas, Enrique
Garcia-Ruíz, Pedro
Tudela, Jose
Garcia-Cánovas, Francisco
Rodríguez-López, Jose
Powiązania:
https://bibliotekanauki.pl/articles/1039828.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
o-diphenol
inactivation
monophenol
tyrosinase
suicide
Opis:
Under aerobic conditions, tyrosinase is inactivated by dopa as a result of suicide inactivation, and, under anaerobic conditions, as a result of irreversible inactivation. However, tyrosine protects the enzyme from being inactivated by dopa under anaerobic conditions. This paper describes how under aerobic conditions the enzyme acting on tyrosine is not directly inactivated but undergoes a process of indirect suicide inactivation provoked by reaction with the o-diphenol originated from the evolution of o-dopaquinone and accumulated in the reaction medium.
Źródło:
Acta Biochimica Polonica; 2011, 58, 4; 477-488
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The approximation function of bridge deck vibration derived from the measured eigenmodes
Autorzy:
Sokol, M.
Komorníková, M.
Bacigál, T.
Rodríguez, M. X.
Powiązania:
https://bibliotekanauki.pl/articles/329968.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
eigenmode approximation
eigenmode derivatives
regression spline
spectral analysis
distributed parameter system
krzywa regresji
analiza spektralna
układ o parametrach rozłożonych
Opis:
This article deals with a method of how to acquire approximate displacement vibration functions. Input values are discrete, experimentally obtained mode shapes. A new improved approximation method based on the modal vibrations of the deck is derived using the least-squares method. An alternative approach to be employed in this paper is to approximate the displacement vibration function by a sum of sine functions whose periodicity is determined by spectral analysis adapted for non-uniformly sampled data and where the parameters of scale and phase are estimated as usual by the least-squares method. Moreover, this periodic component is supplemented by a cubic regression spline (fitted on its residuals) that captures individual displacements between piers. The statistical evaluation of the stiffness parameter is performed using more vertical modes obtained from experimental results. The previous method (Sokol and Flesch, 2005), which was derived for near the pier areas, has been enhanced to the whole length of the bridge. The experimental data describing the mode shapes are not appropriate for direct use. Especially the higher derivatives calculated from these data are very sensitive to data precision.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2017, 27, 4; 799-814
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Grain-Size Prediction Model in Aluminum Castings Manufactured by Low-Pressure Technology
Autorzy:
Fernández-Calvo, A. I.
Lizarralde, I.
Sal, E.
Rodríguez, P.
de Zabalegui, E. O.
Cia, I.
Rios, A.
Powiązania:
https://bibliotekanauki.pl/articles/106923.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
grain refinement
AlSi7Mg alloy
thermal modulus
cooling rate
solidification evolution
Opis:
The grain refinement in a real casting manufactured by Low Pressure Die Casting (LPDC) such as wheels and steering knuckles depends on the grain-refinement potential of the metal and the geometry of the part/process parameters. For this study, the effect of the cooling rate on the AlSi7Mg alloy with different metal qualities in terms of grain refinement was tested. The grain size has been metallographically evaluated in cylindrical test pieces and in the real wheels and steering knuckles manufactured at the Mapsa and Fagor Ederlan foundries. The Thermolan®-Al system has been used to evaluate the nucleation potential in terms of grain size on a standard cup. The grain size has been modeled taking into account the effect of the cooling rate measured in the center of the cylindrical test parts and the different grain-size potential. Different grades of refinement have been tested. The grain size measured in a real casting (wheel and steering knuckle) was used to calibrate the model for a real part in LPDC for different grain-size potential.
Źródło:
Journal of Casting & Materials Engineering; 2018, 2, 4; 71-77
2543-9901
Pojawia się w:
Journal of Casting & Materials Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Literatura y realidad histórica. Un reencuentro con Ezequiel Martínez Estrada y su interpretación del Martín Fierro
Literature and historical reality. A reencounter with Ezequiel Martínez Estrada’s interpretation of the Martín Fierro
Autorzy:
Rosales Rodríguez, Amán
Powiązania:
https://bibliotekanauki.pl/articles/1051632.pdf
Data publikacji:
2010-01-01
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Ezequiel Martínez Estrada
Argentina
literatura o poesía gauchesca
superimposed reality
Opis:
The purpose of this paper is to critically review some of the main theoretical tenets in Ezequiel Martínez Estrada’s pessimistic stance about the Argentinean history and society of his time. Focusing on his critical remarks about the so-called «literatura o poesía gauchesca» as well as on his enthusiastic assessment of José Hernández’ Martín Fierro, the achievements and missing points in Martínez Estrada’s skeptical diagnosis will be underlined and put in broader philosophical context. For the Argentinean writer the controversial notion of a “superimposed reality” – as he infers its existence from the Martín Fierro – captures a kind of ambivalent metaphysical concurrence among the literary creation, the geographical setting and the sociopolitical state of the country.
Źródło:
Studia Romanica Posnaniensia; 2010, 37, 1; 27-42
0137-2475
2084-4158
Pojawia się w:
Studia Romanica Posnaniensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Measurement of the physicochemical, performance, and consumer-information characteristics of commercial nonmedicated shampoo for dogs
Autorzy:
Peña-Corona, S.I.
Juárez-Rodríguez, I.
Vargas-Estrada, D.
Amador-González, E.
Arvizu-Tovar, L.
Soberanis-Ramos, O.
Powiązania:
https://bibliotekanauki.pl/articles/16539147.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
veterinary shampoo
quality control
sensory evaluation
performance evaluation
label
animal welfare
dog bath
Opis:
The aim was to analyze the quality of commercial shampoo without prophylactic effect for dogs. The analysis was based on the evaluations and requirements established for human-line products since there is no guide for veterinary products in Mexico; such evaluations have not been carried out or published in Mexico. Physicochemical, sensory, performance, and consumer information tests of the shampoo were carried out. The sample consisted of twenty products marketed in Mexico City. During the evaluation of the label, a serious non-compliance with applicable regulations was found. The pH of the products ranged between 5.6 and 8.4; Significant differences (p<0.05) were found between the three groups with low (6.1), medium (7.2), and high (8.1) pH. Viscosity values were from 1131 to 3102. For the foam index, no statistically significant differences were found. 100% of the products analyzed complied with the rest of the quality tests carried out. The results of the quality analysis in this study will allow veterinarians specializing in small species to better select and recommend the products for their use and inform dog owners, about the safety, and value of the products.
Źródło:
Polish Journal of Veterinary Sciences; 2022, 25, 2; 213-221
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
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