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Wyświetlanie 1-13 z 13
Tytuł:
Discrete Entailment-Based Linking and -<i>EE</i>Nouns in English
Autorzy:
González, Luis
Powiązania:
https://bibliotekanauki.pl/articles/620770.pdf
Data publikacji:
2007-01-01
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
argument structure
benefactee
dative overriding
linking theory
malefactee
macroroles
Proto-Roles
theta-roles
unaccusativity
Opis:
Barker (1998) argues that since the referent of an -ee noun can be an indirect object, a direct object, a prepositional object, or a subject, -ee nouns cannot be described as a syntactic natural class. Portero Muñoz (2003) concurs and offers a semantic analysis based on Logical Structure (LS) in the framework of Role and Reference Grammar (RRG). This article proposes that RRG's macroroles (Actor and Undergoer) can be derived with two entailments and without any need for LS. Its analysis improves Portero Muñoz's, presenting additional evidence that subjects that allow -ee noun formation are Undergoers. It also explains why most -ee nouns are direct objects in spite of the fact that the suffix originated as a referent for indirect objects. Finally, it offers an explanation for nouns like amputee, pluckee, twistee, benefactee, malefactee, biographee, catapultee, razee, standee, attendee.
Źródło:
Research in Language; 2007, 5; 51-79
1731-7533
Pojawia się w:
Research in Language
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Omnipresent holomorphic operators and maximal cluster sets
Autorzy:
González, Luis
Powiązania:
https://bibliotekanauki.pl/articles/967650.pdf
Data publikacji:
1992
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
holomorphic operators
maximal cluster sets
boundary behavior
residual sets
derivatives and antiderivatives
Źródło:
Colloquium Mathematicum; 1992, 63, 2; 315-322
0010-1354
Pojawia się w:
Colloquium Mathematicum
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Derivative and antiderivative operators and the size of complex domains
Autorzy:
Bernal-González, Luis
Powiązania:
https://bibliotekanauki.pl/articles/1311689.pdf
Data publikacji:
1994
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
universal function
equicontinuous sequence
derivative operator
antiderivative operator
MacLane's theorem
size of a domain
Opis:
We prove some conditions on a complex sequence for the existence of universal functions with respect to sequences of certain derivative and antiderivative operators related to it. These operators are defined on the space of holomorphic functions in a complex domain. Conditions for the equicontinuity of those sequences are also studied. The conditions depend upon the size of the domain.
Źródło:
Annales Polonici Mathematici; 1994, 59, 3; 267-274
0066-2216
Pojawia się w:
Annales Polonici Mathematici
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Universal images of universal elements
Autorzy:
Bernal-González, Luis
Powiązania:
https://bibliotekanauki.pl/articles/1206133.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Matematyczny PAN
Tematy:
universal element
almost commutativity
universal image
dense range
dense hypercyclic manifold
point spectrum of the adjoint
analytic function of an operator
real entire function
maximal dimension
Opis:
We furnish several necessary and sufficient conditions for the following property: For a topological space X, a continuous selfmapping S of X and a family τ of continuous selfmappings of X, the image under S of every τ-universal element is also τ-universal. An application in operator theory, where we extend results of Bourdon, Herrero, Bes, Herzog and Lemmert, is given. In particular, it is proved that every hypercyclic operator on a real or complex Banach space has a dense invariant linear manifold with maximal algebraic dimension consisting, apart from zero, of vectors which are hypercyclic.
Źródło:
Studia Mathematica; 2000, 138, 3; 241-250
0039-3223
Pojawia się w:
Studia Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Generation of H2 on board LNG vessels for consumption in the propulsion system
Autorzy:
Fernández, Ignacio Arias
Gómez, Manuel Romero
Gómez, Javier Romero
López-González, Luis M.
Powiązania:
https://bibliotekanauki.pl/articles/260010.pdf
Data publikacji:
2020
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
boil-off gas
efficiency
H2 storage
LNG vessel
reforming
Opis:
At present, LNG vessels without reliquefaction plants consume the BOG (boil-off gas) in their engines and the excess is burned in the gas combustion unit without recovering any of its energy content. Excess BOG energy could be captured to produce H2, a fuel with high energy density and zero emissions, through the installation of a reforming plant. Such H2 production would, in turn, require on-board storage for its subsequent consumption in the propulsion plant when navigating in areas with stringent anti-pollution regulations, thus reducing CO2 and SOX emissions. This paper presents a review of the different H2 storage systems and the methods of burning it in propulsion engines, to demonstrate the energetic viability thereof on board LNG vessels. Following the analysis, it is identified that a pressurised and cooled H2 storage system is the best suited to an LNG vessel due to its simplicity and the fact that it does not pose a safety hazard. There are a number of methods for consuming the H2 generated in the DF engines that comprise the propulsion plant, but the use of a mixture of 70% CH4-30% H2 is the most suitable as it does not require any modifications to the injection system. Installation of an on-board reforming plant and H2 storage system generates sufficient H2 to allow for almost 3 days’ autonomy with a mixture of 70%CH4-30%H2. This reduces the engine consumption of CH4 by 11.38%, thus demonstrating that the system is not only energy-efficient, but lends greater versatility to the vessel.
Źródło:
Polish Maritime Research; 2020, 1; 83-95
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A study of the Inverse Gaussian Process with hazard rate functions-based drifts applied to degradation modelling
Autorzy:
Rodríguez-Picón, Luis Alberto
Méndez-González, Luis Carlos
Pérez-Olguín, Iván JC
Hernández-Hernández, Jesús Israel
Powiązania:
https://bibliotekanauki.pl/articles/2175136.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
inverse Gaussian process
hazard rate function
degradation rate
variable drift
Opis:
The stochastic modelling of degradation processes requires different characteristics to be considered, such that it is possible to capture all the possible information about a phenomenon under study. An important characteristic is what is known as the drift in some stochastic processes; specifically, the drift allows to obtain information about the growth degradation rate of the characteristic of interest. In some phenomenon’s the growth rate cannot be considered as a constant parameter, which means that the rate may vary from trajectory to trajectory. Given this, it is important to study alternative strategies that allow to model this variation in the drift. In this paper, several hazard rate functions are integrated in the inverse Gaussian process to describe its drift in the aims of individually characterize degradation trajectories. The proposed modelling scheme is illustrated in two case studies, from which the best fitting model is selected via information criteria, a discussion of the flexibility of the proposed models is provided according to the obtained results.
Źródło:
Eksploatacja i Niezawodność; 2022, 24, 3; 590--602
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stochastic modelling of the temperature increase in metal stampings with multiple stress variables and random effects for reliability assessment
Ocena niezawodności z wykorzystaniem stochastycznego modelu wzrostu temperatury w metalowych wytłoczkach, uwzględniającego wielorakie zmienne naprężeniowe oraz efekty losowe
Autorzy:
Quezada del Villar, Andrea Viridiana
Rodríguez-Picón, Luis Alberto
Pérez-Olguín, Iván JC
Méndez-González, Luis Carlos
Powiązania:
https://bibliotekanauki.pl/articles/301832.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
accelerated degradation test
gamma process
random effect
reliability assessment
badanie przyspieszonego starzenia
proces gamma
efekty losowe
ocena niezawodności
Opis:
Many products wear out over time even before they fail or stop working, therefore, through accelerated degradation tests one is able to make inferences about statistical parameters or the distributions of a product useful life. Since many devices experience different types of variation due to unobservable factors during the manufacturing processes or under certain operating conditions; these situations lead to the need in developing accelerated degradation models with several variables of acceleration and random effects. The proposed model in this paper, is a model based on the gamma process with random effects to have a better analysis of degradation. This model is applied to the analysis of the temperature increase of metal stampings that are affected by multiple explanatory variables. In addition, a statistical inference method based on a Bayesian approach is used to estimate the unknown parameters to then perform a reliability analysis after obtaining the first-passage time distributions.
Wiele produktów zużywa się z upływem czasu zanim nawet ulegną uszkodzeniu lub przestaną działać. Badania przyspieszonego starzenia pozwalają wyciągać wnioski na temat parametrów statystycznych lub rozkładów okresu użytkowania produktu. Wiele urządzeń podlega różnym rodzajom zmienności pod wpływem działania nieobserwowalnych czynników występujących podczas procesu produkcyjnego lub w pewnych warunkach pracy; sytuacje te wymagają opracowania modeli przyspieszonego starzenia uwzględniających wielorakie zmienne przyspieszenia oraz efekty losowe. Zaproponowany w przedstawionym artykule model opiera się na procesie gamma z efektami losowymi, dzięki czemu pozwala na lepszą analizę degradacji. Model ten zastosowano do analizy wzrostu temperatury w metalowych wytłoczkach, na które oddziałuje wiele zmiennych objaśniających. Ponadto do oszacowania nieznanych parametrów wykorzystano metodę wnioskowania statystycznego opartą na podejściu bayesowskim. Umożliwiło to analizę niezawodności po uzyskaniu rozkładów czasu pierwszego przejścia.
Źródło:
Eksploatacja i Niezawodność; 2019, 21, 4; 654-661
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chernobyl Liquidators - the people and the doses
Autorzy:
Gan-Jose, Luis K.
Gonzalez-Kimena, Virginia
Powiązania:
https://bibliotekanauki.pl/articles/1121328.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Chernobyl liquidators
the doses
the people
Opis:
The clean-up operations following the Chernobyl accident were arguably the greatest in the history of mankind. This paper is not intended to give a comprehensive review of the Chernobyl related research, we present only a review of the scientific literature available till now about the “liquidators”, i.e. people who performed the task of decontamination work near the damaged Chernobyl nuclear power plant. Most of the approximately 300,000 liquidators who took part in the mitigation of the local consequences of the Chernobyl accident between 1986 and 1989 received only low radiation doses which are comparable or lower than those documented in nuclear worker registries. The health consequences from these radiation doses are too small to be identifiable in any epidemiological study that does not target specific sub-groups with potentially higher exposure. From our review of the published literature, several criteria are derived which could be used to identify potentially suitable sub-populations; in particular, among those being the liquidators who participated in the clean-up work during in 1986, including CNPP staff, special groups such as the “sarcophagus workers” (39), helicopter crews (3, 48), liquidators from the Institute of Biophysics who had participated in clean-up work in Chernobyl (12, 20), the Samoilenko group (12), sarcophagus builders (12) and groups other that the aforementioned.
Źródło:
World News of Natural Sciences; 2016, 4; 44-60
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie oceny oddziaływania drgań wzbudzanych robotami strzałowymi przy użyciu normy polskiej i hiszpańskiej
Comparison of the ground-born vibration assessment according to Polish and Spanish standard
Autorzy:
Pyra, Józef
Biessikirski, Andrzej
González Ortego, Jose Luis
Powiązania:
https://bibliotekanauki.pl/articles/164989.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Górnictwa
Tematy:
drgania parasejsmiczne
ocena oddziaływania
PN-B-02170:2016-12
UNE 22.381/93
ground-born vibration
evaluation of the ground born-vibration
Opis:
W pracy przedstawiono analizę oddziaływania drgań, wzbudzanych wykonywaniem robót strzałowych w kopalniach odkrywkowych, w oparciu o normę polską oraz hiszpańską. Omówiono założenia norm oraz sposób prowadzenia analizy. Zauważono, że ocena oddziaływania w normie hiszpańskiej polega na naniesieniu na skalę maksymalnych wartości prędkości drgań w zależności od ich częstotliwości, zaś w normie polskiej zdarzenia poddaje się analizie w pasmach 1/3 oktawowych. Uzyskane rezultaty rozpatrywano dla dwóch przypadków obiektu architektonicznego oraz budynku w dobrym stanie technicznym. W przypadku budynku w dobrym stanie technicznym wyniki uzyskane na podstawie oceny oddziaływania względem obydwu norm wykazały, że rejestrowane drgania były nieszkodliwe dla konstrukcji. Gdy przyjęto, że obiekt chroniony był obiektem architektonicznym uzyskano przeciwstawną interpretację oceny. Różnica w ocenie wynikała z różnych dopuszczalnych wartości prędkości, określających możliwość wystąpienia uszkodzenia.
The evaluation of ground-born vibrations, induced by the blasting works, was made according to Polish and Spanish standard. Moreover standards assumption and construction were discussed in this paper. It was noted that evaluation of the vibrations according to Spanish standard consists on applying the peak particle velocity on the scale, while in the Polish standard vibrations have to be assess by the octave analysis. Obtained results were considered in two different cases as an architectural object and as a structure in a good technical condition. In the case of a building in a good condition, obtained results according to Polish and Spanish standard showed that recorded vibrations were harmless to the structure. In case of architectural object, a different interpretation was obtained. It was resulted from various permissible velocity values which determining the possible presence of damage.
Źródło:
Przegląd Górniczy; 2019, 75, 6; 1-8
0033-216X
Pojawia się w:
Przegląd Górniczy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Austerity policies in the Eurozone: How they affect youth unemployment?
Autorzy:
Díaz-Roldán, Carmen
Parada-Rodríguez, José Luis
Carmona-González, Nieves
Powiązania:
https://bibliotekanauki.pl/articles/14426269.pdf
Data publikacji:
2019-06-26
Wydawca:
Wyższa Szkoła Bankowa we Wrocławiu
Tematy:
Monetary unions
fiscal consolidation
sustainable policies
youth unemployment.
Opis:
Aim: Analyse the effects of stabilization policies on youth unemployment, using government deficit besides the use of fiscal policy by the supply side; aimed to characterize the economic framework conditions under which fiscal policy could reduce youth unemployment.   Design/Research methods: We consider an economic framework featuring the use of monetary and fiscal rules within a monetary union. In this scenario, that should be representative of the Eurozone, we will analyse the effects of stabilization policies when dealing with a financial crisis which produces contractive effects on output and on employment. We will pay special attention to the conservativeness of the central bank, the degree of austerity of the fiscal authorities and the initial level of government debt. Those characteristics prove to be crucial for the sustainability of economic policies packages based on fiscal consolidation and the use of fiscal policy instruments by the supply side, when trying to deal with unemployment. And given that in the financial crisis effects have been hit Eurozone countries in a different manner, we will also differentiate monetary union’s member countries according with their government debt and their unemployment path.   Conclusions/findings: Fiscal authorities should be no austere for fighting youth unemployment, when using fiscal policy by the supply side. In other words, when optimizing their loss function, they should give more weight to the output stabilization goal that to the government deficit reduction.  Originality/value of the article: Allowing for the use of both monetary and fiscal policy rules, in the scenario of a monetary union, our results could help us to stablish the conditions under which fiscal policy could help to alleviate youth unemployment.
Źródło:
Central European Review of Economics and Management; 2019, 3, 2; 7-20
2543-9472
Pojawia się w:
Central European Review of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Radon measurements in groundwater mines in La Palma and El Hierro, Canary Islands (Spain)
Autorzy:
Santamarta, Juan C.
Gutiérrez, Luis Enrique Hernández
Martín, Jesica Rodríguez
Pérez, Lina
Bascones, Rafael J. Lario
Moro, Ángel Morales González
Pérez, Noelia Cruz
Powiązania:
https://bibliotekanauki.pl/articles/1853859.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
promieniowanie
wody podziemne
kopalnia
Wyspy Kanaryjskie
radon gas
radiation
groundwater
mines
Canary Islands
Opis:
In the Canary Islands, groundwater is the main source of drinking water. Groundwater mines have been the system used by the engineers of the archipelago to collect water from the ground. The Canary Islands are volcanic with soils characterized by being rich in uranium, the disintegration of which gives rise to radon gas. In this study, radon gas levels in the mines on two islands of the archipelago have been measured to study exposure to this gas in the galleries. Results show values much higher than the European regulatory limit concentrations.
Źródło:
Archives of Mining Sciences; 2020, 65, 4; 869-876
0860-7001
Pojawia się w:
Archives of Mining Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
TYMS 2R3R polymorphism and DPYD [IVS]14+1G>A gene mutation in Mexican colorectal cancer patients
Autorzy:
Gallegos-Arreola, Martha
Zúñiga-González, Guillermo
Sánchez-López, Josefina
Cruz, Alondra
Peralta-Leal, Valeria
Figuera, Luis
Puebla-Pérez, Ana
Ronquillo-Carreón, Carlos
Puebla-Mora, Ana
Powiązania:
https://bibliotekanauki.pl/articles/1038394.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
TYMS 2R/3R
colorectal cancer
polymorphism
DPYD [IVS]14+1G>A
Mexican population
Opis:
Objective: To examine the association between TYMS 2R3R polymorphism and DPYD [IVS]14+1G>A mutation by comparing healthy subjects with colorectal cancer (CRC) patients in the Mexican population. Method: Genotyping of the 2R/3R was performed by polymerase chain reaction (PCR) and [IVS]14+1G>A mutation by real-time PCR analysis. Results: The observed frequencies of the TYMS 2R3R polymorphism and the -[IVS]14+1G>A mutation in DPYD did not indicate an increased risk for CRC (p>0.05). However we observed an association of the 2R/2R (OR 3.08, 95% CI 1.66-6.08, p=0.0017) and heterozygous (OR 1.98, 95% CI 1.32-2.97, p=0.0012) genotypes as risk factors when comparing controls and CRC patients that were also tobacco consumers. An association between the genotype and the disease was evident. The distribution of the 2R/2R genotype and hematological toxicity (adjusted OR 2.26, 95% CI 1.54-4.45, p=0.0259), heterozygous (2R/3R) with tumor stage III-IV (OR 1.81, 95% CI 1.11-2.94, p=0.020) and 2R/2R-2R/3R in non-chemotherapy response CRC patients with hematological (OR 2.3, 95% CI 1.21-4.4, p=0.014) and gastric toxicities (OR 3.11, 95% CI 1.18-8.2, p=0.035) confirmed that this factor may significantly contribute to the CRC susceptibility. Conclusion: TYMS 2R3R polymorphism and the -[IVS]14+1G>A mutation in DPYD was not associated with susceptibility to CRC. However, the 2R/2R and 2R/3R genotypes of TYMS polymorphism could significantly contribute to hematological and gastric toxicity in CRC patients in this sample population.
Źródło:
Acta Biochimica Polonica; 2018, 65, 2; 227-234
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First Report of a Case of Prostatitis Due to Acanthamoeba in a Dog
Autorzy:
Lorenzo-Morales, Jacob
Valladares, María
Sancho, Jaione
Reyes-Batllé, María
Martín-Navarro, Carmen M.
López-Arencibia, Atteneri
González, Ana C.
López-Medina, Luis
Piñero, José E.
Martínez-Carretero, Enrique
Valladares, Basilio
Powiązania:
https://bibliotekanauki.pl/articles/763401.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Dog, prostate, Acanthamoeba, PCR, genotype T4
Opis:
The first case of prostatitis in a ten year old mixed breed dog due to Acanthamoeba genotype T4 is reported. The dog was suffering from kidney dysfunction and was admitted for exploration of its organs by echography. All organs were in normal conditions with the exception of the prostate which showed signs of inflammation. An ultrasound-guided puncture was thus performed for further cytological and microbiological study. When the obtained fluid was observed under the microscope, Acanthamoeba trophozoites were detected in a high number. No other pathogens were isolated. Both culture and PCR were positive for Acanthamoeba genus and the isolate was later identified as genotype T4. Unfortunately at this stage, the dog’s owner decided to reject any kind of treatment or therapy. To the best of our knowledge, this is the first report of prostatitis in a dog due to Acanthamoeba genus.
Źródło:
Acta Protozoologica; 2013, 52, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-13 z 13

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