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    Wyświetlanie 1-9 z 9
    Tytuł:
    Application of prefabricated panels for the energy retrofit of Portuguese residential buildings facades: a case study
    Autorzy:
    Sousa, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/231508.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    panel prefabrykowany
    modernizacja energetyczna
    oszczędność energii
    budynek mieszkalny
    budownictwo zrównoważone
    prefabricated panel
    energy retrofit
    energy conservation
    residential building
    sustainable building
    Opis:
    This article aims to evaluate the potential application of prefabricated panels in energy retrofit of facades in the Portuguese building stock. The fundamentals of this study were part of Annex 50, which was an international ECBCS IEA project, with the purpose of developing an innovative concept of building renovation for the most representative buildings based on prefabricated systems. To analyze the potential application of energy retrofit using prefabricated panels, was important to know the reality of the existing building stock and its morphology. To know the reality of the building stock, an analysis was done based on the existing statistical data and to find the most representative residential buildings, target of the study, three criteria were defined: buildings built before 1990, with 2 to 6 floors and with renovation needs in the exterior envelope. In the absence of statistical information about buildings morphology, a research work was done in the field. During the collection of data a methodology was developed in which each opening was classified according to a code with three parameters. In the end of the classification, 29 final codes were achieved and was verified that three types of panels have a higher probability of being applied.
    Źródło:
    Archives of Civil Engineering; 2013, 59, 3; 337-357
    1230-2945
    Pojawia się w:
    Archives of Civil Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Factors impacting on patient compliance with medical advice: empirical study
    Autorzy:
    Krot, K.
    Sousa, J. P,
    Powiązania:
    https://bibliotekanauki.pl/articles/125530.pdf
    Data publikacji:
    2017
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    compliance with medical advice
    doctor–patient relationship
    trust
    satisfaction
    przestrzeganie zaleceń lekarskich
    relacja lekarz-pacjent
    zaufanie
    zadowolenie
    Opis:
    The purpose of this paper to identify factors which have a bearing on compliance with medical advice in various age groups. The survey was conducted, using the CAWI method, on a representative sample of 1000 respondents who declared having used healthcare services in the previous six months. Control of competences is one of the strongest factors which is common for the oldest and youngest groups. Interestingly, trust in the integrity and honesty of doctors is significant for the youngest patients, i.e., the higher is the level of trust, the lower is the tendency to non-comply. Another type of trust is related to the benevolence of doctors and is significant to patients of the middle age group. Satisfaction is a significant predictor in the two oldest groups of patients. High levels of satisfaction seem to deter people from non-adherence to recommended treatment regimens. The results of the present study provide knowledge about the nature and diversity of factors behind patient compliance in various age groups.
    Źródło:
    Engineering Management in Production and Services; 2017, 9, 2; 73-81
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Solutions for a nonhomogeneous p&q-Laplacian problem via variational methods and sub-supersolution technique
    Autorzy:
    Tavares, Leandro S.
    Sousa, J. Vanterler C.
    Powiązania:
    https://bibliotekanauki.pl/articles/29519368.pdf
    Data publikacji:
    2023
    Wydawca:
    Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
    Tematy:
    p&q-Laplacian operator
    nonhomogeneous operator
    sub-supersolution
    existence
    multiplicity
    Opis:
    In this paper it is obtained, through variational methods and sub-supersolution arguments, existence and multiplicity of solutions for a nonhomogeneous problem which arise in several branches of science such as chemical reactions, biophysics and plasma physics. Under a general hypothesis it is proved an existence result and multiple solutions are obtained by considering an additional natural condition.
    Źródło:
    Opuscula Mathematica; 2023, 43, 4; 603-613
    1232-9274
    2300-6919
    Pojawia się w:
    Opuscula Mathematica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Research on the Portuguese building stock and its impacts on energy consumption – an average U-value approach
    Autorzy:
    Sousa, J.
    Bragança, L.
    Almeida, M.
    Silva, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/231236.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    zasoby budynków
    zasoby energii
    zużycie energii
    element konstrukcyjny
    przenikanie ciepła
    współczynnik przenikania ciepła
    building stock
    energy resources
    energy consumption
    structural element
    heat transfer
    heat transfer coefficient
    Opis:
    The article aims to evaluate the Portuguese building stock energy policies and strategy for energy saving in buildings among the EU members. It was found out the average heat transfer coefficients of the main structural elements of Portuguese Buildings and analyzed the U-values of this elements considering different time periods. The fundamentals of this study were funded by the Agency for Development and Innovation (ADI) and co-financed by the European Regional Development Fund (FEDER) through the Operational Program for Competitiveness Factors (POFC) assigned to the Building Physics and Construction Technology Laboratory with the reference SB Tool SPT_2011_4.
    Źródło:
    Archives of Civil Engineering; 2013, 59, 4; 523-546
    1230-2945
    Pojawia się w:
    Archives of Civil Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Internal marketing and organisational performance of SMEs in the EDV industrial sector
    Autorzy:
    Sousa, J. P,
    Krot, K.
    Rodrigues, R. G.
    Powiązania:
    https://bibliotekanauki.pl/articles/125542.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    internal marketing
    performance
    industrial production sector
    EDV
    marketing wewnętrzny
    wydajność
    sektor produkcji przemysłowej
    Opis:
    Focusing on the industrial sector, this research aims to identify conditions for the implementation of internal marketing concepts among employees and its impact on the organisational performance. Only one study was found simultaneously integrating the two constructs. It concerned the cork processing industry alone, yet considered expanding the efforts – namely, using qualitative exploratory research in the form of 10 in-depth interviews based on a script of generally open questions – to the entire industry in the Portuguese region between rivers Douro and Vouga. The unit of analysis was constructed considering distinct features as well as activity criteria and the geographic location, thus ensuring the necessary heterogeneity. The results inform about the awareness of the internal marketing conceptualisation. The research found that all analysed enterprises had more or less structured model frames and worked with the conceptualisation of the guidance for the internal market, a strategic concern, and in some instances, this concept was an organisational desideratum in the sector. In addition to the lapse of the research according to a qualitative paradigm of exploratory nature, the main limitation is the need for objective sustainably of the results obtained through future quantitative studies to promote an integrated triangulation of their outcomes. The research allowed identifying the companies that use organisational models conducive to the individual well-being of employees and facilitating the desired orientation to the market.
    Źródło:
    Engineering Management in Production and Services; 2018, 10, 1; 55-64
    2543-6597
    2543-912X
    Pojawia się w:
    Engineering Management in Production and Services
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A novel orchiectomy surgical procedure in donkeys (Equus asinus africanus) with parascrotal access
    Autorzy:
    Barrêto JR, R.A.
    Rodrigues, L.A.
    Albuquerque, J.P.
    de Sousa, F.J.A.
    Firmino, P.R.
    Sousa, R.S.
    Pedrosa, V.J.
    do Amaral, T.R.
    Minervino, A.H.H.
    Powiązania:
    https://bibliotekanauki.pl/articles/16539181.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    inflammation
    donkeys
    peritoneal fluid
    surgical approach
    castration
    Opis:
    Donkeys are a public health concern in the Northeast region of Brazil, with thousands of stray animals. Orchiectomy is an important population control measure; however, the long postoperative period with daily treatment of open wounds in the scrotum makes it difficult to perform a large number of castrations in sheltering centers. We evaluate a novel surgical procedure for orchiectomy in donkeys using parascrotal access. Twelve donkeys were used, divided into two groups: I - submitted to orchiectomy through parascrotal surgical access (novel procedure), and II - submitted to orchiectomy through scrotal access (conventional). Postoperative evaluations consisted of a macroscopic evaluation of the surgical wound (bleeding and intensity of edema), hematological parameters, and peritoneal fluid, which occurred in both groups at the moments (M): M0 - before the surgical procedure. The others moments occurred after surgery: M12 (twelve hours); M24 (twenty-four hours); M48 (forty-eight hours); M72 (seventy-two hours); M8D (eight days); and M16D (sixteen days). The surgical techniques did not generate an important systemic inflammatory response to the point detected by the leukogram, fibrinogen dosage, and peritoneal fluid. The parascrotal technique required long surgery but promoted less bleeding, less edema, and faster healing. The techniques used did not promote sufficient systemic inflammation to alter the number of leukocytes and the fibrinogen concentration; however, evaluation of the peritoneal fluid proved to be important for evaluating inflammatory processes involving the scrotum and inguinal canal. We describe a novel surgical procedure for orchiectomy in Donkeys using a parascrotal access that promoted less risk of bleeding, shorter period of edema, and healing time, but required longer surgery time.
    Źródło:
    Polish Journal of Veterinary Sciences; 2022, 25, 2; 295-302
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Contact detection between convex superquadric surfaces
    Detekcja kontaktu pomiędzy wypukłymi powierzchniami kwadratowymi
    Autorzy:
    Fontes Portal, R. J.
    Pereira Dias, J. M.
    Gonçalves de Sousa, L. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/139474.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    detekcja kontaktu
    kwadryki
    powierzchnie superkwadratowe
    optymalizacja
    dynamika układów wieloczłonowych
    contact detection
    superquadrics
    optimization
    multibody dynamics
    Opis:
    This paper presents a methodology for contact detection between convex quadric surfaces using its implicit equations. With some small modifications in the equations, one can model superellipsoids, superhyperboloids of one or two sheets and supertoroids. This methodology is to be implemented on a multibody dynamics code, in order to simulate the interpenetration between mechanical systems, particularly, the simulation of collisions with motor vehicles and other road users, such as cars, motorcycles and pedestrians. The contact detection of two bodies is formulated as a convex nonlinear constrained optimization problem that is solved using two methods, an Interior Point method (IP) and a Sequential Quadratic Programming method (SQP), coded in MATLAB and FORTRAN environment, respectively. The objective function to be minimized is the distance between both surfaces. The design constraints are the implicit superquadrics surfaces equations and operations between its normal vectors and the distance itself. The contact points or the points that minimize the distance between the surfaces are the design variables. Computational efficiency can be improved by using Bounding Volumes in contact detection pre-steps. First one approximate the geometry using spheres, and then Oriented Bounding Boxes (OBB). Results show that the optimization technique suits for the accurate contact detection between objects modelled by implicit superquadric equations.
    W artykule przedstawiono metodologię wykrywania kontaktu między wypukłymi powierzchniami typu kwadryki (superkwadratowymi) opisanymi równaniami uwikłanymi. Po niewielkich modyfikacjach równań, można modelować uogólnione elipsoidy, hiperboloidy jedno- lub dwupowłokowe oraz toroidy. Opisana metodologia ma być zaimplementowana w programie do symulacji układów wieloczłonowych i służyć do modelowania wzajemnej penetracji układów mechanicznych, w szczególności do symulacji kolizji pojazdów mechanicznych z innymi użytkownikami dróg, takimi jak samochody, motocykle i piesi. Zagadnienie detekcji kontaktu między dwoma ciałami jest formułowane jako wypukły, nieliniowy problem optymalizacyjny z ograniczeniami, który jest rozwiązywany przy użyciu dwu metod: metody punktu wewnętrznego (Interior Point, IP) oraz metody sekwencyjnego programowania kwadratowego (Sequential Quadratic Programming, SQP), dostępnych odpowiednio w środowiskach MATLAB i FORTRAN. Funkcja celu podlegająca minimalizacji jest odległością pomiędzy obiema powierzchniami. Ograniczeniami optymalizacji są uwikłane równania powierzchni drugiego stopnia oraz operacje pomiędzy ich wektorami do nich normalnymi i odległością. Zmiennymi decyzyjnymi są punkty kontaktu lub punkty wyznaczające minimalną odległość pomiędzy powierzchniami. Efektywność obliczeniową można poprawić stosując metodę objętości otaczających (Bounding Volumes) we wstępnych krokach detekcji kontaktu. Najpierw aproksymuje się geometrię ciał za pomocą kul, a następnie zorientowanych prostopadłościanów otaczających (Oriented Bounding Boxes, OBB). Wyniki pokazują, że taka technika optymalizacji zapewnia dokładną detekcję kontaktu pomiędzy obiektami modelowanymi przy użyciu uwikłanych równań powierzchni drugiego stopnia.
    Źródło:
    Archive of Mechanical Engineering; 2010, LVII, 2; 165-186
    0004-0738
    Pojawia się w:
    Archive of Mechanical Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Property identification of viscoelastic solid materials in nomograms using optimization techniques
    Autorzy:
    de Sousa, T. L.
    Kanke, F.
    Pereira, J. T.
    Bavastri, C. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/280283.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    identification
    optimization
    viscoelastic materials
    Zener fractional model
    Wiechert model
    Opis:
    Viscoelastic materials have been widely used as devices for vibration control in general. Frequently, dynamic properties of those materials are provided by manufacturers only in a graph form in the frequency domain. This is a recurring problem in industry and academia. Thereby, the goal of this work is to contribute to this important issue which is to obtain the properties of viscoelastic materials from nomograms supplied by the manufacturer. The methodology is based on the digitalization of the nomogram of the material and on the subsequent reading of a set of points from two curves in different temperatures. An optimization problem with simple restrictions is built having characteristic constants of the constitutive models as design variables. The problem is solved by applying a hybrid optimization technique. The results obtained are presented, and prove to be very promising.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2017, 55, 4; 1285-1297
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of ovulation rate and timing of ovulation after different hormone treatments on pregnancy rate in dairy cows
    Autorzy:
    Répási, A.
    Szelényi, Z.
    Melo De Sousa, N.
    Beckers, J.F.
    Nagy, K.
    Szenci, O.
    Powiązania:
    https://bibliotekanauki.pl/articles/2087522.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    dairy cow
    prostaglandin
    GnRH
    ultrasonography
    progesterone
    Źródło:
    Polish Journal of Veterinary Sciences; 2019, 2; 355-362
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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