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Wyszukujesz frazę "physical loss" wg kryterium: Temat

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Binding force and mechanical strength of rice grain
    Autorzy:
    Szot, B.
    Ferrero, A.
    Molenda, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/24123.pdf
    Data publikacji:
    1998
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    physical loss
    binding force
    Italy
    strength property
    crop loss
    harvest
    mechanical strength
    mechanical property
    rice grain
    Źródło:
    International Agrophysics; 1998, 12, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the Blood Pressure, Heart Rate and Body Mass of Physically Active Men in Response to Thermal Stress
    Autorzy:
    Podstawski, Robert
    Bielec, Grzegorz
    Borysławski, Krzysztof
    Alföldi, Zoltán
    Marzec, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2026889.pdf
    Data publikacji:
    2022-03-31
    Wydawca:
    Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
    Tematy:
    dry sauna
    blood pressure
    heart rate
    body mass loss
    physical activity
    Opis:
    Background: Finnish sauna is presently the most popular type of thermal therapy in Europe. Saunas are widely available in aquaparks, SPA centers and hotels. In Scandinavian countries sauna is regarded not only as a form of treatment, but as a part of the national lifestyle. Objective: The aim of this study was to evaluate sauna-induced changes in systolic (SBP) and diastolic blood pressure (DBP), heart rate (HR) and body mass in healthy men. Methods: Thirty healthy men aged 20-49 years (mean age: 31.2±11.3 years) attended four 12-minute Finnish sauna sessions (temperature: 90°C, humidity: 14-16%) with 6-minute breaks in between sessions, including cold water immersion for 1 minute. The participants’ physical activity (PA) levels were evaluated with an IPAQ questionnaire. Sauna bathers’ body composition, BP and HR were measured before the first and after the fourth sauna session. Results: A significant (p < .001) decrease in SBP and DBP values was noted in response to sauna regardless of the bathers’ body mass, age and PA levels. The average HR increased significantly in younger, slimmer and more physically active participants. Sauna treatment induced a significant decrease in body mass loss regardless of all independent variables. Conclusions: Repeated 12-minute Finnish sauna sessions have a beneficial influence on the cardiovascular system. Finnish sauna can be recommended for healthy men with average and high PA levels as a means of decreasing BP. Body mass loss, on the other hand, is related to the loss of body fluids as a result of sweating.
    Źródło:
    Central European Journal of Sport Sciences and Medicine; 2022, 37; 65-76
    2300-9705
    2353-2807
    Pojawia się w:
    Central European Journal of Sport Sciences and Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Evaluation of the Effect of Uncertainties on the Acoustic Behavior of a Porous Material Located in a Duct Element Using the Monte Carlo Method
    Autorzy:
    Hannachi, Hanen
    Trabelsi, Hassen
    Kani, Marwa
    Taktak, Mohamed
    Chaabane, Mabrouk
    Haddar, Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/31339920.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    porous material
    physical parameters
    transmission loss
    acoustic power attenuation
    Monte Carlo
    method
    Opis:
    When studying porous materials, most acoustical and geometrical parameters can be affected by the presence of uncertainties, which can reduce the robustness of models and techniques using these parameters. Hence, there is a need to evaluate the effect of these uncertainties in the case of modeling acoustic problems. Among these evaluation methods, the Monte Carlo simulation is considered a benchmark for studying the propagation of uncertainties in theoretical models. In the present study, this method is applied to a theoretical model predicting the acoustic behavior of a porous material located in a duct element to evaluate the impact of each input error on the computation of the acoustic proprieties such as the reflection and transmission coefficients as well as the acoustic power attenuation and the transmission loss of the studied element. Two analyses are conducted; the first one leads to the evaluation of the impacts of error propagation of each acoustic parameter (resistivity, porosity, tortuosity, and viscous and thermal length) through the model using a Monte Carlo simulation. The second analysis presents the effect of propagating the uncertainties of all parameters together. After the simulation of the uncertainties, the 95% confidence intervals and the maximum and minimum errors of each parameter are computed. The obtained results showed that the resistivity and length of the porous material have a great influence on the acoustic outputs of the studied model (transmission and reflection coefficients, transmission loss, and acoustic power attenuation). At the same time, the other physical parameters have a small impact. In addition, the acoustic power attenuation is the acoustic quantity least impacted by the input uncertainties.
    Źródło:
    Archives of Acoustics; 2023, 48, 1; 81-91
    0137-5075
    Pojawia się w:
    Archives of Acoustics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Limitations in availability of food in Ukraine as a result of loss and waste
    Autorzy:
    Kotykova, Olena
    Babych, Mykola
    Powiązania:
    https://bibliotekanauki.pl/articles/19090898.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Badań Gospodarczych
    Tematy:
    food loss
    food waste
    food shortage
    food surplus
    consumption deficit
    physical availability of food
    Opis:
    Research background: The commitment to increasing the volume of agricultural production remains the main strategy for food supply in Ukraine. In fact, such an approach does not solve the problem of the limitation of food's physical availability. It works quite the opposite way, as there is a guaranteed food loss and waste, worsened environmental situation and decreased level of economic availability of food. Purpose of the article: According to the results of the empirical study, the volume of food shortages has been determined as a result of food loss and waste, food surpluses in case of compliance with the rational consumption norms and zero food loss and waste, as well as potential social benefits from reducing food loss and waste. Methods: The research of the limitation of the physical availability of the different types of products as a result of food loss and waste was carried out according to the methodology developed by the authors. In particular, for the group of products in which the consumption deficit is established in a small number of regions - the main indicator is the "production surplus in the conditions when the rational consumption norms and zero food loss are met"; for the group of products in which the consumption deficit is established in the vast majority of regions - the main calculation indicators are the "production shortage in the conditions when the rational consumption norms and zero food loss are met" and the "specific gravity of the consumption shortage, which occurs as a result of food loss and waste". Findings & Value added: The obtained results are crucially important for shaping of the food security policy. Reducing of the food loss and waste has positive social consequences through the expansion of the physical availability of food, which, under other conditions, leads to greater economic availability of products, as well as contributes to the gender equality and poverty reduction for rural residents.
    Źródło:
    Oeconomia Copernicana; 2019, 10, 1; 153-172
    2083-1277
    Pojawia się w:
    Oeconomia Copernicana
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Otologiczne i audiologiczne uwarunkowania dobrostanu dzieci z desonoryzacją
    Otological and Audiological Conditions of the Well-Being of Children with Desonorization
    Autorzy:
    Konopska, Lilianna
    Powiązania:
    https://bibliotekanauki.pl/articles/892737.pdf
    Data publikacji:
    2020-08-27
    Wydawca:
    Polskie Towarzystwo Logopedyczne
    Tematy:
    zaburzenia mowy
    desonoryzacja
    tympanogram
    słuch fizyczny
    niedosłuch przewodzeniowy
    dzieci
    speech disorders
    desonorization
    physical hearing
    conductive hearing loss
    children
    Opis:
    W pracy przedstawiono wyniki własnych badań nad desonoryzacją w dyslalii dotyczące otologicznych i audiologicznych uwarunkowań dobrostanu dzieci z zaburzeniami w realizacji dźwięczności fonemów obstruentalnych. Materiał badawczy pochodzi od 30 osób z desonoryzacją w wieku od 4,7 do 17,8 lat. Na podstawie specjalistycznych badań lekarskich stwierdzono, że w omawianej grupie u 80% badanych dzieci występują nieprawidłowości w obrębie błony bębenkowej dotyczące jej koloru, refleksu świetlnego, położenia i przezierności. U 53% badanych osób w audiometrii impedancyjnej uzyskano dane wskazujące na wysiękowe zapalenie ucha środkowego i/lub dysfunkcję trąbki słuchowej. Także u 53% badanych dzieci stwierdzono w audiometrii tonalnej obustronny lub jednostronny niedosłuch przewodzeniowy. Z przeprowadzonych badań wynika, że w przypadku zaburzeń desonoryzacyjnych koniecznym warunkiem logopedycznego postępowania diagnostyczno-terapeutycznego jest badanie laryngologiczno-audiologiczne i specjalistyczne leczenie.
    The research paper presents the results of own research on desonorization in dyslalia regarding otological and audiological conditions of the well-being of children with impaired performance of voicing obstruent phonemes. The research material comes from 30 people with desonorization between 4.7 and 17.8 years of age. During research it was found, basing on specialist medical examinations, that 80% of this group of the examined children had abnormalities in the tympanic membrane regarding its color, light reflex, position and translucency. The data obtained during impedance audiometry indicated that 53% of the subjects went through exudative otitis media and/or hearing tube dysfunction. The data obtained during pure tone audiometry indicated that 53% of the examined children suffered from bilateral or unilateral conductive hearing loss. The conducted research shows that in the case of desonorative disorders, a laryngological-audiological examination and specialist treatment are essential prerequisite for logopedic as well as therapeutic diagnostics.
    Źródło:
    Logopedia; 2018, 47, 2; 177-192
    0459-6935
    Pojawia się w:
    Logopedia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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