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    Wyświetlanie 1-6 z 6
    Tytuł:
    Frequency Dependent Incidence Model for Acute and Chronic Schistosomiasis
    Autorzy:
    Derick, Ngobi
    Onuorah, Martins O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1077429.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Schistosomiasis
    acute
    chronic
    endemic
    equilibrium
    stability
    Opis:
    In this research work, a deterministic mathematical model for schistosomiasis transmission dynamics is presented. The model consists of five non-liniar ordinary differential equations incorporating the acute and chronic infectious compartments. The basic reproductive number, (the number of secondary infections when a single infectious individual is introduced into a population where everyone is susceptible) was obtained. Furthermore, we gained and analyzed for stability, the disease-free and endemic equilibrium. The qualitative feature of the model shows that the long-term behavior of the model is independent of initial conditions. Numerical simulation of the various state variables were obtained using matlab software.
    Źródło:
    World News of Natural Sciences; 2019, 23; 276-296
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Role of Faster R-CNN Algorithm in the Internet of Things to Detect Mask Wearing: The Endemic Preparations
    Autorzy:
    Nasution, Marah Doly
    Al-Khowarizmi
    Rahmat, Romi Fadillah
    Lubis, Arif Ridho
    Lubis, Muharman
    Powiązania:
    https://bibliotekanauki.pl/articles/27311978.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    Faster R-CNN
    IoT
    mask
    endemic
    Opis:
    Faster R-CNN is an algorithm development that continuously starts from CNN then R-CNN and Faster R-CNN. The development of the algorithm is needed to test whether the heuristic algorithm has optimal provisions. Broadly speaking, faster R-CNN is included in algorithms that are able to solve neural network and machine learning problems to detect a moving object. One of the moving objects in the current phenomenon is the use of masks. Where various countries in the world have issued endemic orations after the Covid 19 pandemic occurred. Detection tool has been prepared that has been tested at the mandatory mask door, namely for mask users. In this paper, the role of the Faster R-CNN algorithm has been carried out to detect masks poured on Internet of Thinks (IoT) devices to automatically open doors for standard mask users. From the results received that testing on the detection of moving mask objects when used reaches 100% optimal at a distance of 0.5 to 1 meter and 95% at a distance of 1.5 to 2 meters so that the process of sending detection signals to IoT devices can be carried out at a distance of 1 meter at the position mask users to automatic doors.
    Źródło:
    International Journal of Electronics and Telecommunications; 2023, 69, 4; 691--696
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Znaczenie terminu „epidemia” w starożytnej literaturze grecko-rzymskiej (Próba analizy na wybranych przykładach)
    The meaning of the term epidemic in ancient greek and roman literature. An attempt at an analysis of chosen examples
    Autorzy:
    Iwańska, Judyta
    Powiązania:
    https://bibliotekanauki.pl/articles/496176.pdf
    Data publikacji:
    2014-11-30
    Wydawca:
    Towarzystwo Naukowe Franciszka Salezego
    Tematy:
    epidemia
    zaraza
    endemiczny
    epidemic
    pestilence
    endemic
    Opis:
    The article discusses the meaning of the term ‘epidemic’ in the literary sources of ancient Greece and Rome. It presents an attempt at tracing the semantics of the words no/soj, loimo/j and e)pidemi/a in Greek literature and illustrates various usage of e)pidemi/a before Hippocrates. It also shows what terms were used by Roman scribes to define pestilence or points out that Homer used the word in Illiad in the meaning of: “this one who liked passionately the frightening civil war”. Sophocles used ‘epidemios’ in King Oedipus referring to dissemination and propagation of the king’s fame. The authors before Hippocrates applied this term almost to any phenomenon (people, rain, war) except for disease. Hippocrates was the first one to adapt it to medical terminology. (P. Martin, E. Martin, 2,500-year …).
    Źródło:
    Seminare. Poszukiwania naukowe; 2014, 35, 4; 175-184
    1232-8766
    Pojawia się w:
    Seminare. Poszukiwania naukowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Jodła sycylijska na skraju wyginięcia – czy istnieje szansa dla tego krytycznie zagrożonego gatunku?
    Sicilian fir near to extinction – Is there any chance for this critically endangered species?
    Autorzy:
    Sękiewicz, Katarzyna
    Powiązania:
    https://bibliotekanauki.pl/articles/1186043.pdf
    Data publikacji:
    2020-02-19
    Wydawca:
    Polskie Towarzystwo Dendrologiczne
    Tematy:
    biodiversity hotspot
    conservation status
    endemic
    Mediterranean region
    Sicilian fir
    threatened species
    Opis:
    In the mountains of the north-central Sicily (Italy), a small and isolated population of Sicilian fir (Abies nebrodensis) has survived to the present day. It is the most unique species of the Sicilian flora, not only because of its taxonomic position, but mostly because of its endemic and relict status and the serious risk of extinction. The single natural population of this extremely rare species is currently represented by only 30 mature individuals scattered over a small area in the Madonie Mountains. This species has experienced intensive population decline since the end of the 17th century, and its situation became extremely critical in the first decades of the 19th century due to deforestation and overgrazing. Consequently, Sicilian fir was considered to be extinct about three decades before being rediscovered on the Madonie Mts. in 1937. Sicilian fir is recognized as one of the most endangered coniferous species in the world. It is classified as critically endangered by IUCN, and also included in the list of 50 most endangered plant species in the Mediterranean region. Currently, the limited population size, a small proportion of reproductive individuals, habitat loss, ongoing and projected climate change, and hybridization with other species pose serious threats to survival of this species. Therefore, it is extremely important to maintain actions focusing on in situ and ex situ conservation in order to preserve and protect the existing resources of Sicilian fir, which represents the natural heritage unique to the Mediterranean.
    Źródło:
    Rocznik Polskiego Towarzystwa Dendrologicznego; 2019, 67; 39-48
    2080-4164
    2300-8326
    Pojawia się w:
    Rocznik Polskiego Towarzystwa Dendrologicznego
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Floristic inventory of the habitats of the endangered montane grassland bird Nilgiri Pipit (Anthus nilghiriensis) at Palani Hills and Nilgiri Hills of southern Western Ghats, India
    Autorzy:
    Arigela, Ravi Kiran
    Singh, Rajeev Kumar
    K, Althaf Ahamed Kabeer
    CK, Vishnudas
    Powiązania:
    https://bibliotekanauki.pl/articles/2183582.pdf
    Data publikacji:
    2022-03-30
    Wydawca:
    Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
    Tematy:
    endemic
    grasses
    invasive
    Kerala
    native
    Tamil Nadu
    threat
    endemiczny
    trawy
    inwazyjny
    zagrożenie
    Opis:
    The vegetation in the habitats of the endemic montane grassland bird Nilgiri Pipit at Palani Hills and Nilgiri Hills of southern Western Ghats is delineated in this study. Threats to the habitats of the Nilgiri Pipit by invasive plants species is also discussed.
    W niniejszym opracowaniu scharakteryzowano florę i roślinność w siedliskach świergotka, endemicznego ptaka łąk górskich, występującego w Palani Hills i Nilgiri Hills w południowych Ghatach Zachodnich. Wyjaśniono zależność między endemicznymi trawami, a zagrożonym świergotkiem górskim. Omówiono tu również zagrożenia siedlisk świergotka przez inwazyjne gatunki roślin.
    Źródło:
    Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2022, 7; 129-144
    2543-8832
    2545-0999
    Pojawia się w:
    Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mathematical Modeling of Control Strategies for Visceral leishmaniasis
    Autorzy:
    Onyekwelu, Onuorah Martins
    Baker, Nasasira
    Powiązania:
    https://bibliotekanauki.pl/articles/1839477.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Stability
    equilibrium
    parameterization
    endemic
    basic reproductive number
    simulation
    visceral Leishmaniasis
    Visceral leishmaniasis
    kala-azar
    Cutaneous leishmanisis
    Opis:
    In this paper, a deterministic mathematical model for the transmission dynamics of Visceral leishmaniasis (VL) was formulated and analyzed. The basic reproductive number R0 was obtained using the next generation matrix method. The model which was parameterized using the 2011 cases of Visceral Leishmaniasis in South Sudan, was used to assess two control measures. Numerical simulation reveals that the exposed population is reduced by high detection rate, and low biting rate of sandflies. Further, our model simulation gave the values of the contact rate of susceptible human, α1 and the detection rate of new cases, σ at which the basic reproductive number is less than one, (R0 < 1), equal to one (R0 = 1) and greater than one (R0 > 1).
    Źródło:
    World News of Natural Sciences; 2021, 37; 102-116
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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