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Wyszukujesz frazę "Ghoshal, S." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Avifaunal diversity in two residential localities of Kolkata, India
    Autorzy:
    Chattopadhyay, R.
    Ghoshal, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/11815.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    Avifauna in two different residential localities of Kolkata viz. Cossipore of North Kolkata and Dhakuria of South Kolkata was done in twelve months period from December, 2013 – November, 2014 to get some idea about the present avian diversity of the city. Total forty eight species of birds belonging to twenty five families were identified from the two sites and recorded along with their abundance in this study. Fluctuations in abundance of bird fauna between the study areas were also recorded which may be attributed to the loss of proper habitat for foraging and nesting due to continuous urbanization and increased pollution rates.
    Źródło:
    International Letters of Natural Sciences; 2015, 48
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spectroscopic Investigation of Rare-Earth Doped Phosphate Glasses Containing Silver Nanoparticles
    Autorzy:
    Amjad, R.
    Sahar, M.
    Ghoshal, S.
    Dousti, M.
    Samavati, M.
    Riaz, S.
    Tahir, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1400152.pdf
    Data publikacji:
    2013-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.30.Ly
    78.55.-m
    78.66.Jg
    Opis:
    Phosphate glasses having compositions $(59.5-x)P_2O_5-40MgO-xAgCl-0.5Er_2O_3$, where x=0, 1.5 mol.% is prepared using melt-quenching technique. Infrared, absorption and photoluminescence spectra of $Er^{3+}$-doped magnesium phosphate glasses have been reported. The amorphous nature of the host glass is confirmed by X-ray diffraction technique. Transmission electron microscope image confirms the existence of silver nanoparticles inside the glass matrix. The localized surface plasmon resonance band of silver is found to be located around ≈ 528 nm for the $Er^{3+}$ free sample. A frequency upconversion process from infrared to visible is observed on excitation with 797 nm radiation. Furthermore, an enhancement in the emission at 540 nm and 632 nm is found due to the local field effect of silver nanoparticles. Our findings may contribute towards the development of solid state laser and sensors.
    Źródło:
    Acta Physica Polonica A; 2013, 123, 4; 746-749
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Ergonomics Study on the Prevalence of Musculoskeletal Disorders Among Indian Bus Conductors
    Autorzy:
    Gangopadhyay, S.
    Dev, S.
    Das, T.
    Ghoshal, G.
    Ara, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/90847.pdf
    Data publikacji:
    2012
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    bus conductor
    musculoskeletal disorders
    work study
    India
    Opis:
    This study was undertaken among 100 randomly selected bus conductors from 2 routes. A questionnaire study based on the modified Nordic musculoskeletal questionnaire, assessment of physical and physiological parameters, analysis of working postures and a detailed work study were performed. The analysis revealed that conductors had a work schedule of 16–18 h each day; the duration of work could vary from 15 to 20 days at a stretch. Discomfort leading to musculoskeletal disorders mainly affecting the leg (93.3%), knee (83.3%), shoulder (80%) and back areas (56.7%) had the highest 12-month prevalence rates and increased day by day.The conductors also suffered from extreme physiological stress due to prolonged working hours in hazardous standing posture conditions, excessive work pressure and minimum rest between trips. Consequently, all those factors affected their health and work performance.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2012, 18, 4; 521-530
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Ergonomics Study on Posture-Related Discomfort and Occupational-Related Disorders Among Stonecutters of West Bengal, India
    Autorzy:
    Gangopadhyay, S.
    Das, B.
    Das, T.
    Ghoshal, G.
    Ghosh, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/90199.pdf
    Data publikacji:
    2010
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    stonecutters
    OWAS
    posture-related discomfort
    posture
    Opis:
    Stonecutting and setting are important tasks in a construction site. A field study was conducted to assess occupational-related disorders and to conduct ergonomics assessment among stonecutters. The study focused on (a) the duration of work per day, (b) the working environment and working activities and (c) the feeling of discomfort in different parts of the body. A detailed posture analysis was performed with the Ovako working posture analysis system (OWAS). It was observed that stonecutters worked continuously in awkward postures during stonecutting and setting. Consequently, they suffered from discomfort in different parts of their body, specifically in the lower back, knees and shoulders, which mainly prevented them from continuing their work. This study also revealed that stonecutters had to work in congested work areas with a poor level of illumination. The noise level and dust particles emitted during stonecutting activities could affect stonecutters.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2010, 16, 1; 69-79
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Ergonomic Study on Posture-Related Discomfort Among Preadolescent Agricultural Workers of West Bengal, India
    Autorzy:
    Gangopadhyay, S.
    Das, B.
    Das, T.
    Ghoshal, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/90547.pdf
    Data publikacji:
    2005
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    preadolescence
    agricultural worker
    posture
    discomfort
    rolnictwo
    ergonomia
    młodociani
    pozycja przy pracy
    warunki pracy
    choroby narządów ruchu
    czynniki ryzyka
    Opis:
    In India, particularly in West Bengal, preadolescents are primarily associated with agricultural work in rural areas. Owing to poor socio-economic conditions, they are compelled to carry out a considerable number of manual, rigorous tasks in agricultural fields. The main aim of this study was to investigate postures adopted by preadolescent agricultural workers during individual agricultural activities and to analyze the causes of discomfort related to those postures. Fifty male and 50 female preadolescent agricultural workers were randomly selected and a detailed posture analysis was performed with the Ovako Working Posture Analysis System (OWAS). It was observed that those workers worked continuously in awkward postures during certain agricultural activities. Consequently they suffered from discomfort in different parts of their body. Even though they were very young, they were likely to suffer from serious musculoskeletal disorders in the future.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2005, 11, 3; 315-322
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Theatre for Sustainable Development: Jana Sanskriti’s Participatory Ideologue and Practice
    Teatr na rzecz zrównoważonego rozwoju: Jana Sanskriti partycypacyjna ideologia i praktyka
    Autorzy:
    Ghoshal, Shubhra
    Manna, Nirban
    Powiązania:
    https://bibliotekanauki.pl/articles/370981.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Komitet Człowiek i Środowisko PAN
    Tematy:
    Theatre of the Oppressed
    West Bengal (India)
    Sanjoy Ganguly
    development
    activism
    Teatr Uciśnionych
    Bengal Zachodni (Indie)
    rozwój
    aktywizm
    Opis:
    As a reaction against the institutionalized top-down developmental orientation, the theory and praxis of development as an inclusive process of socio-political collective transformation has been constantly realized. At this juncture, performative activities have become increasingly instrumental strategies in engaging people more intrinsically in their various personal and social development issues. The focus of this paper lies in studying Jana Sanskriti Centre for Theatre of the Oppressed, which despite being an apolitical organisation, offers significant contribution towards searching for viable socio-political possibilities in contemporary India. The paper delves into discussing some specific ground realities of rural West Bengal, deliberating on the endeavours of Jana Sanskriti in extending onstage representations to offstage reformation. This research investigates how sustainable changes, defined as both individual psychological transformation and groups’ socio-political consciousness are generated among spectators through participation in this theatrical process.
    W reakcji na zinstytucjonalizowaną odgórną orientację rozwojową stale realizowano teorię i praktykę rozwoju jako integracyjnego procesu społeczno-politycznej transformacji zbiorowej. W tym momencie działania performatywne stały się coraz bardziej instrumentalną strategią angażowania ludzi bardziej wewnętrznie w różne kwestie rozwoju osobistego i społecznego. Artykuł ten koncentruje się na badaniu Centrum Teatru Uciśnionych Jana Sanskriti, które pomimo tego, że jest organizacją apolityczną, wnosi znaczący wkład w poszukiwanie realnych możliwości społeczno-politycznych we współczesnych Indiach. Artykuł zagłębia się w dyskusję na temat konkretnych realiów wiejskich Bengalu Zachodniego, rozważając starania Jana Sanskriti o rozszerzenie sztuki scenicznej na konkretne działania podejmowane poza nią. Zbadano, w jaki sposób trwałe zmiany, zdefiniowane zarówno jako indywidualna transformacja psychologiczna, jak i świadomość społeczno-polityczna grup, są wywoływane wśród widzów poprzez udział w tym procesie teatralnym.
    Źródło:
    Problemy Ekorozwoju; 2020, 15, 1; 221-227
    1895-6912
    Pojawia się w:
    Problemy Ekorozwoju
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Numerical study on two dimensional distribution of streamwise velocity in open channel turbulent flows with secondary current effect
    Autorzy:
    Mohan, S.
    Kundu, S.
    Ghoshal, K.
    Kumar, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/38616700.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    velocity distribution
    open channel flow
    turbulent flow
    RANS equations
    secondary current
    finite difference method
    Opis:
    For studying mechanism of sediment transport in river flows, open channel flow is a prototype. Flow has always three components of velocity for all types of channel geometry and for a time independent uniform flow along streamwise or main flow direction, all the components of velocity are functions of lateral and vertical coordinates. The present study investigates the two dimensional distribution of streamwise (or longitudinal) velocity starting from the Reynolds averaged Navier–Stokes equation for a turbulent open channel flow which is steady and uniform along the main flow direction. Secondary flows both along the vertically upward direction and along the lateral direction are considered which are also taken as functions of lateral and vertical coordinates. Inclusion of the secondary current brings the effect of dip phenomenon in the model. The resulting second order partial differential equation is solved numerically. The model is validated for all the cross-sectional, transverse and centreline velocity distribution by comparing with existing relevant set of experimental data and also with an existing model. Comparison results show good agreement with data as well as with the previous model proving the efficiency of the model. It is found that the transverse velocity distribution depends on the formation of circular vortex in the cross-sectional plane and becomes periodic as the number of circular vortex increases for increasing aspect ratios.
    Źródło:
    Archives of Mechanics; 2021, 73, 2; 175-200
    0373-2029
    Pojawia się w:
    Archives of Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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