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    Wyświetlanie 1-13 z 13
    Tytuł:
    On Rayleigh wave in generalized magneto-thermoelastic media with hydrostatic initial stress
    Autorzy:
    Singh, B.
    Kumari, S.
    Singh, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/201293.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    generalized thermoelasticity
    hydrostatic initial stress
    magnetic field
    Rayleigh wave
    frequency equation
    Opis:
    The governing equations of generalized magneto-thermoelasticity with hydrostatic initial stress are solved for surface wave solutions. The particular solutions in the half-space are applied to the boundary conditions at the free surface of the half-space to obtain the frequency equation of Rayleigh wave. The frequency equation is approximated for small thermal coupling and small reduced frequency. The velocity of propagation and amplitude-attenuation factor of Rayleigh wave are computed numerically for a particular material. Effects of magnetic field and hydrostatic initial stress on the velocity of the propagation and amplitude-attenuation factor are shown graphically.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 2; 349-352
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of slip velocity on unsteady peristalsis MHD blood flow through a constricted artery experiencing body acceleration
    Autorzy:
    Nandal, J.
    Kumari, S.
    Rathee, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/265867.pdf
    Data publikacji:
    2019
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    elastyczność
    prędkość poślizgu
    perystaltyka
    elastico-viscous
    slip velocity
    selective permeability
    peristalsis
    stenosed artery
    Opis:
    In this analysis, we present a theoretical study to examine the combined effect of both slip velocity and periodic body acceleration on an unsteady generalized non-Newtonian blood flow through a stenosed artery with permeable wall. A constant transverse magnetic field is applied on the peristaltic flow of blood, treating it as an elastico-viscous, electrically conducting and incompressible fluid. Appropriate transformation methods are adopted to solve the unsteady non-Newtonian axially symmetric momentum equation in the cylindrical polar coordinate system with suitably prescribed conditions. To validate the applicability of the proposed analysis, analytical expressions for the axial velocity, fluid acceleration, wall shear stress and volumetric flow rate are computed and for having an adequate insight to blood flow behavior through a stenosed artery, graphs have been plotted with varying values of flow variables, to analyse the influence of the axial velocity, wall shear stress and volumetric flow rate of streaming blood.
    Źródło:
    International Journal of Applied Mechanics and Engineering; 2019, 24, 3; 645-659
    1734-4492
    2353-9003
    Pojawia się w:
    International Journal of Applied Mechanics and Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Indo-French comprehensive bilateral cooperation: A roadmap to Indo-Pacific partnership and beyond
    Szeroko zakrojona indyjsko-francuska współpraca dwustronna: Plan działania w ramach Partnerstwa na rzecz parków w regionie Indo-Pacyfiku i nie tylko
    Autorzy:
    Bharti, M.S.
    Kumari, S.
    Bharti, S.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2148667.pdf
    Data publikacji:
    2022
    Wydawca:
    Akademia Bialska Nauk Stosowanych im. Jana Pawła II w Białej Podlaskiej
    Tematy:
    India
    France
    Indo-Pacific
    parks partnership
    bilateral cooperation
    maritime politics
    Opis:
    Subject and purpose of work: The purpose of this research is to the assess the Indo-French bilateral cooperation in the Indo-Pacific region. The study aims to identify the main areas of cooperation between India and France. This paper assesses a roadmap for the broader strategy for the „Indo-Pacific Parks Partnership”. Materials and methods: It uses the empirical approach to know to what extent the Indo-French cooperation achieves its goal. Further, this study answers the following research questions to test a hypothesis. What kind of bilateral partnerships are the two countries shaping for deeper comprehensive cooperation? Why is the Indo-Pacific the central part of the Indo-French partnerships? India and France strategically shifted their bilateral partnership towards the Pacific and Indian Ocean regions for deeper cooperation. Results: The bilateral partnership between India and France has been tremendously accelerating for the last decade. Both the countries are better attuned in the context of Maritime Security and trade cooperation in the Indo-Pacific region. Conclusions: The article concludes that India and France need a deeper partnership in the IndoPacific region to accelerate trade and business in the maritime domain.
    Źródło:
    Economic and Regional Studies; 2022, 15, 3; 284-302
    2083-3725
    2451-182X
    Pojawia się w:
    Economic and Regional Studies
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Cytogenetic diversity of Elsholtzia ciliata Benth. (Lamiaceae) from Kashmir Himalaya
    Autorzy:
    Malik, R.A.
    Gupta, R.C.
    Kumari, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/19559.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Opis:
    Our cytomorphological study of various populations of Elsholtzia ciliata (Lamiaceae) collected from high-altitude sites of Kashmir Himalaya revealed two euploid cytomorphotypes, diploid (n=8) and tetraploid (n=16), growing sympatrically but inhabiting two different habitats. This is the first report of tetraploid (4×) E. ciliata from the Indian subcontinent. We found the course of meiois to be normal in diploids, but tetraploid individuals showed chromosome and meiotic irregularities: cytomixis at early prophase I, stickiness at metaphase I, and chromosome bridges at anaphase I. In tetraploids, 23 of the 26 pollen mother cells observed at metaphase I showed 0–6 quadrivalents, suggesting that the tetraploid is a segmental allopolyploid. Microsporogenesis was also abnormal in tetraploids, showing the formation of triads. All these anomalies are conducive to lower reproductive potential (40.70%) in tetraploids than in diploids (90.50%). Significant morphological differences between the two cytotypes are presented.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2012, 54, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Chromosome numbers and basic chromosome numbers in monocotyledonous genera of the Western Himalayas (India)
    Autorzy:
    Kaur, H.
    Mubarik, N.
    Kumari, S.
    Gupta, R.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/19329.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2014, 56, 2
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Meiotic studies in some members of Caryophyllaceae Juss. from the Western Himalayas
    Autorzy:
    Jeelani, S.M.
    Rani, S.
    Kumar, S.
    Kumari, S.
    Gupta, R.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/19318.pdf
    Data publikacji:
    2011
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Caryophyllaceae
    Himalayas
    meiotic process
    chromosome number
    meiosis
    Western Himalayas
    pollen grain size
    Arenaria kashmirica
    Silene conoidea
    Silene edgeworthii
    Silene moorcroftiana
    Silene nepalensis
    Stellaria media
    Stellaria monosperma
    Stellaria semivestita
    Lychnis coronaria
    Silene vulgaris
    India
    Gypsophilla ceratioides
    Opis:
    The paper reports meiotic studies on 50 populations comprising 12 species belonging to 5 genera of Caryophyllaceae from the Western Himalayas. The chromosome numbers in Arenaria kashmirica (n=20), Silene conoidea (n=20), S. edgeworthii (n=12 and n=24), S. moorcroftiana (n=24), S. nepalensis (n=12), Stellaria media (n=13), S. monosperma (n=13) and S. semivestita (n=13) are reported for the first time. The chromosome numbers in Lychnis coronaria (n=12) and Silene vulgaris (n=24) are given for the first time from India, along with Gypsophilla ceratioides (n=15) from the Western Himalayas. The course of meiosis varies from normal to abnormal in different populations of Silene conoidea, S. edgeworthii, S. vulgaris, Stellaria media, S. monosperma and S. semivestita. The course of meiosis was abnormal in all studied populations of Lychnis coronaria. Abnormal microsporogenesis (cytomixis, chromosomal stickiness, unoriented bivalents, formation of laggards and bridges) led to reduced pollen fertility and differences in pollen grain size.
    Źródło:
    Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
    0001-5296
    Pojawia się w:
    Acta Biologica Cracoviensia. Series Botanica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Determinations of minerals in Marine crab Charybdis lucifera (Fabricius, 1798)
    Autorzy:
    Kumari, A.S.I.
    Shankar, A.M.
    Jaganathan, K.
    Soundarapandian, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11803.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    Crab meat is an excellent source of minerals, particularly calcium, iron, zinc, potassium and phosphours. The minerals in the edible parts of muscle of C.lucifera different sexes (male, female and berried female) were determined by digital flame photometer. Totally 11 minerals are reported in the present study. Seven (Sodium> Potassium >Magnesium >Calcium>Manganese> Iron >Zinc) minerals were reported in all sexes. Sodium was maximum (137.55 mg) and zinc was minimum (1.76 mg) in all sexes. Copper, mercury and cadmium were available in trace amount in all sexes. However, arsenic was in trace amount in berried females and totally absent in males and females. Among different sexes, berried females contain maximum amount of minerals (156.24mg) followed by females (121.76 mg) and males (95.5mg).
    Źródło:
    International Letters of Natural Sciences; 2015, 45
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of demand boosting policy on optimal inventory policy for imperfect lot size with backorder in fuzzy environment
    Autorzy:
    Yadav, D.
    Singh, S. R.
    Kumari, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/206244.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Badań Systemowych PAN
    Tematy:
    learning curve
    advertisement
    signed distance
    triangular fuzzy number
    backorder
    inventory model
    Opis:
    This paper investigates an Economic Order Quantity (EOQ) model with backorder by taking imprecise demand rate with dependence upon the frequency of advertisement. The formulated model also incorporates learning effects on percentage of defective items present in each lot. Due to imprecision in demand, the obtained profit function is fuzzy. To determine the optimal values, we determine the equivalent crisp profit function by applying the signed distance method. Optimal order quantity and backorder level are obtained by using algebraic method in place of differential calculus. A numerical example is used to study the behavior of the model with respect to different inventory parameters. All calculations are performed with MATLAB 7.4.
    Źródło:
    Control and Cybernetics; 2012, 41, 1; 191-212
    0324-8569
    Pojawia się w:
    Control and Cybernetics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Amended Adaptive Algorithm for Corpus Based Improved Speech Enhancement
    Autorzy:
    Priya, P. Shanmuga
    Nidhyananthan, S. Selva
    Kumari, R. Shantha Selva
    Powiązania:
    https://bibliotekanauki.pl/articles/226976.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    least mean square
    normalised least mean square
    amended normalised least mean square
    blind source separation
    Opis:
    Speech enhancement objective is to improve the noisy speech signals for human perception. The intention of speech enhancement algorithm is to improve the performance of the communication, when the signal is occluded by noise. The quality and intelligibility of speech is reduced because of the presence of background noise. There are various adaptive filtering algorithms for speech enhancement. The existing least mean square and normalised least mean square algorithms have the problem of choosing the step size that guarantees the stability of the algorithm. To overcome this problem, we focus on speech enhancement by amended adaptive filtering. The proposed algorithm follows blind source separation strategy using adaptive filtering. Comparison of existing adaptive filtering algorithms with proposed algorithm justifies the amendment incorporated in this paper. Taking the objective criteria into account the algorithms has been tested for segmental signal to noise ratio (SegSNR), segmental mean square error (SegMSE), signal to noise ratio and mean square error. The proposed algorithm can be used for hand-free cell phone, hearing aids and teleconferencing systems.
    Źródło:
    International Journal of Electronics and Telecommunications; 2019, 65, 3; 513-517
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    High Performance DIF-FFT Using Dissimilar Partitioned LUT Based Distributed Arithmetic
    Autorzy:
    Cheepurupalli, Kusma Kumari
    Charan, Muntha
    Rao, Jammu Bhaskara
    Noor, Mahammad S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2055270.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    fast Fourier transform
    adders
    distributed arithmetic
    DSP
    Opis:
    Real-time data processing systems utilize Digital Signal Processing (DSP) functions as the base modules. Most of the DSP functions involve the implementation of Fast Fourier Transform (FFT) to convert the signals from one domain to another domain. The major bottleneck of Decimation in frequency - Fast Fourier Transform (DIF-FFT) implementation lies in using a number of Multipliers. Distributed arithmetic (DA) is considered as one of the efficient techniques to implement DIF-FFT. In this approach, the multipliers are not used. The proposed technique exploits the very advantage of the look-up table by storing the Twiddle factors, thereby avoiding the multipliers required in the butterfly structure. DIF-FFT using Distributed Arithmetic (DIF-FFT DA) models, with different adders such as Ripple carry adder (RCA), Carry-lookahead adder (CLA), and Sklansky prefix graph adder, are proposed in this paper. The three proposed models are synthesized using Cadence 6.1 EDA tools with a 45nm CMOS technology. Compared to the traditional method, it is observed that the area is improved by 53.11%, 53.35%, and 50.15%, power is improved by 42.31%, 42.52%, and 40.39%, and delay is improved by 45.26%, 45.42%, 41.80%, respectively.
    Źródło:
    International Journal of Electronics and Telecommunications; 2021, 67, 4; 631--637
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatiotemporal variation of alkaline phosphatase activity in coastal waters off Trivandrum
    Autorzy:
    Shivaramu, M.S.
    Randive, A.K.
    Kumari, R.
    Gauns, M.
    Ponnapakkam, L.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/48698.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    phosphatase
    alkaline phosphatase
    chlorophyll a
    phytoplankton
    bacteria
    inorganic nutrient
    organic carbon
    aquatic environment
    spatial variation
    temporal variation
    Źródło:
    Oceanologia; 2019, 61, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Identifying monkeypox: do dental professionals have adequate knowledge and awareness?
    Autorzy:
    Kaur, A.
    Goel, R.
    Singh, R.
    Bhardwaj, A.
    Kumari, R.
    Gambhir, R.S.
    Powiązania:
    https://bibliotekanauki.pl/articles/28765560.pdf
    Data publikacji:
    2022
    Wydawca:
    Narodowy Instytut Zdrowia Publicznego. Państwowy Zakład Higieny
    Opis:
    Background. The emergence of monkeypox has presented a new challenge for health agencies around the globe. There is significant increase in the number of cases that too in non-endemic countries with more than 18000 cases reported worldwide. Objective. The present study was conducted to assess knowledge and awareness regarding monkeypox among dental professionals. Materials and Method. The present cross-sectional study among 410 subjects who were residing in a northern state of the country. Informed consent was obtained from all the subjects. Study sample was selected on the basis of Systematic random sampling methodology. A self-designed close-ended questionnaire written in English and verified by experts was utilized for the study. The questionnaire was delivered personally to study subjects to collect the required information. Chi-square test and ANOVA were used for statistical analysis. Results. One-fourth (24.8%) of the subjects never heard about monkeypox disease. Negative response was given by 44.8% of subjects regarding resemblance of monkeypox with small pox. Only 31.2% of subjects had knowledge regarding oral manifestations of the disease. High knowledge scores were reported by only 28% of subjects. Higher knowledge levels were significantly related to education level and working profile of study subjects. Online media (Internet) was preferred as the main source to obtain more information by 42.2 of subjects. Conclusion. There was low level of knowledge regarding monkeypox among study subjects. There is an urgent need for dental professionals to keep themselves updated with recent knowledge on new emerging infectious diseases.
    Źródło:
    Roczniki Państwowego Zakładu Higieny; 2022, 73, 3; 365-371
    0035-7715
    Pojawia się w:
    Roczniki Państwowego Zakładu Higieny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Toxicity of bisphenol a on humans: a review
    Autorzy:
    Preethi, S.
    Sandhya, K.
    Lebonah, D.E.
    Prasad, Ch.V.
    Sreedevi, B.
    Chandrasekhar, K.
    Kumari, J.P.
    Powiązania:
    https://bibliotekanauki.pl/articles/11618.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    Bisphenol A (BPA) is a plastic ingredient produced in large quantities for use primarily in the production of polycarbonate plastics and epoxy resins. The present review focused on different mechanisms of BPA on human health in enzymatic, androgenic, neurological, liver and reproductive systems. The review explained the influence of BPA on different stages of human life likely in foetal stage, children and adults stages. The review also concentrated on how to handle BPA, treatment, preventive measures against BPA exposure.
    Źródło:
    International Letters of Natural Sciences; 2014, 22
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-13 z 13

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