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Wyszukujesz frazę "Geetha, G." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Synthesis and effects of substituent on (E)-styryl-3-methyl-2-thienyl chalcones
    Autorzy:
    Christuraj, P.
    Geetha, C.
    Vanangamudi, G.
    Arulkumaran, R.
    Manikandan, V.
    Rajakumar, P. R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1161056.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-ones
    FT-IR & NMR spectra
    Fly-ash:H3PO4 nanocatalyst
    Hammett correlation analysis
    Substituent effects
    UV
    solvent-free synthesis
    Opis:
    Series of eleven substituted of (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-ones compounds by cross-aldol condensation reaction of 3-methylthiophene-2-carbaldehyde with various substituted acetaldehyde in the occurrence of Fly-Ash: H3PO4 catalyst. The effect of catalytic activity of this fly-ash:H3PO4 nanocatalyst was studied with the obtained yield of products under solvent-free conditions. The synthesized substituted (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-one compounds was characterized by physical constants, UV, FT-IR, 1H & 13C-NMR spectral data. The infrared group frequencies of ʋ(cm-1) of COs-cis & s-trans, CHip and CHop, CH=CHop, >C=C
    Źródło:
    World Scientific News; 2018, 112; 55-73
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectral Hammett correlation analysis of some (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds
    Autorzy:
    Christuraj, P.
    Rajakumar, P. R.
    Geetha, C.
    Vanangamudi, G.
    Arulkumran, R.
    Manikandan, V.
    Sundararajan, R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1179576.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-ones
    FT-IR and NMR spectra
    Hammett correlation analysis
    Substituent constants
    Substituent effects
    UV
    Opis:
    A series of substituted of (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds by cross-aldol condensation reaction of 5-bromothiophene-2-carbaldehyde with various substituted acetaldehyde in the presence sodium hydroxide (base). The synthesized substituted (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds was characterized by physical constants, UV, FT-IR, 1H & 13C-NMR spectral data. The group frequencies of infrared ʋ(cm-1) of CO s-cis and s-trans, CH in-plane and out of plane, CH=CH out of plane, >C=C< out of plane modes, NMR chemical shifts δ (ppm) of Hα, Hβ, CO, Cα and Cβ of these chalcones were correlated with Hammett substituent constants, F and R parameters using single and multi-regression analyses.
    Źródło:
    World Scientific News; 2017, 74; 15-35
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Brewing Heterogeneous Devices for Monitoring Cerebrovascular Oxygenation
    Autorzy:
    Geetha, G.
    Geethalakshmi, S. N.
    Mathivadhani, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193588.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Anoxia
    Hypoxia
    Internet of Things (IoT)
    Pbto2
    Traumatic Brain Injury (TBI)
    Wearable devices
    Opis:
    Technologies encumbering Wireless Sensor Network with its effulgence and ubiquity in Sensing plays a dominant role in Health care industry and Health monitoring System. Impeccable blending of Actuators and networking them for a viable communication across varied platforms paves gateway for triumphant IoT solution. IoT plays a predominant role in revitalizing the healthcare sector with appendages of several smart devices deliberated to facilitate medicos, surgeons and subjects to monitor each and every aspect of their health. Customary health checkups allow patients to distinguish health issues sooner and get treatment accordingly. IoT offers a cost effective solution adjunct with a timely intervention.
    Źródło:
    World Scientific News; 2016, 41; 275-280
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Noninvasive blood glucose level monitoring for predicting insulin infusion rate using multivariate data
    Autorzy:
    Geetha, G.
    Ponsam, J. Godwin
    Nimala, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/38709458.pdf
    Data publikacji:
    2024
    Wydawca:
    Instytut Podstawowych Problemów Techniki PAN
    Tematy:
    CGM
    fog computing
    hypoglycemia
    hyperglycemia
    Apriori algorithm
    obliczenie mgły
    hipoglikemia
    hiperglikemia
    Algorytm Apriori
    Opis:
    Diabetes stands as the most widely recognized acute disease globally, resulting in death when it is not treated in an appropriate manner and time. We have developed a closedloop control system that uses continuous glucose, carbohydrate, and physiological variable data to regulate glucose levels and treat hyperglycemia and hypoglycemia, as well as a hypoglycemia early warning module. Overall, the proposed models are effective at predicting a normal glycemic range from >70 to 180 mg/dl, hypoglycemic values of <70 mg/dl, and hyperglycemic value of 180 mg/dl blood sugar levels. We undertook a seven-day, day-and-night home study with 15 adults. Initially, we started with checking insulin levels after meal consumption, and later, we concentrated on how our system reacted to the physical activity of the patients. Evaluation was conducted based on performance parameters such as precision (0.87), recall (0.87), F-score (0.82), delay (26.5±3), and error size (1.14±2).
    Źródło:
    Computer Assisted Methods in Engineering and Science; 2024, 31, 2; 157-174
    2299-3649
    Pojawia się w:
    Computer Assisted Methods in Engineering and Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and Characterization of Manganese Sulphide Thin Films by Chemical Bath Deposition Method
    Autorzy:
    Geetha, G.
    Murugasen, P.
    Sagadevan, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030049.pdf
    Data publikacji:
    2017-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    MnS thin films
    XRD
    SEM
    dielectric studies
    Opis:
    Manganese sulphide (MnS) thin films were prepared by chemical bath deposition method. X-ray diffraction analysis was used to study the structure and the crystallite size of MnS thin films. The grain size and the surface morphology were studied using scanning electron microscopy. The optical properties were studied using the UV-visible absorption spectrum. The dielectric properties of MnS thin films were studied for different frequencies and different temperatures. Further, electronic properties, such as valence electron plasma energy, average energy gap or the Penn gap, the Fermi energy and electronic polarizability of the MnS thin films were calculated. The ac electrical conductivity study revealed that the conduction depended both on the frequency and the temperature. The temperature dependent conductivity study confirmed the semiconducting nature of the films.
    Źródło:
    Acta Physica Polonica A; 2017, 132, 4; 1221-1226
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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