Search Results - "John, Beena Mary"

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  1. 1
    Copper Doped Methylene Blue Sensitized Poly(vinyl alcohol)–Acrylamide Films for Stable Diffraction Efficiency

    Copper Doped Methylene Blue Sensitized Poly(vinyl alcohol)–Acrylamide Films for Stable Diffraction Efficiency by John, Beena Mary, Joseph, Rani, Sreekumar, K., Kartha, C. Sudha

    Published in Japanese Journal of Applied Physics (01-11-2006)
    “…Copper doped methylene blue sensitized poly(vinyl alcohol) (MBPVA)–acrylamide films were fabricated to improve the storage life of recorded gratings. The films…”
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  2. 2
    Wave attenuation characteristics of simulated heterogeneous vegetation

    Wave attenuation characteristics of simulated heterogeneous vegetation by John, Beena Mary, Shirlal, Kiran G., Rao, Subba

    Published in Current science (Bangalore) (25-10-2020)
    “…Vegetated coastal ecosystems often coexist as diverse seascapes, well connected to each other by various biological, chemical and physical processes. It is of…”
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  3. 3
    Reusable recording medium based on MBPVA and vinyl acetate

    Reusable recording medium based on MBPVA and vinyl acetate by Mary John, Beena, Ushamani, M., Joseph, Rani, Sreekumar, K., Sudha Kartha, C.

    Published in Journal of modern optics (15-02-2006)
    “…A new photopolymerizable recording media is introduced based on poly (vinyl alcohol) and vinyl acetate sensitized with methylene blue. It is observed that this…”
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  4. 4
    Laboratory investigations of wave attenuation by simulated vegetation of varying densities

    Laboratory investigations of wave attenuation by simulated vegetation of varying densities by John, Beena Mary, Shirlal, Kiran G., Rao, Subba

    Published in ISH journal of hydraulic engineering (04-05-2019)
    “…Coastal communities across the world are facing the need to adapt to rising sea levels, an increase in the frequency of natural hazards like storm surges,…”
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  5. 5
    Numerical Model of a Multi-layer Shock and Vibration Isolator

    Numerical Model of a Multi-layer Shock and Vibration Isolator by Akram, P. A., John, Beena Mary, Madathil, Teresa Siby, Shija, C., Abhirami, Prakasan, Mathiazhagan, A., Tide, P. S., Ebenezer, D. D.

    Published in OCEANS 2022 - Chennai (21-02-2022)
    “…Isolators are used on-board marine platforms to reduce the underwater radiated noise, protect the equipment mounted on them from underwater explosions, and to…”
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  6. 6
    Effect of chromium doping on the diffraction efficiency of methylene blue sensitized PVA/acrylamide films

    Effect of chromium doping on the diffraction efficiency of methylene blue sensitized PVA/acrylamide films by John, Beena Mary, Joseph, Rani, Sreekumar, K., Kartha, C. Sudha

    “…The effect of chromium doping on methylene blue sensitized Poly (vinyl alcohol)/Acrylamide was carried out by varying the ratios of Ammonium dichromate and…”
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