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  1. No Access

    Article

    Second invariant for two-dimensional classical super systems

    Construction of superpotentials for two-dimensional classical super systems (forN > 2) is carried out. Some interesting potentials have been studied in their super form and also their integrability.

    S. C. Mishra, Roshan Lal, Veena Mishra in Pramana (2003)

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    Article

    57Fe Mössbauer spectroscopic study of (25−x)MnO–xZnO–15Fe2O3–60B2O3 glasses

    The 57Fe Mössbauer technique has been used to investigate the effect of zinc oxide substitution in (25 − x)MnO–xZnO–15Fe2O3–60B2O3 glass system (x = 0, 5, 10, 15 and 20 mol% of ZnO ). Mössbauer absorption spectra...

    Roshan Lal, S. P. Taneja, C. Wynter in Hyperfine Interactions (2006)

  3. No Access

    Chapter and Conference Paper

    57Fe Mössbauer spectroscopic study of (25−x)MnO-xZnO-15Fe2O3-60B2O3 glasses

    The 57Fe Mössbauer technique has been used to investigate the effect of zinc oxide substitution in (25-x)MnO-xZnO-15Fe2O3-60B2O3 glass system (x=0, 5, 10, 15 and 20 mol% of ZnO). Mössbauer absorption spectra for ...

    Roshan Lal, S. P. Taneja, C. Wynter in NASSAU 2006 (2007)

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    Article

    Drought management in sugarcane during pre-monsoon period

    A Field experiment was conducted during spring season of 2005–06, 2006–07 and 2007–08 to work out the agronomic practice for drought management of sugarcane during pre monsoon period. The treatments consisted ...

    Mehar Chand, Roshan Lal, Anil Khippal, Ran Singh, A. K. Narang in Sugar Tech (2010)

  5. No Access

    Chapter and Conference Paper

    Axially Symmetric Vibrations of Circular Sandwich Plates of Linearly Varying Thickness

    In this paper axisymmetric vibration of circular sandwich plates with honeycomb core of linearly varying thickness has been studied. The facings are of the same thickness and of the same material, are treated ...

    Rashmi Rani, Roshan Lal in Proceedings of the Third International Con… (2014)

  6. No Access

    Chapter and Conference Paper

    Buckling and Vibration of Non-Homogeneous Orthotropic Rectangular Plates with Variable Thickness Using DQM

    The present work analyzes the buckling and vibration behavior of non-homogeneous orthotropic rectangular plates of variable thickness and subjected to constant in-plane force along two opposite simply supporte...

    Renu Saini, Roshan Lal in Proceedings of the Second International Co… (2014)

  7. No Access

    Article

    Generalization of some polynomial inequalities not vanishing in a disk

    If $P(z) = \sum\limits_{\nu = 0}^n {c_\nu z^\nu } $ is a polynomial of degree n, then for |β| ≤ 1, it was proved i...

    Sunil Hans, Roshan Lal in Analysis Mathematica (2014)

  8. No Access

    Article

    Mode shapes and frequencies of radially symmetric vibrations of annular sandwich plates of variable thickness

    An analysis and numerical results of radially symmetric vibrations of annular sandwich plates with core of linearly varying thickness are presented. The face sheets are treated as membranes of constant thickne...

    Roshan Lal, Rashmi Rani in Acta Mechanica (2014)

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    Chapter and Conference Paper

    Buckling and Vibration of Functionally Graded Circular Plates Resting on Elastic Foundation

    The axisymmetric vibrations of functionally graded circular plates subjected to uniform in-plane force resting on elastic foundation have been analysed on the basis of classical plate theory. The material prop...

    Neha Ahlawat, Roshan Lal in Mathematical Analysis and its Applications (2015)

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    Chapter and Conference Paper

    Transverse Vibrations of Nonhomogeneous Rectangular Kirchhoff Plates of Variable Thickness

    In this paper the free transverse vibrations of nonhomogeneous rectangular Kirchhoff plates of linearly varying thickness along one direction have been studied using generalized differential quadrature method....

    Roshan Lal, Renu Saini in Mathematical Analysis and its Applications (2015)

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    Chapter and Conference Paper

    Radially Symmetric Vibrations of Exponentially Tapered Clamped Circular Sandwich Plate Using Harmonic Differential Quadrature Method

    In the present paper, axisymmetric vibrations of a circular sandwich plate with relatively stiff core of exponentially varying thickness have been investigated. The face sheets are treated as membranes of cons...

    Rashmi Rani, Roshan Lal in Mathematical Analysis and its Applications (2015)

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    Article

    Buckling and vibration analysis of non-homogeneous rectangular Kirchhoff plates resting on two-parameter foundation

    Effect of two parameter foundation has been analyzed on the transverse vibrations of non-homogeneous rectangular plates of uniform thickness when the two opposite edges are simply supported and these are subje...

    Roshan Lal, Renu Saini in Meccanica (2015)

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    Article

    On the use of GDQ for vibration characteristic of non-homogeneous orthotropic rectangular plates of bilinearly varying thickness

    The generalized differential quadrature (GDQ) method is used to analyze the effect of non-homogeneity, orthotropy, and thickness variation on the vibration characteristics of rectangular plates on the basis of...

    Roshan Lal, Renu Saini in Acta Mechanica (2015)

  14. No Access

    Article

    Axisymmetric vibrations of composite annular sandwich plates of quadratically varying thickness by harmonic differential quadrature method

    In the present paper, axisymmetric vibrations of annular sandwich plates with isotropic core and orthotropic face sheets have been studied using the harmonic differential quadrature (HDQ) method. The thickness...

    Roshan Lal, Rashmi Rani in Acta Mechanica (2015)

  15. No Access

    Chapter and Conference Paper

    Axisymmetric Vibrations of Variable Thickness Functionally Graded Clamped Circular Plate

    The axisymmetric vibrations of functionally graded clamped circular plate have been analysed on the basis of classical plate theory. The material properties, i.e. Young’s modulus and density vary continuously ...

    Neha Ahlawat, Roshan Lal in Proceedings of Fifth International Confere… (2016)

  16. No Access

    Article

    On the radially symmetric vibrations of circular sandwich plates with polar orthotropic facings and isotropic core of quadratically varying thickness by harmonic differential quadrature method

    In the present paper, analysis and numerical results are presented for free axisymmetric vibrations of circular sandwich plate with isotropic core and polar orthotropic face sheets employing harmonic different...

    Roshan Lal, Rashmi Rani in Meccanica (2016)

  17. No Access

    Chapter and Conference Paper

    Vision-Based Real-Time Human–Computer Interaction on Hand Gesture Recognition

    Gesture recognition technology has evolved greatly over the years. It is a field in language innovation and development with the aim of deciphering human motions by the use of certain algorithms. In this age o...

    Poorvika Singh Negi, Riya Pawar, Roshan Lal in Micro-Electronics and Telecommunication En… (2020)

  18. No Access

    Chapter and Conference Paper

    Brain Tumor Detection Using Image Processing Based on Anisotropic Filtration Techniques

    Whether it is common cold or something as big as a brain tumor, a timely detection of a disease goes a long way in curing of a disease or even the survival of the patient. There are just so much more options a...

    Aditya Garg, Aditya Bajaj in Micro-Electronics and Telecommunication Engineering (2020)

  19. No Access

    Living Reference Work Entry In depth

    Type of Soil Pollutant and Their Degradation: Methods and Challenges

    Soil pollution is everywhere and poses a serious threat to human and ecological health. Growing population pressure on natural resources beyond the recycling capacity of soil is creating soil pollution. Differ...

    M. L. Dotaniya, C. K. Dotaniya in Handbook of Nanomaterials and Nanocomposit…

  20. Article

    Open Access

    The Impact of a Laparoscopic Surgery Training Course in a Develo** Country

    Surgeons training junior colleagues to perform laparoscopic surgery find the ‘apprenticeship’ model of surgical training inadequate. Therefore, the use of training courses involving simulation have become an i...

    Esther Westwood, Balaram Malla, Jeremy Ward, Roshan Lal in World Journal of Surgery (2020)

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