Vinay Sagar Verma

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In the present study, several new 1,3,4-oxadiazole derivatives linked with quinazolin-4-one moiety were synthesized by following steps. 2-methyl -4H-3, 1-benzoxazin-4-one, and 2-phenyl -4H-3, 1-benzoxazin-4-one were synthesized in the first and second step by stirring anthranilic acid in pyridine with benzoyl chloride and with an acetic anhydride for 30 min(More)
A nonlinear delayed mathematical model with immigration for the spread of an infectious disease cholera with carriers in the environment is proposed and analyzed. It is assumed that all susceptible are affected by carrier population density. The carrier population density is assumed to follow the logistic model and grows due to conducive human population(More)
Ballistic Trajectory Computation Program is a part of weapon delivery system and it is responsible for accurate delivery of the weapon. Mach number (M) and Coefficient of drag (Cd) are critical parameters in external Ballistic computation and are used in computation of Impact Point. Cd Vs M relation is not available in a functional form. These data are(More)
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