Threshold conditions of a distributed feedback (DFB) laser with a linearly chirped grating are investigated using a new and efficient method. DFB laser with chirped grating is found to have significant effects on the lasing characteristics. The coupled wave equations for these l…
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Naturally-occurring strains of Pasteurella multocida are atypically susceptible to hydrophobic antibiotics such as novobiocin, despite their typical gram-negative cell envelope ultrastructure. The goal of the present study was to develop a novobiocin resistance model system cons…
The ulttamafic and related lithologies of the Swat valley ophiolite lie along the Main Mantle Thrust (MMT) between the Kohistan island arc and Indo-Pakistan plate. The textural and mineralogical characteristics of the ultramafic rocks seem to be the result of a complex interplay…
The contaminant transport model, Method of Characteristics, was used to determine the groundwater flow velocity and rate of migration of trichloroethylene (TCE) in a shallow aquifer composed of alluvium and the underlying permeable sandstone bedrock and to test remedial options.…