Abstract Metropolitan cities worldwide face a persistent and evolving challenge in managing smog and air pollution, phenomena with profound implications for public health, environmental integrity,and economic stability. This paper presents a comprehensive analysis of urban air quality, systematically integrating principles from physics, engineering science, and mechanical engineering to elucidate the formation, dispersion, and control of pollutants. Beginning with a historical perspective...
ABSTRACT The study evaluated the ability of the larger grain borer (LGB), Prostephanus truncatus (Horn) to infest and damage two varieties of sorghum (Sorghum bicolour), Sesame (Sesamum indicum) Cowpea (Vigna unguiculata) and maize (Zea mays). 100 g each of the grain products were infested with 5 pairs (5 males and 5 females) of 1-10 day old LGB for 90 days. At 90 days post-infestation of the crops, the insects and grain dust generated by the feeding activities of the insects were sieved out...