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Schistosomiasis remains a public health problem in the developing world. Biomplaraia alexandrina snails are the intermediate host of Schistosoma mansoni with wide spread distribution allover Egypt. Controlling of these snails by molluscicides is still one of the most promising means in the battle against this parasitic disease. In the present study, results indicated that the three herbicides (Amex 48%EC, Herphosate 48%SL and Stomp 50%EC) have molluscicidal effects on these snails and showed that stomp 50%EC is the most toxic herbicide than the other two. The three herbicides had a fast toxic...

Environmental pollution is a major problem in developing countries like Egypt. Reuse of waste polymers is considered an attractive solution for environmental white pollution and reducing of the costs of road pavement and maintenance. This work show that how to prepare environmentally friendly hot mix asphalt (HMA) for paving. The prepared mixes consisted of high absorptive aggregate (not used in road paving), marble powder (discarded from workshops and factories) and waste polymers (as asphalt modifiers). To achieve this aim, asphalt cement of penetration grade 60/70 was modified with a...