air pollution in large cities is very important from health and economic points of views. in a city, air pollution has direct relationship with the topography, climate, population, economic situation and the degree of industrialization. therefore, for a survey about kerman's air pollution, 13 stations were chosen for determination of so2, no2 and co, and 14 stations to assess concentration of s...

biv is a well-known bovine immunosup-pressive cause, but its pathogenesis has not been well characterized. it seems that it is possible that cofactors such as co- infection with other bovine viral pathogens may play a role in enhancing the pathogenesis of biv infection; bvdv also has immunosuppressive effects. objective: the aim of this study was determination of possible correlation between bi...

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The methanol extract of kirinyuh leaves ( Chromolaena odorata (L). R.M.King & H.Rob. ) is able to inhibit the growth gram-positive Staphylococcus aureus so that it has potential as an active substance for hand washing soap. In this study, liquid soap was made with a concentration 0.01% leaf using base gelling agent Carbopol. optimum Carbopol viscosity 2217 cPs 0.6%. preparation analyzed inc...

in this paper, a new molecular-structure descriptor, the general sum–connectivity co–index  is considered, which generalizes the first zagreb co–index and the general sum–connectivity index of graph theory. we mainly explore the lower and upper bounds in termsof the order and size for this new invariant. additionally, the nordhaus–gaddum–type resultis also represented.

this is a descriptive survey to define the incidence of co-existing disease in patients undergoing eye surgery before   anesthesia in hospitals of the ministry of health and education in 1993.   in this survey 2000 patients ' records have been studied who were admitted 10 the hospitals. collecting of data   was done by checklist that contained questions about the condition of the heart and...