marine environment of the caspian sea, due to extensive human exploitation and discharge of large magnitudes of urban, industrial and agricultural waste, is under extensive pressure and human wastes threaten marine life and ecosystem of the sea. therefore, there is a substantial need for a good understanding of physical and chemical characteristics of the caspian waters. however, the data avail...

Background: Skin diseases in the pediatric population are common worldwide, including rural and urban areas. There is a variation in the pattern and presentation of dermatoses, with eczemas being the most common skin disorder in developed countries and infestations in the developing countries. To study pattern, age-gender wise distribution and seasonal variations of various ped...

Seasons are the complex nonlinear response of the physical climate system to regular annual solar forcing. There is no a priori reason why they should remain fixed/invariant from year to year, as is often assumed in climate studies when extracting the seasonal component. The widely used econometric variant of Census Method II Seasonal Adjustment Program (X-11), which allows for year-to-year var...