surface waters, especially natural rivers always act as receiving waters for various kinds oforganic contaminants from municipal and industrial wastewaters, agricultural activities, organic chemicals inuse, non-point source pollutions. due to their toxicity, persistency and wide diffusion, polychlorinatedbiphenyls (pcbs), pesticides, phthalates, polycyclic aromatic hydrocarbons (pah) and their ...

The water status of fruit and nut crops is critical to the high productivity, quality value these crops. Water often estimated managed with indirect measurements soil moisture models evapotranspiration. However, cultivated trees vines have characteristics associated cultural practices that complicate such methods, particularly variable discontinuous canopies, extensive but low-density, root sys...

Adiabatic mixed quantum/classical (MQC) molecular dynamics (MD) simulations were used to generate snapshots of the hydrated electron in liquid water at 300 K. Water cluster anions that include two complete solvation shells centered on the hydrated electron were extracted from the MQC MD simulations and embedded in a roughly 18 Å x 18 Å x 18 Å matrix of fractional point charges designed to repre...

Hilsa shad (Tenualosa ilisha) is an anadromous species which has reproductive migration from the Persian Gulf to the river. Morphological properties and histological changes in oocyte of Hilsa shad in two different environments (salt water and fresh water in Khuzestan province) were studied with respect to its reproductive cycle. Twenty fish samples with average weight of 830.75±3.25 ...