background: the aim of this study was to evaluate the physical and chemical quality of groundwater in the villages of qom province during summer 2014, and to compare the results with iran’s standard no. 1053. methods: this research is a descriptive sectional study. during the investigation, one step sampling with the necessary repetitions (if necessary) was performed of each well for evaluation...

mesophilic bacteria, fungi and actinomycetes varied during composting cycles with high numbers in the initial and final cycles with maximal values in compost c and d, and sharply decreased in the heating cycles. staphylococcus aureus and bacillus subtilis were dominated at the initial composting cycle. whereas, at maturity bacillus subtilis was the major followed by b.badies, b.polymixa and b.b...

raw cane sugar is one of the most important product in the sugar industry and is the main raw material for the white sugar production. morphological and physical properties of this product might influence the final white sugar. for instance, the behavior during centrifugation, transport and storage is related to the characteristics of these crystals. the object of this study was to determine th...

Desmostylia is a clade of marine mammals belonging to either Tethytheria or Perissodactyla. Rich fossil records of Desmostylia were found in the Oligocene to Miocene strata of the Northern Pacific Rim, especially in the northwestern region, which includes the Japanese archipelago. Fossils in many shapes and forms, including whole or partial skeletons, skulls, teeth, and fragmentary bones have b...