remains of fossil herbivorous mammal from families like elephantidae, rhinocerotidae, giraffidae, bovidae and equidae have been studied systematically from a new fossiliferous horizon from the ilkhchi area in the southeastern high foothills of sahand. genera such as hipparion, gazella, samotherium, chilotherium and choerolophodon and some undetermined specimens are identified and reported. base...

Various methods are used to prevent the deterioration of biotechnological properties brewer’s yeast during storage. This paper studied use artificial neural networks for mathematical modeling correcting biosynthetic activity seed C34 race storage with natural minerals. The input parameters were suspending medium (water, beer wort, or young beer); type zeolite-containing tuff from Siberian depos...

Abstract At Liang Bua, the type site of Homo floresiensis on Indonesian island Flores, stone artefact assemblages are dominated by two raw materials, qualitatively classified as chert and silicified tuff in previous studies. Field observations describe both types locally abundant good flaking quality, but no systematic analysis has yet been carried out to characterise their nature. In this stud...