Over the past hundred years or so, X-rays have been used for diagnostic purposes. The use of X-rays for imaging purposes, however, exposes patients to ionizing radiation. The increasing use of X-ray in hospitals has made medical exposure an important source of radiation in the population collective dose (1, 2). Ionizing radiation has the ability to break apart biologically important molecules s...

Background: Osteoporosis is a multifactorial disease. Mutation in cystein-rich domain2 (CRD2) and domain3 (CRD3) of osteoprotegrin protein can prevent its interaction with receptor activator nuclear factor kappa beta (RANKL) ligand lead to osteoporosis. Objectives: This study aimed investigate the possible alteration exon2 gene encoding CRD2 CRD3 domains osteoporotic women Chahar Mahal va Bakht...

background and aims: brucellosis is one of the most important common diseases among man and livestock which are considered as the major problem in the health of the humans and livestock. the importance of this disease isn’t limited to its physical problems and consequences, but it is considered as a major challenge of economic development in most countries. the aim of this study was to evaluate...

the main rock mass classification systems make use of similar rock mass parameters. due to lack of comprehensive estimation systems, determining the real specifications of jointed rocks faces some difficulties. a vast number of parameters with various degrees of impact are involved in such definitions. combination impact of all the effective parameters is to be figured out in order to come up w...

abstract focusing on geographic and environmental factors, this article discusses recent recurring shifts in the mode of subsistence – from transhumant to sedentary pastoralism – observed among the bakhtiaris of central zagros. the article suggests that the evolutionary changes have been part of an adaptation strategy followed by bakhtiari communities in the face of new environmental conditions...

abstract cation exchange capacity (cec) is an important characteristic of soil in terms of nutrient and water holding capacities and contamination management. measurement of cec is laborious and time-consuming. therefore, cec estimation through other easily - measured properties is desirable. in this study, ptfs for estimation of cation exchange capacity from basic soil properties such as parti...