the effect of fire was investigated on some soil chemical properties of forest area of baghe shadi herat- yazd province. to perform the experiment, 18 profiles of soil in control area and 7 profiles from each of burned areas were dug and samples of two depth (0-15 and 15-30) in total of 64 samples were collected. results showed effect of the area was significant in organic matter and carbon per...

What are they? In human health it is generally the case that the more people studied, and the longer the surveillance of them, the greater the number of new occurrences of any specified condition there are likely to be. This is because of the increase in total time ‘at risk’ of having an event, that is, the increased persons-and-time of observation. A rate is an arithmetic way of quantifying th...

this study adopted a survey research strategy to examine the impact of servant leadership and its dimensions on team effectiveness and trust in teams. the servant leadership, a new model of leadership, in recent years has been an area of interest to researchers and administrative staff. furthermore, institutions of higher education in the third millennium, need to maintain and increase the reli...

background: although many efforts made for the advancement of medical science, it is distributed inequitably despite of all existing financial and human resources facilities. children as the most important and vulnerable groups of society are influenced by these inequities. the objective of this study is comparison of children health indices in rich and poor rural zones in mashhad/iran. methods...

conclusion our findings support prone positioning for premature infants. therefore, it is advisable to nicu staff that if there is no obstacle for changing the infant’s position, prone position in infants with respiratory complications during receiving n-cpap in nicu can be useful. regarding the fact that prone position is a risk factor for sudden infant death syndrome , prone position should b...

beginning of the safavidempire, ie, the reign of ismail and tahmasp was the era of prosperity and development of calligraphy in iran. this era can be divided into three periods of approximately equal length. the first was a period of transition from timurid herat to safavid tabriz. the second period, which coincided with the first years of the reign of tahmasp and his interest in art of the boo...

BACKGROUND Women's delays in reaching emergency obstetric care (EmOC) facilities contribute to high maternal and perinatal mortality and morbidity in low-income countries, yet few studies have quantified travel times to EmOC and examined delays systematically. We defined a delay as the difference between a woman's travel time to EmOC and the optimal travel time under the best case scenario. The...

the present study aimed to assess changes in resting and maximum heart rates as primary indicators of cardiac autonomic function in metabolic syndrome (mets) patients and to determine their value for discriminating mets from non-mets. 468 participants were enrolled in this cross-sectional study and assessed according to the updated adult treatment panel iii (atp-iii) definition of mets. resting...