Ultrasonic testing is a versatile and important nondestructive testing method. In many industrial applications, ultrasonic testing is carried out at relatively high temperatures. Since the ultrasonic w...

Background & Objective: Concentration of low-density lipoprotein (LDL) is a known risk factor for cardiovascular disease which is r...

Background Mortality is one of the indicators of community health and reflects the social, economic and environmental status of the residence of people. In this regard, countries in the Eastern Mediterranean Region (EMR) have many problems. Therefore, this study was con...

Background There are contradictory results regarding association between maternal HIV infection and neonatal adverse outcomes. Therefore, in this study the neonates born from HIV-positive mothers compared with HIV-negative mothers were assessed in Tehran, Iran.<b...

Background Physical activity in students in addition to positively affecting their different health aspects is also effective in academic progress and reducing absence from school. Physical activity in students is affected by several factors. The aim of this systematic ...

 Ab initio calculations were employed to investigate nitrogen inversion as a configuration change that can supply an infinitely useful switchable control mechanism for some <span style="letter-sp...