INTRODUCTION In volleyball, in order for a serve to be effective it must be difficult for the opposition to receive, and therefore pass to a teammate. This can be achieved by optimizing the parameters that limit the amount of time a receiver has to react to the ball or by executing a serve that has an unpredictable trajectory. A serve that meets both these criteria is the jump float serve, and ...

OBJECTIVES To assess if a change in our cardiology fellowship program impacted our ST elevation myocardial infarction (STEMI) program. BACKGROUND Fellows covering the cardiac care unit were spending excessive hours in the hospital while on call, resulting in increased duty hours violations. A night float fellow system was started on July 1, 2012, allowing the cardiac care unit fellow to sign ...

construction of asphaltic core dams is a relatively novel method especially in iran. iran is located in a region with high seismicity risk. therefore, many researchers have focused on the behavior of such types of dams under earthquake loading. in this research, the behavior of asphaltic core rockfill dams (acrd) has been studied under earthquake loading using nonlinear dynamic analysis method ...

an earthquake was happened on 23 october 2011 in van, turkey (mw7.2) at the eastern most area of anatolian plateau and in the neighborhood of iranian border (west azerbaijan province). the study was performed based on field and office observations and has been focused on the process of disaster management in turkey after the 23 october 2011 earthquake. we surveyed the quake from the view point ...