The article presents a practical technique for enhancing thermo-hydraulic performance of a circular tube. In this way, numerical method focusing on laminar tubular flow is used to compare the effectiveness of utilizing center-cleared twisted tapes instead of typical shape of short width tapes. Numerical analysis represented that using both center-cleared and typical shape of twisted tapes, Re e...

background: the provision of accurate and timely drug information to health care professionals is an important mechanism to promote safe and effective drug therapy for patients. world’s drug and poison information centers (dpics) are mainly affiliated to hospitals, rather rarely with faculties of pharmacy or with faculties of medicine and other related organizations. methods: data was collected...

The Evaluation of Current Conditions of Schools in Tehran in terms of Counterproductive Behaviors of Teachers S. Hosainpoor Toolaazdehi H.R. Zainaabaadi, Ph.D. A. Alimardaani F. Kord Firoozjaaee To evaluate the current conditions of schools in Tehran in terms of counterproductive behaviors of teachers initially a number of teachers and experts were interviewed from which a set of...

science, access to the universities has never been restricted. Private universities are almost unknown in Germany; all others are funded and controlled by the states (16 states form the Federal Republic of Germany) in which they are located. Students don't have to pay anything but some minor fees for insurance etc. Though there are certainly differences in quality between the universities, thes...

abstract: introduction & objective: teaching human anatomy, at any level, relies not only on the expertise of a tutor but also on the availability and use of good teaching aids. plastination specimens have a unique position as a teaching aid to exhibit accurate anatomical structures and are easy to be stored and handled by students. the aim of this study was to assess the comparative use of pol...

This paper presents a control strategy that secures both precision and manipulation sensitivity of remote center motion with direct teaching for surgical assistant robot. Remote is an essential function conventional laparoscopic surgery, the most intuitive way surgeon manipulates robot through teaching. The must maintain position insertion port in three-dimensional space during four-degree-of-f...