Home Theatre Package A friendly synthetic rout for a new crown-ether was developed in this short communication.The method in question was able to produce the desirable product in high yields (up to 80%), even after some purification steps.The crown-ether, named DB18C4 (Dibenzo-18-crown-4) was fully characterized by different spectroscopic and spect
This paper presents experimental and numerical studies of the vertical stress distribution beneath the centerline of circular footings resting on sand.Vertical stress values due to circular load in medium-dense sand were measured using soil Coal Bucket stress transducers.Reduced-scale laboratory model tests were carried out in a square-shaped test
Introduction The use of games and game elements as teaching tools has received increasing attention in the medical education literature.Used formatively, games promote student engagement and satisfaction, and encourage collaboration and teamwork among students.They may also help students retain knowledge, although research supporting this notion is