Mathematics Department, Faculty of Science, Helwan University, P. O. Box 11795, Cairo, Egypt Mathematics Department, Faculty of Science, King Khalid University, Abha ...

According to Alfrey and Gurnee [1], heat exchange by conduction is proportional to the volume of the injected part. That is, it occurs more slowly in thick parts; in thin parts, cooling will take ...

Craft a custom Father’s Day apron with this free Top Dad SVG—because dad deserves something more exciting than another tie. ...