The primary objective of this work is to categorize the available fly ashes in different parts of the world into distinct groups based on its compos i t iona l a ttributes. Kohonen’s selforganizing feature map and radial basis function networks are utilized for the classification of fly ashes in terms of its chemical parameters. The basic procedure of the methodology consists of three stages: (...

Rheumatic heart disease (RHD) is an acquired with valve disorder that persists due to previous acute rheumatic fever, mainly affecting the mitral (75%), aorta (25%), rarely tricuspid valve, and never valves lungs. A 52-year-old male patient, domiciled in Mutiara (Alue Awe) Lhokseumawe City, Indonesia. Come for outpatient treatment at Polyclinic of Cut Meutia Hospital. Patients are who routinely...

In the published publication [...]