Abstract: The adsorption of a series of ethoxylated nonionic and anionic surfactant molecules at aqueous / air interface at different temperature ranges [298, 308, 318, 328 and…
Four Egyptian crude oil samples were collected from different oil fields located at Eastern and Western Deserts. Asphaltenes have been extracted and then characterized by X-ray diffraction and…
Units and dimensions, Introduction to vectors, Motion in straight line, Newton’s Laws of motion, work, energy and momentum, simple harmonic motion, elasticity, mechanics of…
Victors and vectors proprties, Vector and Scalar Quantities, Scalar or Dot Product and Cross
product, Components of a Vector and Unit Vectors Motionn in One Direction ,Motiotion in…
States of matter (liquid, crystalline & vitreous); Crystal structure of metals; Metallography (reflecting optical microscope, transmission electron - microscope) specimen preparations;…