However, diffusion needs not always be along the concentration gradient. For example, in the. alloy systems that contain a miscibility gap, the free energy curve can have a negative curvature. at low temperature, as shown below in Case 2.
Spur Meaning and Definition. ( 1 n.) The track of an animal, as an otter; a spoor. ( 2 n.) A branch of a vein. ( 3 n.) A wall that crosses a part of a rampart and joins to an inner wall. ( 4 n.) A sparrow. ( 5 n.) One of the large or principal roots of a tree.
Western-style cowboy spurs with rowels, chap guards and buttons for the spur straps. A spur is a metal tool designed to be worn in pairs on the heels of riding boots for the purpose of directing a horse to move forward or laterally while riding. It is usually used to refine the riding aids (commands) and to back up the natural aids (the leg, seat, hands and voice).