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.
Larches are one example of a coniferous tree found in some of the coldest regions. Unusually for coniferous trees they are deciduous, that is they shed their leaves in winter. Coniferous trees such as cypresses, cedars and redwoods are found in warmer regions. Life on the forest floor. Even evergreen trees eventually shed their leaves and grow new ones.