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.
Coniferous Trees. Coniferous trees are often referred to as evergreens, and the name is associated with trees that have needles instead of broad, flat leaves. Although this is true in many cases, it isn't always true. A coniferous tree is any tree that reproduces via cones.ome coniferous trees are also deciduous. Some, such as larch and tamarack (Larix spp.), have needles and cones but also lose their leaves in the fall. These trees typically grow wild in U.S. Department of Agriculture plant hardiness zones 2 through 6.