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.
For the family commonly called euphorbias, see Euphorbiaceae. Euphorbia (spurge) is a very large and diverse genus of flowering plants in the spurge family (Euphorbiaceae).Sometimes in ordinary English, euphorbia is used to refer to the entire Euphorbiaceae family (as the type genus), not just to members of the genus.uphorbia obesa. Several spurges are grown as garden plants, among them Poinsettia (E. pulcherrima) and the succulent E. trigona. E. pekinensis (Chinese: å¤§æ; pinyin: dajÇ) dÃ jÇ is used in Traditional chinese, medicine where it is regarded as one of the 50 fundamental. herbs