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The phases are classified on the basis of geometry alone. While the problem of packing spheres of equal size has been well-studied since Gauss, Laves phases are the result of his investigations into packing spheres of two sizes. Laves phases fall into three Strukturbericht types: cubic MgCu 2 (C15), hexagonal MgZn 2 (C14), and hexagonal MgNi 2 ...
The "Triple A" model for planning arranges a lesson in a sequence of activating learning, acquiring new learning, and applying the learning. While there are many formats for a lesson plan, most lesson plans contain some or all of these elements, typically in this order:
In thermal equilibrium, each phase (i.e. liquid, solid etc.) of physical matter comes to an end at a transitional point, or spatial interface, called a phase boundary, due to the immiscibility of the matter with the matter on the other side of the boundary. This immiscibility is due to at least one difference between the two substances ...
In thermodynamics, the phase rule is a general principle governing multi-component, multi-phase systems in thermodynamic equilibrium.For a system without chemical reactions, it relates the number of freely varying intensive properties (F) to the number of components (C), the number of phases (P), and number of ways of performing work on the system (N): [1] [2] [3]: 123–125
[1] [2]: 86 [3]: 3 Examples of physical properties include density, index of refraction, magnetization and chemical composition. The term phase is sometimes used as a synonym for state of matter , but there can be several immiscible phases of the same state of matter (as where oil and water separate into distinct phases, both in the liquid state).
Strange matter: A type of quark matter that may exist inside some neutron stars close to the Tolman–Oppenheimer–Volkoff limit (approximately 2–3 solar masses). May be stable at lower energy states once formed. Quark matter: Hypothetical phases of matter whose degrees of freedom include quarks and gluons Color-glass condensate