gradient energy

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• Energy minimization — (energy optimization) methods are common techniques to compute the equilibrium configuration of molecules. The basic idea is that a stable state of a molecular system should correspond to a local minimum of their potential energy. This kind of… …   Wikipedia

• Energy harvesting — (also known as Power harvesting or energy scavenging ) is the process by which energy is captured and stored. Frequently this term is applied when speaking about small autonomous devices, like those used in sensor networks. A variety of different …   Wikipedia

• Energy recovery ventilation — is the process of exchanging the energy contained in normally exhausted building or space air and using it to treat the incoming outdoor ventilation air in residential and commercial HVAC systems. The benefit of using energy recovery is the… …   Wikipedia

• Gradient noise — is a type of noise commonly used as a procedural texture primitive in computer graphics. It is conceptually different, and often confused with value noise. This method consists of a creation of a lattice of random gradients, which are then… …   Wikipedia

• Salt gradient solar ponds —   These consist of three main layers. The top layer is near ambient and has low salt content. The bottom layer is hot, typically 160° F to 212° F (71° C to 100° C), and is very salty. The important gradient zone separates these zones. The… …   Energy terms

• Salt Gradient Solar Ponds —   Consist of three main layers. The top layer is near ambient and has low salt content. The bottom layer is hot, typically 160 F to 212 F (71 C to 100 C), and is very salty. The important gradient zone separates these zones. The gradient zone… …   Energy terms

• Energy density — For energy density in the sense of energy per unit mass, see specific energy. For energy density of foods, see specific energy. Energy density is a term used for the amount of energy stored in a given system or region of space per unit volume.… …   Wikipedia

• Energy (esotericism) — This article is about spiritual energy. For other uses, see Energy (disambiguation). Subtle energy redirects here. For the mystical concept of psychospiritual bodies overlaying the physical body, see Subtle body. Spiritual practices and ideas… …   Wikipedia

• Ocean thermal gradient — (OTG)   Temperature differences between deep and surface water. Deep water is likely to be 25 to 45 degrees Fahrenheit colder. The term also refers to experimental technology that could use the temperature differences as a means to produce energy …   Energy terms

• Geothermal gradient —   The change in the earth s temperature with depth. As one goes deeper, the earth becomes hotter.   California Energy Comission. Dictionary of Energy Terms …   Energy terms

• Electrochemical gradient — An electrochemical gradient is a spatial variation of both electrical potential and chemical concentration across a membrane; that is, a combination of the membrane potential (delta psi) and the pH gradient (delta pH). Both components are often… …   Wikipedia