energy level disturbance

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• Disturbance (ecology) — Damages of storm Kyrill in Wittgenstein, Germany. In ecology, a disturbance is a temporary change in average environmental conditions that causes a pronounced change in an ecosystem. Outside disturbance forces often act quickly and with great… …   Wikipedia

• Deep-level transient spectroscopy — (DLTS) is an experimental tool for studying electrically active defects (known as charge carrier traps) in semiconductors. DLTS establishes fundamental defect parameters and measures their concentration in the material. Some of the parameters are …   Wikipedia

• Trophic level — First trophic level The plants in this image, and the algae and phytoplankton in the lake, are primary producers. They take nutrients from the soil or the water, and manufacture their own food by photosynthesis, using energy from the sun. The… …   Wikipedia

• List of energy abbreviations — This is a list of abbreviations found in the context of energy issues. Contents: 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y …   Wikipedia

• The Law of Conservation of Energy —     The Law of Conservation of Energy     † Catholic Encyclopedia ► The Law of Conservation of Energy     Amongst the gravest objections raised by the progress of modern science against Theism, the possibility of Miracles, free will, the… …   Catholic encyclopedia

• Leadership in Energy and Environmental Design — The Leadership in Energy and Environmental Design (LEED) Green Building Rating System, developed by the U.S. Green Building Council (USGBC), provides a suite of standards for environmentally sustainable construction. Since its inception in 1998,… …   Wikipedia

• Stèphano Sabetti — Infobox Scientist name = Dr. Stèphano Sabetti Dr. Stèphano Sabetti is a spiritual facilitator/mentor, eclectic writer and speaker on fundamental spiritual, philosophical, and psychological subjects. His subject matter includes such diverse topics …   Wikipedia

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• Perturbation theory (quantum mechanics) — In quantum mechanics, perturbation theory is a set of approximation schemes directly related to mathematical perturbation for describing a complicated quantum system in terms of a simpler one. The idea is to start with a simple system for which a …   Wikipedia

• Cyclogenesis — The initial frontal wave (or low pressure area) forms at the location of the red dot on the image. It is usually perpendicular (at a right angle) to the leaf like cloud formation (baroclinic leaf) seen on satellite during the early stage of… …   Wikipedia

• performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical.       The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …   Universalium