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When an excited electron falls back to a state of lower energy, it undergoes electron relaxation (deexcitation [4]). This is accompanied by the emission of a photon (radiative relaxation/spontaneous emission) or by a transfer of energy to another particle. The energy released is equal to the difference in energy levels between the electron ...
Thesaurus Linguae Latinae. A modern english thesaurus. A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms ...
The photoexcitation causes the electrons in atoms to go to an excited state. The moment the amount of atoms in the excited state is higher than the amount in the normal ground state, the population inversion occurs. The inversion, like the one caused with germanium, makes it possible for materials to act as lasers. Photochromic applications.
A thesaurus or synonym dictionary lists similar or related words; these are often, but not always, synonyms. [15] The word poecilonym is a rare synonym of the word synonym. It is not entered in most major dictionaries and is a curiosity or piece of trivia for being an autological word because of its meta quality as a synonym of synonym.
The distinction between maximum directivity and standard directivity is subtle. However, one can infer that, if an antenna [aperture] were excited [illuminated] uniformly with no phase difference (equiphase) over the entire aperture, then the illumination efficiency would be equal to unity.
Cesar Millan is sharing tips on how to keep your pet calm when guests come over. The dog behaviorist recently sat down for an exclusive interview with PureWow to promote the Halo Collar.
Over the past 40 years, it's clear more protection is very popular. Between 1981 and 1994, the US restricted imports of automobiles from Japan and that ultimately had two consequences. One, it ...
The word ratchet has been used by celebrity women of color globally. These artists include Megan Thee Stallion, Lizzo, Cardi B, City Girls , Taraji P. Henson , and Spain's La Zowi . [ 10 ] In reference to Tamar Braxton 's reality show, Theri A. Pickens says that "ratchet" has also been seen as "a performative strategy that secures a liberatory ...