Photochromism meaning
WebPhotochromic materials, a class to which bacteriorhodopsin (BR) belongs, have not been used much in holography. Photochromics are real-time recyclable materials which need … Webphotochromism photochromism (English) Noun photochromism (countable and uncountable; pl. photochromisms) The reversible transformation of the optical properties of a material when exposed to electromagnetic radiation, especially the reversible darkening of a plastic lens when exposed to sunlight. Translations
Photochromism meaning
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WebMay 1, 2008 · Undergraduates get to see photochromic effect from an industrial perspective by using commercial dyes in a range of experiments. The practical described here demonstrates the commercial exploitation of synthetic organic chemistry in a specific application, ie photochromism. This depends on the ability of chemists to control the … Webphotochromism (countable and uncountable, plural photochromisms) The reversible transformation of the optical properties of a material when exposed to electromagnetic …
WebDefine photochromism. photochromism synonyms, photochromism pronunciation, photochromism translation, English dictionary definition of photochromism. adj. Of or relating to a substance or object whose color changes on exposure to light: photochromatic glasses that darken in sunlight. pho′to·chro′mism n.... WebAug 31, 2024 · The results of studies on negative photochromism of compounds and systems have been analyzed for the first time. It has been shown that the majority of studies deal with photochromic spiro compounds (spiropyrans and spirooxazines) whose negative photochromism is caused mainly by molecular structure, polarity and acidity of the …
WebThe meaning of PHOTOCHROMIC is capable of changing color on exposure to radiant energy (such as light). How to use photochromic in a sentence. ... photochromism-ˌmiz-əm . noun. photochromic. 2 of 2 noun: a photochromic substance WebFeb 27, 2024 · Photochromic lenses are eyeglass lenses that are clear (or nearly clear) indoors and darken automatically when exposed to sunlight. Other terms sometimes used for photochromic lenses include "light …
WebPhotochromism is the reversible transformation of a chemical species (photoswitch) between two forms by the absorption of electromagnetic radiation (photoisomerization), where the two forms have different absorption spectra. In plain language, this can be described as a reversible change of color upon exposure to light. ...
WebUniversity of Pennsylvania - School of Arts & Sciences School of Arts ... dhl office dhakaWebApr 9, 2024 · photochromic in American English. (ˌfoʊtoʊˈkroʊmɪk ) adjective. designating or of a material, as certain glass or film, which turns dark when exposed to light and … dhl office eldoretWebPhotochromic Definition. Designating or of a material, as certain glass or film, which turns dark when exposed to light and returns to its normal transparency with the removal of the … dhl office coventryWebPhotochromism is the reversible transformation of a chemical species between two forms by the absorption of electromagnetic radiation, where the two forms have different … dhl office durbanWebNov 17, 2011 · Photochromism: Definition. ... The photochromism exhibited the ability to switch between colorless and blue. A fading process occurred when the film was exposed to ambient air or O2 in the dark ... cilcain community shopWebJan 1, 2001 · Organic photochromism (IUPAC Technical Report) Abstract This technical report is a general introduction to organic photochromism. The definition of photochromism (PC) is given together with that of words with the ending "chromism", such as thermo-, electro-, piezo-, and tribochromism. Important concepts such as two-photon, gated, dual … cilcain community shop limitedWebPhotochromism is defined as a reversible pho- totransformation of a chemical species between two forms having different absorption spectra. During the photoisomerization, … cilcain bowling club