Phosphene wikipedia
WebTetrakis (hydroxymethyl)phosphonium chloride (THPC) is an organophosphorus compound with the chemical formula [P (CH 2 OH) 4 ]Cl. The cation P (CH 2 OH) 4+ is four-coordinate, as is typical for phosphonium salts. THPC has applications as a precursor to fire-retardant materials, [1] as well as a microbiocide in commercial and industrial water ... Webphosphene noun [ C ] medical specialized uk / ˈfɒs.fiːn / us / ˈfɑːs.fiːn / an area of light that is seen by someone, without any light actually entering the eye SMART Vocabulary: 관련된 단어 및 문구 Light beam brilliance firelight floodlight fluorescence helio- illumination incandescence incident light incident ray infrared lamplight monochromatic
Phosphene wikipedia
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WebPhosphorine (IUPAC name: phosphinine) is a heavier element analog of pyridine, containing a phosphorus atom instead of an aza-moiety. It is also called phosphabenzene and … WebPhosphine. Phosphine is a chemical compound. Its chemical name is phosphorus hydride. Its chemical formula is PH 3. It is also called phosphane and phosphamine. It contains phosphide and hydrogen ions .
Webphosphene. (n.) "the luminous ring produced by pressing the eyeball with the finger, etc.," 1850, from French phosphène, irregularly formed from Greek phōs "light" + phainein "to … WebJan 17, 2024 · phosphene (plural phosphenes) A sensation of lights induced by mechanical, electrical, or magnetic stimulation (rather than optical) of the retina or visual cortex, or by random firing of cells in the visual system. Derived terms . magnetophosphene; Translations .
WebPhosphine gas ( PH3) is a deadly gas created by a mixture of red phosphorous and moisture in the presence of heat. Contents 1 History 1.1 Breaking Bad 1.1.1 Season 1 2 Scientific accuracy 3 External links History Breaking Bad Season 1 Webphosphene translate: 压眼闪光，光幻视. Learn more in the Cambridge English-Chinese simplified Dictionary.
Webmodifier. La phosphine a, hydrure de phosphore, phosphure d'hydrogène, ou phosphane (nomenclature IUPAC) est un composé inorganique du phosphore et de l' hydrogène, de formule PH 3 . À température et pression ordinaires, la phosphine est un gaz hautement écotoxique, phytotoxique 13, hautement toxique pour les mammifères (dont l' être ...
WebFeb 16, 2024 · Phosphenes are flashes of colorful light that are produced from inside the eye rather than from an outside light source. Some people report that phosphenes look like rapidly moving stars, or shapes of color that wander slowly across your vision. Undergoing phosphenes is called photopsia. grants for laptops for adultsWebPhosphene definition, a luminous image produced by mechanical stimulation of the retina, as by pressure applied to the eyeball by the finger when the lid is closed. See more. chip media player classicWebAls Phosphene (griechisch phos = Licht und phainesthai = erscheinen) werden Lichtwahrnehmungen es Auges bezeichnet, die nicht auf Lichtreize zurückzuführen sind. Phosphene können beispielsweise durch mechanische Reizung (z.B. bei Druck auf den Augapfel oder durch Glaskörperzüge) entstehen. grants for land trustsWebMay 21, 2010 · From Wikipedia: The most common phosphenes are pressure phosphenes, caused by rubbing the closed eyes. They have been known since antiquity, and described by the Greeks. The pressure mechanically stimulates the cells of the retina. Experiences include a darkening of the visual field that moves against the rubbing, a diffused colored patch … chip media player codecWebPhosphenes have been created by electrical stimulation of the brain, reported by neurologist Otfrid Foerster as early as 1929. Brindley and Lewin (1968) inserted a matrix of stimulating electrodes directly into the visual cortex of a 52-year-old blind female, using small pulses of electricity to create phosphenes. grants for laptops scotlandWebA phosphene is a phenomenon characterized by the experience of seeing light without light actually entering the eye… The most common phosphenes are pressure phosphenes, caused by rubbing or applying pressure on or near the closed eyes. They have been known since antiquity, and described by the Greeks. chip mediahumanWebA transition metal phosphido complex is a coordination complex containing a phosphido ligand (R 2 P, where R = H, organic substituent). With two lone pairs on phosphorus, the phosphido anion (R 2 P −) is comparable to an amido anion (R 2 N − ), except that the M-P distances are longer and the phosphorus atom is more sterically accessible. grants for latina women