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Petrichor (/ ˈ p ɛ t r ɪ k ɔːr / PET-ri-kor) [1] is the earthy scent produced when rain falls on dry soil. The word was coined by Richard Grenfell Thomas from Ancient Greek πέτρα ( pétra ) 'rock' or πέτρος ( pétros ) 'stone' and ἰχώρ ( ikhṓr ) , the ethereal fluid that is the blood of the gods in Greek mythology .
Geosmin (/ dʒ i ˈ ɒ z m ɪ n / jee-OZ-min) is an irregular sesquiterpenoid with a distinct earthy or musty odor, which most people can easily smell. The geosmin odor detection threshold in humans is very low, ranging from 0.006 to 0.01 micrograms per liter in water. [1]
Petrichor is the earthy scent produced when rain falls on dry soil. Petrichor may also refer to: Petrichor, a song by Phish from the 2016 album Big Boat; Petrichor, an album by 070 Shake, released in 2024; Petrichor, a track on 2017 album Life Is Fine by Paul Kelly; Petrichor (composition), a 2018 orchestral composition by Ellen Reid
Petrichor is an orchestral composition written by the American composer Ellen Reid. The work was commissioned by the Los Angeles Chamber Orchestra . Its world premiere was performed by the Los Angeles Chamber Orchestra conducted by Douglas Boyd at the UCLA 's Royce Hall on February 24, 2018.
The odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell.The threshold of a chemical compound is determined in part by its shape, polarity, partial charges, and molecular mass.
Geosmin synthase is approximately 726 amino acids in length and has two distinctive active sites on the N-terminal and C-terminal halves, respectively (in S. coelicor the N-terminal domain consists of amino acids 1-319 while the C-terminal domain exists from 374-726), both of which resembling the sesquiterpene synthase pentalenene synthase.
The following table compares cathode-ray tube (CRT), liquid-crystal display (LCD), plasma and organic light-emitting diode (OLED) display device technologies. These are the most often used technologies for television and computer displays.
CIE Publication 15:2018 introduces nine new illuminants representing several white LEDs with CCTs ranging from 2700~6600 K. [28] LED-B1 through B5 define standard LED illuminants with phosphor-converted blue light. LED-BH1 defines a blend of phosphor-converted blue and a red LED. LED-RGB1 defines the white light produced by a tricolor LED mix ...