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Hafnium silicate (HfSiO 4) is a silicate of hafnium, and it is a tetragonal crystal. [23] Thin films of hafnium silicate and zirconium silicate grown by atomic layer deposition , chemical vapor deposition or MOCVD , can be used as a high-k dielectric as a replacement for silicon dioxide in modern semiconductor devices. [ 24 ]
Sodium: Coined by Humphry Davy who first isolated it, from English soda (specifically caustic soda), via Italian from Arabic ṣudāʕ 'headache' · Symbol Na, from Neo-Latin natrium, coined from German Natron 'natron' 1 3 s-block 22.990: 0.968: 370.87: 1156: 1.228: 0.93: 23 600: primordial solid 12 Mg Magnesium: Magnesia region, eastern ...
Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
Methyl salicylate (oil of wintergreen or wintergreen oil) is an organic compound with the formula C 8 H 8 O 3.It is the methyl ester of salicylic acid.It is a colorless, viscous liquid with a sweet, fruity odor reminiscent of root beer (in which it is used as a flavoring), [4] but often associatively called "minty", as it is an ingredient in mint candies. [5]
Smalt is produced by melting a mixture of roasted mineral smaltite, quartz and potassium carbonate, which yields a dark blue silicate glass, which is finely ground after the production. [166] Smalt was widely used to color glass and as pigment for paintings. [ 167 ]
Benzyl salicylate is a salicylic acid benzyl ester, a chemical compound most frequently used in cosmetics as a fragrance additive or UV light absorber.It appears as an almost colorless liquid with a mild odor described as "very faint, sweet-floral, slightly balsamic" by some, while others smell nothing at all.
In comparison studies, mCPP has approximately 10-fold selectivity for the human 5-HT 2C receptor over the human 5-HT 2A and 5-HT 2B receptors (K i = 3.4 nM vs. 32.1 and 28.8 nM). [11] It acts as a partial agonist of the human 5-HT 2A [ 47 ] and 5-HT 2C [ 48 ] receptors but as an antagonist of the human 5-HT 2B receptors.
GW170817 was a gravitational wave (GW) signal observed by the LIGO and Virgo detectors on 17 August 2017, originating from the shell elliptical galaxy NGC 4993, about 140 million light years away.