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≡ Time of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at 0 K [8] (but other seconds are sometimes used in astronomy). Also that time it takes for light to travel a distance of 299 792 458 metres. (SI base unit) shake: ≡ 10 −8 s = 10 ns ...
570 Gm (3.8 au) – length of the tail of Comet Hyakutake measured by Ulysses; the actual value could be much higher; 590 Gm (3.9 au) – diameter of the Pistol Star, a blue hypergiant star [184] 591 Gm (4.0 au) – minimum distance between the Earth and Jupiter; 780 Gm (5.2 au) – average distance between Jupiter and the Sun
Blood is denser than water and 1 mL of blood has a mass of approximately 1.055 grams, thus a mass-volume BAC of 1 g/L corresponds to a mass-mass BAC of 0.948 mg/g. Sweden, Denmark, Norway, Finland, Germany, and Switzerland use mass-mass concentrations in their laws, [ 6 ] but this distinction is often skipped over in public materials, [ 12 ...
Mesh is a measurement of particle size often used in determining the particle-size distribution of a granular material.For example, a sample from a truckload of peanuts may be placed atop a mesh with 5 mm openings.
In the US, the cost in Q3 2015 of Xyrem was $5,468.09 per 180 mL bottle at 500 mg/mL— a 10 to 15-day supply when prescribed at the typical 6–9 g per day. As of 2017 the cost of sodium oxybate in the UK was £540.00 to £1,080.00 for a thirty-day supply, [ 65 ] which at typical doses is £6,500 to £13,100 per year.
Liquid nitrogen, a colourless fluid resembling water in appearance, but with 80.8% of the density (the density of liquid nitrogen at its boiling point is 0.808 g/mL), is a common cryogen. [50] Solid nitrogen has many crystalline modifications.
Atomic-resolution real-time video imaging allows visualization of the initial stage of crystal nucleation of sodium chloride. [ 26 ] The Thermal conductivity of sodium chloride as a function of temperature has a maximum of 2.03 W/(cm K) at 8 K (−265.15 °C; −445.27 °F) and decreases to 0.069 at 314 K (41 °C; 106 °F).
The oral ingestion of 10 mg CEEs, which contains about 4.5 mg sodium estrone sulfate and 2.5 mg sodium equilin sulfate, produces maximal plasma concentrations of estrone and equilin of 1,400 pg/mL and 560 pg/mL within three and five hours, respectively. [67]