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The lower limit for "heavyweight" was established in 1948 at 81 kg. When a new limit of 91+ kg was established in 1984, the name "heavyweight" was kept by the 81+ kg class, and the 91+ kg class was named "super heavyweight", a name not currently used in professional boxing. Classes are as follows: [16]
These included the Sanyo ICC-0081 "Mini Calculator", the Canon Pocketronic, and the Sharp QT-8B "micro Compet". In January 1971, the Sharp EL-8 was close to being a pocket calculator, weighing about one pound, with a vacuum fluorescent display (VFD) and rechargeable NiCad batteries. The EL-8 was the first battery-powered handheld calculator. [110]
In some parts of the world, metro systems are referred to as subways, undergrounds, tubes, mass rapid transit (MRT), metrô or U-Bahn. As of 22 December 2024, [update] 204 cities in 63 countries operate 884 metro lines.
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Air sampling measures the contaminant in the air as concentration units of ppmv (parts per million by volume), mg/m 3 (milligrams per cubic meter) or other mass per unit volume of air. Samplers can be worn by workers or researchers to estimate concentrations found in the breathing zone (personal) or samples collected in general areas can be ...
A BMI of ≥ 35 kg/m 2 and experiencing obesity-related health conditions or ≥ 40 or 45 kg/m 2 is morbid obesity. A BMI of ≥ 45 or 50 kg/m 2 is super obesity . As Asian populations develop negative health consequences at a lower BMI than Caucasians , some nations have redefined obesity; Japan has defined obesity as any BMI greater than 25 ...
Since one in about every 6,400 hydrogen atoms is deuterium, a 50-kilogram (110 lb) human containing 32 kilograms (71 lb) of body water would normally contain enough deuterium (about 1.1 grams or 0.039 ounces) to make 5.5 grams (0.19 oz) of pure heavy water, so roughly this dose is required to double the amount of deuterium in the body.
Massospondylus (/ ˌ m æ s oʊ ˈ s p ɒ n d ɪ l ə s / MASS-oh-spon-di-lus [1]) is a genus of sauropodomorph dinosaur from the Early Jurassic (Hettangian to Pliensbachian ages, ca. 200–183 million years ago). It was described by Sir Richard Owen in 1854 from remains discovered in South Africa, and is thus one of the first dinosaurs to have ...