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This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
−69.6 °C: −93.3 °F: Coldest officially recorded air temperature in the Northern Hemisphere at Klinck AWS, Greenland (Denmark) on 1991-12-22 [26] 205.5 K: −67.7 °C: −89.9 °F: Coldest officially recorded air temperature on the Eurasian continent at Oymyakon, USSR on 6 February 1933 [27] [full citation needed] 210 K: −63 °C: −80 °F
Christopher C. Burt, a weather historian writing for Weather Underground, believes that the 1913 Death Valley reading is "a myth", and is at least 2.2 or 2.8 °C (4 or 5 °F) too high. [13] Burt proposes that the highest reliably recorded temperature on Earth could still be at Death Valley, but is instead 54.0 °C (129.2 °F) recorded on 30 ...
D'Arrest discovered NGC 522 using his 11-inch refractor telescope at Copenhagen.He located the galaxy's position with a total of two observations. As the position matches both UGC 962 and PGC 5190, the objects are generally referred to as synonymous. [5]
Canada's annual average temperature over land has warmed by 1.7 °C (3.1 °F), with changes ranging from 1.1 to 2.3 °C (2.0 to 4.1 °F) in various regions, since 1948. [4] The rate of warming has been higher across the North and in the Prairies. [ 4 ]
The median age is the index that divides the entire population into two numerically equal age groups, one younger than that age and the other older than that age. It is the only index associated with the age distribution of a population. [1]
Its average temperatures range around 12–14 °C (54–57 °F) at sea level, with summer means around 20–23 °C (68–73 °F) and winter means around 4–6 °C (39–43 °F). Rainfall is well-distributed and quite frequent, generally around 900–1,500 millimetres (35–59 in) with a spring drying pattern, instead of a summer-dry one.
Canon New FD lens mounting surface.. The FD lens mount is a breech-lock mount, which is a variation of the common triple-flanged bayonet attachment. The advantage of the breech-lock over the bayonet is that neither the contact surfaces between the body and lens, nor the signalling mechanisms, rotate against each other when the lens is mounted.