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Subsequently, that mean was widely quoted as "37 °C or 98.4 °F" [41] [42] until editors realized 37 °C is equal to 98.6 °F, not 98.4 °F. The 37 °C value was set by German physician Carl Reinhold August Wunderlich in his 1868 book, [ 43 ] which put temperature charts into widespread clinical use. [ 44 ]
If the EV is known, it can be used to select combinations of exposure time and f-number, as shown in Table 1. Each increment of 1 in exposure value corresponds to a change of one "step" (or, more commonly, one "stop") in exposure, i.e., half as much exposure, either by halving the exposure time or halving the aperture area, or a combination of ...
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
As of Unicode version 16.0, there are 155,063 characters with code points, covering 168 modern and historical scripts, as well as multiple symbol sets.This article includes the 1,062 characters in the Multilingual European Character Set 2 subset, and some additional related characters.
For example, R-22 has one carbon ... The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more ...
The 37th parallel north is a circle of latitude that is 37 degrees north of the Earth's equatorial plane.It crosses Europe, the Mediterranean Sea, Africa, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
The euro area, [8] commonly called the eurozone (EZ), is a currency union of 20 member states of the European Union (EU) that have adopted the euro as their primary currency and sole legal tender, and have thus fully implemented EMU policies.
As of 2014, China passed the U.S. as the largest economy in GDP (PPP) terms, measured at purchasing power parity conversion rates. The U.S. had the highest GDP (PPP) figures for more than a century prior to that milestone; China has more than tripled the U.S. growth rate for each of the past 40 years.