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Distribution of penis sizes by length. 45% of erect penises are between 12 and 14 cm long. [2] Distribution of penis sizes by circumference. 81% of erect penises (green) are between 10 and 13 cm in circumference. [2]
A thermostatic radiator valve on position 2 (15–17 °C) Installed thermostatic radiator valve with the adjustment wheel removed A thermostatic radiator valve (TRV) is a self-regulating valve fitted to hot water heating system radiator, to control the temperature of a room by changing the flow of hot water to the radiator.
DNA ligase is a type of enzyme that facilitates the joining of DNA strands together by catalyzing the formation of a phosphodiester bond.It plays a role in repairing single-strand breaks in duplex DNA in living organisms, but some forms (such as DNA ligase IV) may specifically repair double-strand breaks (i.e. a break in both complementary strands of DNA).
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The Mollier diagram coordinates are enthalpy and humidity ratio. The enthalpy coordinate is skewed and the lines of constant enthalpy are parallel and evenly spaced. The ASHRAE psychrometric charts since 1961 use similar plotting coordinates. Some psychrometric charts use dry-bulb temperature and humidity ratio coordinates.
A Carnot cycle is an ideal thermodynamic cycle proposed by French physicist Sadi Carnot in 1824 and expanded upon by others in the 1830s and 1840s. By Carnot's theorem, it provides an upper limit on the efficiency of any classical thermodynamic engine during the conversion of heat into work, or conversely, the efficiency of a refrigeration system in creating a temperature difference through ...
The surface temperature of Mercury ranges from 100 to 700 K (−173 to 427 °C; −280 to 800 °F). [79] It never rises above 180 K at the poles, [15] due to the absence of an atmosphere and a steep temperature gradient between the equator and the
Both external and internal temperatures are taken into consideration. The autoignition temperature is the lowest temperature at which the substance will ignite without an additional heat or ignition source (at atmospheric pressure). This temperature is used for classification for industry and technology applications. [6]