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Ugreen (绿联) is a Chinese consumer electronics brand owned by Ugreen Group Ltd and based in Shenzhen, Guangdong. [2] [3] The brand and company was established by Zhang Qingsen in 2012, and specialises in USB hardware such as cables and AC adapters, as well as other categories of consumer electronics such as audio equipment and mobile accessories.
As quoted in an online version of: David R. Lide (ed), CRC Handbook of Chemistry and Physics, 84th Edition.CRC Press. Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Physical Properties of the Rare Earth Metals
Other constant-resistance alloys include manganin (Cu 86 Mn 12 Ni 2), Cupron (Cu 53 Ni 44 Mn 3) [2] and Evanohm. Melts at about 1,220 °C (2,230 °F). Melts at about 1,220 °C (2,230 °F). Balco ( Ni 70 Fe 30 ) and similar alloys have very high, but more linear, temperature coefficients of resistivity, making them suitable for sensing elements.
A huge search is underway for a Georgia teacher last seen more than a week ago celebrating his 50th birthday on a fishing boat with his fiancée — who was found dead in the lake the next day.
On February 15, 1985, FIDE President Florencio Campomanes announced that he was abandoning the World Chess Championship match between Garry Kasparov and Anatoly Karpov. For 40 years, the chess ...
The resistivity can be expressed using the SI unit ohm metre (Ω⋅m) — i.e. ohms multiplied by square metres (for the cross-sectional area) then divided by metres (for the length). Both resistance and resistivity describe how difficult it is to make electrical current flow through a material, but unlike resistance, resistivity is an ...
The number of Americans filing new applications for unemployment benefits fell more than expected last week, pointing to low layoffs though job opportunities are becoming scarce for those who are ...
Ohm's law is satisfied when the graph is a straight line through the origin. Therefore, the two resistors are ohmic, but the diode and battery are not. For many materials, the current I through the material is proportional to the voltage V applied across it: over a wide range of voltages and currents. Therefore, the resistance and conductance ...