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PHỤ LỤC 2
HỆ ĐƠN VỊ SI
Base Units
M (meter), lengthA (ampere), currentMole or mol, substance | Kg (kilogram), massK (kenvin), temperature | s (second), timecd (candela), luminosity |
Angular Measure
Rad = 1 | deg = | Sr = 1.sr |
Length
cm = 0.01.mft = 0.3048.mmi = 5280.ft | km = 1000.min = 2.54.cm | mm = 0.001.myd = 3.ft |
Mass
gm = 0.001.kgmg = 0.001.gmoz = | tonne = 1000.kgton = 2000.lb | lb = 453.59237.gmslug = 32.174.lb |
Time
min = 60.syr = 365.2422.day | hr = 3600.s | day = 24.hr |
Area, Volume
hectare = 10000.m2mL = 0.001.L | acre = 4840.yd2fl_oz = 29.57353.cm3 | L = 0.001.m3gal = 128.fl_oz |
Velocity, Acceleration
mph = | kph = | G = 9.80665. |
Force, Energy, Power
N = kgf = g.kgcal = 4.1868.JW = | dyne = J = N.mkcal = 1000.calkW = 1000.W | lbf = g.lberg = BTU = hp = 550. |
Pressure, Viscosity
Pa = in_Hg = 3.37686.103.Papoise = 0.1.Pa.s | psi = torr = 1.33322.102.Pa | atm = 1.01325.105.Pastokes = 10-4. |
Temperature
R = 0.556.K
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