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Phụ lục 2 - giáo trình MathCad

Module by: KS. Huỳnh Vương Thu Minh. E-mail the author

PHỤ LỤC 2

HỆ ĐƠN VỊ SI

Base Units

Bảng 1
M (meter), lengthA (ampere), currentMole or mol, substance Kg (kilogram), massK (kenvin), temperature s (second), timecd (candela), luminosity

Angular Measure

Bảng 2
Rad = 1 deg = π180radπ180rad size 12{ { {π} over {"180"} } ital "rad"} {} Sr = 1.sr

Length

Bảng 3
cm = 0.01.mft = 0.3048.mmi = 5280.ft km = 1000.min = 2.54.cm mm = 0.001.myd = 3.ft

Mass

Bảng 4
gm = 0.001.kgmg = 0.001.gmoz = 1b161b16 size 12{ { {1b} over {"16"} } } {} tonne = 1000.kgton = 2000.lb lb = 453.59237.gmslug = 32.174.lb

Time

Bảng 5
min = 60.syr = 365.2422.day hr = 3600.s day = 24.hr

Area, Volume

Bảng 6
hectare = 10000.m2mL = 0.001.L acre = 4840.yd2fl_oz = 29.57353.cm3 L = 0.001.m3gal = 128.fl_oz

Velocity, Acceleration

Bảng 7
mph = mihrmihr size 12{ { { ital "mi"} over { ital "hr"} } } {} kph = kmhrkmhr size 12{ { { ital "km"} over { ital "hr"} } } {} G = 9.80665. ms2ms2 size 12{ { {m} over {s rSup { size 8{2} } } } } {}

Force, Energy, Power

Bảng 8
N = kg.ms2kg.ms2 size 12{ ital "kg" "." { {m} over {s rSup { size 8{2} } } } } {}kgf = g.kgcal = 4.1868.JW = JsJs size 12{ { {J} over {s} } } {} dyne = 10−5.N10−5.N size 12{"10" rSup { size 8{ - 5} } "." N} {}J = N.mkcal = 1000.calkW = 1000.W lbf = g.lberg = 10−7.J10−7.J size 12{"10" rSup { size 8{ - 7} } "." J} {}BTU = 1.05506.103.J1.05506.103.J size 12{1 "." "05506" "." "10" rSup { size 8{3} } "." J} {}hp = 550. ft.lbfsft.lbfs size 12{ { { ital "ft" "." ital "lbf"} over {s} } } {}

Pressure, Viscosity

Bảng 9
Pa = Nm2Nm2 size 12{ { {N} over {m rSup { size 8{2} } } } } {}in_Hg = 3.37686.103.Papoise = 0.1.Pa.s psi = lbfin2lbfin2 size 12{ { { ital "lbf"} over { ital "in" rSup { size 8{2} } } } } {}torr = 1.33322.102.Pa atm = 1.01325.105.Pastokes = 10-4. msms size 12{ { {m} over {s} } } {}

Temperature

R = 0.556.K

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