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P conversions

π = pi

= 3.14159

π radians = 180⁰

Φ = phi

= webers

= total flux

= BA

= βm² (weber)

= (μ₀NIπa)/2

= reference vector

= μNIA/l

= NI (Aμ/l)

= NI/(l/μA)

= mmf/R

= effective flux

= M/I sin 

= M/IN sin 

= 2μ₀πI/Na

 = Φ

= angle between mf direction and charge motion direction

Φ_m = w/cm²

= maximum magnetic flux, webers

= E_{Tf Avg}t/#turns

= E_{Tf Avg}/4νN_Turns

= E_P/4.44νN_P

= E_s/4.44νN_s

% = percent

% dissoc. = [A]/molarity ∙ 100%

= x/molarity ∙ 100%

% intravascular_Blood = B_T/Body_T

P = Pressure

= F/A

= work/V

= ΔV/w

= Int. E - (Ht/V)

= Enthalpy - (Int. E/V)

= (H - U)/V

= (H - E)/V

= (ΔH - ΔU)/ΔV (P,V work only)

= (q_P -ΔU)/ΔV (P,V work only)

= nRT/V

= gRT/V (MW)

= dRT/MW

= kn

= (ΔH - ΔU)/ΔV (P,V work only)

= P₀ + aθ

= pP/n%

= P₁n_T/n₁

= ΔnRT/ΔV

= Δn_gasRT/ΔV

= (nRT - [n²a/V² (V - nb)] /(V - nb)

= -w/(V ln V₂/V₁) (id. g., rev., isotherm.)

= Nmv²_mean/3V

= .3333Nmv²_mean/V

= m/lt²

= 2K.E./3V

= .6667 K.E./V

= kT/V

= RT/V

= k/V

≈ (d)(acc_grav.)(hght_liquid)

= .6667 K.E./V

P = point

= (0,0)

= (x,y)

P = Principal

= I/rt

P = Power

= 16,000 Hp/(stroke ∙ Area ∙ Rotation)

= IE (Series)

= P₁ + P₂ + P₃ .. (Series)

= V²/R (Series)

= IE (Parallel)

= P₁ + P₂ + P₃ ... (Parallel)

= IE (Series-Parallel)

= P₁ + P₂ + P₃ (Series-Parallel)

= .746 Hp/eff (kw) (AC motor)

= 746 Hp/eff (watts)(AC motor)

P = production rate payback period

= I/[L - E ⁺_-q (L + Z)]

= payback period (yrs)

= I/(L - E)

P = polarization

P atm = 760 Torr

P vol. = plasma volume

≈ B vol. - B cell vol.

ΔP = Res. ∙ F

= FR

= 0 (ΔV = 0, isotherm., Id. g. )

= (ΔH - ΔE)/ΔV

= flow/k

P₀ = arbitrary 0 temp-pressure

P₁ = n₁RT/V

= n₁P_T/n_T

= n/ ∙ P_T

= P₂V₂n₁RT₁ / V₁n₂RT₂

= (P₂ΔV₂ - w)/ΔV₁

= P₂V₂T₁/T₂V₁

= P_T - P₂

P₁/P₂ = V₂/V₁ (id. g., n,T const.)

ln P₁/P₂ = ΔS/nR (id. g., n,T const.)

ln P^θ/P₁ =ΔŜ₁/R

= ln (V₁/V^θ)

P_A = X_A/k

P⁰_A = pP_A/X_A

= (P_sol'n - N_BP⁰_B)/N_A

P_a = actual mean effective pressure

= lb/sq. in

P_Aortic = MAP + P_{Late Vena Cava}

P_c = transformer copper losses

= watts

= (VA/V)² R

= (VA/V_P)² · R_P

= (VA/V_s)² · R_s

P_e = eddy I loss (watts)

= k_eVf²t²B²_m

= k_eVν²t²B²_m

= watts

P_ext. = P_vap (T_b)

= P_int - dP (piston)

P_h = hysteresis loss, watts

= k_hVfB^1.6_m

= k_hVνB^1.6_m

P_{mean aortic} = MAP + P_{late vana cava}

P_{mean arterial} = MAP

= B_{flow organ} ∙ R_organ

= CO ∙ R_{T Periph.}

P_opp = w/ΔV

= w/(V_F - V_i)

= (ΔH - q + w)/ΔV

= (ΔH - ΔE)/ΔV

P_osm. = nRT/V

P_P = P_s (ideal)

P_Rat. = (V∙ eff ∙ A)/746 (hp)

P_Req. = (746 ∙ hp)/eff (watts)

= (hp ∙ 746)/(P_F. ∙ eff.) (kva)

P_sol'n = N_AP⁰_A + N_BP⁰_B

P_surr = F/A

= -w/ΔV (irrev.)

= -w/AΔx

= -w/(V₂ - V₁)

P_sys = P_surr (reversible)

P_T = P₁ + P₂ + P₃ ...

= R_T ∙ I²_T (Series)

P_{T gas} = pP_a + pP_b + pP_c

P_vol. = B_vol. - B_{cell vol.}

P_x = (n_x ∙ P_T)/n_T

P⁰_A = (P_sol'n - N_BP⁰_B) / N_A

= pP_A/X_A

PP_(gas) = м

= [ ]_(liquid)

PV = nRT

= Int. E - Ht

= H - U

= H - E

= .66 K.E.

PΔV = ΔnRT

P(x,y) = terminal side Θ

p = distance from focus to directrix

p = pico

p⁺ = proton

= 1.503 ∙ 10^-8 J

= 1.673 ∙ 10^-30 g

Pa = Pascal

= Newton/meter²

= 10⁵ Dyne/m²

= kg/ms²

pace = passus

palmus = .25 Roman ft

= span

pas (Gr.) = all

passus = pace

= 5 ft

path length = l

peak V = 1.414 RMS

= .5 peak to peak

= 1.57 Avg val.

pearl grain = .25 carat

= 50 mg

peck = 8 quarts

= 1/4 bushel

= modius

= 1.92 gal

= 16 sextarii

= 2/3 seah

pedalis = foot

= pes

= 2 semipes

pemptos (Gr.) = fifth

penenta (Gr.) = fifty

penny = sou

= copper

= 1/20 franc

pennyweight = 24 grains (Troy)

= oz/20

pentakosioi, -es, -a (Gr.) = 500

pente (Gr.) = five

Pentecost = Asartha (Hebrew)

= 50th day after sacrifice

pentekonta (Gr.) = fifty

pentekoste (Gr.) = 50th

percent = %

= pourcent

perch = 16.5' l, 1.5' w, 1' h

period = amt. of time for one complete vibration

period = 2π/b

permeab. = μ

Permeance = 1/Reluctance

= flux:mag. pot'l diff between 2 equipot'l surfaces (through any x-section of tubular portion of mag. circuit)

= mag. flux (maxwells)/mmf (gilberts) (cgs)

pes = pedalis

peser = weigh

pF = picoFarad

Pfund = lb

pg = picogram

= 10^-12 g

pH = -log [H⁺]

= -log [H₃O⁺]

= -log₁₀ [H⁺](n/L)

= -log₁₀ [H⁺](mol/L)

= 7 (water)

= pOH (water)

= 14 - pOH

= pK/2 (water)

pH_H2O = 6.79 @ 310⁰K

phison (Hebrew) = multitude

pi = 3.14159

= π

picogram = pg

pint = pt

= 4 gills

= 2 cups

= quart/2

= 16 oz

pinte (c.) = qt

= 1/4 L

= L

= pt

= 6 sextarius

= 1/6 congius

pk = -log k

pk_b = -log k_b

pk_water = 14

= [H⁺] + [OH^-]

Planck's constant = h

plethea = 102.5 ft

plethron = 100 lbs

= talent

= 100 cinchares

pm = 10^-12 m

pOH = -log [OH^-]

= pH (water)

pOH_water = [H₃O⁺]

p[OH] = 14 - pH

point = akis

= kentron (Gr.)

= ake

= aichmetes

= akme

= akoke

= akonao

pointed = akros

polarization = equil. (0Q)(cell)

= Displacement/4π volt

pole (end of axis) = polos

pole strength = # of unit poles

pourcent = percent

pondo = lb

pondus = lb

positive = P pole

= +

potential difference = V

pouce = in

pound = lb

= 16 ounces (Avoirdupois)

= 453.59 grams

= .454 kilograms

= litra

= hundredwght (cwt)/100

= ton/2000

= long ton (L.T.)/2240

= 12 oz (Troy)

Power = P

= work, displacement, moment, force

= ΔPV

= kwhr, hphr, hp, ft lb, watt, Newton-meter

pP = partial pressure

pP₁ = n₁%P_T

pP_A = (k_e/k_c) ∙ X_A

= P⁰_AX_A

= pP⁰_A ∙ X_A

= r_cond./k_cond.

pP⁰_A = k_e/k_c

= pP_A/X_A

pP_{CO-smog =} 8.7 x 10^-5atm.

pP_i = [i]

premier (F.) = first

prime (F.) = first

primum (L.) = first

Principal = P

prior (L.) = first

prota (Gr.) = first

Prothrombin Conc. (Quick) = 302 / (Clotting Time - 8.7)

proton = p⁺

proton (Gr.) = first

protos (Gr.) = first

pt = pint

= pinte

= 6 sextarius

= 1/6 congius

pt (Eng) = hemina

= 1/2 sextarius

pygmaios = length of forearm

pyramid = pyramis

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