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BIOPHYSIQUE > formule > Flashcards

formule Flashcards

1
Q

1 u =

A

931,5 Mev/C2

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2
Q

1eV=

A

1,6 x 10-19 J

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3
Q

E=

A

mc^2

hv

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4
Q

deltaM

A

M-Zxmp-(A-Z)mn

Delta E = delta M c^2

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5
Q

frequence et longueur d’onde

A

frequence = c / lambda

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6
Q

E (eV) =

A

1240/lambda (nm)

= -13,6 Z2/n2

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7
Q

N(t)

A

No exp (-lambda t)

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8
Q

t1/2

A

ln(2)/lambda

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9
Q

1/Teff

A

1/T + 1/Tbio

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10
Q

vie moyenne

A

taux = 1 / lambda

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11
Q

A

A

lambda N(t)

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12
Q

m =

A

M A Tphy / Na ln(2)

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13
Q

noyau stable

N2

A

N10 (1-exp(-lambda1t)

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14
Q

fils instable

A

N2(t) = N10 lambda1/ lambda2 -lambda1 (exp (-lambda1t) - exp (-lambda2t) )

A2(t) N10 lambda2/ lambda2 -lambda1 (exp (-lambda1t) - exp (-lambda2t) )

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15
Q

tm

A

ln (lambda2) - ln(lambda1) / lambda2 - lambda1

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16
Q

cas ou T1>T2

A

A2/A1 = lambda2 / lambda2 - lambda 1

= T1 / T1 - T2

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17
Q

cas ou T1&raquo_space; T2

A

equilibre seculaire

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18
Q

cas ou T1&laquo_space;T2

A

noyau se desintegre selon sa propre periode

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19
Q

flux energetique

A

rond barre = dE/dt en W

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20
Q

intensite

A

J = drond barre/dS en W/sr

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21
Q

fluence energetique

A

F = dE/dS en J/m2

22
Q

proba attenuation photoelectrique

A

t = Ci p Z3 E-3

23
Q

proba attenuation compton

A

B Z /E

24
Q

proba attenuation

A

C Z

25
Q

energie electron diffuse (compton)

A

E’ = hv4’

= E / 1+ E/moc2 (1-cos angle)

26
Q

energie electron compton

A

Ec = h(v-v’) - Wn

= E-E’

27
Q

compton

angle diffusion

A

1/E’ - 1/E = 1/ moc2 (1-cos angle)
=0 : Ec=0
= 180 = photon retrodiffuse

28
Q

CDA

A

ln 2 / proba attenuation total

29
Q

particule lourde

R

A

= To / TLE

30
Q

particule lourde

S

A

S = Scoll

31
Q

particule lourde

TLE

A

TLE = Scoll

32
Q

energie moyenne formation paire d’ion

A

W = Eo /n

33
Q

DLI

A

TLE / W

34
Q

Particule legere

S

A

Scoll / Sras = ZT / 800

35
Q

Particule legere

R

A

= T(MeV) / 2p (g.cm-3 ou kg/L)

36
Q

concentration pharmaceutique C(t)

A

A/m

37
Q

DA

A

Fo x Ao x Emoy x Teff / m ln(2)

38
Q

Jd

A

-RTbS grad C

39
Q

Jh20

A

-RTbh20/Mh2O S grad X h20

40
Q

Q H2O

A

= VH20 x JH2o

41
Q

JF

A

-BH20 S gradP

grad P = delta P /e

42
Q

Js

A

Jf x C

43
Q

Qf

A

JF x VH20

44
Q

jei

A
  • zi F bi S ci grad V
45
Q

I

A

= ZF jei
= gi ( V - Vieq)
cation : sens flux
anion : sens oppose

46
Q

gi depend

A

Ci
Zi
Bi

47
Q 
differente formule pH 
par rapport a H+ 
A- et AH 
sel et acide 
x (taux avancement) 
beta
A 
= -log (H+)
= pk + log ((A-) / (AH)) 
= pk + log (sel / acide )
= pk + log (x / a -x)  
= pk + log ( beta / 1-beta)
48
Q

pH acide carbonique

A

= 6,1 + log ( HCO3- / H2CO3)
HCO3- normal = 24 mmol
H2CO3 = 1,2 mmol
pH = 7,4

49
Q

PCO2

A

H2CO3 = alpha (0,03) x PCO2

50
Q

HCO3-

A

HCO3- = PCO2 alpha 10 ^ph-pk
= m + s (7,4-pH)
s = 8,2 + 1,56 Hb

BIOPHYSIQUE (12 decks)

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