11.dielectric - 5 55 8td 5 1 55 X 5.1 ~ 5.2 s X 5.3 X D 5.4...

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1 5 5 5 5
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2 5.1 ~ 5.2 s 5.4 s 5.5 s 5.3 ( ) D 5 5 X¹ª*
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3 i 3 Øoe \ 5 5 \ ˆtd ¹ª* x ˜ñ` àae *sd ¹ª*H ð`àae *
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4 5.1 k 5 r 0 ε U U = r >1…… 5 (´X¹ s s (´X¹ª* 0 J r d Q + Q + U Q - Q - E r 0 E 0 U U KD018 5
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5 r 0 / ε d U d U = r 0 / E E U U = τδ≠♠ td¹ª* r 0 U U = r =10 3 —10 4 5 5 5 r =1 5 5 (20 , 1atm) r =80 5 5 5 r =4~7
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6 1. 5 --- B . 5 H 2 5 N 2 5 O 2 5 CO 2 - + - H e H + + + - + + H + H + C H + CH 4 5 §5.2 s s 5 ( polarization)
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7 - + + O H + H + + H 2 O 2. 5 --- à>Ú¹ H 2 O 5 CO 5 SO 2 5 NH 3 ….. + - H + + + - + H + H + N NH 3 5 + - m C 10 ~ 30 - p
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8 5 . 5 1. 5 5 displacement polarization 5 S 2. 5 5 orientation polarization 5 S 0 = E U 0 E U P θ E U ↑→ θ E E p & 0 = E U ± 0 E U 0 = p U U E p U ↑→ p E U U - + E 2-08λÒƼ«»¯.exe 2-09תÏò¼«»¯.exe
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9 5 0 td ¹ª* p E & ±a‘²³* À ³X HH 8td¹ ª* ˜ñ`à ae ð`àae * @ ¹
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10 P U U n U , 5 5 p n P = P P = i i V p P Δ 5 & 0 = P ± ª & = P ± ª* , 5 p P V Δ P U E U E P U U : π 5 5 5 E E P ) 1 ( r 0 - = ε ε
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11 o e r χ ε 1 5 E P e 0 = … è , e E P ) 1 ( r 0 - = ε , 1 r e - = ε
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12 : l . s ˆ9^¹ ª ˆ ^¹ d s U U d s ¼X¹ª 5 l * ^¹ª U P E & s d E q - l q + P
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13 ds U s P s np s nql q l s n q d cos d cos d cos ) cos (d d = = = = θ σ cos d d = = P s q UU ’… d s ½ ¹ª* 5 ½ ¹ª s d n ˆ E q - l q + P
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14 8?^¹ª* n ˆ P = σ θ cos d d = = P s q àae* n P = s d n ˆ E q - l q + P
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15 5 P + + + + σ P E 1. s : d s , n P = σ ξ ξ ˜ H P
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16 2. è ( è ) * S U è * S U d s S P s P q d d cos d = = θ ¹ª ∫ ∫ = ) ( d s S P q & L σ n ˆ P P n ˆ S U q S d
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17 ∫ ∫ = ) ( d s S P q & ± ≡Ξ ≠♠ & & ∫ ∫ - = ) ( d s S P q & & ² ³‘´µ*² ±”X„“ ±”X„“*² & ¶a‘´µ*² ·?^„“*² H ² h¸¹„ ±”X„“ & ² ³‘´µ*² & & q q - =
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18 5 E P ) 1 ( r 0 - = ε n P = σ P U P P ∫ ∫ - = ) ( d s S P q &
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This note was uploaded on 03/25/2010 for the course PHYSICS 17 taught by Professor J.dong during the Spring '10 term at Tsinghua University.

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11.dielectric - 5 55 8td 5 1 55 X 5.1 ~ 5.2 s X 5.3 X D 5.4...

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