Page 130 - index

2-ɟɫɟɩ. Ɇɟɯɚɧɢɡɦɿɧɿԙ OA ɢɿɧɬɿɪɟɝɿ O ɨɫɿ ɚɪԕɵɥɵ ɬԝɪɚԕɬɵ ԛɞɟɭɦɟɧ
( H 2 1/ c2 ) ɚɣɧɚɥɵɩ, ɷɥɥɢɩɫɨɝɪɚɮɬɵԙ ɫɵɡԑɵɲɵɧ ( BC ) ԕɨɡԑɚɥɵɫԕɚ
ɤɟɥɬɿɪɟɞɿ (41-ɫɭɪɟɬ).

41-ɫɭɪɟɬ

ȿɝɟɪ ԕɨɡԑɚɥɵɫ ɛɚɫɬɚɥɚɪɞɵԙ ɚɥɞɵɧɞɚ ɢɿɧɬɿɪɟɤ ɬɿɤ ɨɪɧɚɥɚɫԕɚɧ ɛɨɥɫɚ, ɨɧɞɚ
ԕɨɡԑɚɥɵɫ ɛɚɫɬɚɥԑɚɧɧɚɧ ɤɟɣɿɧ ɛɿɪ ɫɟɤɭɧɞ ԧɬɤɟɧ ɫɨԙ B ɠɵɥɠɵԑɵɲɵɧɵԙ ԛɞɟɭɿ
ɧɟɲɟɝɟ ɬɟԙ ɛɨɥɚɞɵ? Ȼɟɪɿɥɿɦɞɟɪ:

OA BA AC r 10 ɫɦ .

Ԕɨɡԑɚɥɵɫ ɛɚɫɬɚɥԑɚɧɧɚɧ ɤɟɣɿɧ ɛɿɪ ɫɟɤɭɧɞ ԧɬɤɟɧ ɫɨԙ ɢɿɧɬɿɪɟɤ M H ˜t2 1
2

ɪɚɞɢɚɧ ɛԝɪɵɲɵɧɚ ɛԝɪɵɥɚɞɵ, ɚɥ ɦɟɯɚɧɢɡɦ 41-ɫɭɪɟɬɬɟ ɤԧɪɫɟɬɿɥɝɟɧ ԕɚɥɵɩԕɚ
ɤɟɥɟɞɿ. ɉɨɥɸɫ ɪɟɬɿɧɞɟ A ɧԛɤɬɟɫɿɧ ɚɥɵɩ, BC ɫɵɡԑɵɲɵɧɵԙ ɠɚɡɵԕ

ԕɨɡԑɚɥɵɫɵɧ ԕɚɪɚɫɬɵɪɚɣɵԕ. ɍɚԕɵɬ t 1c ɤɟɡɿɧɞɟ – ZOA H ˜t 21 ,
c

ɫɨɧɞɵԕɬɚɧ ɠɵɥɞɚɦɞɵԕ: vA r ˜ZOA 2 ˜10 20 ɫɦ / ɫ . A ɧԛɤɬɟɫɿɧɿԙ ԛɞɟɭɿɧ

ɟɤɿ ԛɞɟɭɞɿԙ, ɹԑɧɢ: ɚ n r ˜ Z2 40 ɫɦ / ɫ2 ɠԥɧɟ ɚ W r ˜ H OA 20 ɫɦ / ɫ2
A OA A

ԛɞɟɭɥɟɪɿɧɿԙ ԕɨɫɵɧɞɵɫɵ ɪɟɬɿɧɞɟ ԕɚɪɚɫɬɵɪɚɦɵɡ.

ȿɧɞɿ BC ɫɵɡԑɵɲɵɧɵԙ ɥɟɡɞɿɤ ɛԝɪɵɲɬɵԕ ɠɵɥɞɚɦɞɵԑɵɧ ɬɚɛɚɣɵԕ. Ɉɥ

oo

ԛɲɿɧ, vB ɠԥɧɟ vȺ ɠɵɥɞɚɦɞɵԕɬɚɪɵɧɚ ɩɟɪɩɟɧɞɢɤɭɥɹɪ ɠԛɪɝɿɡɿɩ, P ɧԛɤɬɟɫɿɧ
ɬɚɛɚɦɵɡ. Ɉɫɵ ɧԛɤɬɟ ɫɵɡԑɵɲɬɵԙ ɠɵɥɞɚɦɞɵԕɬɚɪɵɧɵԙ ɥɟɡɞɿɤ ɰɟɧɬɪɿ ɛɨɥɵɩ

ɬɚɛɵɥɚɞɵ. ɋɨɧɞɵԕɬɚɧ ZBC vA , ɚɥ PA OA r ɛɨɥԑɚɧɞɵԕɬɚɧ ZBC vA .
PA r

ɍɚԕɵɬ t 1c ɤɟɡɿɧɞɟ: ZBC 2 1 .
c

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