Xalqaro birliklar tizimi – si


Xalqaro birliklar tizimi – SI



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6. Xalqaro birliklar tizimi SI

Xalqaro birliklar tizimi – SI
w w w . O r b i t a . U z : I l m i y – o m m a b o p a d a b i y o t l a r t u r k u m i d a n .
Mundarija
Asosiy qism ..................................................................................................................................................5 140
O‘lchov va tarozilar xalqaro qo‘mitasi hamda, Metr Konvensiyasi. .................................................................8 Mundarija.........................................................................................................................................................11
8-nashrga muqaddima.....................................................................................................................................12
1. Kirish. .......................................................................................................................................................14
1.1 Fizik kattalik va birliklar.......................................................................................................................14
1.2 Xalqaro Birliklar Tizimi va uning kattaliklari. .....................................................................................15
1.3 Fizik kattaliklarning o‘lchamliklari. .....................................................................................................16
1.4 Kogerent hosilaviy birliklar, o‘z maxsus nomiga ega bo‘lgan hosilaviy birliklar va SI ning old qo‘shimchalari..................................................................................................................................................17
1.5 SI birliklari umumiy nisbiylik nazariyasi strukturasida........................................................................18
1.6 Biologik jarayonlarni ifodalovchi kattaliklarning birliklari..................................................................18 1.7 Birliklar borasidagi qonunchilik. ..........................................................................................................19
1.8 Tarixiy ma’lumotlar. .............................................................................................................................20
2. SI birliklari................................................................................................................................................23
2.1 SIning asosiy birliklari. .........................................................................................................................23
2.1.1 Ta’riflar .............................................................................................................................................23
2.1.1.1 Uzunlik va Masofa birligi - Metr...................................................................................................23
2.1.1.2 Massa birligi – Kilogramm............................................................................................................24
2.1.1.3 Vaqt birligi – Soniya......................................................................................................................24
2.1.1.4 Elektr toki kuchi birligi – Amper. .................................................................................................25
2.1.1.5 Termodinamik harorat birligi – Kelvin. ........................................................................................25
2.1.1.6 Modda miqdori birligi - mol..........................................................................................................26
2.1.1.7 Yorug‘lik kuchi birligi – Kandela. ................................................................................................28
2.1.2 Yetti asosiy birliklarning ramziy belgilari. .......................................................................................28
2.2 SIning hosilaviy birliklari. ....................................................................................................................29
2.2.1 Asosiy birliklardan keltirib chiqarilgan hosilaviy birliklar. ..............................................................29
2.2.2 O‘z maxsus nomi va belgisiga ega birliklar; maxsus nom va belgilarni o‘z ichiga oladigan birliklar 29 2.2.3 O‘lchamsiz birliklar, yoki, bir o‘lchamli birliklar.............................................................................32
3. SI ning o‘nli karrali va ulushli birliklari...................................................................................................34
3.1 SIning old qo‘shimchalari.....................................................................................................................34
3.2 Kilogramm. ...........................................................................................................................................35
4. SI tizimiga kirmaydigan birliklar. ............................................................................................................36
4.1 SI tarkibiga kirmaydigan, lekin, SI bilan birgalikda qo‘llash mumkin bo‘lgan birliklar, hamda, fundamental fizik doimiylarga asoslangan birliklar. .......................................................................................36
4.2 Qo‘llash tavsiya etilmaydigan, SI tarkibiga kirmaydigan birliklar.......................................................42
5. Birliklarning nomlari, belgilari va fizik kattaliklarning qiymatlarining yozilish qoidalari......................43 5.1 Birliklarning belgilari............................................................................................................................43
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