अंतरराष्ट्रीय ताप मापक्रम

aantararashtriy tap mapakram ka nirdharan san 1927 ee. mean ek aantararashtriy kameti ne ooshmagatikiy mapakram ko kriyatmak roop dene ke lie kiya tha. gais tapaman mean anek prayogavarti kathinaiyoan ke karan aise mapakram ko nirdharit karane ki avashyakata huee. yah hamare vartaman jnan ki sima tak ooshmagatikiy mapakram se ekadam milata hai aur sath hi saralata se aur bariki se punarsthapaniy bhi hai.

• aantararashtriy tap mapakram' ke adhar anek punarsthapaniy biandu haian, jinhean saankhyik man de die ge haian aur unake bich ke tapoan ke lie yah tay kar liya gaya hai ki nimnalikhit prakar se vibhinn tapamapiyoan ke pathoan ko manak roop mean svikriti di jaegi-

1. 0° sean. 660° sean. - manak plaitinam pratirodh tapamapi, jise 0° , 100° aur gandhak ke kvathanaank par aanshit kiya gaya ho.
2. 190° sean. se 0° sean. - pletinam pratirodh tapamapi jisake dvara tap is sootr se prapt kiya jae-

jisake niyataank barph, bhap, gandhak aur aauksijan bianduoan par aanshan dvara prapt kie ge hoan.

1. 660° sean. se 1063° sean. - plaitinam, plaitinam rediyam yugm jisamean tap ke lie sootr hoga, jisake niyataank aiantimani ke himaank tatha chaandi aur sone ke bianduoan se prapt hoange.
2. 1063° sean. se oopar - prakash uttapamapi jise sone ka biandu par aanshit kiya jae.

yah aantararashtriy mapakram ooshmagatikiy mapakram ke manoan ko sthanaantarit nahian karata, apitu vyavaharik kshetr mean adhikaansh karyoan ke lie usaka paryapt yatharthata se pratinidhitv karata hai.

panne ki pragati avastha

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madhyamik

poornata

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