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MANBAI ENERGIYA VA SINNU SOLI ZAMIN

Inkishof va tabdilyobii materiyaro be jarayoni energiya tasavvur kardan mumkin nest. Manbahoi energiyaero, ki evolyatsiyai minbadai moddaro dar Zamin tamin mekunand, dida mebaroem. Roli manbahoi energiyaro baho dodan dush-

vor meboshad. Moro zarur ast, ki bemuvozinatii sharoit, khunukshavii mahsuli reaksiya va darajai muhofizati onhoro az manbai energiya dida baroem.

zamin

Ehtimol, har yak manbai energiya (jadvali 2.3) ba tabdilyobii moddaho dar sayyorai mo tasiri kalon rasonidaand. Baroi chi guna ba amal omadani in, albatta, daleli obektivi vujud nadorad. Ammo ravandhoero, ki dar davrahoi khele qadim dar sayyorai mo meguzashtand, muayyan kardan mumkin ast. YAkum, sarhadi vaqtro muayyan kardan zarur ast. Duyum, muvofiqi imkoniyat takror kardani sharoiti aniq dar har kadom davrai vujud doshtani sayyorahoi muhokimashuda.

Baroi muhokimai masalai paydoishi hayot dar rui Zamin ba gayr az donistani manbai energiyae, ki baroi tabdilyobii materiya zarur ast, boyad oidi davom kardani vaqti in tabdilyobiho tasavvuroti durust mavjud boshad.

Taraqqiyoti fanni fizika dar zamoni hozira ba biologho imkoniyat medihad, ki metodhoi sermahsultari muayyan kardani sinnu soli in yo on jinshoi kuhii qabathoi Zaminro istifoda barand.

Mohiyati in metodho dar namunaho (modelho) tahlil kar- dani tanosubi izotophoi gunogun va mahsuli okhirini tajziyai hastai va muvofiqii natijahoi tadqiqot az vaqti tajziyai elementhoi avvalin meboshad (jadvali 2.4). Tadqiqotho tavassuti chunin metodho ba olimon imkon dod, ki jadvali takhminii tarikhi zaminro az vaqti khunukshavii on 4 mlrdu. 500 mln. sol pesh to zamoni hozira tartib dihand (jadvali 2.5).

Aknun bo istifoda az in jadvali muvaqqati boyad muayyan kunem, ki sharoiti zamini onvaqta chi guna bud, atmosferai avvalini on chi guna tarkib dosht, harorat, fishor chi khel bud, uqyonusho kay paydo shudaand va khudi Zamin chi tavr tashakkul yoftaast?

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