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Oksigenro khorij kardani bargho

Dar rushnoi gazi karbonatro furu burda, oksigenro khorij kardani bargho

CHi tavre ki qablan qayd kardem, fotosintez ravandest, ki dar rushnoi az moddahoi gayriorganiki ob va gazi karbonat dar bargi sabzi rastaniho moddahoi organiki (qand, ohar) hosil megardad va oksigen khorij meshavad. Rastaniho gazi karbonatro az havo qabul mekunand (furu mebarand). Dar tarkibi havo 0,03 foiz gazi karbonat mavjud ast.

Baroi aniq kardani on, ki gazi karbonati havo haqiqatan dar ravandi fotosintez ishtirok mekunad, tajribai zerin yori merasonad. Du tubaki na on qadar kalonro, ki dar onho rastanii khonagii anjibar yo guli tutiyo nashunamo mekunad girifta, dar joi torik meguzorem, to ki moddahoi organikii dar barg mavjudbuda purra istifoda shavaid. Badi 2-3 ruz tubakhoi rastanidorro ba rui yak porcha shisha guzoshta onhoro bo sarpushi shishagin mepushonem. Ba zeri sarpushi tubaki yakum dar pakhdui guli tutiyo yak stakan mahluli ishqori tez meguzorem. Ba zeri sarpushi duyum boshad, stakani mah- luli sodadoshtaro, ki ba on mahluli susti kislotai gidrogenkhlorid ilova karda shudaast, meguzorem. Har du sarpushhoro pushonida, ba girdash ruganak (vazelin) molida, ba rushnoi memonem.

barg-oksigenDere naguzashta, dar zeri sarpushi tubaki yakum gazi karbonat namemonad, chunki onro ishqor tez furu mebarad. Dar zeri tubaki duyum.boshad, baraks, mikdori gazi karbonat ziyod meshavad. CHunki bo tasiri sodayu kislota ba miqdori zaruri gazi karbonat khorij meshavad.

Pas az yak ruz sarpushro az boloi rastaniho girifta, az har kadomi onho yaktogi barg girifta, chun dar tajribakhoi guzashta guzaronidaamon (sah. 64), hosil shudan yo nashudani oharro mesanjem. Mebinem, ki bargi az rastanii tubaki yakum giriftaamon (dar sha- roiti nihoyat nochiz budani mikdori gazi karbonat yo nabudani on) bo tasiri yod kabud nameshavad, yane ohar hosil nashudaast. Baraks, bargi az rastanii tubaki duyum giriftaamon (dar sharoiti gazi karbonati barziyod) bo tasiri yod kabud meshavad. In chunin mano dorad, ki dar chunin sharoit ba mikdori ziyod ohar hosil shudaast.

Hamin tavr, dar hosil shudani ohar (yo qand) mavjudiyatu ishtiroki gazi karbonat hatmi meboshad. Rastanihoi ruizamini gazi karbonatro az havo megirand. Rastanihoi obi boshand, gazi karbonati dar ob halshudaro furu mebarand. Masalan, chunin tajriba meguzaronem. SHokhchai rastanii obi — elodeyaro ba bankai obdor andokhta, boloyashro bo qif mepushonem. Ba iugi qif probirkai purobro chappagardon karda mepushonem. Bad bankaro ba joi ravshan meguzorem.

Dar rushnoi dere naguzashta, az shokhchahoi elodeya hubobchahoi gazi nomalum khorij shuda, az probirka obro fushurda berun mekunad V& Badi yakchand soat gaz tamomi probirkaro pur mekunad. On goh probirkaro berun barovarda, ba on darhol chubchai nimsuzro dokhil mekunem. CHubcha shulavar meshavad. Az in chunin mebaroyad, ki dar probirka gazi oksigen, ki barghoi sabzi elodeya dar ravshani (dar ravandi fotosintez) khorij kardaast, jam shudaast.

Agar bankai elodeyador yo tubaki rastanidorro, dar joi torik guzorem, oksigen khorij nameshavad, zero rastani faqat dar rushnoi gazi karbonatro furu burda, oksigenro khorij mekunad.

  1. Dar rastanihoi sabz ohar az kadom moddaho hosil meshavad?
  2. Kadom tajriba nishon medihad, ki rastanihoi sabz dar rushnoi gazi karbonatro furu mebarand?
  3. Rastanihoi obi oyo oksigenro khorij mekunand?
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