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Hana ʻoihana o ka mea hoʻokaʻawale centrifuge a me ka mea hana mīkini lāʻau lapaʻau - Zonelink

hiki ke hoʻokaʻawale ʻia ka naikokene-15 e ka centrifuge kinoea

Hiki ke hoʻokaʻawale ʻia ka Nitrogen-15 e ka Gas Centrifuge?

Hoʻolauna

ʻO ka naikokene, kekahi o nā mea nui loa i ka lewa, he kuleana koʻikoʻi kāna i nā kaʻina hana olaola a me nā kemika like ʻole. Ma waena o kāna mau isotopes, ua loaʻa i ka naikokene-15 (N-15) ka nānā nui ʻia ma muli o kona mau waiwai kūikawā a me nā noi i ka noiʻi ʻepekema. Ua lōʻihi ka ʻimi ʻana o nā kānaka ʻepekema i nā ʻano hana like ʻole e hoʻokaʻawale a hoʻopaʻa i ka N-15 no nā kumu he nui. Ma kēia ʻatikala, e luʻu mākou i ka hiki ke hoʻokaʻawale iā N-15 me ka hoʻohana ʻana i kahi centrifuge kinoea, kahi ʻano hana i hoʻohana nui ʻia no ka hoʻokaʻawale ʻana i ka isotope. Kūkākūkā pū mākou i nā noi a me nā hopena o ia ʻano holomua ma ke kahua o ka noiʻi ʻepekema.

1. Ke hoʻomaopopo nei i ke koʻikoʻi o ka Isotope Nitrogen-15

ʻO ka Nitrogen-15, kahi isotope o ka naikokene, he ʻokoʻa ia mai ka naikokene-14 maʻamau ma muli o ke alo o kahi neutron hou aʻe. ʻO kēia ʻokoʻa liʻiliʻi o ka nui atomika e hoʻolilo iā N-15 i mea hana waiwai nui i nā ʻano aʻo ʻepekema like ʻole, me ka biology, kemika, a me ka noiʻi kaiapuni. Hoʻohana pinepine nā kānaka noiʻi iā N-15 ma ke ʻano he tracer e aʻo ai i ka dynamics cycle naikokene, ka lawe ʻana i nā meaʻai i nā mea kanu, a me nā kumu haumia naikokene. Eia nō naʻe, ʻo ka nele o N-15 ke kumu o kahi pilikia nui i ka hoʻāʻo ʻana i ka loiloi isotopic a i ʻole ka hana ʻana i nā hoʻokolohua e koi ana i nā ʻano kiʻekiʻe.

2. Ke Kuleana o ke Kinoea Centrifuge i ka Hoʻokaʻawale ʻana i ka Isotope

ʻO ke centrifugation kinoea e pili ana i ka hoʻokaʻawale ʻana o nā isotopes ma muli o ko lākou ʻokoʻa nuipa ma o ka ikaika centrifugal. Ua hōʻike kēia ʻenehana i ka holomua kupaianaha i ka hoʻokaʻawale ʻana i nā isotopes like ʻole, e like me ka uranium a me ke kalapona, no ka hana ikehu nukelea a me ka noiʻi biomedical. Ma muli o ka holomua o ke centrifugation kinoea i ka hoʻokaʻawale ʻana i nā isotopes, ua ʻimi nā kānaka ʻepekema i kona hoʻohana kūpono no ka hoʻokaʻawale ʻana iā N-15.

3. Nā pilikia i ka hoʻokaʻawale ʻana o ka isotope Nitrogen-15

ʻOiai ua hōʻoia ʻia ka centrifugation kinoea i ka pono i ka hoʻokaʻawale ʻana i nā isotopes kikoʻī, ʻo ka hoʻokaʻawale ʻana o N-15 ke kumu o nā pilikia kūikawā ma muli o kona mau waiwai atomika. ʻOi aku ka nui o ka Nitrogen-15 ma mua o N-14 he 0.37% wale nō, e paʻakikī ai ka hoʻokaʻawale nui ʻana ma o nā ʻano hana centrifuge kinoea maʻamau. ʻO ke koi no ka wikiwiki kiʻekiʻe a me ka pololei i ke kaʻina hana hoʻokaʻawale e hana ai i ka nitro…

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