ingaba i-nitrogen-15 ingahlulwa yi-gas centrifuge

Ngaba iNitrogen-15 Ingahlulwa yiGesi Centrifuge?

Intshayelelo

I-nitrogen, enye yezona zinto zininzi emoyeni, idlala indima ebalulekileyo kwiinkqubo ezahlukeneyo zebhayoloji kunye neekhemikhali. Phakathi kwee-isotopes zayo, i-nitrogen-15 (N-15) ifumene ingqalelo enkulu ngenxa yeempawu zayo ezikhethekileyo kunye nokusetyenziswa kwayo kuphando lwesayensi. Izazinzulu bezisoloko zihlola iindlela ezahlukeneyo zokwahlula nokugxininisa i-N-15 ngeenjongo ezahlukeneyo. Kweli nqaku, sijonga amathuba okwahlula i-N-15 sisebenzisa i-gas centrifuge, indlela esetyenziswa kakhulu yokwahlula i-isotope. Sikwaxoxa ngezicelo ezinokubakho kunye neziphumo zempumelelo enjalo kwicandelo lophando lwesayensi.

1. Ukuqonda Ukubaluleka kweNitrogen-15 Isotope

I-nitrogen-15, i-isotope ye-nitrogen, yahlukile kwi-nitrogen-14 eqhelekileyo ngenxa yokubakho kwe-neutron eyongezelelweyo. Lo mahluko mncinci we-athomu wenza i-N-15 ibe sisixhobo esixabisekileyo kwiinkalo ezahlukeneyo zesayensi, kubandakanya i-biology, i-chemistry, kunye nophando lokusingqongileyo. Abaphandi badla ngokusebenzisa i-N-15 njenge-tracer ukuze bafunde i-dynamics yomjikelo we-nitrogen, ukufunxwa kwezondlo kwizityalo, kunye nemithombo yongcoliseko lwe-nitrogen. Nangona kunjalo, ukunqongophala kwe-N-15 kuvelisa umngeni omkhulu xa kuzama uhlalutyo lwe-isotopic okanye kuqhutywa iimvavanyo ezifuna ukugxila okuphezulu.

2. Indima yeGesi Centrifuge ekwahlulweni kwe-Isotope

Ukusasazwa kwegesi kubandakanya ukwahlula ii-isotopes ngokusekelwe kumahluko azo ngobuninzi ngokusebenzisa amandla e-centrifugal. Le ndlela ibonakalise impumelelo ephawulekayo ekwahlukaniseni ii-isotopes ezahlukeneyo, ezifana ne-uranium kunye ne-carbon, kwimveliso yamandla enyukliya kunye nophando lwezonyango, ngokulandelelana. Ngenxa yempumelelo yokusasazwa kwegesi ekusasazweni kwee-isotopes, izazinzulu bezihlola ukusetyenziswa kwayo okunokwenzeka kokwahlula i-N-15.

3. Imingeni yokwahlulwa kweNitrogen-15 Isotope

Nangona i-gas centrifugation ibonakalise ukuba iyasebenza ekwahlukaniseni ii-isotopes ezithile, ukwahlulwa kwe-N-15 kudala imingeni eyahlukeneyo ngenxa yeempawu zayo zeathomu. I-nitrogen-15 inkulu nge-0.37% kuphela kune-N-14, okwenza kube nzima ukufikelela kulwahlulo olukhulu ngeendlela ze-gas centrifuge eziqhelekileyo. Imfuneko yesantya esiphezulu kunye nokuchaneka kwinkqubo yokwahlukanisa yenza i-nitro...