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Dipatimenti ya Zaumoyo ku Karnataka posachedwapa yatsimikiziranso zoletsa kugwiritsa ntchito nayitrogeni yamadzimadzi mu zakudya monga mabisiketi osuta ndi ayisikilimu, zomwe zidayambitsidwa kumayambiriro kwa Meyi. Chisankhochi chidachitika mtsikana wazaka 12 wochokera ku Bengaluru atapanga dzenje m'mimba mwake atadya buledi wokhala ndi nayitrogeni yamadzimadzi.
Kugwiritsa ntchito nayitrogeni wamadzimadzi muzakudya zokonzedwa kwawonjezeka m'zaka zaposachedwa, ndipo mankhwala omwe amagwiritsidwa ntchito popereka mphamvu ya utsi ku zakudya zina, makeke okoma ndi zakumwa zoledzeretsa.
Nayitrogeni yamadzimadzi mu zakudya iyenera kusamalidwa mosamala kwambiri. Izi zili choncho chifukwa nayitrogeni iyenera kuziziritsidwa mpaka kutentha kwambiri kwa -195.8°C kuti isungunuke. Poyerekeza, kutentha mufiriji ya m'nyumba kumatsika kufika pafupifupi -18°C kapena -20°C.
Mpweya wosungunuka womwe uli mufiriji ukhoza kuyambitsa chisanu ngati ukakhudza khungu ndi ziwalo. Nayitrogeni wamadzimadzi umaundana minofu mwachangu kwambiri, kotero ungagwiritsidwe ntchito mu njira zachipatala kuti uwononge ndikuchotsa ziphuphu kapena minofu ya khansa. Nayitrogeni ikalowa m'thupi, imasanduka mpweya kutentha kukakwera. Chiŵerengero cha nayitrogeni wamadzimadzi pa madigiri 20 Celsius ndi 1:694, zomwe zikutanthauza kuti lita imodzi ya nayitrogeni wamadzimadzi imatha kukula kufika malita 694 a nayitrogeni pa madigiri 20 Celsius. Kukula mofulumira kumeneku kungayambitse kubowoka kwa m'mimba.
"Popeza kuti ndi yopanda utoto komanso yopanda fungo, anthu angakumane nayo mosadziwa. Popeza malo odyera ambiri amagwiritsa ntchito nayitrogeni yamadzimadzi, anthu ayenera kudziwa za matendawa osowa ndikutsatira malangizo. Ngakhale kuti ndi osowa, nthawi zina amatha kuvulaza kwambiri." Anatero Dr. Atul Gogia, mlangizi wamkulu, dipatimenti ya zamankhwala amkati, Sir Gangaram Hospital.
Nayitrogeni yamadzimadzi iyenera kusamalidwa mosamala kwambiri, ndipo ogwira ntchito ayenera kugwiritsa ntchito zida zodzitetezera kuti asavulale akamakonza chakudya. Anthu omwe amamwa chakudya ndi zakumwa zokhala ndi nayitrogeni yamadzimadzi ayenera kuonetsetsa kuti nayitrogeniyo yatha kwathunthu asanadye. "Nayitrogeni yamadzimadzi ... ngati itagwiritsidwa ntchito molakwika kapena mwangozi, ikhoza kuwononga kwambiri khungu ndi ziwalo zamkati chifukwa cha kutentha kochepa kwambiri komwe nayitrogeni yamadzimadzi imatha kusunga. Chifukwa chake, nayitrogeni yamadzimadzi ndi ayezi wouma sayenera kudyedwa mwachindunji kapena kukhudzana mwachindunji ndi khungu lowonekera," adatero US Food and Drug Administration m'mawu ake. Analimbikitsanso ogulitsa chakudya kuti asagwiritse ntchito asanapereke chakudya.
Mpweya uyenera kugwiritsidwa ntchito pophikira pamalo opumira bwino. Izi zili choncho chifukwa kutayikira kwa nayitrogeni kumatha kuchotsa mpweya mumlengalenga, zomwe zimapangitsa kuti mpweya usakhale wokwanira komanso kuti mpweya usamatuluke. Ndipo popeza kuti mpweyawo ndi wopanda mtundu komanso wopanda fungo, kuzindikira kutayikirako sikophweka.
Nayitrogeni ndi mpweya wopanda mphamvu, zomwe zikutanthauza kuti suchita ndi zinthu zambiri, ndipo umagwiritsidwa ntchito kusunga chakudya chatsopano chomwe chapakidwa m'matumba. Mwachitsanzo, thumba la mbatata likadzaza ndi nayitrogeni, limachotsa mpweya womwe uli mkati mwake. Chakudya nthawi zambiri chimachita ndi mpweya ndipo chimakhala chonyowa. Izi zimawonjezera nthawi yosungiramo chakudyacho.
Chachiwiri, imagwiritsidwa ntchito ngati madzi kuti izizire mwachangu zakudya zatsopano monga nyama, nkhuku ndi mkaka. Kuzimitsa chakudya ndi nayitrogeni ndikotsika mtengo poyerekeza ndi kuzimitsa chakudya mwachizolowezi chifukwa chakudya chochuluka chimatha kuzimitsidwa mumphindi zochepa chabe. Kugwiritsa ntchito nayitrogeni kumaletsa kupangika kwa makristalo a ayezi, omwe angawononge maselo ndi kuwononga madzi m'thupi.
Kugwiritsa ntchito zinthu ziwirizi mwaukadaulo ndikololedwa motsatira lamulo la dzikolo lokhudza chitetezo cha chakudya, lomwe limalola kugwiritsa ntchito nayitrogeni m'zakudya zosiyanasiyana, kuphatikizapo mkaka woviikidwa, khofi ndi tiyi wokonzeka kumwa, madzi a zipatso, ndi zipatso zodulidwa ndi kudulidwa. Lamuloli silikunena mwachindunji kugwiritsa ntchito nayitrogeni wamadzimadzi m'zakudya zomalizidwa.
Anonna Dutt ndi mtolankhani wamkulu wa zaumoyo wa The Indian Express. Walankhula pa mitu yosiyanasiyana, kuyambira pakukula kwa matenda osapatsirana monga matenda a shuga ndi kuthamanga kwa magazi mpaka mavuto a matenda opatsirana omwe amafala. Walankhula za momwe boma lachitira ndi mliri wa Covid-19 ndipo watsatira kwambiri pulogalamu ya katemera. Nkhani yake inalimbikitsa boma la mzinda kuti ligwiritse ntchito mayeso apamwamba kwa osauka ndikuvomereza zolakwika mu malipoti ovomerezeka. Dutt alinso ndi chidwi ndi pulogalamu ya mlengalenga ya dzikolo ndipo walemba za ntchito zazikulu monga Chandrayaan-2 ndi Chandrayaan-3, Aditya L1 ndi Gaganyaan. Iye ndi m'modzi mwa 11 oyamba a RBM Malaria Partnership Media Fellows. Anasankhidwanso kutenga nawo mbali mu pulogalamu ya Dart Center yopereka malipoti a ana aang'ono ku Columbia University. Dutt adalandira BA yake kuchokera ku Symbiosis Institute of Media and Communications, Pune ndi PG kuchokera ku Asian Institute of Journalism, Chennai. Anayamba ntchito yake yopereka malipoti ndi Hindustan Times. Akamalephera kugwira ntchito, amayesa kusangalatsa akadzidzi a Duolingo ndi luso lake lolankhula Chifalansa ndipo nthawi zina amapita kuvina. … werengani zambiri
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