Nukleus (lot. nucleus—gulula), porai sangi chaqmoq yo navi digari sang, ki az on oloti sangi tayyor karda meshud. Baroi davrahoi Nukleus va porai on paleolit, mezolit, neolit va eneo­lit khos ast.

Nurihoi moe, nurihoi mine­ralii moero guyand, ki dar tarkibashon moddahoi gizoii baroi rastani zarur dorand. Ba Nurihoi moe nurihoi nit­rogendor (ammiakob, ammiakatho, mahlulhoi konsentrasiyanoki kar­bamid va selitrai ammiak) va nurihoi murakkabi moe dokhil mesha­vand. Nurihoi  moei nitrogendor dar SSSR az soli 1956 va nurihoi murakkabi moe az 1966 istehsol va …

Nuri Mullo Nuruddin Muhammadi Tarkhoni Safeduni (soli tavallud va vafotash nomalum), shoiri forsizaboni asri 16 Hinduston. Dar Safeduni nohiyai Sarhindi Hindustoi chand chand hokim budaast va ba Safeduni maruf shudanash niz az in jost. Nuri mardi donishmand buda, dar ilmi riyozlyot, hikmat va nujum ba ustodi nom barovardaast. Soli 1559 …

Nukualofa (Nukualofa), poytakhti davlati Tonga. Aholiash ziyoda az 25 hazor nafar (1980) . Bandar dar jazirai Tongatabu, dar qismi garbii uqyonusi Orom. Ba vositai bandari Nukualofi ba khorija donaki nakhl va banan barovarda meshavad.

Nurihoi murakkabu omekhta, navi nurihoi kompleksi.

Nuri Hoji Nuruddini Mu­hammadi Kozarunii Sufi (soli tavallud va vafotash nomalum), shoiri asri 15 fors-tojik. Nuri az shoironi mutasavif va purmansuli zamonash buda, az u osori ziyode boqi mondaast. Az jumla, majmuai ruboiyot, masnavie bo unvoni «Mavludnoma», ki soli 1483 ba poyon rasidaast va taqriban 30000 baytro darbar megirad. Ba …

Nuklunho, nukleonho, nomi umumii protonhovu neytronhost, yane zarrahoe, ki yadroi atomro tashkil medihaid. Nig. niz Neytron, Proton.

Nurihoi nitrogendor payvasthoi organiki va gayriorganikii nitrogendor. Nurihoi nitrogendorro baroi ba­land bardoshtani hosilnokii ziroat ba khok meandozand. Nurihoi nitrogendor minera­li, organiki va sabz meshavand. Makhsusan Nurihoi nitrogendori minerali muhim buda, dar sanoati khimiya . Nurihoi nitrogendori mineralii nitrati (nitrati nat­riy, kalsiy, kaliy), ammiaki (sul- fati ammoniy, khloridi ammoniy, karbonata ammoniy) …

Nurchonov Nizom (tavallud 18. 12. 1923, Bukhoro), olim, munaqqid va teatrshinosi sovetii tojik, doktori ilmhoi sanatshinosi (1968). Hodimi Khizmatnishondodai Sanati RSS Tojikiston. (1974). Az oilai khizmatchi. Azoi KPSS az soli 1948. Ishtirokchii jangi Buzurgi Vatani. Soli 1947 Instituti davlatii pedagogii Dushan­be va 1951 aspiranturai Akademiyai Fanhoi RSS Tojikistonro khatm kardaast. …

Nuli mutlaq, sifri mutlaq, nuqtai sarhisobi harorati mutlaqest, ki az harorati nuqtai segonai ob 273,16 K poyon joygir ast (nig. Shkalahoi harorat). Dar Nuli mutlaq harakati haroratii betartibonai molekulahoi modda qat megardad. Dar harorathoi ba Nuli mutlaq khele nazdik hamai moddaho (gayr az geliy) dar holati kristalli sakht boqi memonand. …