Таджикистан – Энциклопедия на таджикском языке КИТОБАМ

Nitropayvastho, payvasthoi organikie, ki dar molekulaashon yak yo yakchand nitroguruhi (—NOj) bo atomhoi karbon payvast dorand. Mo­no-, di- tri- va polinitropayvasthoro farq mekunand. Nitropayvastho alifati (nitroparafinho va nitroolefinho), aromati (nitroanilinho, nit­robenzol, nitrotoluol, nitronafta­lin va gayra), aromatiyu alifati (dar zanjiri alifatii pahluiashon nitroguruh dorand, masalan, fenilnitrometan SvNvSNgMOg, nitrostirol S*N*— —CH=CHNOj va …

Nil (ba zaboni misroyoni hozira lotini Nilus, yun. Neilos), daryoest dar Afrika. Tulash 6671 kilometr. Masohati havzaash 2870 dva. kilometr2. Havzan Nil territoriyai davlathoi Ruanda, Keniya, Tan­zaniya, Uganda, Efiopiya, Sudon va Misrro purra yo qisman faro girif- taast. Daryo ae pahnkuhi Afrikai Sharqi bo nomi Rukarara ogoz yofta, bad az …

Niso shahri qadim va asrimiyonagi (dimnai on holo dar masofai 18 kilometr Shimoli Garbi shahri Ashqobod voqe ast). Dar asri 3 to milodi— asri 3 milodi Niso az Shahriston (dimnai Nisoi Nav, taqriban 18 ga) va qarorgohi mustahkami shohi Port (dimnai Hisoi Kuhan, nomi qadimiash Mehrdodkart, taqriban 14 ga) iborat …

Nitrofos, nitrofosfat, nurii murakkabi mineralii nitrogenu fosfordor. Ba hisobi miyona 38% N va Ra ob dorad. Bo rohi bo omekhtai kislotahoi nitratu sulfat yo nitratu fosfat vayron namudani apatit yo fosforit va muntazam ammononii moddahoi ba reaksiya dokhilshavanda hosil menamoyaod. Nitrofos az presipitat, omekhtai selitrai am­miakiyu gips yo presipitat, ammofos …

Nisorii Tuni (soli tavallud nomalum — vafot 1560, Tun), shoiri fors-tojik. Az Gunobodi Khuroson. Dar hamon jo khatu savod barovarda, baroi tahsil ba shahri Tun raft va to okhiri hayot on jo mond. Dar ilmi nujum va hayat mahorati tom doshtaast. Beshtar ruboi, qita, muammo va masnavi gufta, dar sarchashmahoi …