Nishonaatom, nigared. Indikatorhoi izotopi.

Nitrifikasiya (az «nitr… va lotini facio — mekunam), prosessi mik­robiologii tabdili namakhoi ammo­niy ba nitratho (shakli asosii gizoi nitrogenii rastani). Dar khok va obi obanborho ba amal meoyad. Nitrifikasiya nishondihandai hosilkhezii khok ast. Nitrifikasiyaro bakteriyahoi nitroanduzi khemosintezi ba vujud meovarand. Nitrifikasiya dar du davr meguzarad. Avval ioni ammoniy bo tasiri …

Nishondihandai gidrogeni, pH—buzurgie, ki konsentrasiya yo faoliyati ionhoi gidrogen (gid­roksil)-i mahlulro nishon medihad. Nishondihandai gidrogeni ba konseptrasiyai ionhoi gid­rogen, ki bo logarifmai manfi ifoda yoftaast (Sn+), yo faoliyati termodinamiki  pH = —LgCH+ yo pH — —Lg«H+. Dar muhiti neytrali (N-) – (ON ) = = 10-7 g. ion/litr yane pH …

Nitroammofoska, nurii murakkabi mineralii nitrogen fos­for va kalpydor. 50—54% N, R20$ va K20 dorad. Ba kislotai fosfat vad nitrat (dar omekhtapsh dlorldi am­moniy va sulf&ti kaliy) ammiak tasir namuda N.-ro dosil _meku- nand. N. ae selitrai ammiaki, am­mofos, diammofos, khloridi ammo­niy, sulfati ammoniy va selitrai kaliy iborat buda, damchun nurii …

Nishondihandai rang dar astronomiya, farqi qadrhoi sitoravist, ki dar du intervali darozihoi mavj hosil meshavand; khususiyati asosii taqsimoti energiyaro dar spektri jirmi osmoni va rangi on­ro ifoda mekunad. Mafhumi «Nishondihandai rang»- ro ibtidoi asri 20 astronomi nemis K. Shvarsshild ba ilm dokhil namud. To solhoi 50-umi asri 20 Nishondihandai pangi …

Nitroanduzho, bakteriya­hoi nitroanduz, bakteriyahoe, ki ammiak va namakhoi ammoniyro ba nitratho tabdil medihand; bak­teriyahoi aerobi, serharakat (kam­ennaya dorand) buda, sokini khok va obanborhoand Nitroanduzho mikrobiologi rus S. N. Vinogradskiy soli 1889 kashf va tavsif kardaast (in kashfiyot ba u imkon dod, ki talimoti khemosintezro ofarad). Ba nitratho mubaddal shudani NH3 …

Nishondihandai shikast nisbii du muhit p21 gufta nisbati surathoi pahnoishi rushnoiro dar muhithoi 1-um (i>i) va 2-yum 01 (»}) menomand; p2» == “ (Nishondihandai shikast bu­zurgii beandoza meboshad). (nig. Shikasti rushnoi). Agar muhiti 1-um vakuum boshad (ki dar on surati rushnoi saZ-1010 m/son ast), on goh Nishondihandai shikasti muhit nisbat …

Nimcha chenaki vazn dar Osiyoi Miyona. Nimcha dar nohiyaihoi mukhtalifi Osiyoi Miyona, az jumla amorati Bukhoro gunogun bud. Bisyor makhazhoi tarikhi nishon medihand, ki Nimcha dar Movarounnahr barobari 1/256 man ast. Dar Bukhoro va Samarqand bo mani 20 kilogrammi (asrhoi 15—16) Nimcha taqriban ba 78 gramm, dar Jizzakh bo mani …

Nitrogen (az nitro… va…gem), N, elementa khimiyavii guruhi V sis­temai davrii Mendeleev, raqami at. 7, massai at. 14,0067. Nitrogeni tabii az 2 izotopi sobit: 4N (99,635%) va1,5N(0,365%) iborat ast. Az izotophoi radioaktiviash ,3N(T’/2 *= 10,08 daqiqa) beshtar ustuvor ast. Payvasthoi Nitrogen— selitra, kislotai nitrat, ammiak pesh az kashfi Nitrogeni ozod …

Nikopol, shahrest dar viloyati  Dnepropetrovski RSSU, dar sohili obanbori Kakhovkai daryoi Dnepr. Bandari daryoy, stansiyai rohi ohan Aholiash 146 hazor nafar (1979). Nikopol— markazi kaloni istehsoli madani mangan. Korkhonahoi kalonash: 3avodi metallurgii gulbasozii Nikopol, zavodhoi ferrokhula, istehsoli moshinhoi binokoriyu rohsozi, istehsolu montaji deghoi bugi, mekhaniki, konstrusiyahoi ohanu betoni, tamiri mekhanizmho …