Ilm

Nometallho, elementhoi khimiyavie, ki khosiyati metalli nadorand. Istilohi «metalloidho», ki bazan baroi ifodai Nometallho kor mefarmoyand az bayn raftaast. Ba Nometallho 22 elemeti mansub ast: gidrogen, nitrogen, oksigen, ftor, khlor, gazhoi inerti, brom, bor, karbon, silitsiy, fosfor, sulfur, arsen, selen, tellur, yod va astat. Atomi Nometallho elektron payvast karda anionhoi …

Nishoihoe, ki dar libosi nizomi dukhta yo chasponda shuda, ba rutbayu darajai khizmatchioni harbi ishorat mekunand va ba kadom navi qushun taalluq doshtani onhoro nishon medihand. Nishonhoi Harbiro dar SSSR Prezidiumi Soveti Olin SSSR muqarrar mekunad. Dar armiyahoi hozira pogonho, nishoni kallapushho, petlitsaho — emblemaho, nishonhoi sarisinagi va ostini, kantho …

Nobarobari dar matemati­ka, vobastagii bayni adadho yo buzurgihost, ki nisbat ba hamdigar kalon yo khurd budani onhoro nishon medihad. Baroi ishorai Nobarobari alomati < -ro istifoda mebarand, ki qullai on ba samti adadi khurd nigaronda meshavad. Masalan, vobastagihoi 2>1 va 1 < 2 nishon medihad, ki 2 az 1 kalon …

Nobarobarii Gelder nobarobariest, baroi summahoi okhirnok  boshand. Nobarobarihoi mazkurrr bori avval soli 1889 matematiki nemis O. L. Gyolder (O. L. Holder) muqarrar namudaast. Nobarobarii Gelder dar taqlidi matematiki az mamultarin nobarobarihost. Hangomi r  =  q  = 2 budai Nobarobarii Gelder baroi summahoi okhirnok ba nobarobarii Koshi badal shavad, baroi integralho ba …

Nobarobarii Minkovskiy, nobarobarii,  ki dar on  va (k = 1, 2, …, p) adadhoi gayrimanfi va r > 1 me­boshad., N. M. baron katoru integral- khoi benntpkho niz sobnli tatbis ast. In nobarobariro matematiki nemis G. Minkovskiy s. 1896 musarrar na- mud. Nobarobarii Minkovskiy sobit mekunad, ki agar dar fazoi n-chena …

Nimnoqilho guruhi kaloni moddaho (sakht, moe, amorfi), ki az rui qimati noqiliyati elektriashon (a) bayni metallho (o — 10e — 104 Om—1 santimetr-1) va dielektrikho (o < s 10-1°—Yu-12 Om-1 om-1) joy megirand (qimathoi o ba harorati khona muvofiqand). Jihati az metallho farqkunandai Nimnoqilho in ast, ki bo afzoishi harorat …

Nistabati du adad, hosili taqsimest, ki dar natijai taqsim kardani adadi yakum ba adadi duyum hosil meshavad. Nisbati du buzurgii yakjinsa adadero memonad, ki hangomi buzurgii duyumro chun vohidi chenkuni qabul karda chen namudani buzurgii yakum hosil shudaast. Agar du buzurgi tavassuti yak vohidi chenkuni chen shuda boshand, Nisbati onho …

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 …

Nitr (az yunoni nitron, lotini nitrum, avvalho — sodai tabii, az asri 8 — selitra), qismi avvali tarkibii istilohoti sodai khimiya, biologiya va gayra, ki ba nitrogen mansub budanro ifoda menamoyad: masalan, Nitrogliserin, Nitroefirho.

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 …