Ordovik, davrai (siste­mai) ordovik, davrai duyumi erai paleozoy bad az kembriy. Bo usuli radiologi muayyan shudaast, ki Ordovik 500 million sol muqaddam ogoz yofta, 60 million sol davom kardaast. Tahnishasthoi in davra boshand, si­stemai Ordovikro tashkil medihand. Sis­temam Ordovikro soli 1879 geologi anglis Ch. Lapuors dar Uels muqarrar namud. Nomi …

Organhoi sanitari, nigared Umuri sanitariyu epidemiologi.

Orenburg, viloyatest dar hayati Respublikai Sovetii Federativii Sotsialistii Rossiya. 7 dekabri 1934 (az soli 1938 to 1957 viloyati Chkalov) tashkil yoftaast. Masohat 124 hazor kilometr2. Aholiash 2069 hazor nafar (1979). 34 rayon, 10 shahr va 25 posyolkai tipi shahr dorad. Markazash shahri Oren­burg. Bo du ordeni Lenin (1956, 1968) mukofotonida …

Organhoi siyosi d a r Q u v v a h o i Musallahi SSSR, organ­hoi rohbarikunandai Partiyai Kommnunistii Ittifoqi Soveti dar Quvvahoi Musallahi SSSR. Vazifahoi Organhoi siyosi ijroi korhoi siyosy dar bayni khizmatchiyoni harbi, muttahid namudani onho dar atrofi KPSS va Hukumati Soveti, tarbiyai hayati shakhsi dar ruhi sadoqati …

Orekhovo-Zuevo, shahrest dar viloyati Moskvai Respublikai Sovetii Federativii Sotsialistii Rossiya, dar sohili daryoi Klyazma (shokhobi Oka). Uzeli rohi ohan. Aholiash 132 hazor nafar (1979). Orekhovo-Zuevo yake az qadimtarin markazhoi sanoati matohoi pakhtagin meboshad. Sanoati moshinsozi, khimiya va istehsoli masolehi bnnokori niz rivoj yoftaast. Instituti pedagogi, 4 tekhnikum, 2 omuzishgoh, teatri …

Orif Muhammadsharif (soli tavallud va vafot nomalum), shoir va muarrikhi nimai duyumi asri 18 va avvali asri 19 tojik. Dar mavzei Ogonaqii Bukhoro ba dunyo omadaast. Dar Mad­rasa tahsil karda, ilmhoi rasmii zamonashro omukht. Avval dar akhdi amir Shohmurod (1785—1800) va bad amir Haydar (1800—27) ba sifati voqeanigori darbor khizmat …

Orif Mulloolimi Kobuli (soli tavallud va vafot nomalum), shoir va donishmandi forsizaboni asri 16 Hinduston. Dar Gulbahor nom mavzei tobei Kobul ba dunyo omadaast. Takhallus «Bahori» va digarash «Rabei». Mardi shirinsukhan va bazlague bud. Dar tasavvuf va ahvoli mashoikhi Hinduston talifote chand ba anjom rasondaast («Sharhi maqosid va tajrid», «Favoteh-ul-viloya» …

Onon, daryoest dar Respublikai Khalqii Mongoliya va viloyati Chitai Respublikai Sovetii Federativii Sotsialistii Rossiya. Bo daryoi Ingoda hamroh shuda daryoi Shilka (havzai Amur)-ro tashkil medihad. Tulash 1032 kilometr; masohati havzaash 96200 kilometr2. Az kuhsori Khentey ogoz yofta, dar masofai ziyod dashti balandi hamvorro burida meguzarad. Jazirahoi bisyore do­rad. Manbaash asosan …

Operasionalizm, empirizmi operasionali, talimoti falsafiest oid ba aznavsozii operasionalii zaboni ilm. Operasionalizm vobasta ba muhimtarin kashfiyothoe, ki dar fizikai ibtidoi asri 20 ba amal omada, dar borai sirishti gnoseologii mafhumhoi fiziki, dar bobi munosibati onho ba tachriba va gayra masala bardoshtaand, paydo shudaast. Operasionalizmro P. U. Brijmen solhoi 20 ba …

Ontario (Ontario), yake az kulhoi sistemai Kulhoi Buzurgi Ame­rikai Shimoli voqe dar, Shtathoi Muttahidai Amerika va Kanada. Qarib 310 kilometr darozi va to 90 kilometr bar dorad. Masohat 19,5 hazor kilometr* Chuquriash to 236 metr. Masohati havzaash qarib 90 hazor kilometr2. Ob az kulhoi dar bolo choygirifta ba vositai daryoi …