Ilm

«METEOR», sistemai kayhonii meteorologii soveti; sistemai meteorologii PM3-U «Meteor» va baze radifoni silsilai «Kosmos», vasoiti zamini — punkthoi qabuli akhborot, korkard va intishori malumoti meteorologi, umuri nazorati asbobu anjomi RMZ va idora kardani onhoro dar bar megirad (nig. Radifi meteorologi). Kori sistemai «Meteor» bo cap doda shudani RMZ-i «Kosmos-144» (28 …

METEORITI SIKhOTE-ALIN, meteoriti azimi Oshanin, ki 12 fevrali 1947 dar shokhahoi garbii q-kuhi Sikhote-Alin ba Zamin aftidaast. Meteoriti Sikhote-Alin dar balandii 4—5 km az sathi Zamin pora shuda, ba namudi boroni meteoritii ohani fuuu rekht. Dar joi aftishi porahoi kalontarini Meteoriti Sikhote-Alin tanuraho (diametrashon az 4 to 28 m) ba …

METEORITI TUNGUS, nomi yak voqeai nodiri tabiat ast, ki soati 7 pagohii 30 iyuni 1908 dar havzai d.  Podkamennaya Tunguska (hozira okrugi avtop. Evenkkho, kishv. Krasnoyarski RSFSR) ruy doda bud. Padidai mazkur ba hodisai aftishi meteoritho monandi dosht, az jihati miqyos az on ba kulli farq mekard. Dar davomi yakchand …

METEORITIKA, (shihobshinosi), yak fasli ilmest, ki moddai meteoriro dar hamai holat va zuhuroti on meomuzad. Meteoritika harakati jirmhoi meteoriro dar fazoi bayni sayyoraho va dar atmosferai Zamin, tasiri mutaqobili moddahoi meteoriro bo atmosfera va sharoiti aftishi meteorithoro ba rui khok tadqiq mekunad. Meteoritika inchunin tarkibi khimiyaviyu minerali, sokhtu sirisht, khosiyathoi …

METEORITHO, jismhoi ohanii sangie, ki az fazoi baynisayyoravi ba Zamin meaftand; boqimondahoi moddai meteorieand, ki dar atmosfera purra sukhta nobud nashudaast. Meteoritho ba se sinf: ohani, ohaksangi va sangi taqsim meshavand. Nishonahoi asosii Meteoritho chuninand: shaklan dagar-buguri tegahoyash hamvorshuda; karakhshi gudozishi, ki Meteorithoro chun pardai tunuk pushonidaast, inchunin chuqurchahoi khossae, …

METALLHOI RANGA, nomi tekhnikai hamai metallho va khulahoi onho (gayr az ohan va khulahoi on, ki metallhoi siyoh nom dorand). Istilohi «Metallhoi ranga» dar zaboni tojiki bo termini «metallhoi gayriohan»-i bisyor zabonhoi digar muvofiq meoyad. Dar tekhnika Metallhoi rangaro az rui alomathoi khosai gunogun ba guruhho judo mekunand (metallhoi sabuk, …

METAMATEMATIKA, nazariyai isbot, nazariyai isbotho, ilmest, ki nazariyahoi shaklii matematiki va tarzu usuli isboti matematikiro tadqiq mekunad. Teoremahoe, ki ba yagon nazariyai matematiki (mas., arifmetika, geometriyai Evklid, nazariyai guruhho) oidand, du navand. Ba navi yakum tsoremahoe mansuband, ki tanho bo metodhoi nazariyai predmeti isbot karda meshavand. Ba navi duyum teoremahoe …

METAMORFIZMI JINSHOI KUHI (az yun. metamorphosis — digargunshavi, tabdilyobi), prosesshoe, ki dar natijai onho sokht, tarkibi mineralogi va bazan khimiyavii jinshoi kuhi dar qishri Zamin az tasiri harorat va fishor tagyir meyobad. Hangomi M. j k. jinsho gudokhta nameshavand va sakhtii khudro nigoh medorand. M. j k. asosan se khel …

METAN, gazi botloqi, gazi kon, SN4, karbogidridi yakumi qatori gomologii karbogidridhoi ser (alkanno). M. gazi suzanda, berangu buy; t jush.— 164,5° S, t gud.— 182,5° S, zichiash nisbat ba havo 0,554 (20e S); hangomi bo havo yakjoya shudan (dar surati ba 5—15% rasidani konsentrasiyaash) omekhtai tarkanda hosil mekunad. M. qismi …

METALLHOI IShQORZAMINI, elementhoi guruhchai asosii guruhi II sistemai davrii Mendeleev; kalsiy (Sa), stronsiy (Sr), bariy (Va) va radiy (Ra). Oksidhoi Metalhoi ishqorzamini. (muvofiqi aqidai kimiyogaron «zaminho») hangomi dar ob hal shudan ishqor hosil mekunand. Metalhoi ishqorzamini az jihati khimiyavi khele faoland; faolii onho az kalsiy to radiy meafzoyad.