MAGNITOMETR (az. yun. magnetis — magnit va …metr), asbobest baroi chen kardani tavsifi maydoni magniti va khosiyati magnitii moddaho (materialhoi magniti). Vobasta ba prinsipi korashon Magnitografhoi magnitostatiki, elektromagniti, induksionii, elektrodinamiki va Magnitografhoi ba hodisai rezonansi paramagniti asoskardashuda mavjudand. Mas., dar Magnitografhoi maggnitostatistiki shiddatnokii maydoni magniti yo tagyiroti on bo aqrabaki …

MAVJHO, vobasta ba vaqt tagyir yoftani tartibi fazovii maksimumu minimumhoi buzurgihoi fiziki, mas., fishor, zichii modda, shiddatnokii maydonhoi elektriyu magniti; lappishhoi pahnshavanda. Dar fizikai muosir namudhoi zerini Mavjhoro tadqiq mekunand: mavjhoi sathii chandir (holati khususii onho Mavjhoi sadoi), mavjhoi elektromagniti (az jumla, shuoafkanii harorati, rushnoi, gammashuoi, shuohoi rentgeni, radiomavjho, mavjhoi …

MAGNITOSTRIKSIYa (az yun. magnetis — magnit va lot. strictio — fishurdashavi, kashidashavi), tagyiri shakl va hajmi jism hangomi magnitnokshavi. Hodisai Magnitostriksiyaro Ch. Noul soli 1842 kashf kardaast. Dar ferro va ferrimagnetikho (Ee, Ni, So, Gd, Tb va g., yak qator khulaho, ferritho) buzurgii Magnitostriksiya khele kalon d/ —- g» 10—* …

MAVJHOI DAROZ, radiomavjhoe, ki darozii mavjashon az 1 km to 10— 20 km meboshad. Dar sathi kuravii Zamin dar natijai difraksiya radiomavjho ba masofai 1—2 hazor km pahn shuda metavonand. Mavjhoi daroz ba tufayli tasiri mavjbari kuravii atmosfera, ki dar bayni sathi Zamin va hududi poyonii ionosfera ba vujud meoyad, …

MAGNITOFON (yun., magnetis — magnit va phone — sado), apparat baroi ba navori magniti sabt kardani signali sadoi (nig. Sabti sado) va az nav shunavondani on. Magnitofon vobasta ba tainot kasbi va maishi meshavand. Magnitofonhoi kasbi baroi istifoda dar televizion, radioshunavoni, kino va g., Magnitofonhoi maishi baroi havaskoron peshbini shudaand. …

MAVJHOI DE-BROYL, mavjhoe, ki harakati mikrozarraho (elektron, proton, atom va g.)-po tavsif mekunand. In mafhumro soli 1924 fiziki fransavi L. de-Broyl peshnihod kardaastu on tabiati kvantii mikrozarraho (dualizmi korpuskulavi-mavjii onho)-ro sharh medihad. Muvofiqi farziyai de-Broyl ba har yak mikrozarrai impulsash r va energiyaash E mavji daroziash X =—- (/< — …

MAGNITUDAI ZILZILA (lot. magnitudo — buzurgi az magnus — kalon), buzurgii shartiest, ki energiyai umumii lappishhoi chandiri hangomi zilzila yo tarkish bavujudoyandaro tavsif medihad. Magnitudai zilzila ba logarifmi energiyai lappish mutanosib ast. Odatan bo buzurgii kalontarini nisbati amplituda bar davri lappishhoe, ki seysmograf sabt mekunad, muayyan karda meshavad. Magnitudai zilzila …

MAVJHOI ZILZILA, lappishhoeand, ki dar Zamin az markazhoi zilzila, tarkish va manbahoi digar pahn meshavand. Mavjhoi zilzila dar nazdikii markazhoi zilzilahoi purzur (ki aksar davri lappishashon ba dahyaki soniya barobar ast) quvvai kharobiovar dorand. Mavjhoi zilzilae, ki az episentri zilzila dar masofahoi dur voqeand, mavjhoi chandir meboshand. Mavjhoi zilzilai barqad …

MAGNITOGORSK, shahr dar viloyati Chelyabinski RSFSR. Dar domanai k. Magnitnaya, dar nishebii sharqii Urali Janubi, dar har du sohili d. Ural voqe ast. Yake az markazhoi kalontarini sanoati metallurgii SSSR. Aholiash 406 hazor nafar (1979). Korkhonahoi kalontarini sanoatiash: kombinati metallurgi, zavodhoi metallurgii masnuoti metalli, kalibronii prokat, kransozi, tamiri tajhizoti konu …

MAGNITOGRAF (az yun. magnetis — magnit va …graf), asbobest, ki muttasil tagyiryobii maydoni magnitii Zachii (varnasiyai magniti)-ro sabt mekunad. Az varnometrhoi magniti va tajhizoti sabtkunanda (registrator) iborat ast. Magnitograf soddatarin az fotoregnetrator, rushnoidihak va se varnometri optiki-mekhaniki iborat meboshad. Har yak variometr oina dorad. Nuri rushnoi az oina aks gashta, …