Malumoti ohirin
salto

SALTO

futbol

FUTBOL

ustodi-varzish

USTODI VARZISh

universiada

UNIVERSIADA

unvoni-ms

UNVONHOI SPORTI

holmenkollbakken

TRAMPLIN

tibbi-sporti

TIBBI SPORTI

tennisi-rui-miz

TENNISI RUI MIZ

tennis

TENNIS

Habarhoi ohirin

METALLHOI IShQORZAMINI

metalhoi-ishkorzamin

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.

Mufassal »

METALLHOI IShQORI

metalhoi-ishkori

METALLHOI IShQORI, elementhoi guruhchai asosii guruhi I sistemai davrii Mendeleev; litiy (Li), natriy ( Na), kaliy (K), rubidiy (Rb), seziy (Cs) va fransiy (Ft). Onhoro baroi on Metalhoi ishqori menomand, ki gidroksidashon ishqori zur meboshad. Metalhoi ishqori az jihati khimiyavi metallhoi faol buda, faolii onho az litiy to fransiy meafzoyad.

Mufassal »

METALLOTERMIYa

metalotermiya

METALLOTERMIYa (az metall va yun. therme — garmi), yak sohai metallurgiya buda, asosi onro istifodai prosesshoi az oksidho va payvastagihoi dig. bo metallhoi nisbatan faol (alyuminiy, magnii, silisiy va g.) barqaror kardani metallho, ki bo judoshavii garmii ziyod meguzarand, tashkil medihad. Metallotermiya vobasta ba metalli barqarorkunanda ba alyuminotermiya, magniitermiya, silikotermiya …

Mufassal »

METALLURGIYa

metalurgiya

METALLURGIYa (ae yun. motallur-geo — korkardi metallho), yak sohai istehsolot, tekhnika va ilm buda, orosesshoi az payvasthoi tabii yo materialhoi dig. hosil kardani metallu khulaho va inchunin prosesshoi digargun shudani khosiyathoi khulahoi metallhoro (az sababi tagyiri sokht va tarkibi khimiyavii onho) dar bar megirad. Metallurgiya hamchun sohai sanoat az istehsoli …

Mufassal »

METALLURGIYaI RANGA

metalurgiyai-ranga

METALLURGIYaI RANGA, yak sohai muhimi sanoati vaznin buda, prosesshoi hosil va boygardonii madan, istehsolu korkardi metallkhoi ranga va khulai onho, inchunin hosil kardani almosro dar bar megirad. Metallurgiyai Ranga dar barobari istehsoli metallho va khulai onho mahsuloti prokatu mashanavi, khulahoi sakht, khokai metallkho, namakho va payvasthoi gunoguni metallhoi ranga, metallhoi …

Mufassal »