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

POLLIT Garri

Pollit-G

POLLIT (Rollit)  Garri (22.  11. 1890—6. 6. 1960), khodimi harakati korgarii Angliya va baynalkhalqi. Az soli 1906 azoi Partiyai sotsialistii Britaniya. Az oilai korgar. Az ovoni javoniash ishtirokchii harakati korgari megardad. Dar davrai Jangi yakumi jahoni (1914—1918) dar propagandai ziddi harbi ishtiroq namud. Soli 1915 yake az rohbaroni korpatoii korgaroni …

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POLIVINILIDENKhLORID

Polyvinylidenchlorid

POLIVINILIDENKhLORID, yak nav polimeri sintezi, hosilai polimerizatsiyai vinilidenkhlorid. Moddai sakhti safedrang, massai molekulaviash to 100000, zichiash 1875 kg/m3 (30°S), namesuzad, mustahkam va bezahr ast. Polivinilidekhlorid dar tri (dimetilamido)-fosfat va baze alkilsulfonho hal meshavad; ba tasiri kislota, ishqor, karbogidridho, spirt va efirho ustuvor ast; ammo rushnoi, garmi va seli elektronho ba …

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POLIMERHO

POLIMERHO (az yunoni polymeres— bisyorjuza), moddahoero guyand, ki molekulahoyashon (makromolekulaho) az miqdori ziyodi zvenohoi monosmerii takrorshavanda tarkib yoftaand. Massa (vazn)-i molekulavii Polimerho az yakchand hazor kashida to millionho merasad. Polimerho tabii, masnu va sintezi meshavand. Ba Polimerhoi t a b i i safedaho, kislotafoi nukleat, kauchuki tabii, krakhmal, sellyuloza, glyukogen, …

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POLO

Marco_Polo

POLO (Rolo Marko, taqriban 1254, Venetsiya —8. 1. 1324, hamon jo), sayyoh va navisandai Italiya. Az oilai tojiir va sayyoh. Polo solhoi 1271—1275 hamrohi padarash Nikolo va amakash Matteo Polo savori kishtii tojiron ba sohilhoi janubu sharqii nimjazirai Osiyoi Khurd meoyad. Sipas ba vositai kuhsori Arman, hamvorii Baynannahrayn, kuhsori Eron, …

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POLYaRIZATSIYaI DIELEKTRIKHO

007

POLYaRIZATSIYaI DIELEKTRIKHO, 1) az tasiri maydoni elektri dar dielektrikero joy ivaz kardann zaryadhoi elektri. Polyarizatsiyai dielekrikho dar natijai nisbat ba yakdigar joy ivaz kardani onho, deformatsiyai qabati elektronii baze ionho yo khud orientatsiyai dipolhoi elektrne, ki dar dielektrik hangomi nabudani maydoni elektri mavjudand, ba amal meoyad. 2) Momenti dipoli elektri …

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