Periekho, perioykho (yun. rerioikoi, aynan — sokinoni atrof), aholii kamhuquqi baze polishoi Yunoni Qadim (dar Sparta, Argos, Elida, Fessaliya). Dar Sparta Periekho avlodi aholii tagjoi, ki onro doriyho mute namuda, ba kanori Lako­nika tang karda barovardaand. Periekho az plotho bo on farq mekardand, ki shakhsan ozod buda, metavonistand zamini khudro …

Per-Lashez (Pere- Lachaise), qabristonest dar Parij (sobik mulki piri Lyudoviki XIV— Lashez; nomi Per-Lashez az hamin jost). I.L. oromgohi buzurgtarin khodimoni ilmu madaniyat (J. Lafonten, J. B. P. Moler, Sh. Node, A. Dode, A. de Myusse, O. de Balzak, P. J. Beranje, F. Sho­pen, N- Rossini, E. Delakrua, D. Engr, …

Perlit (az frans. rerle — marvorid), shishai vulsqonii tursh, ki hangomi shikastan parra-parra judo meshavad. Rezahoi khurdi on bazan chun marvorid jilo medihand. Perlit az jihati  tarkib bo lavahoi tursh — liparitho, dasitho va gayra muvofiqat nekunad. Dar vaqti tez  tafsonidan obi Perliti maydakardashuda ba bug tabdil meyobad va khudi …

Permanganatomyotriya (az regmangarum — namaki kislotai magnat va …metriya), usuli tahlili khimiyavii titrimetri, ki dar on baroi muayyan kardani miqdori hajmho  mahluli permanganati kaliy az (K Mn O4) istifoda meshavad (nig.  Tahlili miqdori, Tahlili hajmi).   Hangomi Permanganatomyotriya binobar rangi khos (surkhi bunafsh) doshtani mahlul zarurati istifodai indikatori makhsus ) …

Perm, d a v r a i (s i s t e m a i) perm, davrai okhirii (shashum)-i erai paleozoy. Davrai Perm 285 mln  sol muqaddam ogoz yofta, 55 mln sol davom kardaast. Tahnishasthoi sistemai Permro bori nakhust soli 1841 geologi anglis R. I, Murchison dar Ural Zay (gub. …

Perovskit (az nomi arbobi davlatki rus, general L. A. Perovskiy), mineralest az sinfi oksidho. Tarkibi khimiyaviash SaTiOz (41,24% SaO va 58,76% TiO2); bazan omekhtahoi Se (knopit), Nb, Se, Ge (dizana­lit), Na, Se, Ti, Nb (loparit) do­rad. Dar sistemai psevdokubi kris­tall mebandad. Sakhtiash 5,5—6; zichiash 3950—4040 kg/m3. Rangash siyoh, siyohi khokistartob, …

Peroksidazaho, fermenthoero guyand, ki dar hujayrahoi zinda reaksiyahoi oksidshavii moddahoi gunogunro bo yorii peroksidi gidrogen kataliz mekunand. Peroksidazaho dar nafaskashii rastaniho ahamiyati kalon dorand. Peroksidazahoi rosanro dar tib hangomi tadqiqi biokhimiyavii baze juzhoi khunu peshob kor mefarmoyand.

Peroksidi gidrogen, N2O2, payvasti oksigenii gidrogen, ki guruhi atomhoi—O—O—dorad. Soddatarin va muhimtarin namoyandai peroksidho. Moei berangu buy; t gud.— 0, 43°S, t jush. 150°S, zichiash 1470 kg/m3 (0°S). Bo ob omekhta shuda kris­tallogidrat N2O2 • 2N2O hosil mekunad. Vobasta ba sharoit Peroksidi gidrogen ham oksidkunanda (I) va ham barqarorkunanda (II) …

Peridotit (az frans. peridot — peridot yo olivin), jinsi kuhii intruzivii ultraasosi, ki goliban az olivin (70—30%) va piroksenho (30—70%) tarkib yoftaast. Az mineralhoi duyumdaraja magnetit, il­menit, pirrotin, khromit, shpinel, bechoda, bazan platina va mineralhoi nikeldor dorad. Peridotit jinsi tirarang buda, aksar sabz yo khokistarrangi sabztob ast. Dar natijai prosesshoi …

Perikardit (az peri… va kardio —dil), gazaki khaltachai dil (perikard). Perikarditi odam du khel mesha­vad: siroyati va gayrisiroyati. Perikarditi siroyatiro kokkho, virusho, mikobakteriyahoi sil vagayra. meangezand. Perikarditi siroyati vobasta ba namudi angezanda tarbodi, sifilisi, fasodi va gayra meshavad. Perikarditi gayrisiroya­ti Perikardite meboshad, ki hangomi ure­miya, infarkti miokard, jarrohii dil va …