Ilm

SLAVISTIKA nigared Slavyanshinosi.

SLYuDA, nigared  Abraq.

SKIPIDAR, ravgani terpentin, yak moei berangi shaffofro guyand, ki bui tez dorad; t jushishash 153 —180°S, zichiash 855—863 kg/m3; dar ob hal nameshavad, dar halkunandahoi organiki hal va dar havo zud oksid meshavad. Beshtar Skipidarro az samg (Skipidari samgi) bo rohi bugroni ba vositai bugi ob hosil mekunand. Skipidar omekhtai …

SKARNHO (az shvedi — loy, partov), jinshoi kuhii metasomatiero guyand, ki tarkibashon az silikathoi kalsiy, magniyu ohandor va alyumosilikatho iboratand. Skarnho asosan dar zonai kontakti (aksar dar joyhoi bahamrasii jinshoi magmavi bo ohaksang yo dolomitho) va bazan dar dokhili jinshoi magmavi va tahshiniyu metamorfi vz tasiri mahlulhoi balandharorati magmatogeni ba …

SKATOL (az yunoni ckor — sargin), V-metillindol, payvasti geterosikli. Kristalli berangi badbuy; t gudozishash 950S, t  jushishash  265°S. Dar ob hal nashuda, dar halkunandahoi organiki hal meshavad. Skatol ba miqdori kam dar zifti angishtsang va baze ravganhoi efiri mavjud ast; hangomi pusidani moddahoi safedavi hosil meshavad. Skatoli sinteziro bo rohi …

SKEPTISIZM (az yunoni skeptikos – mufattish, muhaqqiq), jarayoni falsafiest, ki asosi onro shakku shubha ba mavjudiyati yagon meyori mutamadi haqiqat tashkil mekunad. Shakli ifrotii Skeptisizm agnostisizm ast. Nigared niz Shakkokiya.

SKIFHO (yunoni ), nomi umumii aholii asosii Nazdi bahri siyohi Shimoli dar asrhoi 7—3 to milod, ki az qabilahoi kheshi guruhi zabonhoi eronii oilai hinduevropoi iborat bud. Muvofiqi malumoti Gerodot Skifho avval dar Osiyo zindagi karda, asri 7 to milod ba Nazdi bahri siyohi Shimoli omada, az in jo kimmerihoro …

SIYaHChOH, kollapsar, yak obekti khosi (fizikiro guyand, ki dar natijai kollapsi gravitasioni ta- shakkul meyobad. Siyahchohro soli 1939 fiziki amerikoi R. Oppengeymer bo hamkoronash nazariyavi kashf karda bud. On vaqt fizikho donistan mekhostand, ki Oftob va dig. sitoraho in qadar energiyai buzurgro az kujo megirand. In muammoro yak sol pesh …

SIGA, kategoriyai grammatikii fel, ki munosibati amalro ba voqeiyat nishon medihad. Siga bo shaklhoi tasrifii fel ifoda meshavad. Dar zaboni tojiki 4 Siga hast: 1) Sigai khabari, ki voqe shudan yo nashudan, tasdiq va yo inkori amal buda, shaklhoi naqlii felhoi zamoni guzashta, baze shaklhai felii zamoni hozira va oyandai …

ABSSISSA (lotini a bscissus-buridashuda), yake az koordinathoi, dekar- tii nuqta, odatan bo kharfi kh ishora karda meshavad.