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ID number:344099
 
Author:
Evaluation:
Published: 21.06.2011.
Language: Latvian
Level: Secondary school
Literature: 7 units
References: Used
Extract

Aerogēls
cietviela, kam ir vismazākais masas blīvums no visām uz zemes pazīstamajām cietvielām (līdz pat 1mg/cm³ - vieglāks par gaisu)
Vēsture
Pirmoreiz aerogēlu izgatavoja ķīmiķis Semjuels Stefans Kistlers 1931. gadā;
No SiO₂-H₂O ″izžāvējot″ H₂O un neizjaucot vielas molekulāro struktūru;
Pirmais tika izgatavots silīcija aerogēls, bet sastopami arī alumīnija, oglekļa u.c. aerogēli;
Zinātnē aerogēls plašāk izmantots tikai pēdējos 20 gados.…

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