Sökning: "bismuth telluride"

Hittade 2 uppsatser innehållade orden bismuth telluride.

1. 1. Textural characterization of gold in the Björkdal gold deposit, northern Sweden.

   Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Geovetenskap och miljöteknik

   Författare :Fredrik Westberg; [2021]
   Nyckelord :Björkdal gold deposit; gold; gold-telluride; SEM; mineral association; grain size; geometallurgy;

   Sammanfattning : The Björkdal gold deposit is located in the eastern part of the Skellefte district, northern Sweden. Twenty thin sections from four production areas in the open pit and four drifts from the underground mine were analysed for mineral association and grain size distribution of gold. LÄS MER

3. 2. Thermoelectric Cooler Prototype Based on Bismuth Telluride and Aimed for Space Applications

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/Tillämpad materialvetenskap

   Författare :Viktor Karlsson; [2017]
   Nyckelord :Thermoelectric cooler; bismuth telluride;

   Sammanfattning : The main goal for this project was to design, manufacture and evaluate a thermoelectric cooler, TEC, prototype. One of the biggest challenges with TECs is that they need to be very reliable and have a long lifetime. LÄS MER