Essays about: "si"

Showing result 1 - 5 of 455 essays containing the word si.

  1. 1. Calculating the combined elemental composition of spodumene using La_ICP_MS in thin_sections samples from Europe.

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Maximilian Körtge; [2023]
    Keywords : Lithium minerals; Spodumene; Trace-elements; La-ICP-MS; Mineral processing; Geochemistry;

    Abstract : The study gives a broad background to understand the high demand of lithium batteries in the coming years, especially in Europe. The goal of the study is to use La-ICP-MS to analyse spodumene samples from different lithium deposits in Europe to get a better knowledge of the contents of trace elements in spodumene. READ MORE

  3. 2. AC Gate Bias Stress of 4H-SiC MOSFETs : An investigation into threshold voltage instability of SiC Power MOSFETs under the influence of bipolar gate stress

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Agnimitra Saha; [2023]
    Keywords : Silicon Carbide; Gate Bias Stress; Threshold Voltage; On-state Resistance; Temperature; kiselkarbid; gate spännings-stress; tröskelspänning; on-resistansen; temperatur;

    Abstract : Silicon Carbide, a wide band gap (WBG) semiconductor, has pushed electrical limits beyond Silicon (Si) when it comes to power electronics. It has offered the electrification of society showing promise for a greener future. READ MORE

  4. 3. Improving the thermal climate of schools in semi-desert climate : A case study of solutions in La Guajira, Colombia

    University essay from Högskolan i Gävle/Energisystem och byggnadsteknik

    Author : Michael Johansson; [2023]
    Keywords : Solar chimney; Thermal comfort; Classrooms; School; La Guajira; Colombia;

    Abstract : As the climate changes, hot regions like La Guajira's semi-desert will become even hotter. It is projected that the average temperature in this region will increase by 2.4 ℃ over the course of this century, with a 20 % reduction in precipitation. READ MORE

  5. 4. Wound Treatment : An overview and initial investigation of wound care and bioactive materials

    University essay from Uppsala universitet/Tillämpad materialvetenskap

    Author : Louise Ringholm; [2023]
    Keywords : Wound treatment; wound care; bioactive materials; calcium silicate;

    Abstract : Wound care is a field with many treatment methods and products on the market. The healing period varies, some wounds become difficult to heal and chronic, in many cases a connection can be drawn to underlying diseases. Diabetes is a disease that could cause foot ulcers that are difficult to heal. READ MORE

  6. 5. Potassium in the Galactic Bulge - as traced by microlensed dwarf & sub-giant stars

    University essay from Lunds universitet/Astrofysik; Lunds universitet/Fysiska institutionen

    Author : Lukas Jönsson; [2023]
    Keywords : Nucleosynthesis; Galactic Bulge; Potassium; Non-Local-Thermal-Equilibrium; Physics and Astronomy;

    Abstract : During this report the potassium (K) trend in the Galactic Bulge, with respect to metallicity and various α-elements, has been computed and evaluated by a method of line synthesis on the 7698.96 ̊A KI line (7699 KI), where Non-Local-Thermal-Equilibrium (NLTE) effects have been considered. READ MORE