Essays about: "sten"

Showing result 11 - 15 of 105 essays containing the word sten.

  1. 11. Desulphurisation of cement flue gases

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Ellen Sjöstrand; [2023]
    Keywords : Flue Gas Desulphurisation; FGD; gypsum; cement;

    Abstract : Flue gas desulphurisation (FGD) is a crucial method to minimise the SO2 emissions from industrial processes. The FGD system utilise an alkaline sorbent to remove SO2 from the flue gases. Calcium in form of limestone is a commonly used sorbent where gypsum is produced asa by-product. READ MORE

  3. 12. Continuous leaching of phosphorus from sewage sludge ash

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Sofie Göransson; [2022]
    Keywords : Ash leaching; Continuous stirred tank reactor; CSTR; Phosphorus recovery; Sewage sludge ash;

    Abstract : The global demand for food is increasing. Different nutrients are used to increase growth in agriculture and are thus essential for the world ́s food supply. An important and common nutrient is phosphorus. It can be mined, in the form of phosphate, from phosphate rock. READ MORE

  4. 13. Swansong of the diphthong : Runic inscription orthography in 11th century Östergötland

    University essay from Uppsala universitet/Institutionen för arkeologi och antik historia

    Author : Kate Palmér; [2022]
    Keywords : digraph; diphthong; monograph; monophthong; Old Norse; orthography runestones; runic inscriptions; Östergötland; diftong; digraf; fornnordiska; monoftong; monograf; ortografi; runinskrifter; runstenar; Östergötland;

    Abstract : The orthography of Östergötland’s 11th century runic inscriptions varies widely, in part due to the lack of spelling norms at the time. This thesis seeks to identify other causes for the observed variation, based on the frequency and distribution of aspects of inscription orthography. READ MORE

  5. 14. Play behaviour and maternal relationship between ewe and lambs in Urial sheep (Ovis vignei bochariensis)

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Alicia Josefsson; [2022]
    Keywords : Urial sheep; play behaviour; social play; locomotor play; maternal behaviour; locomotor behaviour welfare; conservation; ex situ; zoo;

    Abstract : Ex situ conservation is done to alleviate the risk of threatened species going extinct and one major conservation aim is increasing the population size. One place working with ex situ conservation is the zoo Nordens Ark in Sweden, and one of their target species is Urials (Ovis vignei bochariensis). READ MORE

  6. 15. Sensor Simulation for Autonomous Mining Vehicles

    University essay from KTH/Fysik

    Author : Martin Björk; [2022]
    Keywords : sensor simulation; autonomous vehicles; simulation; visualisation; lidar; sensorsimulering; autonoma fordon; simulering; visualisering; lidar;

    Abstract : The mining industry uses vehicles for a wide range of applications, including excavation and transportation of rock and soil. Currently, this requires a lot of human labour, mainly drivers, but efforts are being made to increase automation, e.g. using autonomous vehicles. READ MORE