Essays about: "ash"

Showing result 16 - 20 of 275 essays containing the word ash.

  1. 16. Study of stability improvement measures meeting the effects of new use of a secondhand cement carrier vessel

    University essay from KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Author : Jansen Novri; [2022]
    Keywords : ship modification; cargo type; stability code; center of gravity; center of buoyancy; fartygsmodifiering; lasttyp; stabilitetskod; tyngdpunkt; flytkraftscentrum;

    Abstract : Secondhand ship is an option to improve marine business competitiveness. It provides a way for ship owners to integrate customer market rapidly without spending many resources on producing new ships. However, secondhand ships that perfectly suit owner's requirements becomes unavoidable challenge. READ MORE

  2. 17. Analysis and Valorization of Bark from Silver Birch, Scots Pine, and Norway Spruce : Compositional analysis of bark from common Swedish trees in forestry, to optimize sustainability procedures and monetary value of bark residue

    University essay from Umeå universitet/Kemiska institutionen

    Author : Isak Lindbäck; [2022]
    Keywords : ;

    Abstract : Silver birch, Scots pine, and Norway spruce are the three most common types of trees in Sweden and make up to 90% of standing volume in Swedish forests (Skogsstyrelsen 2015, 3). With millions of cubic meters of wood being cut down annually, bark and other residues that cannot be used for sawn timber is left over and burnt for energy. READ MORE

  3. 18. Kyrkogårdar och deras träd på Gotland : i ett föränderligt klimat med fokus på torka och trädsjukdomar

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Linda Jacobsson; [2022]
    Keywords : Kyrkogårdsträd; framtidsklimat; klimatförändringar; naturtyp; miljöstressorer; abiotisk stressfaktor; biotisk stressfaktor; torkstress; patogener; skadedjur;

    Abstract : De pågående klimatförändringarna förväntas att bli mer allvarliga och frekventa, vilket kommer att öka riskerna för träddödlighet runt om i världen. Gotlands framtidsklimat kommer sannolikt att bli torrare och varmare. Dessa förändringar kan i sin tur påverka kyrkogårdsträden. READ MORE

  4. 19. Damage Assessment of the 2022 Tongatapu Tsunami : With Remote Sensing

    University essay from KTH/Geoinformatik

    Author : Milton Larsson; [2022]
    Keywords : remote sensing; land cover classification; Sentinel-1; Sentinel-2; change detection; change vector analysis;

    Abstract : The Island of Tongatapu, Tonga, was struck by a tsunami on January 15, 2022. Internet was cut off from the island, which made remote sensing a valuable tool for the assessment of damages. Through land cover classification, change vector analysis and log-ratio image differencing, damages caused by the tsunami were assessed remotely in this thesis. READ MORE

  5. 20. Continuous Hydrothermal Co-liquefaction of Biomass : An experimental study on the effects of fuel mixing on the composition and yield of biocrude and hydrochar

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Simon Fridolfsson; [2022]
    Keywords : HTL; TGA; SEM EDS; Co-liquefaction effects; GROT; Kraft lignin; Microalgae;

    Abstract : An experimental study on the effect of fuel mixing on the products resulting from hydrothermal liquefaction (HTL) was conducted. The feedstocks used were kraft lignin (KL), GROT (GT) and microalgae cultivated in wastewater (MA). Three sets of mixtures were prepared, each containing two types of feedstocks with a 1:1 ratio: KLGT, MAKL, and MAGT. READ MORE