Essays about: "aged layers"

Showing result 1 - 5 of 7 essays containing the words aged layers.

  1. 1. Evaluation of the effects of four consolidants on matte paint and their ageing

    University essay from Göteborgs universitet/Institutionen för kulturvård

    Author : Angela Caira; [2021-09-14]
    Keywords : matte paint; consolidant; artificial ageing;

    Abstract : This research starts with the analysis of the funeral coat of arms of Pehr Stålhammar, dated 1701, as a case material of matte paint in need of consolidation. This study aims to assess the effect of four consolidants on matte paint and their ageing properties. READ MORE

  3. 2. Gallringens effekter på botten- och fältskikt i grandominerad produktionsskog : en studie av hur störning kan påverka β-diversitet i Norrland och Svealand

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : William Jaktén Langert; Andreas Widell; [2020]
    Keywords : biodiversitet; bottenskikt; fältskikt; störning; gallring; boreal skog;

    Abstract : Den boreala skogens beståndsstruktur har historiskt primärt präglats av brand, vilket skapat en flerskiktad beståndsstruktur. Störning är därför en avgörande faktor för artmångfald i dessa ekosystem. READ MORE

  4. 3. Outdoor lighting in Icelandic schoolyards : The importance of outdoor lighting during the dark winter days

    University essay from KTH/Ljusdesign

    Author : Anna Kristín Guðmundsdóttir; [2017]
    Keywords : Iceland; school environment; schoolyard; students; children; recess; outdoor lighting; landscape architecture; placemaking; winter; daylight; darkness; mindset; well-being.;

    Abstract : Schoolyards play an important role in the Icelandic education system. Students aged 6 to 12 years old are required to go outdoors for recess at least two times per day. To play, get fresh air and to regain energy for upcoming classes. READ MORE

  5. 4. A µCT Investigation of the Electrical Breakdown Mechanisms in Mica/Epoxy Machine Insulation

    University essay from Uppsala universitet/Tillämpad mekanik

    Author : Carl Saxén; [2017]
    Keywords : Breakdown; composite; computed tomography; epoxy; mica; resin; winding; x-ray; μCT;

    Abstract : Mica/Epoxy machine insulation is a composite material of the mineral mica, fibre-glass mesh and epoxy resin. The material is used in motors and generators rated for high voltage, where the material must withstand multiple stresses such as elevated temperatures, mechanical and electrical stresses. READ MORE

  6. 5. Study of CVD deposited i-ZnO layers in CIGS thin film solar cells

    University essay from Uppsala universitet/Fasta tillståndets elektronik

    Author : Fredrik Larsson; [2015]
    Keywords : CVD; CIGS; intrinsic; ZnO; thin film; solar cell;

    Abstract : CIGS thin film solar cells usually include a thin layer of intrinsic zinc oxide (i-ZnO) deposited on a CdS buffer layer by sputtering. However an interest has grown in using chemical vapor deposition (CVD) instead. READ MORE