Essays about: "varnish"

Showing result 1 - 5 of 14 essays containing the word varnish.

  1. 1. Tracing Tempera through Time-of-Flight Secondary Ion Mass Spectrometry Analysing samples from four icons from the Nationalmuseum collection

    University essay from Göteborgs universitet/Institutionen för kulturvård

    Author : Nina Olivier; [2024-01-30]
    Keywords : Icons; tempera; emulsions; analysis methods; ToF-SIMS;

    Abstract : This thesis will analyze samples in form of cross-sections taken from four icons of the Nationalmuseum collection, two Russian, from the 18th and 19th centuries and two Greek, also from the 18th and 19th centuries, using the Time-of-Flight Secondary Ion Mass Technique. The objective is to detect, isolate and, if possible, identify the amino acids and the fatty acids in the protein and lipids used in the tempera, the ground, and the olifa using Time of Flight Secondary Ion Mass Spectrometry. READ MORE

  2. 2. Flash Pulse Thermography Measurements of Coat Thickness

    University essay from Umeå universitet/Institutionen för fysik

    Author : Alexander Häggkvist; [2023]
    Keywords : Flash Pulse Thermography; Power Function; Dynamical Thermal Tomography;

    Abstract : The application of varnish, metal coats, and paint is a common practice for modifying or enhancing material properties. Metal coats are frequently used as protective layers against corrosion, heat, and wear, while also influencing characteristics like conductivity, weight, and production costs. READ MORE

  3. 3. Varnishing of Fiber-based Closures

    University essay from Lunds universitet/Förpackningslogistik

    Author : Nisha Sunil David; [2023]
    Keywords : Varnishing; fiber-based closures; water-based spray coating; packaging; repulpability ; Technology and Engineering;

    Abstract : This research aims to investigate water-based varnishes and technologies to coat fiber-based closures to attain water barrier properties. To ensure recyclability the repulpability of coated and uncoated lids is tested. The research approach is exploratory. READ MORE

  4. 4. The Use of Gels for the Removal of Cellulose Nitrate Lacquer on Silver

    University essay from Göteborgs universitet/Institutionen för kulturvård

    Author : Miri Katayon; [2022-07-05]
    Keywords : agar gel; metal conservation; nanomaterials; silver coating; sustainable conservation; varnish removal;

    Abstract : The conservation of silver objects mainly constitutes addressing the issues of tarnish removal and of preventing tarnish. For decades lacquer has been used to coat silver objects in order to protect them from tarnishing. READ MORE

  5. 5. Prevalence of white spot lesions in maxilla and mandible in orthodontic patients with fixed appliance treated with a high fluoride varnish or a placebo varnish : -A randomized controlled trial on adolescents

    University essay from Malmö universitet/Odontologiska fakulteten (OD)

    Author : Lisa Wallman; Christoffer Sörebö; [2022]
    Keywords : Fixed orthodontic appliances; Fluoride Varnish; Mandible; Maxilla; White Spot Lesions;

    Abstract : Aim: The aim of this study was to investigate if there is a beneficial effect on the prevalence of white spot lesions (WSL) in the mandibular and maxillary teeth when the teeth in the maxilla are treated with fluoride varnish compared to a placebo group. The null hypothesis was that there is no difference between the test and placebo group in development of WSL. READ MORE