Essays about: "Bleaching"

Showing result 16 - 20 of 51 essays containing the word Bleaching.

  1. 16. Determination of depositional environment and luminescence dating of Pleistocene deposits in the Biely Váh valley, southern foothills of the Tatra Mountains, Slovakia

    University essay from Lunds universitet/Geologiska institutionen

    Author : Ingrid Bejarano Arias; [2020]
    Keywords : Luminescence dating; glacifluvial deposits; sedimentological analysis; High Tatra Mountains; IRSL dating.; Earth and Environmental Sciences;

    Abstract : The Tatra Mountains have had several glaciations during the Quaternary. The deposits located in the southern foothills were classified as glacifluvial, based on geomorphology, but its sediments have not been studied in detail. READ MORE

  3. 17. Design of multilayer paperboard for optimisedcompression strength

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Ali Salem Ali; [2020]
    Keywords : Compression strength; Paper; Cardboard; Dynamique Formette; Dynamic sheet former; SCT; Shortspan compression test; fibre; fibre properties; fiber; fiber properties; Multilayer;

    Abstract : This master thesis was issued by BillerudKorsnäs Gruvön. The focus of this thesis was theinvestigation of the effects different fibre types has on the compression strength of the whole paper product. This stems from wanting to better understand how to produce a better paperboard construction with respect to stacking, storage, and transport. READ MORE

  4. 18. A study of the photochromic effect in oxygen containing rare-earth metal hydride thin films and multilayer structures

    University essay from Uppsala universitet/Tillämpad kärnfysik

    Author : Sigurbjörn Már Aðalsteinsson; [2020]
    Keywords : ;

    Abstract : In this work, we have studied the photochromic response of several oxygen containing rare-earth hydride thin films (REHO, RE = Y, Nd, Gd, and Dy). Their chemical composition was characterized by an iterative multi-method approach based on ion beams, while the photochromic effect was measured by means of optical spectrometry. READ MORE

  5. 19. Colorism in Zanzibar - A Qualitative Field Study on The Effects of Colorism on Women's Identity and Ethnicity Construction

    University essay from Malmö universitet/Fakulteten för kultur och samhälle (KS)

    Author : Feven Tekie; [2020]
    Keywords : Colorism; Zanzibar; Tanzania; Identity; Ethnicity; Skin Color Bias; Internalized Racism; Identity Process Theory;

    Abstract : This paper is a by-product of a minor field study conducted in Zanzibar, Tanzaniaduring eight consecutive weeks in early 2019. The purpose of the study was to examinehow colorism affects women’s identity and ethnicity construction through the researchquestions; how do women in Zanzibar experience colorism in their daily lives and; howdoes colorism affect their self-perception? The data was collected through seven semi-structured interviews with women in Zanzibar and observations. READ MORE

  6. 20. Modelling and Optimization of Peroxide Pulp Bleaching Process

    University essay from Lunds universitet/Institutionen för reglerteknik

    Author : Jonas Christensen Strömgren; [2020]
    Keywords : Technology and Engineering;

    Abstract : The wood pulp industry has been around for a long time, but new higher quality pulp require more advanced solutions to old processes. One of these processes is the peroxide (PO) bleaching process, which is the last of a whole chain of bleaching processes at the Mörrum pulp processing plant. READ MORE