Essays about: "Helena Olsson"

Showing result 1 - 5 of 8 essays containing the words Helena Olsson.

  1. 1. Making wood durable. A sustainable approachwith linseed oil

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

    Author : Helena Olsson; [2019]
    Keywords : Linseed oil; Wood preservation; Nuclear Magnetic Resonance NMR ; Diffusion Ordered Spectroscopy DOSY ; Time-resolved oxidation study; Linolja; Bevarande träbehandling; Nuclear Magnetic Resonance NMR ; Diffusion Ordered Spectroscopy DOSY ; Oxidationstidsstudie;

    Abstract : Linseed oil has been and is used for vast number of applications, such as in food and paint industry, and wood preservation. It is a good environmental choice, as it originates from renewable sources. Linseed oil is mainly a mixture of triglyceride of fatty acids, both saturated and mono- or polyunsaturated, which allows the oil to oxidize. READ MORE

  3. 2. Future frequency control services in the Nordic power system

    University essay from

    Author : Helena Olsson; [2017]
    Keywords : ;

    Abstract : An increased share of electricity production from variable energy sources, especially wind and solar power, and loss of inertia in the system, result in higher demands of frequency control. In the last decades, the quality of the grid frequency in the Nordic power system has gradually deteriorated. READ MORE

  4. 3. Mexico’s Anti-Femicide Movement : Comparing Subnational Political Opportunity Structures in Chihuahua, Yucatán and Mexico City

    University essay from Södertörns högskola/Internationella relationer

    Author : Helena Olsson; [2017]
    Keywords : femicide; political opportunity structures; global justice movements; Mexico; genusbaserat våld; politiska möjlighetsstrukturer; globala rättviserörelser; Mexiko; femicidios; feminicidios; movimientos globales de justicia; México;

    Abstract : This paper explores femicide and social movements impact on politics, a phenomenon where national, international and transnational politics overlap. The Mexican anti-femicide movement belongs to the global justice movement and struggle for women’s right to life. READ MORE

  5. 4. Evaluation of Amyloid Fibrils as Templates for Photon Upconversion by Sensitized Triplet-Triplet Annihilation

    University essay from KTH/Skolan för kemivetenskap (CHE)

    Author : Sharon Berkowicz; Helena Olsson; Henrik Broberg; [2017]
    Keywords : photon upconversion; sensitized triplet-triplet annihilation; anti-stokes emission; amyloid fibrils; whey protein;

    Abstract : In the face of global warming and shrinking resources of fossil fuels the interest in solar energy has increased in recent years. However, the low energy and cost efficiency of current solar cells has up to this date hindered solar energy from playing a major role on the energy market. READ MORE

  6. 5. Crisis management in social media

    University essay from Ekonomihögskolan, ELNU

    Author : Gabriel Modéus; Helena Olsson; Rickard Paulsson; [2012]
    Keywords : Crisis management; Crisis management in social media; eWOM; Facebook; Social media; Twitter;

    Abstract : The rise of social media has brought an increasingly open and transparent environment, where everyone can share thoughts and opinions with other people. This new transparent world creates new challenges in many fields. One of these is in the field of crisis management. The question is how companies should handle a crisis in social media. READ MORE