Essays about: "Anna Hellqvist"

Found 3 essays containing the words Anna Hellqvist.

  1. 1. What's Next in Sustainable Acoustic Materials?

    University essay from Lunds universitet/Innovation

    Author : Klas Hellqvist; Anna Andersson; [2020]
    Keywords : Sustainability; Acoustics; Materials; Sound Absorption; Technology and Engineering;

    Abstract : As industries have begun to rethink the way they design, make and dispose of products for the purpose of sustainable development, manufacturers of acoustic products have been slow off the mark. The majority of acoustic products are still made of primarily virgin material made from petrochemical resources, which have a significant impact on the environment. READ MORE

  3. 2. Vargangrepp på får: orsaker och förebyggande åtgärder

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Anna-Lotta Hellqvist; [2014]
    Keywords : canis lupus; varg; predation; rovdjursfrågor; rovdjursproblematik; rovdjusstängsel;

    Abstract : Vargars (Canis lupus) skador på boskap har alltid varit ett stort problem för lantbrukare. Det är det allvarligaste hotet mot en stor och livskraftig vargstam i Sverige då predationen på tamboskap historiskt sett har varit den främsta anledningen till att varg har jagats och i vissa delar även och utrotats runt om i världen. READ MORE

  4. 3. The Process Influence on Strength Properties of an Austenitic Stainless Steel (254 SMO)

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Anna Hellqvist; [2014]
    Keywords : stainless steel; hot rolling; levelling; strength; material properties; process parameters;

    Abstract : This work has been performed at Outokumpu Stainless AB, QPE, in Degerfors where focus is on production of hot rolled tailor-made quarto plate in special stainless steel grades such as highly alloyed austenitics and duplex steel grades. After a period with low values in strength and a lot of deviations in tensile tests for the highly alloyed austenitic stainless steel, 254 SMO, there was a need to investigate what influence some parameters during process has on strength values. READ MORE