Sökning: "Erika Ekström"

Hittade 2 avhandlingar innehållade orden Erika Ekström.

1. 1. Essays on Inequality and Education

   Författare :Erika Ekström; Per-Anders Edin; Peter Fredriksson; Arne Bigsten; Paul Gregg; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Income distribution; Discrimination; Namibia; Vocational education; University enrolment; Unemployment; Adult education; Wage earnings; Nationalekonomi; Economics; Nationalekonomi;

   Sammanfattning : This thesis consists of an introduction and four self-contained essays.Essay I examines the contribution of socio-economic variables to Namibian income inequality. I examine the extent to which total income inequality is due to within-group inequality or between-group inequality. Income inequality in Namibia ranks among the highest in the world. LÄS MER

3. 2. The dynamic behavior of the NiMH battery – Creating a versatile NiMH battery model

   Författare :Jenny Börjesson Axén; Göran Lindbergh; Henrik Ekström; Erika Widenkvist Zetterström; Paul Albertus; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NiMH batteries; Battery Modeling; OCV hysteresis; NiMH gas phase; P2D model; NiMH batterier; Batterimodellering; OCV hysteres; NiMH gasfas; P2D modell; Chemical Engineering; Kemiteknik;

   Sammanfattning : To facilitate the shift from fossil to renewable energy sources, energy storage is needed to cope with the intermittent nature of technologies such as solar, wind, and wave power. One storage alternative is battery-based stationary energy storage. LÄS MER