Search for dissertations about: "Seyoum"

Found 5 swedish dissertations containing the word Seyoum.

2. 1. Developing and optimizing processes for biological nitrogen removal from tannery wastewaters in Ethiopia

   Author : Seyoum Leta; Gunnel Dalhammar; Jes Ia Cour Jenson; KTH; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; biological nitrogen and supphide removal; dntififying bacteria; nitrade-reducing; sulphuroxidizing bacteria; nitrate uptake rate; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

   Abstract : In Ethiopia industrial effluents containing high contents of organic matter, nitrogen and heavy metals are discharged into inland surface waters with little or no pre-treatment. Significant pollution concerns related to these effluents include dissolved oxygen depletion, toxicity and eutrophication of the receiving waters. READ MORE

4. 2. Toxicogenomic responses in Daphnia magna

   Author : Asmerom Seyoum; Per-Erik Olsson; Ajay Pradhan; Joachim Sturve; Örebro universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; ERA; organic pollutants; toxicogenomic; phthalate; PFAS and DBE-DBCH;

   Abstract : Detection of various organic contaminants in the aquatic environment at low concentrations, has raised concerns for animal and human health. Structural similarities of these compounds to estrogens and ecdysones suggests that organic pollutants may interfere with hormonal system of aquatic organisms. READ MORE

5. 3. Be lean to be resilient : Setting capabilities for turbulent times

   Author : Seyoum Eshetu Birkie; Matti Kaulio; Paolo Trucco; Jussi Heikkilä; KTH; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Resilience; lean production; synergy; supply chain disruption; dynamic capabilities; mixed method approach; uncertainties; Industriell ekonomi och organisation; Industrial Engineering and Management;

   Abstract : Businesses globally are challenged to innovate their operations strategies and practices towards tighter delivery times, better quality and cheaper prices to remain profitable in addition to managing unpredictable circumstances well in today’s turbulent business environment. They often have to deal with the apparent paradox of advancing efficiency-fostering approaches such as lean production, and enhancing operational resilience against unanticipated disruptions. READ MORE

6. 4. Value-adding deployment of corporate lean programs in multinational production companies

   Author : Sara Linderson; Monica Bellgran; Seyoum Eshetu Birkie; Lars Bengtsson; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Lean production; Deployment; Program management; Company-specific production systems; XPS; Knowledge transfer; Strategy implementation; Lean produktion; Utrullning; Programledning; Kunskapsöverföring; XPS; Företagsspecifika produktionssystem; Strategiimplementering; Industriell ekonomi och organisation; Industrial Economics and Management;

   Abstract : Strategic improvement programs, which aim for corporate-wide lean transformation, are resource-demanding and challenging to deploy. Industrial manufacturers often develop company-specific production system (XPS) programs to coordinate the lean transformation simultaneously in multiple production sites. READ MORE

7. 5. Integrating Digital Transformation and Sustainability in Manufacturing : The Role of Small Technology Solution Providers

   Author : Hossein Rahnama; Anna Rönnbäck Öhrwall; Seyoum Eshetu Birkie; Luleå tekniska universitet; []
   Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Collaboration; digital transformation; sustainability; technology solution providers; SME; Produktinnovation; Product Innovation;

   Abstract : This study focuses on the role of small technology solution providers (TSPs) in supporting digital transformation and sustainability in the manufacturing sector. It explores the challenges and opportunities of developing and adopting tailor-made technology solutions for sustainable production and the role of TSPs in the design, development, and implementation of such solutions in value constellations. READ MORE