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Showing result 21 - 25 of 3081 swedish dissertations matching the above criteria.

2. 21. Mechanical Properties of Tailings : Basic Description of a Tailings Material from Sweden

   Author : Riaz Bhanbhro; Peter Viklander; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Soil Mechanics; Geoteknik;

   Abstract : Tailings dams are constructed to store waste material from mining industry and usually these dams are raised with time depending upon production rate. Tailings material is sometimes used in construction of tailings dams. READ MORE

4. 22. The microstructures of Ti-6Al-4V and Ti-6Al-2Sn-4Zr-6Mo and their relationship to processing and properties

   Author : Robert Pederson; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Material Mechanics; Materialmekanik;

   Abstract : The research described in the thesis concerns phase transformations and mechanical properties of the titanium alloys Ti-6Al-4V and Ti-6Al-2Sn-4Zr-6Mo. The need to weld the alloys for certain engine components can expose the alloy locally to non-optimum thermal cycles and it is therefore of importance to gain an understanding of the kinetics involved in the phase transformations during heating and cooling. READ MORE

5. 23. Integration of a hemicelluloses extraction step into a forest biorefinery for production of green chemicals

   Author : Jonas Helmerius; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biokemisk processteknik; Biochemical Process Engineering;

   Abstract : Sustainable use of forest and agricultural resources will play an important role for solving urgent global challenges such as the enhanced green house effect and increasing demand for fossil fuels. The development of processes where lignocellulosic biomass can be refined to several different end-products in the same plant, i.e. READ MORE

6. 24. Information Sharing and the Bullwhip Effect Reduction : A new Prespective Through the Lens of Blockchain Technology

   Author : Muthana Al-Sukhni; Athanasios Migdalas; Stefan Engevall; Luleå tekniska universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Bullwhip Effect; Information Sharing; Information Communication Systems; Blockchain Technology; Supply Chain Dynamics; Emerging Technologies; Digitization; Information Sharing Aspects; Inter-Organizational Coordination; Kvalitetsteknik och logistik; Quality Technology and Logistics;

   Abstract : Globalization and the surge of competition across industries forced companies to improve their supply chain capabilities to serve their customers efficiently and effectively. Due to this fact, businesses are no longer capable of handling all supply chain operations without collaboration and coordination with other firms. READ MORE

7. 25. Microwave sensors for scanning of sawn timber

   Author : Nils Lundgren; Olle Hagman; Gary Schajer; Luleå tekniska universitet; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; microwave scanning; wood; density; moisture content; strength grading; finite element; Electronic measurement and instrumentation; Elektronisk mät- och apparatteknik; Träteknik;

   Abstract : A microwave imaging sensor that measures the signal transmitted through a board was investigated with respect to the ability to predict the distribution of moisture and density in sawn lumber. Furthermore, the response from the sensor was related to strength properties of the boards. READ MORE