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The district heating sector in Sweden is today facing several challenges due to competition from other heating alternativesas well as decreasing heat demand in buildings. To increase its competitiveness, the district heating companieshave to find ways to keep their production costs at a more or less constant level. One way of doing this is to increasethe efficiency of the district heating systems.The district heating sector in Sweden is today facing several challenges due to competition from other heating alterna-tives as well as decreasing heat demand in buildings. To increase its competitiveness, the district heating companieshave to find ways to keep their production costs at a more or less constant level. One way of doing this is to increasethe efficiency of the district heating syst

The field of radial turbines is wide and radial turbines of today find applications in areas as diverse as small gas turbines; turbochargers for cars, buses, and trucks, railway locomotives, and diesel power generators; cryogenic and process expanders; rocket engine turbopumps; and specialty steam turbines. The three-dimensional flow inside a radial turbine is complex and ever since the radial turThe field of radial turbines is wide and radial turbines of today find applications inareas as diverse as small gas turbines; turbochargers for cars, buses, and trucks, railwaylocomotives, and diesel power generators; cryogenic and process expanders; rocket engineturbopumps; and specialty steam turbines, [12]. The three-dimensional flow inside aradial turbine is complex an

Commercial fishing makes the coastal inlet in Hornafjörður to an important navigational link for the port of Höfn in southeast Iceland. Low water depth caused through sediment accumulation along the ebb shoal generates navigational problems and the phenomenon of glacial rebound seems to intensify this problem. Economic losses caused by the inability of fishing boats to navigate through the coastal

Kristna och muslimer har levt sida vid sida i knappt ett och ett halvt årtusende i Egypten. Under de islamiska väldena betraktades de kristna som ahl al-Kitab. De kristnas status under denna period var en del av islamisk shari’a. I det moderna Egypten har två kulturer mötts, den västerländska och den islamisk-arabiska. Den västerländska kulturen var överlägsen, ekonomiskt, vetenskapligt och militäDialogue between Islam and Christianity is of great importance today. Some people consider Islam as the enemy of the World. At the same time the Muslim fundamentalist groups consider themselves as the only true Islam struggling against injustice and the western capitalist world order. The encounter between Islam and Christianity in Egypt is of great importance because these religions have coexis

Fibrillar macromolecules are long, linear structures that have helical symmetry. A technique called X-ray fiber diffraction (XRFD) is often used to help solve the three-dimensional structure of fibrillar macromolecules. Models of fibrillar structure, built de novo, using homologs or using experimental data derived from other methods should be compared to this experimental XRFD data to test and ref

This thesis describes the application of in-situ surface X-ray diffraction (SXRD) experiments to the study of electrochemical interfaces. Measurements performed at synchrotron radiation facilities are used to provide in-sight into the surface structure of electrodes and the electrochemical double layer. The impact of structural changes on electrochemical reactivity, and likewise the impact of elec

This thesis investigates the optimization of fenestration design for multi-family apartments, considering the heating demand, daylight autonomy as well as overheating. A literature review was conducted to situate the thesis focus within the broader academic field of façade optimization, and a specific apartment located in the city of Malmö was chosen as the study object. The results presented are

I denna uppsats efterforskas svar på frågan om hur körledare gör för att lära ut körmusik på gehör. Inledningsvis presenteras tidigare studier som berör körlivet i Sverige samt gehörsinstuderingen i kör. Den teoretiska basen utgår ifrån sociokulturell teori, i synnerhet det sociala samspelet. I teorikapitlets avslutande del introduceras den didaktiska triangeln och begreppet distribuerade resurser

Trots dess introduktion under början av 1950-talet används vaskulär impedans ännu inte i klinisk omfattning för att förutsäga tidiga stadier av hjärt-kärlsjukdomar. Definierad som förhållandet mellan blodtryck och blodflöde beskriver vaskulär impedans motståndet mot blodflödet i det vaskulära systemet.Under detta avhandlingsprojekt uppskattades den lokala pulsvåghastigheten (PWV) och vaskulära impDespite its introduction in the early 1950´s, vascular impedance has yet to be applied in clinical use to predict early stages of cardiovascular disease (CVD). It is defined as the ratio between blood pressure and flow and describes the opposition to blood flow within the cardiovascular system.During this thesis project, local pulse wave velocity (PWV) and vascular impedance was estimated from in

Only in primates is permanent male-female association the most widespread social structure of all. The continuous presence of resident males in the social group can have significant impacts on female fitness, both in forms of costs and benefits. In this study I investigate particular short-term benefits and costs of resident males to females in a population of ursi

Version 3 av ecoinvent är den första databasen att erbjuda möjligheten att koppla samman livscykelinventeringar (LCI) utefter olika länkningsalgoritmer. Genom dessa länkningsalgoritmer tar ecoinvent nu fram bakgrundslivscykelinventeringar med både medeldata och långsiktig marginaldata (t.ex. över elmarknader i olika länder). Idealt sett representerar långsiktig marginaldata över elmarknader den ytVersion 3 of the ecoinvent database is the first background database to offer the possibility to link life cycle inventories (LCI) according to different linking algorithms. Using those algorithms, ecoinvent now provides both average and long-term, marginal background LCI data, (e.g. for electricity markets for different countries). Long-term, marginal data for electricity markets ideally represen

On the morning of the 8th of April 2013, the world woke up to Abu Bakr Al- Baghdadi, the leader of what was called the Islamic State in Iraq or ISI, announcing the expansion of his group from Iraq into Syria. Al-Baghdadi also announced the merger of ISI and Jabhat al-Nusra (JN) into a new group called the Islamic State in Iraq and al-Sham or ISIS. Only one day after the announcement, JN released a

Popular Abstract in Swedish Avsaltning av havsvatten utgör en viktig källa för vattenförsörjning till befolkningen som bor vid Persiska viken, Medelhavet och Röda havet. De tre regionerna utgör ca 11,8 % av världens landyta och hade omkring 9 % av världens befolkning under 1950 och 2008, samt lika mycket enligt prognos för år 2050. Dessa områden är hemvist för 62 %, 58% och 60% av världens avsaltnIn this M.Sc. Thesis of a comparison for sewerage system of the three main municipalities of Turkish Republic of Northern Cyprus (T R N C) has been studied and discussed. The study covers the future population calculations for three municipalities, Nicosia, Famagusta and Kyrenia, by means of Turkish and European standards. The comparisons for sewerage system of the three municipalities are compare

The retail sector represents 11% of the GDP and employs 15% of the workforce in the European Union. To tackle growth of e-commerce, physical retail stores need to be reviewed; both to decrease operating costs, increase productivity and to make the shopping experience more appealing. Energy use for lighting accounts for 50% of the total energy use in non-food retail stores, which is consumed primar