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District heating systems make an important puzzle piece in the energy system of both today and tomorrow. When designing, simulating and controlling these systems, hydraulics play a vital role. The pressure generated by pumps has to drive sufficient flow throughout the system to satisfy the requirements of customers. Ensuring that the system is sufficiently pressurized is a challenging task already
This chapter analyzes the legitimizing discourse of the humanities in two different public debates in Sweden at the end of the twentieth century and at the beginning of the twenty-first century. The first debate concerned the marginalized role of the humanities and their relation to the broader public, while the second was strongly influenced by current research policies, which had a strong focus
Då och då uppmärksammar massmedia så kallade historiska skandaler såsom sterilisering, vanvård inom den sociala barnavården, höga dödstal på sinnessjukhus eller behandling av minoritetsbefolkningar. Sådan massmedial uppmärksamhet bidrar ibland till diskussioner i nutida samhällsdebatt om välfärdsstatens roll, om svek till individer i utsatta positioner och om vägar till upprättelse.I sådana samman
It is known that the reduction of blood cholesterol can be accomplished through foods containing a large number of dietary fibers; this process is partially related to the binding of bile salt to fibers. To gain new insights into the interactions between dietary fibers and bile salts, this study investigates the interactions between cationic hydroxyethyl cellulose (catHEC) and sodium deoxycholate
This paper revisits the Swedish banking crisis (1919–1926) that materialized as post-war deflation replaced wartime inflation (1914–1918). Inspired by Fisher’s “debt deflation theory,” we employ survival analysis to “predict” which banks would fail, given certain exante bank characteristics. Our tests support the theory; maturity structures mattered most in a regime of falling prices, with vulnera
A compact planar directional coupled crossover with a wide fractional bandwidth is proposed in this letter, which is composed of overlapping planar 3-dB couplers based on the substrate integrated waveguide (SIW) and stripline techniques. In the proposed structure, the TE10 mode and TEM mode can be transmitted simultaneously without any interaction, which is helpful to design and integrate the SIW
