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Public procurement for innovation: lessons from the procurement of a navigable storm surge barrier
Public Procurement for Innovation (PPI) is a powerful, underutilized demand-side innovation policy instrument that can be used to stimulate innovation, meet sectoral policy goals and mitigate grand challenges. Further research is required to analyze how PPI contributes to these goals and how it operates in practice; more case studies are needed to achieve this. We analyze a case of direct developm
Henry Taube. Nyskapare inom den oorganiska kemin
1983 års nobelpristagare i kemi, Henry Taube, professor vid Stanford University i USA, har gjort banbrytande insatser för att klarlägga oorganiska föreningars dynamik i lösning. Han får priset för sina arbeten rörande mekanismer för elektronöverföringsreaktioner, särskilt hos metallkomplex. Hans arbeten har väsentligt bidragit till utvecklingen av den moderna oorganiska kemin. De har stor betydels
Efficient Time Integration of IMEX Type using Exponential Integrators for Compressible, Viscous Flow Simulation
We investigate the adaption of the recently developed exponential integrators called EPIRK in the so-called domain-based implicit-explicit (IMEX) setting of spatially discretized PDE's. The EPIRK schemes were shown to be efficient for sufficiently stiff problems and offer high precision and good stability properties like A- and L-stability in theory. In practice, however, we can show that these st
A Note on Terminology in Multigrid Methods
We compare terminology used in the literature on multigrid methods for compressible computational fluid dynamics to that used in linear multigrid theory. Several popular iterative and direct smoothers are presented side-by-side using the same terminology. We argue for greater analysis of these methods in order to place them into a more rigorous framework and to identify the most promising candidat
Convergence Analysis of the Dirichlet-Neumann Iteration for Finite Element Discretizations
We analyze the convergence rate of the Dirichlet-Neumann iteration for the fully discretized unsteady transmission problem. Specifically, we consider the coupling of two linear heat equations on two identical non overlapping domains with jumps in the material coefficients across these. In this context, we derive the iteration matrix of the coupled problem. In the 1D case, the spectral radius of th
Patch testing with metals with focus on gold
Water Exchange Mechanism of Tetraaquapalladium(II). A Variable Pressure and Variable Temperature Oxygen-217 NMR Study
Water exchange of square-planar Pd(H2O)42+ has been studied as a function of temperature (240 to 345 K) and pressure (0.1 to 260 MPa, at 324 K) by measuring the 17/O-FT-NMR line-widths of the resonance from coordinated water at 27.11 and 48.78 MHz. The following exchange parameters were obtained: k298ex = (560 ± 40) s−1, ΔH* = (49.5 ± 1.9) kJ mol−1, ΔS* = – (26 ± 6) J K−1 mol−1 and ΔV* = – (2.2 ± Water exchange of square-planar Pd(H2O)42+ has been studied as a function of temperature (240 to 345 K) and pressure (0.1 to 260 MPa, at 324 K) by measuring the 17/O-FT-NMR line-widths of the resonance from coordinated water at 27.11 and 48.78 MHz. The following exchange parameters were obtained: k298ex = (560 ± 40) s−1, ΔH* = (49.5 ± 1.9) kJ mol−1, ΔS* = – (26 ± 6) J K−1 mol−1 and ΔV* = – (2.2 ±
Carsons kamp för miljön
Sepoymyteriet 1857–58 : Indiska soldater anföll sina befäl
Harry Houdini : Utbrytarkungens genombrott
Mau mau-revolten 1952–60 : Blodig kamp för jord och frihet
Vitus Bering : Dansk kartlade ryska östern
Amerigo Vespucci : Köpmannen gav namn åt Amerika
Elektricitetens mästare hatade varandra
Boxningshjälte användes i nazipropaganda
Zenobia : Krigardrottningen utmanade Rom
Brigitte Bardot : Omslagsflickan som hoppade av
Rubus sect. Corylifolii in the province of Halland, SW Sweden
Abstract in UndeterminedAn inventory is described of Rubus sect. Corylifolii from the province of Halland in south-west Swe- den. About 850 localities have been visited and field studies have been combined with chromo- some counting and random amplified polymorphic DNA studies. Ten traditional species have been observed, as well as six local species, two with over70 localities each. The other four
Rubus sordirosanthus in Halland, southwest Sweden
Abstract in UndeterminedRubus sordirosanthus (sect. Corylifolii Lindl.) was published, although invalidly, by Hylander 1958 from the province of Halland, south-western Sweden. A holotype is here provided to make the name validly published. Recent field studies have shown that it occurs at almost 100 localities in a restricted area of c. 6 km around Steninge in central Halland. In addition, it is f