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Bis(phosphinidene)-capped triiron carbonyl clusters, including electron rich derivatives formed by substitution with chelating diphosphines, have been prepared and examined as proton reduction catalysts. Treatment of the known cluster [Fe3(CO)9(µ3-PPh)2] (1) with various diphosphines in refluxing THF (for 5, refluxing toluene) afforded the new clusters [Fe3(CO)7(µ3-PPh)2(κ2-dppb)] (2), [Fe3(CO)7(µ
Ribbed channel flows are encountered in numerous engineering applications to promote turbulence and enhance heat transfer in various cooling passages, e.g., in turbine blades and at combustor walls. Numerical simulations have become an increasingly useful tool for studying the behavior of fluids in rib-roughened channels to provide insights into the complex turbulence structures and flow separatio
It has been known from multi-zone simulations that HCCI combustion can be significantly affected by temperature stratification of the in-cylinder gas. With the same combustion timing (i.e., crank angles at 50% heat release, denoted as CA50), large temperature stratification tends to prolong the combustion duration and lower down the in-cylinder pressure-rise-rate. With low pressure-rise-rate HCCI
Recent experiments and numerical studies have showed that piston geometry has a significant effect on the homogeneous charge compression ignition (HCCI) process. There are two effects generated by the combustor geometry: the geometry affects the flow/turbulence in the cylinder; the geometry also affects the temperature stratification. The temperature stratification is more directly responsible for
The majority of the power production in the world today is based on combustion of coal, oil and natural gas. Most countries have agreed that the amount of CO2 emitted to the atmosphere will have to be decreased to keep the global warming at sustainable levels. One way of reducing the CO2 emitted to the atmosphere is by introducing hydrogen co-firing. The hydrogen may be produced from renewable sou
A single zircon grain dated by ion probe with a minimum age of 3432±30 Ma was found in a microgranite dyke, which cuts norite of 916±11 Ma Hakefjorden Complex at Älgön on the Swedish west coast north of Gothenburg. Zircons are a rare accessory mineral in this dyke. They could be classified by morphology as orthocrysts and xenocrysts. Data from four orthocrysts show that the dyke originated between
Master’s Dissertation Structural Mechanics INFLUENCE OF ANNUAL RING ORIENTATION ON COMPRESSION STRENGTH PERPENDICULAR TO GRAIN IN GLULAM Report TV SM -5203 PH ILIP W A LLIN IN FLU EN C E O F A N N U A L R IN G O R IEN TA TIO N O N C O M PR ESSIO N STR EN G TH PER PEN D IC U LA R TO G R A IN IN G LU LA M PHILIP WALLIN 5203HO.indd 15203HO.indd 1 2015-06-23 15:03:362015-06-23 15:03:36 DEPARTMENT OF C
https://www.byggmek.lth.se/fileadmin/byggnadsmekanik/publications/tvsm5000/web5203.pdf - 2026-06-01
Populism invokes the authority of the people against an élite. Often that entails a rejection of the authority of experts and their criteria for a valid discourse. This tension surfaces in conflicts around conspiracy theories and here is suggested that this tension is seen as a conflict between two interpretations of reality, of particular phenomena or history. The question is what role the philos
Abstract in UndeterminedThe dynamics of agglomeration externalities along the life cycle of industries, Regional Studies. This paper investigates the changing roles of agglomeration externalities along the industry life cycle. It is argued that industries have different agglomeration needs in different stages of their life cycles because their mode of competition, innovation intensity, and learnin
The diagnostic techniques for simultaneous velocity and relative OH distribution, simultaneous temperature and relative OH distribution, and three component velocity mapping are described. The data extracted from the measurements include statistical moments for inflow fluid dynamics, temperature, conditional velocities, and scalar flux. The work is a first step in the development of a detailed lar
Un jour Linnea et Frida dicidé a allé en Italie. Linnea pensé a beacoup de soleil. Est Frida pensé a des beau garçons. Linnea et Frida ont une trés petite voiture. Elles allé a Italie aprés deux jours. Elles va venir a une hotel avec une grand fenetre. Frida les vêtements dans la gardrobe. Elles vent au la beach. Linnea et Frida vent au une resturant et managé les bonne plats. A la nuit elles vent
https://projekt.ht.lu.se/fileadmin/user_upload/project/cefle/textes/le_sous-corpus_longitudinal/barbara/Texte_3.txt - 2026-06-01
Un jour Linnea et Frida dicidé a allé en Italie. Linnea pensé a beacoup de soleil est Frida pensé a des beau garçons. Linnea et Frida ont une trés petite voiture. Elles allé a Italie aprés deux jours. Elles va venir a une hotel avec une grand fenetre. Frida (hängde) les vêtements dans la gardrobe. Elles vent au la beach. Linnea et Frida vent au une resturant et managé les bonne plats. A la nuit el
https://projekt.ht.lu.se/fileadmin/user_upload/project/cefle/textes/le_sous-corpus_transversal/stade_b/Barbara.txt - 2026-06-01
When you want to relax for a while with a cup of coffee or go to lunch, you can visit one of the cafes or restaurants that operates within the University premises. Lund University has agreements with businesses offering cafes and restaurants at the premises of the University. The purpose is to offer cafes and restaurants with accommodated prices to students and staff.Cafés and restaurants at Lund
https://www.staff.lu.se/support-and-tools/premises-and-parking/cafes-restaurants-and-coffee-machines - 2026-06-01
