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The design of a versatile high-precision eight-axis ultrahigh-vacuum-compatible polarimeter is presented. This multipurpose instrument can be used as a self-calibrating polarization detector for linearly and circularly polarized UV and soft-x-ray light. It can also be used for the characterization of reflection or transmission properties (reflectometer) or polarizing and phase-retarding properties

The coverage-dependent adsorption properties of a laterally heterogeneous bimetallic surface have been investigated by high resolution core level photoemission and low energy electron diffraction. The specific system under study was CO adsorbed on a Rh(111) surface onto which 2D Pd islands (coverage 0.5 ML) were formed by vapor deposition. The CO adsorption properties of the heterogeneous surface

Since its discovery and description, the oriental moth Pseudobiston pinratanai Inoue, 1994, could not be placed in any of the recognized families of Macroheterocera (Lepidoptera). Here, we used molecular and morphological data to infer the phylogenetic position of the species. These analyses indicate that Pseudobiston pinratanai is closely related to Epicopeiidae. Our analyses of morphological cha

The butterfly family Pieridae comprises approximately 1000 described species placed in 85 genera, but the higher classification has not yet been settled. We used molecular data from eight gene regions (one mitochondrial and seven nuclear protein-coding genes) comprising a total of ~6700 bp from 96 taxa to infer a well-supported phylogenetic hypothesis for the family. Based on this hypothesis, we r

This dissertation investigates the use of religious terms and symbols in politics. More specifically, it investigates Muslim politics. Its aim is to analyze the role of religious terms and symbols within a non-fundamentalist political party, namely the Sri Lanka Muslim Congress (SLMC), a Muslim political party that has been part of the democratic process in Sri Lanka since the 1980s. I thereby hop

Literature surveys, limited to the sensor technologies applicable for the functionalities of relevance for the “Safe Speed” and “Safe Distance” concept, were conducted on recent and undergoing development in the area of sensor technology. Various alternatives of combinations of sensors can serve for building the prototype for the Safe Speed and Safe Distance concept. However, one sensor alone can

Conventionally, the spacing between adjacent elements in an antenna array are set at half-a-wavelength in order to obtain maximum spatial resolution while avoiding spurious sidelobes. However, for antenna arrays that are implemented in a compact manner, the spacing between the adjacent elements can be significantly less than half-a-wavelength. The small spacing between the antennas results in stro

Popular Abstract in Swedish Trä är ett konstruktionsmaterial med många positiva egenskaper, både avseende mekaniska och tekniska egenskaper och avseende det som ibland kallas mjuka egenskaper. Trä har generellt hög styrka i förhållande till sin vikt, det är ett naturligt förnybart material och det anses av många vara estetiskt tilltalande. Jämfört med andra vanliga konstruktionsmaterial som stål oThis thesis concerns experimental and theoretical work regarding perpendicular to grain fracture in wooden structural elements. The experimental part concerns strength tests of glulam beams with a hole. The theoretical parts concern development of two models for strength and fracture analysis, both based on fracture mechanics approaches, and their application to analysis of beams with a hole and d

We have investigated CO adsorption at 300 K on ∼ 1.5 atomic layer thick Pd films on a Mo(110) surface by high-resolution core level photoemission. We describe how high-resolution core level spectroscopy may be utilized to study the influence of laterally mobile states on the sticking probability of molecules on such a laterally heterogeneous surface. The present Pd films are laterally heterogeneou

A grazing-incidence grating spectrometer has been used for the investigation of the undulator radiation from beamline 411 at MAX-lab. The direct detection of undulator light is expected to obtain the information of the quality of the undulator. Regular undulator radiation and some higher harmonics were observed. The effects of electronic beam coupling and Landau cavities have been studied. The exp

A strong low-energy shake-up satellite for CO adsorbed on Pd is observed. The occurrence of the satellite is established for the CO/1 ML Pd/Mo(110) system at a coverage where CO adsorbs exclusively on-top. Comparisons with CO adsorbed on Pd single-crystal surfaces and small supported Pd particles indicate that the strongly increased satellite intensity is due to the decreased CO-Pd interaction str

Learning is a highly individual process. Some prefer learning by reading the course material, others learn best by listening to a lecture, whilesome like to learn in a trial-and-error way by themselves in a laboratory assignment. A good learning scheme is individual. A scheme that is good for some persons might not at all be good scheme for someone else. It is important to understand your own pers

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