90 zoekresultaten voor “Evans Ray” in de Publieke website
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X-ray spectroscopy of merging galaxy clusters
This thesis focuses on the X-ray spectral analysis of merging galaxy clusters and the plasma code development for future high-resolution X-ray spectroscopy observations.
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Hunting dark matter with X-rays
Promotor: A. Achúcarro Co-promotor: A. Boyarsky
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Exploring the interactions of M dwarf winds and cosmic rays
This thesis focus on the interaction between M dwarf stellar winds and Galactic cosmic rays and the possible effects on the habitability of exoplanets.
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Winds in the AGN environment: new perspectives from high-resolution X-ray spectroscopy
Promotor: J.S. Kaastra Co-promotor: E. Constantini
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X-ray spectroscopy of interstellar dust: from the laboratory to the Galaxy
In this thesis, we present new laboratory data of interstellar dust analogues.
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Tailoring X-ray tomography techniques for cultural heritage research
Promotie
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modeling of the hot Universe: Advances and challenges in high-resolution X-ray spectroscopy
Hot astrophysical plasma is ubiquitous in the Universe, from comets in our Solar system to the largest scale structures -- the cosmic web filaments. These hot plasmas, with the temperature of a few millions of degrees, are often observed in the X-ray wavelength range.
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Silicon pore optics for high-energy optical systems
This thesis examines silicon pore optics (SPO), a technology that exploits silicon wafers from the semiconductor industry to create extremely high quality X-ray optics, by studying its manufacturing process, applications, and prospects.
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X-raying extragalactic gas: warm-hot gas in the EAGLE simulations
I have studied the hot, diffuse gas around and between galaxies. Specifically, I have used the EAGLE numerical simulations of galaxy formation to predict the properties of this gas, and I have used those properties to predict specific observables: soft X-ray absorption and emission lines.
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From intracluster medium dynamics to particle acceleration
The intracluster medium (ICM) is a hot, tenuous and X-ray emitting gas that pervades galaxy clusters.
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Electronic spectroscopy of molecules of astrophysical interest
This thesis revolves around the electronic spectroscopy of molecules in the laboratory and the search for the carriers of the diffuse interstellar bands (DIBs).
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Neutrinos From the Milky Way
Promotor: Prof.dr. M. de Jong
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The spin evolution of accreting and radio pulsars in binary systems
Pulsars were first discovered in 1967 and since then the population has grown and expanded over several wavelengths.
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CO oxidation catalysis at multiple length scales
Promotor: J.W.M. Frenken Co-Promotor: R. Felici
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Search for cosmic neutrinos with ANTARES
Promotor: Prof.dr. M. de Jong, Co-Promotor: A.J. Heijboer
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The structure of the cytochrome P450cam-putidaredoxin complex determined by paramagnetic NMR spectroscopy and crystallography
Promotor: Prof.dr. M. Ubbink
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From supernovae to galaxy clusters: observing the chemical enrichment in the hot intra-cluster medium
Promotor: Jelle S. Kaastra Co-promotor: Jelle de Plaa
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Periodic pulse solutions to slowly nonlinear reaction-diffusion systems
Promotor: A. Doelman, Co-promotor: J.D.M. Rademacher
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The structure of a working catalyst: from flat surfaces to nanoparticles
Promotor: Prof.dr. J.W.M. Frenken
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Tuning in to the feedback bassline: revealing the operation of AGNs in galaxy clusters with high-resolution radio observations
Following the Big Bang, structure in the Universe started collapsing under the force of gravity. This resulted in the formation of the first stars, galaxies and clusters of galaxies.
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Substrate adaptability of β-lactamase
The research aims to explore the evolutionary adaptability of enzymes and the impact of temperature on protein evolution pathways, using M. tuberculosis β-lactamase BlaC as the object of study. Enzymes inherently embody a delicate balance between activity and stability, and the acquisition of new enzymatic…
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Impacts of fire on invertebrate species
What impact does a mid-season wildfire have on grassland invertebrates?
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Revealing the nature of new low-frequency radio source populations
It has now been well established that shocks and turbulent motions in the intra-cluster medium (ICM) generated through cluster mergers can produce large-scale synchrotron emission.
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Random walks on Arakelov class groups
The main topic of this PhD thesis is the Arakelov ray class group of a number field, an algebraic object that contains both the ideal class group structure and the unit group structure.
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Spectral imaging and tomographic reconstruction methods for industrial applications
Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.
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Merging galaxy clusters: probing magnetism and particle acceleration over cosmic time
In this thesis, I studied the origin and evolution of the non-thermal radiation in merging galaxy clusters.
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Management implications for invertebrate assemblages in the Midwest American agricultural landscape
Promotor: G.R. de Snoo Co-promotor: C.J.M. Musters
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Impacts of grassland wildfire on invertebrate species
Does a mid-season fire impact invertebrate populations?
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A Model Membrane Approach to Elucidate the Molecular Organization in the Skin Barrier
Promotor: J. A. Bouwstra
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Filter-based reconstruction methods for tomography
Promotor: K.J. Batenburg
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The impact of climate variability on the ecology of a lion (Panthera leo Linnaeus 1758) population and lion livestock conflicts in the Amboseli
Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Co-promotor: H.H. de Iongh
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Deep learning for tomographic reconstruction with limited data
Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.
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Cosmic particle acceleration by shocks and turbulence in merging galaxy clusters
In this thesis, I study the formation of large-scale structure and the physics of particle acceleration at large scales (~Mpc).
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Exploring the interactions of M dwarf winds and cosmic rays
Promotie
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Invertebrates on the edge
What invertebrates live in the fields and edges? Do the populations change with landscape complexity?
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Bloomington Grove Kickapoo Creek Restoration to Enhance Biodiversity
Does a high quality prairie restoration in an urban/agricultural landscape provide invertebrates necessary for a sustainable ecosystem?
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Bugs and birds and landscape complexity
What invertebrates are available to feed nestlings in an agricultural landscape of varied complexity?
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Far from home: the science exploitation of the fastest Milky Way stars
The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.
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Invertebrate response to management of roadside edges
Does roadside management in the mid-west USA increase invertebrate diversity similar to practices in Europe?
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Modeling interstellar bubbles: near and far
Promotor: Prof. dr. A.G.G.M. Tielens
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A well-established harmony in chaos: from isolated galaxies to galaxy clusters
The origin and evolution of galaxies are closely linked to many different physical phenomena.
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Enumerative arithmetic
This thesis consists of three chapters. Each chapter is on a different subject. However, all three chapters address issues that arise in counting arithmetically interesting objects.
- Oortlezing
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The dust and molecular gas in the torus of NGC 1068
An Active Galactic Nucleus (AGN) is a highly luminous region at the center of a galaxy, powered by the accretion into a supermassive black hole and emitting energy from radio waves to gamma rays, often outshining the host galaxy.
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Hydrocarbons in interstellar ice analogues: UV-vis spectroscopy and VUV photochemistry
Promotor: Prof.dr. H.L.V. Linnartz
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Cathodic corrosion
Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.
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The structure of the dusty cores of active galactic nuclei
Promotor: W. Jaffe, Co-promotor: K. Meisenheimer
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Algebraic filters for filtered backprojection
Promotor: K.J. Batenburg, Co-promotor: A.W. van der Vaart, B. de Smit
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Reconstruction Methods for Combined HAADF-STEM and EDS Tomography
The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.
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Complex networks in perspective
Congres/symposium