1,327 zoekresultaten voor “online study” in de Publieke website
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Wireless Random-Access Networks and Spectra of Random Graph
This thesis is divided into two parts. In Part I we study metastability properties of queue-based random-access protocols for wireless networks. The network is modeledas a bipartite graph whose edges represent interference constraints. In Part II we study spectra of inhomogeneous Erdős-Rényi random…
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Tautological differential forms on moduli spaces of curves
In this thesis we study the moduli space of genus g curves, and the differential forms that occur naturally on this moduli space.
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SFA of PVC in Sweden
In this study the flows of PVC and its additives through the Swedish Society were followed from the cradle to the grave (from production to waste treatment).
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Gevangenisonderzoek
Binnen dit instituut wordt veel gevangenisonderzoek verricht. Detentie is de strengste sanctie die in de strafrechtstelsels van de Europese landen wordt toegepast. In de meeste landen is de gevangenispopulatie de afgelopen decennia toegenomen. In Nederland worden jaarlijks meer dan 30.000 mensen opgesloten…
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Management of small-scale -African fisheries: The Case of Elephant Marsh in Malawi
How does the management of Elephant Marsh Fishery in Malawi relate to wider contexts of policies, theories and regions? And how can the current management system be adapted to achieve long-term sustainability of the fishery?
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Origami metamaterials : design, symmetries, and combinatorics
In the first part of this thesis we study the geometry of folding patterns.
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Yiatrosofia yia ton Anthropo: Indigenous Knowledge of Medicinal, Aromatic and Cosmetic (MAC) Plants in the Utilisation of the Plural Medical
Promotor: Prof.dr. L.J. Slikkerveer
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Disentangling a complex genus: systematics, biogeography and bioactivity of the genus Phyllanthus L. and related genera of tribe Phyllantheae
The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it.
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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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Lipid signaling and inflammation: metabolomics for better diagnosis and treatment strategy
Lipid signaling is an essential biological event/process in a plethora of pathophysiological conditions. The underlying idea of this thesis is that many of the roles and the complex interplay of the individual signaling lipids in inflammatory processes and related conditions in health and disease is…
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Leukemia treatment & cognitive development
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Hysterons and pathways in mechanical metamaterials
Mechanical metamaterials are carefully engineered materials whose properties are controlled by their structure, not by their composition, which allows using metamaterials to study and control physical effects in detail.
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Governance of Innovation Project Management: Necessary and Neglected
Promotor: Prof.dr. B.R. Katzy, Prof.dr. J. de Vries
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Higgs dynamics in the early universe
In the early universe, the dynamics of the Higgs field can give rise to many interesting phenomena.
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Studies of dust and gas in the interstellar medium of the Milky Way
Promotor: Prof.dr. A.G.G.M. Tielens
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Laser-generated toroidal helium plasmas
This dissertation is an experimental study of laser-generated, atmospheric pressure, transient toroidal helium plasmas.
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Aspects of cosmic acceleration
The focus of the dissertation
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Magnetic Resonance Force Microscopy and the Spin Bath
There are many interpretations of quantum mechanics, and ultimately experiments are needed to verify or falsify these interpretations.
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Explicit Computation of the Height of a Gross-Schoen Cycle
Arithmetic geometry concerns the number-theoretic properties of geometric objects defined by polynomials. Mathematicians are interested in the rational solutions to these geometric objects.
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Safe anytime-valid inference: from theory to implementation in psychiatry research
Classical statistical methods, such as p-values, are difficult for researchers to apply correctly. They for example do not allow drawing conclusions from a study early, or for extending a study with extra research groups that want to make their data available later.
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Visualization of Vitamin A Metabolism
Vitamin A or retinol is essential in embryonic development, the visual cycle and the immune system.
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The shell evolution of the Hydrocenidae of Malaysian Borneo
The thesis is about the study of shell evolution of the Hydrocenidae of the genus Georissa. This thesis started with a general overview on the evolutionary process of animals due to ecological changes.
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Probing molecular layers with low-energy electrons
Molecular materials have been a subject of interest in fundamental research and applications for decades, and have been studied as bulk crystals, (thin) films and as individual molecules, due to the large variety in their properties. This dissertation explores pentacene crystals near the two-dimensional…
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The developing infant gut microbiota: mathematical predictions of the effects of oligosaccharides
A complex community of microbes develops in the infant gut shortly after birth. We call this community the infant gut microbiota. The microbiota influences the health of the infant, which makes the composition and function of the infant gut microbiota an important topic to study.
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Are we there yet? Advances in anytime-valid methods for hypothesis testing and prediction
Statistical considerations guide the design and implementation of the experiments that scientists perform. For instance, in a clinical trial about a the efficacy of a treatment, its effect in a certain minimum amount of patients has to be observed in order to make confident assertions about the efficacy…
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Online tentoonstelling - 's werelds laatste beeldschrift: Naxi Dongba handschriften
Handschriften die op een stripboek lijken, zo zou je de manuscripten van de Dongba-bevolking uit China kunnen omschrijven. De handschriften zijn de laatste voorbeelden van een zogenaamd pictografisch schrift dat alleen kan worden geïnterpreteerd door Dongba-priesters, sjamanen, met kennis van de oude…
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Functional study of the human genome
Promotie
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Thyroid axis challenges in Leiden Longevity Study
Promotie
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Online Q&A International Relations (MA)
Studievoorlichting
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Online Q&A European and International Business Law (advanced LLM)
Studievoorlichting
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Rare Earth Supply Chain and Industrial Ecosystem: A Material Flow Assessment of European Union
1) Assess the trends in supply and production status of these critical minerals and mineral products worldwide and Europe’s dependence including on intermediate products such as permanent magnets, RE based super alloys, batteries, polishing compounds, phosphors, catalysts etc. 2) Trace the entire value…
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Understanding the ecology of the Bornean Pygmy Elephant (Elephas maximus borneensis) in the Sebuku Forest, Nunukan District, North Kalimantan
What is movements and corridors of the Bornean pygmy elephant in Sebuku forest? What is the nature of human-elephant conflict in Nunukan District in time and space? What are the diets of the Bornean elephants related to crop raiding?
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Korte film ‘De Dromenkijker’ van Universe Awareness is online
UNAWE’s korte film ‘De Dromenkijker’ vertelt het verhaal van zeven kinderen die op avontuur gaan om sterren te kijken in de natuur. De film ging onlangs in première op het Leidse festival Nacht van Kunst en Kennis, waar het warm werd ontvangen door een publiek van honderd mensen. Vele aanwezigen lieten…
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Online extractenbibliotheek slaat brug tussen telers en nieuwe markten
Biologen gaan extracten van tuinbouwgewassen verzamelen in een digitale bibliotheek. Producenten uit de farmacie, agrochemie, cosmetische industrie en foodsector die op zoek zijn naar specifieke stoffen kunnen via het systeem in contact komen met de tuinders die de stoffen produceren. De bibliotheek…
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Online Master's Experience Day Statistics & Data Science
Studievoorlichting
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On topological properties of massless fermions in a magnetic field
Make more fluid: In condensed matter systems, electrons can acquire unusual properties from their interaction with the atomic lattice.
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Modeling interstellar bubbles: near and far
Promotor: Prof. dr. A.G.G.M. Tielens
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Functions of leptin in tuberculosis and diabetes: multi-omics studies across species
In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.
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Bioorthogonal Antigens
The aim of this thesis is to explore the use of Bioorthogonal Antigens to study the cross-presentation pathway.
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Time Domain Imaging of Transient and Variable Radio Sources
This thesis focuses on the study of transient and variable radio sources in the universe.
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Synthetic peptides as tools in chemical immunology
This thesis has described novel synthetic methods to produce a variety of (glyco)peptides and their application in the study of various immunological processes.
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Josephson and noise scanning tunneling microscopy on conventional, unconventional and disordered superconductors
In this thesis we use Josephson and noise scanning tunneling microscopy for the study of conventional, unconventional (iron-based) and disordered superconductors. On the one hand, Josephson scanning tunneling microscopy allows us to directly visualize the superfluid density with high spatial resolut…
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A fresh view on carbon radio recombination lines powered by LOFAR
The Low Frequency Array enables studies of low-frequency carbon radio recombination lines with unprecedented sensitivity, spectral and spatial resolution.
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Impacts of grassland wildfire on invertebrate species
Does a mid-season fire impact invertebrate populations?
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UV Photodesorption and Photoconversion of Interstellar Ices
This thesis is an experimental study of the UV irradiation of the interstellar ice analogues, relevant for the different stages of the star and planet formation sequence.
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Lattice models for Josephson junctions and graphene superlattices
In this thesis we study quantum transport phenomena on the nanometer scale, in two classes of materials: topological insulators with induced superconductivity and graphene superlattices.
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Activity-based proteomics of the endocannabinoid system
This thesis describes the use of an activity-based proteomics method to study the endocannabinoid system.
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Hunting for new physics in the primordial Universe
This thesis contributes to studying primordial cosmology theories and their detectability in future observations.
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Organisatie van online evenementen: ‘Geen generale repetitie, maar meteen door naar de première!’
2020 is een jaar waarin we onszelf opnieuw moeten uitvinden, ook binnen de marketingafdeling van onze faculteit. Al jaren organiseren onze medewerkers kennismakingsactiviteiten zoals de Bachelor Open Dagen, Masterdagen en Proefstuderen. Vanaf maart moest alles anders.
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Assembling anisotropic colloidal building blocks
This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.