1,085 zoekresultaten voor “first making” in de Publieke website
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Magnetism and magnetization dynamics in thin film ferromagnets
Promotores: Prof.dr. J. Aarts, Prof.dr. J.M. van Ruitenbeek
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Computational electrocatalysis
This dissertation focused on computational methods based on first principles calculations using the Density Functional Theory (DFT) framework. Emphasis was laid on affordable methods that can provide a tradeoff between computational expense and accuracy.
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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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On electronic signatures of topological superconductivity
Promotor: Prof.dr. C.W.J. Beenakker
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Low-Energy Electron Microscopy on Two-Dimensional Systems: Growth, Potentiometry and Band Structure Mapping
Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp
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Comorbidities, complications and treatment of childhood obesity
Childhood obesity is an increasing health issue. In the first part of this thesis comorbidities in children with obesity were studied, concerning the diagnostic process and dosing regimens.
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The parabolic Anderson model and long-range percolation
Promotor: Prof.dr. F. den Hollander, G.Maillard
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Mind the gap: gas and dust in planet-forming disks
Promotores: Prof.dr. E.F. van Dishoeck, Prof.dr. C.P. Dullemond
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Temminck's Order. Debates on Zoological Classification: 1800-1850
“Temminck’s Order” is the scientific biography of Coenraad Jacob Temminck (1778–1850), a Dutch naturalist and the first director of ’s Rijks Museum van Natuurlijke Historie in Leiden.
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Bridging the gap between physics and chemistry in early stages of star formation
A dense region of a gaseous and dusty cloud collapses to form a protostar surrounded by a disk and an envelope. This thesis uses both observations and models to study physical and chemical conditions of these protostellar systems which are likely where planets start to form.
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Computational modeling of angiogenesis : from matrix invasion to lumen formation
Promotor: Roeland M.H. Merks
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Unravelling cell fate decisions through single cell methods and mathematical models
Despite being the object of intense study, embryonic development has been difficult to model due to a number of reasons. First, complex tissues can be comprised of many cell types, of which we probably only know a subset.
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Noonan and LEOPARD syndrome in zebrafish: molecular mechanisms and cardiac development
Promotor: Prof.dr. J. den Hertog
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Network flow algorithms for discrete tomography
Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele
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Spin dynamics in general relativity
Promotor: J.W. van Holten
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The tension between nature conservation and economic valuation of ecosystem services
Promotores: G.R. de Snoo, W.T. de Groot, Co-promotor: C.J.M. Musters
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Principal algebraic actions of the discrete Heisenberg group
Promotor: Prof.dr. W.T.F. den Hollander
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Exploring the Edge
At the largest scales, two ingredients dictate the distribution of matter in the Universe. The first is dark matter, acting as an invisible scaffolding held together by gravitational forces.
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Clues from stellar catastrophes
Promotores: S.F. Portegies Zwart, E. M. Rossi
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Visualizing strongly-correlated electrons with a novel scanning tunneling microscope
Materials with strongly correlated electrons show some of the most mysterious and exotic phases of quantum matter, such as unconventional superconductivity, quantum criticality and strange metal phase.
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Development of new chemical tools to study the cannabinoid receptor type 2
The endocannabinoid receptors CB1R and CB2R are involved in a plethora of processes, and consequently are involved in many pathological conditions. Their wide distribution makes the CBRs both an interesting therapeutic target and hard to study.
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The wild Brauer-Manin obstruction on K3 surfaces
In this thesis, rational points on K3 surfaces are studied. In the first part of Chapter 1 the Brauer group and the the Brauer-Manin obstruction are introduced.
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Risk bounds for deep learning
In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.
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Jewish Magic from Antiquity to the Twenty-First Century
Lezing
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Brandstoffen maken uit zonlicht en CO2
Planten zou je kunnen zien als kleine chemische fabrieken, die via fotosynthese chemische stoffen produceren. Als we fotosynthese kunnen nabootsen in een kunstmatig systeem, kunnen we schone brandstoffen en materialen maken uit zonlicht en CO2. Huub de Groot is heel dicht bij het ontwerpen van zo’n…
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The Many Faces Of Online Learning
In this dissertation several settings in the Online Learning framework are studied. The first chapter serves as an introduction to the relevant settings in Online Learning and in the subsequent chapters new results and insights are given for both full-information and bandit information settings.
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Online Course Clinical Research Regulation in the Netherlands
Are you planning to conduct clinical research in the Netherlands? In this online course, you are introduced to legislation and procedures on clinical research in the Netherlands. It will help you prepare and submit your research file efficiently. The first three themes ‘The Dutch Review System’ , ‘The…
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The Role of Modern International Commissions of Inquiry
Alessandro Tonutti heeft op 5 september 2017 zijn proefschrift:
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Eendracht maakt macht? Lidstaten op het wereldtoneel
Organisaties als de EU leveren lidstaten soms enorm veel op, zonder dat inwoners van de lidstaten dat weten. Leidse wetenschappers onderzoeken hoe effectief samenwerkingsverbanden van lidstaten, zoals de EU of ASEAN, zijn bij het uitoefenen van invloed op de wereldpolitiek.
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Being the first: het universiteitsbrede netwerk voor eerstegeneratiestudenten
Themabijeenkomst Leiden Empowerment Fund
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The Infrared Spectrum of Massive Protostars
We have conducted a full spectral line survey of the 3-13 micron region of two massive protostars, AFGL 2591 and AFGL 2136, for the first time at high spectral resolution.
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Global Fields and Their L-functions
Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.
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Matching, entropy, holes and expansions
In this dissertation, matching, entropy, holes and expansions come together. The first chapter is an introduction to ergodic theory and dynamical systems.
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Structural Properties of Single Server Queueing Systems: Efficient Methods via Lumping and Dynamic Programming
This thesis consists of two main parts. The first part (Chapters 2 and 3) deals with a class of Markov process called Quasi-Skipfree (QSF) processes.
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Resolving the building blocks of galaxies in space and time
We investigate the buildup of galaxies from various vantage points. The first two chapters focus on the stellar content of galaxies, especially the distribution of stellar masses at birth and potential variations therein in various galactic environments.
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Species Literacy: The perception and cultural portrayal of animals
In his dissertation Michiel Hooykaas outlines the results of six empirical research projects focused at biodiversity awareness in the Netherlands, specifically people’s knowledge about animals.
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Adsorption and catalysis on Pt and Pd monolayer-modified Pt single crystal electrodes
The focus throughout this thesis will be on gathering fundamental studies of the detailed structure and composition of the electrode/electrolyte interface effect on the rate and mechanism of key electrocatalytic reactions.
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Early death of massive galaxies in the distant universe
Promotor: M. Franx, Co-Promotor: I.F. Labbé
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Towards photo-CIDNP MAS NMR as a generally applicable enhancement method
Promotores: Prof.dr. H.J.M. de Groot, Prof.dr. J. Matysik (Universitaet Leipzig)
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Profinite groups with a rational probabilistic zeta function
Promotores: H.W. Lenstra, A. Lucchini
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CO2-Calculator
Development of GHG calculator for bio-electricity and heat.
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Strategy Dynamics
In the thesis the dynamics of strategies is studied from two perspectives.In the first part of the thesis strategies are considered to be opinions present in a community.
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Isotopes and the characterization of extrasolar planets
Diverse types of exoplanets such as gas giants on close-in orbits (hot Jupiters) and young massive giants on wide orbits (super Jupiters), with no analogs in the Solar System, pose challenges but also opportunities to our understanding of planet formation and evolution.
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‘Mensenrechten’ voor bedrijven die oneerlijke prijsafspraken maken?
Het mededingingsrecht zorgt ervoor dat bedrijven op een eerlijke wijze concurreren. De Nederlandse Autoriteit Consument & Markt (ACM) handhaaft het mededingingsrecht in Nederland en kan bedrijven die oneerlijk concurreren bestraffende en herstellende maatregelen opleggen. Deze bedrijven hebben, wanneer…
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Maak kennis met de opleiding Koreastudies
Wil je Oost-Azië echt begrijpen, dan kun je niet om Korea heen. Bij Koreastudies in Leiden leer je niet alleen de Koreaanse geschiedenis, cultuur en taal, maar ook de hedendaagse Zuid-Koreaanse film- en popcultuur, maatschappelijke en politieke ontwikkelingen, en de inter-Koreaanse relaties komen ruim…
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Maak kennis met de opleiding Koreastudies
Wil je Oost-Azië echt begrijpen, dan kun je niet om Korea heen. Bij Koreastudies in Leiden leer je niet alleen de Koreaanse geschiedenis, cultuur en taal, maar ook de hedendaagse Zuid-Koreaanse film- en popcultuur, maatschappelijke en politieke ontwikkelingen, en de inter-Koreaanse relaties komen ruim…
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Gravitational waves through the cosmic web
The first direct detection of gravitational waves opened the possibility of mapping the Universe via this new and independent messenger.
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Anyonic, cosmic, and chaotic: three faces of Majorana fermions
In my thesis I study Majorana fermions from three different perspectives. The first one corresponds to non-interacting Majorana fermions that, however, pose non-trivial topological properties. The second one corresponds to strongly interacting Majoranas and the third to relic neutrinos. No one knows…
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Discovery and characterization of new glucosylated metabolites: pathophysiological consequences
Within this thesis the central stage is taken by the discovery and investigation of transglycosylation of sterols. First, investigation focuses on the development of a method to accurately detect and quantify glucosylated metabolites in biological materials.
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Diophantine equations in positive characteristic
In this thesis three different topics in number theory are studied.