683 zoekresultaten voor “some problems” in de Publieke website
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China’s industrial carbon emissions: Historical drivers at the regional and sectoral levels and projections in light of policy targets
Has the industrial sector in China effectively been decarbonizing in recent years, across different regions and subsectors, and is it plausible that it will reduce its CO2 emissions in conformity with national and internationally pledged emission goals?
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On Products of Linear Error Correcting Codes
In this thesis we study products of linear error correcting codes.
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Applications of AdS/CFT to strongly correlated matter: from numerics to experiments
What physics controls the properties of quantum matter, such as how electrons flow inside high-temperature superconductors? This question has captivated the physics community and industry for decades, in part due to the great technological potential such materials have, but also because they have resisted…
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Design, synthesis and application of paramagnetic probes for protein structure studies
The main subject of this thesis is the design and synthesis of paramagnetic molecules for protein studies with NMR and EPR spectroscopy.
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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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Semigroups on Spaces of Measures
Promotor: S.M. Verduyn Lunel, Co-promotor: S.C. Hille
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The colours of the extreme universe
This thesis presents pioneering work on the panchromatic emission of some of the most luminous galaxies in the early Universe: star forming galaxies and active galactic nuclei.
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Towards a greater understanding of the presence, fate and ecological effects of microplastics in the freshwater environment
This thesis combines field and laboratory studies to address some of the most pressing questions in the field of microplastic research.
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Carcinogenicity of insulin analogues
Promotor: Prof.dr. B. van de Water
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System-level design for efficient execution of CNNs at the edge
A convolutional neural network (CNN) is a biologically inspired algorithm, highly capable at processing images and videos.
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Exploration on and of Networks
This dissertation consists of two parts, with the common theme
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Better Predictions when Models are Wrong or Underspecified
Promotor: P.D. Grünwald
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Statistical modelling of time-varying covariates for survival data
This dissertation focuses on developing new mathematical and statistical methods to properly represent time-varying covariates and model them within the context of time-to-event analysis.
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Random walks and the contact process
Promotores: W. Th. F. den Hollander, M.O. Heydenreich
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Machine learning for radio galaxy morphology analysis
We explored how to morphologically classify well-resolved jetted radio-loud active galactic nuclei (RLAGN) in the LOw Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) using machine learning.
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Aspects of Record Linkage
Promotores: Prof.dr. J.N. Kok, Prof.dr. C.A. Mandemakers, Co-Promotor: G. Bloothooft
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Machine learning and computer vision for urban drainage inspections
Sewer pipes are an essential infrastructure in modern society and their proper operation is important for public health. To keep sewer pipes operational as much as possible, periodical inspections for defects are performed.
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New Polymyxin Antibiotics for Old Problems
Promotie
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Deep Hanging Out in the Age of the Digital; Contemporary Ways of Doing Online and Offline Ethnography
A brief review essay on some of the work that has been recently published in the emergent field of digital ethnography.
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Population Health Management Summer School
Discover the Summer School Program Population Health Management by LUMC and learn about strategies to deal with current issues and developments in healthcare.
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Shaping the pharmacokinetic landscape for renally cleared antibiotics in obesity
The prevalence of obesity (BMI >40 kg/m2) has increased rapidly over the recent years, not only in adults, but also in children and adolescents.
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Spin-momentum locking in oxide interfaces and in Weyl semimetals
Electrons in a crystal lattice have properties that may differ from those of a free electron in vacuum.
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Steady-State Analysis of Large Scale Systems
Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma
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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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Inhibitor Selectivity: Profiling and Prediction
Less than 1 in 10 drug candidates that enter phase 1 clinical trials actually gets approved for human use.
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Risks to Health and the Environment Related to the Use of Lead in Products
The aim of this project was to estimate emissions from lead products-in-use for the past, the present and the future and assess the development of toxicological risks associated with these products.
- Hutspot
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Discrete tomography with two directions
Promotores: R. Tijdeman, K.J. Batenburg
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Rotator Cuff Calcific Tendinitis: Another entity of rotator cuff problems
Promotie
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Role of near-surface environment in tuning electrochemical CO2 reduction reaction and H2 evolution reaction
This thesis has shed light on some of the ways in which the local electrolyte composition can differ from the bulk and how these changes in the local reaction environment can determine the activity and/or selectivity of two important electrocatalytic reactions, namely, electrochemical CO2 reduction…
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Evaluation of Different Design Space Description Methods for Analysing Combustion Engine Operation Limits
Promotor: Prof.dr. T.H.W. Bäck
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Designing Ships using Constrained Multi-Objective Efficient Global Optimization
A modern ship design process is subject to a wide variety of constraints such as safety constraints, regulations, and physical constraints.
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Microengineered Human Blood Vessels For Next Generation Drug Discovery
Heart failure is a major health care problem with high mortality.
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Probing new physics in the laboratory and in space
The Standard Model (SM) of particle physics fails to explain several observed phenomena and is incomplete. In order to resolve this problem, one may extend the SM by adding new particles.
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The holographic glass bead game: from superconductivity to time machines
Promotores: Prof.dr. J. Zaanen, Prof.dr. K.E. Schalm
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Does it still hurt?
The last decades it is increasingly recognized that acute as well as chronic postoperative pain is an important problem. Treatment and prevention of postoperative pain is a challenge, especially in special patient populations where there is only limited guidance on how to optimally use opioids.
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Mechanical metamaterials: nonlinear beams and excess zero modes
Mechanical metamaterials are man-made materials which derive their unusual properties from their structure rather than their composition.
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Expansions of quantum group invariants
In my research, we developed a method to distinguish knots. A knot is a mathematical depiction of the everyday knot that occurs in ropes and cords.
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Dynamic real-time substrate feed optimization of anaerobic co-digestion plants
Promotores: Prof.dr. T.H.W. Bäck, Prof.dr. M. Bongards (Cologne University)
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Improved hard real-time scheduling and transformations for embedded Streaming Applications
This thesis addresses the problem of designing performance and energy efficient embedded streaming systems, that is, systems which process a stream of input data coming from the environment and generate a stream of output data going into the environment.
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Biomimetic models of [NiFe] hydrogenase for electrocatalytic hydrogen evolution
The growing demand of energy indicates that global energy resources in the form of fossil fuels will not be sufficient in the future. In order to solve potential future energy problems development of a sustainable hydrogen economy is highly desirable.
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Contact
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Policy Review on Decoupling
Development of indicators to assess decoupling of economic development and environmental pressure in the EU-25 and AC-3 countries.
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PhD Position(s): Assessing the molecular structure of electrochemical interfaces
Wiskunde en Natuurwetenschappen
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Topics in mathematical and applied statistics
Promotor: A.W. van der Vaart
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Living Education Lab
This minor combines the domains of design thinking and technology-enhanced learning and teaching with interdisciplinary group work.
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Symmetric Diophantine approximation over function fields
Promotor: Prof.dr. P. Stevenhagen, Co-Promotor: J.H. Evertse
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Quantification of ecosystem services within river catchments
How can ecosystem services within river catchments be quantified in spatial and temporal explicit way?
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Master Track Public Administration: Economics and Governance
The Economics and Governance specialisation of the Master in Public Administration teaches you to formulate problem-solving approaches to concrete policy issues found at the intersection between economics and public administration. This specialisation is a unique joint offering of the Department of…
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Efficiënter problemen oplossen
De pas gepromoveerde Hao Wang van het Leiden Institute of Advanced Computer Science leert computers hoe je problemen in het dagelijks leven kunt oplossen. Zijn doel is om het proces van probleemoplossing efficiënter te maken. Op 1 november promoveerde hij met het predicaat cum laude. ‘Ik hoop moeilijke…