670 zoekresultaten voor “raw materials” in de Publieke website
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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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Quantitative uncertainty in LCI
Overall dispersion in LCA as result of inherent uncertainties, spread and unrepresentativeness.
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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…
- Exploring the Medieval Archive (5 ECTS)
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Tailoring x-ray tomography techniques for cultural heritage research
Visualizing the internal structure is a crucial step in acquiring knowledge about the origin, state, and composition of cultural heritage artifacts. Among the most powerful techniques for exposing the interior of cultural heritage objects is computed tomography (CT), a technique that computationally…
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Matter into context: population- and community-level impacts of nanomaterials in freshwater ecosystems
The application of nanomaterials in industrial processes and consumer products provides many societal benefits, but can also lead to the release of nanomaterials into the environment. The work in this dissertation aims to provide insights into the potential environmental impacts that may follow from…
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Triblock polypept(o)ides for siRNA delivery: unique polymeric designs for versatile carrier systems
Utilizing the polymeric platform of polypept(o)ides, this thesis describes synthesis and investigation of novel triblock copolymers to obtain carrier systems with multiple compartments for efficient siRNA delivery. Although the individual microstructure of nanoparticles differs depending on the polymeric…
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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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Vervolgopleidingen
Na het afronden van de bacheloropleiding volgen verreweg de meeste studenten de masteropleiding. De Universiteit Leiden stimuleert studenten om na hun bacheloropleiding door te gaan met de masteropleiding.
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Tangent fermions: massless fermions on a lattice
In some condensed matter systems, such as the surface of a 3D topological insulator, the electrons are effectively massless and we must necessarily use the massless Dirac equation to describe them.
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Zeefdrukken (om de week)
Kunst en vrije tijd, Kunst en vrije tijd
- Workshop: ‘Worker’s Health and Material Environment in Port Cities (1300-1700)’ (Leiden University and University Ca’ Foscari Venezia)
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Het milieu redden door gratis plastic tasjes te verbieden?
Wat is het effect op het milieu van het 2016-verbod op gratis plastic tasjes? Industrieel ecoloog Stefano Cucurachi heeft een subsidie ontvangen van €75.000 van het LUF-SVM Projectsubsidie Fonds* om deze vraag te beantwoorden.
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Ester van der Voet
Wiskunde en Natuurwetenschappen
e.van.der.voet@cml.leidenuniv.nl | +31 71 527 2727
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Tatiana Afanassjewa-publiekslezingen over natuurkunde
De Tatiana Afanassjewa-lezingenreeks is een reeks publiekslezingen op woensdagavonden waarvoor iedereen met natuurkundige belangstelling van harte is uitgenodigd.
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Fisheries in the Waza Logone Floodplain. An Analysis of the Status of the Fisheries Sector and Mitigation of Conflicts within the Sector in North
Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh
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The evolution of shell form in tropical terrestrial microsnails
Promotor: Prof.dr. M. Schilthuizen
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Mechanisms and consequences of horizontal gene transfer in cell wall-deficient cells of Kitasatospora viridifaciens
The bacterial cell wall is a nearly universal structure that offers protection and gives the cell its shape. However, environmental stressors, such as cell wall-targeting antibiotics and hyperosmotic conditions, can induce bacteria to shift to a wall-deficient state. It is unknown whether the lack of…
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Flows of six heavy metals
Can we provide the Dutch government with an integrative framework, wherein the various policies can be placed and the need for further measures can be identified?
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Targeted Informed consent: empowering young participants in medical-scientific research
Promotor: J.M. van den Broek Co-promotor: M.C. de Vries
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Growth and Transport properties of (Rare Earth)TiO3 / SrTiO3 interfaces
This thesis presents the results of a study on the interfaces of insulating oxides with and without the insertion of a magnetic layer.
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Microscopy and Spectroscopy on Model Catalysts in Gas Environments
In surface science there is great effort to move from studying simple, flat model surfaces in vacuum to investigating more complex model catalysts in gas environments (in situ). This thesis gives three examples of such studies using microscopy and spectroscopy.
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Lespakket Antibiotica Gezocht!
Zelf met leerlingen aan de slag in een zoektocht naar antibiotica? Met het practicum Antibiotica Gezocht! gaan bovenbouw havo- en vwo-leerlingen tijdens de biologieles op zoek naar (nieuwe) antibioticum-producerende bacteriën.
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Medewerkers
MCS bestaat uit vijf medewerkers, die allen sterke banden hebben met de ‘museums and collections’ opleiding bij de faculteit geesteswetenschappen en ‘heritage and museums’ bij de faculteit archeologie.
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CD8+ T-cells in atherosclerosis: mechanistic studies revealing a protective role in the plaque microenvironment
Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.
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The formation of complex organic molecules in dense clouds-Sweet results from laboratory
Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.
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Heme biosynthesis and regulation in the filamentous fungus Aspergillus niger
Promotors: Prof.dr. P.J. Punt, Prof.dr. C.A.M.J.J. van den Hondel
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Kim Beerden
Kim Beerden wil de cursussen die aio’s krijgen voor ze college gaan geven, verrijken door middel van ‘blended learning’.
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Proefdierfaciliteiten
We hebben dierfaciliteiten voor verschillende proefdieren, die uiteraard allemaal aan de wettelijke eisen voldoen. We verzorgen de dieren zo goed mogelijk en onze verblijven voorzien de verschillende diersoorten zo goed mogelijk in hun specifieke behoeften.
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Multiscale mathematical biology of cell-extracellular matrix interactions during morphogenesis
During embryonic growth, cells proliferate, differentiate, and collectively migrate to form different tissues at the right position and time in the body.
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Mining the kinematics of discs to hunt for planets in formation
Detecting planets during their formation stages is crucial for understanding the history and diversity of fully developed planetary systems like our own. However, observing young planets directly is challenging because they are often deeply embedded within their host protoplanetary discs, rich in gas…
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Environmental and health impact of informal e-waste recycling
The majority (80%) of e-waste generated globally are recycled informally in developing countries.
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Instituten
Al het onderzoek van de Universiteit Leiden is georganiseerd in instituten. Om recht te doen aan de veelkleurigheid van het onderzoek (en dus ook aan het onderwijs) dat daar uit voortvloeit vindt u op deze pagina’s omschrijvingen van alle Leidse instituten.
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Strategies for Mechanical Metamaterial Design
On a structural level, the properties featured by a majority of mechanical metamaterials can be ascribed to the finite number of soft internal degrees-of freedom allowing for low-energy deformations.
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Onderwijsonderzoek
Het ICLON doet wetenschappelijk onderzoek op het gebied van voortgezet en hoger onderwijs.
- About this minor
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WIC-opvarenden (Seafarers of the Dutch West India Company)
Due to the almost complete disappearance of the archive of the Old Dutch West India Company (WIC, 1621-1674) not much is known about the ships and crews of this company. In this project we start the reconstruction of this basic information making use of new digital humanities techniques to extract this…
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Forgotten Lineages. Afterlives of Dutch Slavery in the Indian Ocean World
Forgotten Lineages explores the paths through which generations of formally enslaved and their descendants gradually forgot their past of enslavement under Dutch and British imperial rule and became local subjects in Sri Lanka and South Africa. It explores why and how forgetting rather than memory became…
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Tatiana Afanassjewa-publiekslezingen over natuurkunde
De Tatiana Afanassjewa-lezingenreeks is een reeks publiekslezingen op woensdagavonden waarvoor iedereen met natuurkundige belangstelling van harte is uitgenodigd.
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Botanisch gutsen
Kunst en vrije tijd, Kunst en vrije tijd
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Smart Industrial Parks in China: towards Joint Design and Institutionalization
How to contribute to a quantum leap of eco-industrial symbiosis in China?
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Herta Mohr (gerealiseerd)
In oktober 2024 werd het gebouw Herta Mohr (voorheen: Cluster Zuid) feestelijk geopend. Het is het derde project in de ontwikkeling van de Humanities Campus. Met de vernieuwing van de gebouwen zorgt de universiteit voor een duurzame Humanities Campus met moderne faciliteiten en een aantrekkelijke onderwijsomgeving…
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Wetenschappelijk onderzoek met de camera van je telefoon
Onderzoekers gebruiken smartphones en andere consumentencamera’s steeds vaker voor wetenschappelijke toepassingen, zoals citizen science. Toch is het nog steeds moeilijk om gegevens van verschillende apparaten te vergelijken en combineren. Promovendus Olivier Burggraaff ontwikkelde een nieuwe, gebruiksvriendelijke…
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Economic value of non-timber forest products among Paser Indigenous People of East Kalimantan
Promotor: G.A. Persoon, Co-promotor: H.H. de Iongh
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Scriptieprijs
Levende Talen en het Expertisecentrum mvt hebben in 2009 de Gerard Westhoff-Taaldidactiekprijs ingesteld voor de beste scriptie op het gebied van vreemdetalendidactiek (in brede zin, inclusief de didactiek van literatuur en cultuur), geschreven door studenten aan Nederlandse lerarenopleidingen. Voor…
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Broadening Youth Participation in STEM Learning
How can we broaden youth participation in STEM Learning
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Competition on bird feeeders between introduced Ring-necked parakeets and native bird species in the Netherlands
Does the presence of Ring-necked parakeets negatively influence feeding and feeding behaviour of native bird species on artificial bird feeders and if so, what are possible solutions?
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Leids Instituut voor Onderzoek in de Natuurkunde
Onderzoek aan het Leids Instituut voor Onderzoek in de Natuurkunde (LION) is fundamenteel en nieuwsgierigheids-gedreven. Al onze wetenschappers delen de wens om de kennis van de wereld om ons heen te vermeerderen, in een open, nieuwsgierige sfeer, waarin innovatieve ideeën ontstaan die toepassingen…
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Waves and Patterns in Discrete Media: Bridging the Gaps
What happens to electrical waves that have to cross gaps in insulation material around nerves in the human body
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Co-benefits & Co-damages of environmental policies related to climate change and long-range transboundary air pollution
Using the principles of Industrial Ecology in Environmental Policy making in two cases: transition to a hydrogen economy and chlorinated compounds.