490 zoekresultaten voor “metal sustainability” in de Publieke website
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CERA - Certification of Raw Materials
CERA (CErtification of RAw Materials) is a four-year project that will develop a standardized certification scheme ensuring environmental, social and economic sustainability in extraction, processing, trading and manufacturing of all mineral raw materials. It will guarantee traceability of certified…
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Observing what cannot be observed: computational electrochemistry from carbon to hydrogen
In this thesis, we consider various (electro)chemical phenomena at surfaces and nanoparticles and their underlying atomistic processes, which we studied using first-principles methods such as density functional theory.
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Grote belangstelling voor LDE Bachelor Honours Programme Sustainability
Vandaag gaat het LDE Bachelor Honours Programme Sustainability van start. Daarin gaan studenten van de Universiteit Leiden, TU Delft en Erasmus Universiteit samen aan de slag met concrete duurzaamheidsvraagstukken van organisaties. De interesse voor het nieuwe programma bleek overweldigend. Twee docenten…
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Studenten worden ‘agenten van verandering’ in Sustainability Challenge
Leidse studenten die in opdracht van een externe partij sleutelen aan een duurzaamheidsvraagstuk: dat is de Sustainability Challenge. Tijdens een symposium onthulden 28 groepjes van 4 of 5 studenten hun oplossingen. Opdrachtgevers staken hun enthousiasme niet onder stoelen of banken.
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Constraints on large-scale implementation of BioSolarCells, Early stage assessment of environmental value propositions
What performance criteria does a new technology have to fulfill in order to be added to the list of future energy options and what constraints exist in terms of broad market penetration?
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enthousiasme bij openingssessie LDE Bachelor Honours Programme Sustainability
Dinsdag was de openingssessie van het LDE Bachelor Honours Programme Sustainability. Docenten stelden zich voor, studenten leerden elkaar kennen en er werd duidelijk hoe zij zich de komende maanden gaan inzetten om bij te dragen aan een duurzamere wereld. “Ik heb meteen zin om aan de slag te gaan’’,…
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Eerste lichting studenten Governance of Sustainability ontvangt masterdiploma
De eerste lichting masterstudenten Governance of Sustainability is geslaagd. Tijdens een feestelijke ceremonie in Wijnhaven op 17 september, ontvingen zij hun diploma. En ze zullen niet de laatsten zijn: De masteropleiding neemt alleen maar in populariteit toe. ‘We zijn erg trots op deze eerste lichting…
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Ruthenium-peptide conjugates for targeted phototherapy
As leading cause of death worldwide, cancer is responsible for nearly 10 million deaths in 2020 according to World Health Organization (WHO). Cisplatin and its derivatives are commonly used chemotherapy agents for current cancer treatment in the clinics.
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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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Cathodic corrosion
Cathodic corrosion is a relatively unknown phenomenon that can severely etch metallic electrodes at cathodic (negative) potentials.
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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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PROGENY
How do you make a technology sustainable that does not even exist yet? Well, by bringing together an interdisciplinary team of pioneering European experts right at the start and paying attention to sustainability right from the development phase.
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The rebound effect through industrial ecology’s eyes : the case of transport eco-innovation
Promotor: Prof. dr. Arnold Tukker & Prof. dr. René Kemp (Maastricht University)
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Martina Vijver
Wiskunde en Natuurwetenschappen
vijver@cml.leidenuniv.nl | +31 71 527 1487
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Robert Istrate
Wiskunde en Natuurwetenschappen
i.r.istrate@cml.leidenuniv.nl | +31 71 527 2727
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Alexander van Oudenhoven: ‘Governance of Sustainability had ik zelf wel willen studeren’
Alexander van Oudenhoven is de kersverse onderwijsdirecteur (OD) van de master Governance of Sustainability. De studie gaat alweer haar vierde jaar in en Van Oudenhoven is razend enthousiast. Wat maakt dit zo’n bijzondere opleiding en wat zijn zijn plannen?
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Management of Small-Scale Fisheries at the Elephant Marsh in Malawi
Wetlands provide many ecosystem goods and services which include fish production. The sustainability of small-scale fisheries (SSF) has received considerable attention in recent years because fish is one of the major sources of animal protein to a considerable fraction of the global population which…
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HABA HABA: Sustainability, Corporate Responsibility and Entrepreneurial Enthusiasm
At the faculty of Governance and Global Affairs we are proud to celebrate social entrepreneurship, which is why we decided to introduce you to an amazing project by two of our students: Kimberly Schoenmaker and Caroline Flohr. Ambitious, driven and incredibly conscious of the corporate responsibility…
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Oudenhoven benoemd tot opleidingsdirecteur van de master Governance of Sustainability
Alexander van Oudenhoven is benoemd tot nieuwe opleidingsdirecteur van de master Governance of Sustainability. Van Oudenhoven is benoemd voor een periode van vier jaar van 1 oktober 2022 tot 1 oktober 2026. Het onderwijs vindt plaats in Den Haag.
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New minor Sustainability, Climate Change and Food ‘A full spectrum analysis of global society’
In September 2023 the new minor Sustainability, Climate Change and Food starts. This minor critically examines the complexities of food sustainability through ecological, socio-economic, political, and cultural systems.
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Biotic ligand models
Description of Biotic ligand models: making an inventory of available models & assessment of the variability of the predicted HC5 using the BLMs in different Dutch water types (2005 - 2007)
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Surface plasmon lasers
Surface plasmons (SPs) are surface waves at the interface between a dielectric and a good metal, and are formed by the interaction between light and the free electrons at the metal-dielectric interface. They provide strong field confinement for optical fields, opening new possibilities for enhanced…
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BIOMOT: Motivational strength of ecosystem services and alternative ways to express the value of biodiversity
Do sustainability values play a role in motivating people to act for biodiversity in successful projects and in successful leadership action? And how could these values be incorporated in current economic valuation methods?
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Footprint family: Concepts, classification, integration, and benchmarking against planetary boundaries
How to bring together different footprints into an integrated family and what are the synergies? What are the roles of inventory analysis and characterization in measuring individual footprints and how these affect a footprint family? How to benchmark environmental footprints against related planetary…
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Environmental footprints: assessing anthropogenic effects on the planet's environment
Promotor: Prof.dr. G.R. de Snoo, Co-promotor: R. Heijungs
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The Interactions of Human Mobility and Farming Systems and Impacts on Biodiversity and Soil Quality in the Western Highlands of Cameroon
Promotors: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon, Prof.dr.ir. H.H. de Iongh
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Electrochemical and surface studies of the effect of naphthalene-based additives on tin electrodeposition
Tin electrodeposition applications have rapidly evolved in the past 25 years.
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Metals, energy and geopolitics, a complex mix
Lezing, Tuesday Talks: Science Insights
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Spin transport and superconductivity in half-metallic nanowires and junctions
The interest of this thesis lies in spin transport in normal metals and superconducting half-metallic junctions.
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CircuMat | Circular city & Industry park MATerials metabolism learning package and assessment tool
Some examples of research questions include: What framework of circular strategies should local practitioners use? How should practitioners organize their monitoring of the circular economy activities in the region of interest? What are the main products that have the most circular potential in the…
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Reactivity of cobalt(II)-dichalcogenide complexes: correlation between redox conversion and ligand-field strength
The redox-conversion reaction of metal-disulfide and metal-thiolate complexes are important, as they may shed light on electron-transfer reactions that often occur in Nature.
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Molecular and Nano-Engineering with Iron, Ruthenium and Carbon: Hybrid structures for Sensing
Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.
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Galaxy formation traced by heavy element pollution
Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.
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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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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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Translational Symmetry Breaking in Holographic Strange Metals
Promotie
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PUMA (Prospecting the Urban Mines of Amsterdam)
PUMA aims at composing a geological map of the urban mine of Amsterdam for a selection of metals. Where are main deposits of copper, iron and aluminium located, when will they become available for secondary production, in what state and shape are they?
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Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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Semi-empirical approach to the simulation of molecule-surface reaction dynamics
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
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Development of life cycle assessment for residue-based bioenergy
Promotores: Prof.dr.G.R. de Snoo and Dr. R. Heijungs
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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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Eefje Cuppen
Faculteit Governance and Global Affairs
e.h.w.j.cuppen@fgga.leidenuniv.nl | +31 70 800 9088
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René Kleijn op radio en tv over koolstofarme energie
Hoe gaan we in de toekomst energie opwekken zonder nog meer bij te dragen aan de opwarming van de aarde? Industrieel ecoloog René Kleijn spreekt over koolstofarme energie op radio en tv voor het programma Focus, en vertelt erover in de VPRO-gids.
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SiTaSol
What are the life-cycle environmental impacts and risks to human health and ecosystems of a III-V/Si PV system? How can these be expected to change when the system is deployed at industrial scale? What are the most favourable recycling scenarios?
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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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Highly Accurate Simulations and Benchmarking of Molecule-Surface Reactions
Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.
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Understanding the uptake and internal distribution of metallic nanoparticles in Danio rerio larvae
The aim is to discover where differently shaped metal nanoparticles distributes in Danio rerio, linking the distribution with genomic responses and so come up with a Mode of Action.
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Insights from scanning tunneling microscopy experiments into correlated electron systems
This thesis presents insights from our study of various correlated electron systems with a scanning tunneling microscope (STM). In ordinary metals, electron-electron interactions exist, but get substantially screened due to the sheer number of electrons.
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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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Magnetism and magnetization dynamics in thin film ferromagnets
Promotores: Prof.dr. J. Aarts, Prof.dr. J.M. van Ruitenbeek