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Overzicht van de belangrijkste papyrologische websites

Versterk je MSc The Politics of Artificial Intelligence met de Honours Academy van Universiteit Leiden: kies tussen het éénjarige Leiden Leadership Programme (15 EC) of interdisciplinaire Master Honours Challenges (3–5 EC) om je vaardigheden en impact te vergroten.

The development of new environmentally sound technologies is seen as a key route towards achieving sustainability.

Overall dispersion in LCA as result of inherent uncertainties, spread and unrepresentativeness.

The name ‘Jambi flora’ refers to fossil plants found as part of a rock formation from the Early Permian (296 million years old), located in the Jambi Province of Sumatra, Indonesia.

Early time-resolved experiments by Frauenfelder on the ensemble of the kinetic rebinding of CO to myoglobin molecules resulted in a stretched exponential relaxa-tion due to a very large spread of the reaction rates of individual molecules.

Promotores: Prof.dr.G.R. de Snoo and Dr. R. Heijungs

Particles are omnipresent in biopharmaceutical products. In protein-based therapeutics such particles are generally associated with impurities, either derived from the drug product itself (e.g. protein aggregates), or from extrinsic contaminations (e.g. cellulose fibers).

Microbiome composition of the spermosphere and the rhizosphere of wild and modern bean accessions grown in an agricultural and a native soil from Colombia was characterized by metagenomics and cultivation-dependent approaches.

Explaining treatment response variability between and within patients can support treatment and dosing optimization, to improve treatment of individual patients.

Promotor: H.J.A. Röttgering, Co-promotor: G.K. Miley

Leiden University offers a unique range of summer courses where you can broaden or deepen your knowledge or share your expertise with fellow students. The choice of academic courses is very diverse, ranging from Law, Big Data, Languages and Linguistics to Maths and Natural Sciences, Biology, Biomedical…

This thesis contains results on the arithmetic and geometry of del Pezzo surfaces of degree 1.In Chapter 1 we give the necessary background, assuming the reader is familiar with algebraic geometry.

Corruption, integrity (or a lack thereof…) and public values are near omnipresent elements in public administration and politics of all times. Cases of corrupt public officials and politicians continuously emerge. Strangely enough, however, it often remains unknown what actually occurred, how something…

Promotor: S.M. Verduyn Lunel, Co-Promotores: S.C.Hille, O.W. van Gaans

Promotor: H.J.M. de Groot

Kunst en vrije tijd, Kunst en vrije tijd

Hot rocky exoplanets are planets that orbit so close to their host star that they possess a molten surface.

All crested and marbled newts (the genus Triturus) suffer from an unusual genetic abnormality, called a balanced lethal system, that kills exactly half of their offspring. How can a trait so disadvantageous have survived millions of years of natural selection?

For centuries astronomers studied the Universe by collecting light. Nowadays, we are living in times of great technological advancements, which allow us to explore our Universe in a new way - though gravitational wave radiation.

Promotor: E. Gittenberger, Co-promotor: B.W. Hoeksema

Producing green energy has become the main goal in our society in the search of reducing or eliminating the carbon emission from fossil fuels.

Promotor: E. Bouwman, Co-Promotor: S. Bonnet

Promotor: Prof.dr. P.G.L Klinkhamer, Co-promotor: K. Vrieling

The radio sky harbours both galactic and extragalactic sources of arcminute- to degree-scale emission of various physical origins. To discover extragalactic diffuse emission in the Cosmic Web beyond galaxy clusters, one must image low–surface brightness structures amidst a sea of brighter compact fore-…

Self-assembly is an abundant process in nature and is vital to many processes in living organisms.

Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.

When observing star-forming galaxies, we are not only seeing stellar light, but we also see how this interacts with galactic gas and dust. This thesis contains studies of the stellar, nebular and dust properties of low mass star-forming galaxies.

Real-life processes are characterized by dynamics involving time. Examples are walking, sleeping, disease progress in medical treatment, and events in a workflow.

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

Promotor: Prof. dr. Arnold Tukker & Prof. dr. René Kemp (Maastricht University)

Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.

Understanding the formation and evolution of planetary systems is one of the most fundamental challenges in astronomy. To directly image and study young exoplanets and the circumstellar disks they form from, dedicated high-contrast imaging instruments are built.

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.

Promotor: Prof.dr. B.R. Katzy, Prof.dr. J. de Vries

This thesis explores the theoretical and observational properties of distant massive galaxies that harbour active black holes in their centres and shine brightly at radio wavelengths.

Promotor: Prof.dr. L.J. Slikkerveer

The field of exoplanet research is rapidly advancing through the development of new technology, observing techniques, and post-processing methods.

The high velocity tail of the total velocity distribution of stars provides essential insight into fundamental properties of the Galaxy.

Electron microscopy has become an extremely important techniquein a wide variety of elds.

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.

Lysosomal acid glucosylceramidase (GBA1) is a lysosomal enzyme that degrades glucolipids with its main substrate being glucosylceramide (GlcCer). Defects in the GBA1 gene lead to glycosphingolipidosis Gaucher disease (GD), in which the hydrolysis of GlcCer is impaired and therefore, it accumulates in…

Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele

The main research question of this thesis was: Can nitrogen cycling on dairy farms on peat soil in the Dutch Green Heart area be improved by adapting management to the nitrogen supply from soil and by using other grassland species and crops without affecting milk production?

In this thesis we will explore the use of fuzzy systems theory for applications in bioinformatics.

Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?

Promotor: H.J. van den Herik, B.R. Katzy, Co-promotor: K. Sailer

Farmacie is een uitdagende studie die als intensief wordt ervaren. Heb jij naast je studie echter nog tijd om je verder te ontwikkelen? Dan is het Honoursonderwijs van de Universiteit Leiden wellicht iets voor jou.