139 research outputs found
Countertrends in Financial Provisions for the Protection of Corporate Creditors: The Model Business Corporation Act and the E.E.C. Corporate Directives
YIM-P22. Extracellular vesicle induced macrophage differentiation; developing a disease in a dish model
ECCC TEST PROGRAMME AND DATA ASSESSMENT ON GTD111 CREEP RUPTURE, STRAIN AND DUCTILITY
GTD111, a creep resistant Ni-based superalloy developed by GE, is widely used in land-based
gas turbine first stage blades. However, there is little published information on its creep
properties and microstructure. The European Creep Collaborative Committee (ECCC) Working
Group 3C consequently selected GTD111 as a model material for testing and complementary
data assessment. The aim of this paper is to present the results from the ECCC test program and
data assessment, and to compare equiaxed (EA) and directionally solidified (DS) material
performance. Testing and metallographic laboratories from six European nations collaborated to
produce strain monitored creep rupture data on four EA and DS materials out to beyond 10,000
hours within a wide range of temperatures, 850-950°C, and stresses, 293-99 MPa. Available
(generally short term) results from other sources were also included in the compiled, small but
viable, 51-test data set. Assessment was carried out by three different assessors using different
tools and adopting different prediction models. Conventional ECCC post-assessment techniques
and novel “back-fitting” methods were used to identify a preferred model. It was shown that
assessing all the EA and DS data together can lead to non-conservative predictions for EA
materials, but separating the two classes creates small data subsets which cannot be modelled
effectively. As a pragmatic compromise, the DS data and those EA data which also showed good
ductility were included in a final "ductile GTD111" assessment. The resulting creep rupture
material models and rupture strength predictions are presented up to 3 times the longest test
duration. It was then shown that the performance of lower ductility EA materials can also be
predicted effectively with the "ductile" model by truncating the rupture time at the measured
fracture strain. For this exercise, a creep strain model based on rupture and time to strain data was
fitted. In parallel, microstructural examination was performed to characterize the damage modes
involved in the low ductility failures. It was thereby shown that the creep rupture strength
shortfall of an EA material compared to its DS equivalent is not a constant factor, but is primarily
governed by the reduced creep ductility. Hence, the shortfall varies between different EA casts,
and tends to become greater in the longer term.JRC.F.4-Innovative Technologies for Nuclear Reactor Safet
Challenges for biodiversity research in Europe.Â
In 2010, the international year of biodiversity, new policies for preserving biodiversity in Europe and worldwide will be developed as targets set by older policies, such as to halt biodiversity loss in the EU by 2010, were not met. This paper aims at sharing the expertise LERU's members harbour to set the right priorities for new biodiversity policies
SHREC 2011: robust feature detection and description benchmark
Feature-based approaches have recently become very popular in computer vision
and image analysis applications, and are becoming a promising direction in
shape retrieval. SHREC'11 robust feature detection and description benchmark
simulates the feature detection and description stages of feature-based shape
retrieval algorithms. The benchmark tests the performance of shape feature
detectors and descriptors under a wide variety of transformations. The
benchmark allows evaluating how algorithms cope with certain classes of
transformations and strength of the transformations that can be dealt with. The
present paper is a report of the SHREC'11 robust feature detection and
description benchmark results.Comment: This is a full version of the SHREC'11 report published in 3DO
Diurnal rhythms of serum and plasma cytokine profiles in healthy elderly individuals assessed using membrane based multiplexed immunoassay
La Tierra herida, ¿Qué mundo heredarán nuestros hijos? - Traduction partielle et commentée
Ce travail de fin d’études constitue la traduction partielle et commentée de La Tierra herida, ¿Qué mundo heredarán nuestros hijos?, œuvre écrite par Miguel Delibes et son fils, Miguel Delibes de Castro. Ce livre se présente sous forme de conversation entre ces deux derniers. Pendant le dialogue, le fils, scientifique de profession, répond aux questions de son père concernant le réchauffement climatique et vulgarise ses connaissances afin d’expliquer ce phénomène. Ensemble, ils abordent de nombreux thèmes tels que la population humaine, l’effet de serre, la pénurie d’eau douce, la biodiversité, etc. Ce présent mémoire s’articule en différentes parties. L’introduction présente brièvement les auteurs et l’œuvre. Ensuite, elle éclaircit le concept d’écologie et poursuit en présentant une chronologie de la conscience écologique au moyen des éléments les plus déterminants ayant contribué à son développement. La seconde partie de l’introduction fournit la mise à jour de certains thèmes évoqués dans la traduction. L’introduction se termine par quelques pistes et réflexions sur le futur. La partie suivante livre une cinquantaine de pages de traduction, depuis l’espagnol, de l’œuvre mentionnée ci-dessus. Vient ensuite la partie consacrée aux commentaires de traduction qui permettent d’identifier les difficultés rencontrées au cours du processus de traduction et d’exposer la démarche adoptée pour surmonter ces difficultés, et ce, à l’aide de fondements théoriques. Enfin, ce mémoire s’achève par une courte conclusion suivie d’une bibliographie complète reprenant tous les documents utilisés pour la rédaction de ce travail.Master [120] en traduction, Université catholique de Louvain, 201
Decision support system for objective nasal airway obstruction assessment using computational fluid dynamics
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