Search results for "wt"

The Divine Magnet: Herman Melville’s Letters to Nathaniel Hawthorne

2016

International audience

“Out-of-Kilter Icons, Historical Distortions and Horizon Figures in The Scarlet Letter; or, A Troubled America in a Bell Jar”

2006

International audience

Rebuilding a Cluster while protecting knowledge within Low-medium-tech supplier SMEs: A Spanish and French comparison

2021

International audience; Most of SMEs are engaged in open innovation practices, but they do not benefit from open innovation or from patenting in the same way as larger firms do. At the same time SMEs, as territorialized suppliers, play a crucial role within evolving regional specialization. In this context the purpose of our study is to examine how low and medium technology supplier SMEs learn and organize themselves at a territorial level to address the challenge of IP protection in an open innovation paradigm. We used a qualitative method with a longitudinal multi-case study involving 27 companies with a historical lance to compare the territorial dynamics of knowledge protection within c…

Study of parameters endogeneous and exogeneous to ordinary Portland ciment influencing hydration of its main phase : tricalcium silicate

2012

This work devoted to study various parameters influencing hydration of silicate phase main Ordinary Portland Cement (OPC) was performed at the Laboratoire Interdisciplinaire Carnot de Bourgogne (ICB). This study is part of the project "Crystal Growth Control" initiated by BASF in order to monitor and provide the best as possible the hydration of Ordinary Portland Cement. The dissolution of alite, like the pure C3S one, is fast in pure water. Speed decreases with deviation from equilibrium and the concentration of aluminates ions in solution. There is also an adsorption on the surface of the aluminum which is into the alite and released by dissolution. Germination and growth of C-S-H has bee…

P-Type Doping of 4H-SiC for Integrated Bipolar and Unipolar Devices

2015

International audience; P-type 4H-SiC layers formed by ion implantation need high temperature processes, which generate surface roughness, losing and incomplete activation of dopants. Due to dopant redistribution and channeling effect, it is difficult to predict the depth of the formed junctions. Vapor-Liquid-Solid (VLS) selective epitaxy is an alternative method to obtain locally highly doped p-type layers in the 1020 cm-3 range or more. The depth of this p-type layers or regions is accurately controlled by the initial Reactive-Ion-Etching (RIE) of the SiC. Lateral Junction Field Effect Transistor (JFET) devices are fabricated by integrating p-type layers created by Al ion implantation or …

ELECTRONIC, MAGNETIC AND STRUCTURAL PROPERTIES OF NIO AND FEO THIN FILMS EPITAXIALLY GROWN ON SURFACES OF CU(001) : AN AB-INITIO DENSITY FUNCTIONAL S…

2011

Territori dell'abusivismo: Agrigento e il suo hinterland

2017

In Sicilia, le pesanti ricadute dell’abusivismo edilizio sulla qualità del paesaggio, sul corretto sviluppo urbanistico, sull’economia e sulla sicurezza del territorio, hanno ormai compromesso, solitamente in maniera irreversibile, l’immagine di diversi centri urbani e di interi tratti di costa. In quest’ottica Agrigento e il suo hinterland costituiscono un esempio emblematico in cui il dilagare dell’abusivismo edilizio è espressione di un malcostume diffuso, rimasto per anni impunito. Il fenomeno dell’abusivismo nel territorio agrigentino investe, senza eccezione alcuna, tutti i centri urbani gravitanti attorno al capoluogo, anche se in maniera differenziata. Le maggiori percentuali di edi…

Il perdurante ricorso agli accordi di limitazione delle esportazioni come strumento di protezione commerciale

2011

Simulations on the mechanism of CNT bundle growth upon smooth and nanostructured Ni as well as θ-Al2O3 catalysts

2011

Abstract In the current study, we have performed ab initio DFT calculations on the gradually growing 2D periodic models of capped single-wall carbon nanotubes (SW CNTs) upon their perpendicular junctions with the Ni(111) substrate, in order to understand the peculiarities of the initial stage of their growth on either smooth or nanostructured catalytic particles. Appearance of the adsorbed carbon atoms upon the substrate follows from the dissociation of CVD hydrocarbon molecules, e.g., CH4: (CH4)ads → (CH)ads+3Hads and (CH)ads → Cads+Hads. (Since the effective growth of CNTs upon Ni nanoparticles occur inside the nanopores of amorphous alumina, we have also simulated analogous surface react…

Croissance endogène et espace

1997

International audience