Search results for " Industry"
showing 10 items of 2376 documents
L’ineffabile terza mediana dell'Anvur per l’area 12
2012
L'articolo affronta lo spinoso problema del ranking delle riviste giuridiche nell'ambito della procedura di abilitazione scientifica nazionale per professori associati e ordinari. In particolare si sofferma sui problemi di legittimità che derivano della sopravvenuta pubblicazione delle riviste di classe A e dalla eventuale introduzione della terza mediana a cui la detta pubblicazione prelude, nel quadro della critica della classificazione Anvur in disaccordo con i pareri espressi dalla comunità accademica. The article discusses the thorny problem of legal journals ranking, focusing it in relation to national scientific qualification procedure. In particular, it stays on problems of low-…
Growth of beryllium oxide nano-structures during thermal treatment of neutron irradiated beryllium
2015
Beryllium oxide nano-structures grown during high temperature oxidation of neutron irradiated beryllium has been investigated. Oxidation of non - irradiated and neutron irradiated beryllium was performed in differential thermal analyzer in an atmosphere of air and its mixture with helium at temperatures up to 1050°C. Structure of beryllium and its oxide was studied by the means of scanning electron microscopy. The growth of beryllium oxide nano-structures – “labyrinth type” layers and nano-rods on the inner surfaces of neutron irradiated beryllium were observed by means of Scanning Electron Microscopy. The size of the rods was 10-100 nm in diameter and up to few micrometers in length. There…
Softening of Silica Filled Styrene-Butadiene Rubber under Uniaxial Cyclic Loading
2016
Stress-strain behaviour of silica filled styrene-butadiene rubber showed strong hysteresis and cyclic softening, while these effects were almost negligible for the neat rubber. Significant Mullins effect occurs between the first and second loading cycles, whereupon samples reach their steady state after four repeated cycles. The degree of softening increases with volume content of silica characterizing the softening effect as a breakdown of the filler-formed microstructure defined by both, specific interactions in the filler associations and between the filler and rubber matrix. Contribution of different damage mechanisms to the total energy losses on different stages of extension was estim…
Surface Morphology of Single and Multi-Layer Silicon Nitride Dielectric Nano-Coatings on Silicon Dioxide and Polycrystalline Silicon
2019
Silicon nitride (Si3N4) in a form of single and multi-layer nanofilms is proposed to be used as a dielectric layer in nanocapacitors for operation in harsh environmental conditions. Characterization of surface morphology, roughness and chemical bonds of the Si3N4 coatings has an important role in production process as the surface morphology affects the contact surface with other components of the produced device. Si3N4 was synthesized by using low pressure chemical vapour deposition method and depositing single and multi-layer (3 – 5 layers) nanofilms on SiO2 and polycrystalline silicon (PolySi). The total thickness of the synthesized nanofilms was 20 – 60 nm. Surface morphology was investi…
Volume Changes in Filled Rubber Under Uniaxial Cyclic Loading
2011
Styrene-butadiene rubber, neat and filled with different silica content was investigated under uniaxial cyclic loading under a constant crosshead speed, with increasing deformation amplitude in subsequent loading cycles. Rubber was investigated in order to evaluate the reversibility of structure rearrangements, occurring in rubber when subjected to cyclic loading. Volume uniformly increases with growing strain and shows hysteresis at unloading. After complete unloading, no residual strain changes are observed. These data are in good conformity with the data of density measurements, which were made on specimens before and after the tests. By correlating data, obtained from volume changes and…
Intended or Unintended Doping? A Review of the Presence of Doping Substances in Dietary Supplements Used in Sports
2017
Introduction: The use of dietary supplements is increasing among athletes, year after year. Related to the high rates of use, unintentional doping occurs. Unintentional doping refers to positive anti-doping tests due to the use of any supplement containing unlisted substances banned by anti-doping regulations and organizations, such as the World Anti-Doping Agency (WADA). The objective of this review is to summarize the presence of unlabeled doping substances in dietary supplements that are used in sports. Methodology: A review of substances/metabolites/markers banned by WADA in ergonutritional supplements was completed using PubMed. The inclusion criteria were studies published up until Se…
La gastronomía bien templada. La cocina quechua
2005
Un acercamiento al léxico sobre cocina en lengua quechua nos podría proporcionar algunas claves sobre su importancia en tiempos del imperio inca y sobre la que tiene, en el momento presente, la cocina patrimonial del Perú . No hace mucho un hablante de quechua nos decía convencido : " Piru llaqta wayk'uyninqa sumaqnin" (" la cocina de Perú es realmente exquisita").
Las lenguas como patrimonio : el principio de prioridad
2000
El primer paso en todo aquello que comprende el ámbito patrimonial es el reconocimiento de la herencia recibida. Luego hay otros: su conservación y ampliación y finalmente su transmisión a los descendientes.Todo esto ha sucedido con el quechua y el aimara en Perú, como si la lengua fuera ajena a los bienes nacionales. Es tan sagrada una piedra de Machu Picchu como una palabra de estas lenguas: tan importante es el lntiwatana, anteayer descubierto y hoy lacerado, como el significado de sus dos lexemas juntos lnti "sol", watay "atar, calcular su recorrido".
Johtajat toimialamurroksen keskiössä : suomalaisen finanssialan ylimmän johdon selontekoja johtajuudesta
2013
Spectroscopic and Structural Investigation of the Confinement of D and L Dimethyl Tartrate in Lecithin Reverse Micelles
2009
The confinement of D and L dimethyl tartrate in lecithin reverse micelles dispersed in cyclohexane has been investigated by FT-IR, polarimetry, electronic and vibrational circular dichroism (ECD and VCD), 1H NMR, and small-angle X-ray scattering (SAXS). Measurements have been performed at room temperature as a function of the solubilizate-to-surfactant molar ratio (R) at fixed lecithin concentration. The analysis of experimental data indicates that the dimethyl tartrate molecules are solubilized within reverse micelles in proximity to the surfactant head groups in the same way for the D and L forms. The encapsulation of dimethyl tatrate within lecithin reverse micelles involves changes in i…