Materials Literature
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In France, AREVA JSPM, a subsidiary of the AREVA Group that specialises in nuclear reactor pumps and devices, reports that it has successfully qualified a new hydrodynamic shaft seal system (HD seal) that can withstand station black-out (SBO) conditions for an unrivalled period of 120 hours.
ADITYA Tokamak is a medium size ohmically heated tokamak. The hot plasma interacts with the vacuum vessel wall introducing impurities in the plasma and also damages the vacuum vessel wall. Limiter is used to reduce plasma - wall interaction and protect the vacuum vessel wall as well as inside components. It also contr…
Plastics Engineering is the official publication of the Society of Plastics Engineers (SPE). We provide plastics professionals with a wealth of information about machinery, technological advances, materials innovations, sustainability, and more.
The Three Gorges Dam was altogether finished in 2009 and water level will reach 175 meter during dry season (winter) and fall back to 145m during rainy season (summer). Impoundment of the Three Gorges Reservoir forms three significant different water types in the main stream of the Three Gorges Reservoir in Chongqing:…
A highly reversible air electrode was designed based on the hydrophilic nano-PPy tubes with abundant gas diffusion channels and reaction space which greatly improved the cell capacity, cycling stability and especially the rate performance of the lithium-oxygen batteries.
OBJECTIVE: To study preparation and characterization of chitosan from Catharsius Molossus processing discards and explore the feasibility of utilization of insects residue. METHODS: Preparation technique of chitosan was studied by orthogonal design,and properties were characterized by Fourier transform infrared spectr…
Hybrid memory devices with polyimide and SnO2 nanocrystals on a flexible polyethersulphone substrate have shown a memristor behavior from current-voltage (I-V) measurements. The resistive-switching effects with a current bistability appeared during cycling voltage sweeping within the range of +/- 4 V. This I-V switchi…
In this research, we reported on the fabrication of top-contact amorphous-indium gallium zinc oxide (a-IGZO) thin-film transistors (TFTs) with an organic buffer layer between inorganic gate dielectric and active layer in order to improve the electrical properties of devices. By inserting an organic buffer layer, it wa…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
In this study, the effects of polypropylene-grafted maleic-anhydride-treated multi-walled carbon nanotubes (PP-MWNTs) on the viscoelastic behaviors and mechanical properties of a polypropylene-(PP)-based composite system were examined. The PP-MWNT/PP composites were prepared via melt mixing with a 3:1 ratio of PP-g-MA…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
OBJECTIVE: To investigate the chemical components and microstructure of Nengchi Bajin ashes which are adjuvant material in the refining of Tibetan medicine gTSo thal, in order to explore the material basis of the refining of gTSo thal. METHOD: Scanning electron microscope-energy dispersive spectrometer (SEM-EDX) and X…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
The new heteroleptic iridium complexes bearing 2-(5-phenyl-1,3,4-oxadiazol-2-yl)phenolate (ODZ), were synthesized and characterized for application to organic light-emitting diodes (OLEDs). As main ligands (C^N), the anions of 2-phenylpyridine (ppy), 2-phenylquinoline (pq) and 2-(2,4-difluorophenyl)pyridine (F2-ppy) w…
Since 2007, advanced Sodium-cooled Fast Reactors (SFR) are investigated by CEA, AREVA and EDF in the framework of a joint French collaboration. A prototype called ASTRID, sets out to demonstrate progress made in SFR technology, is due to operate in the years 2020's. The modeling of unprotected transients by computer c…
The uncertainty analysis is very popular and important, and many works have been done for Light Water Reactor (LWR), although the experience for the uncertainty analysis in High Temperature Gas cooled Reactor (HTGR) modeling is still in the primary stage. IAEA will launch a Coordination Research Project (CRP) on this…
In response to the accident at the Fukushima Daiichi nuclear power station in Japan, the US Nuclear Regulatory Commission and Department of Energy agreed to jointly sponsor an accident reconstruction study as a means of the assessing severe accident modeling capability of the MELCOR code. Objectives of the project inc…
The core behaviour of a large (3600 MWth) sodium-cooled fast reactor (SFR) is investigated in this paper with the use of a coupled TRACE/PARCS model. The SFR neutron spectrum is characterized by several performance advantages, but also leads to one dominating neutronics drawback - a positive sodium void reactivity. Th…
Carbon nitride$(\hbox{CN}_{x})$films, deposited by pulsed laser deposition (PLD) in nitrogen$(\hbox{N}_{2})$atmosphere, were studied with respect to mechanical, morphological, compositional, structural, and optical properties. All the samples were prepared at room temperature and under various$\hbox{N}_{2}$pressures,…
We employ an aluminum (Al) film as a thermal conduction layer under the laser thermal lithography AgInSbTe phase-change film to improve the patterning resolution in laser thermal lithography. The patterns were fabricated by laser writing and wet-etching. The laser writing was conducted by a setup where the laser wavel…