DESERT: DoD/DOE Energy Surety Engineering Research and Technology.
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Materials Literature
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INFLUENCE DU RECUIT SUR LA RECRISTALLISATION DE L’ALLIAGE ALUMINIUM-LITHIUM 8090.
L’alliage d’Aluminium-Lithium est connu comme étant un matériau superplastique. Ce comportement est lié à une structure à grains fins. Le développement de cette structure peut être obtenue par recristallisation statique suite à traitement thermomécanique approprié.Le but de cette étude est de suivre l’évolution de la…
New beginnings for nuclear
Jeroen Veenstra describes how his enthusiasm for nuclear energy led him to a new country, a new language and a role in developing the energy future.
Electronic Levels Of Cr2+ Ion Doped In II-VI Compounds Of ZnS – Crystal Field Treatment
Abstract The aim of present paper is to report the results on the modeling of the crystal field and spin-Hamiltonian parameters of Cr2+ doped in II-VI host matrix ZnS and simulate the energy levels scheme of such system taken into account the fine interactions entered in the Hamiltonian of the system. All considered t…
IBM develops carbon nanotube transistors
IBM scientists have unveiled a method that can lay down thousands of carbon nanotubes in parallel rows – turning them into transistors that can be individually tested and addressed.
Structural diversity of proline catabolic enzymes revealed by small angle x-ray scattering, x-ray crystallography and light scattering
The proline catabolic enzymes catalyze the 4-electron oxidation of proline to glutamate. The reaction involves two enzymes, proline dehydrogenase (PRODH) and Î"1-pyrroline -5-carboxylate dehydrogenase (P5CDH). Some bacterial organisms have both of these enzymes fused together, and the fused bifunctional enzymes are ca…
Expérimentation RINBIO 2011. Suivi de la cinétique de contamination chimique de moules (Mytillus galloprovincialis): Synthèse des mesures de contaminants chimiques dans l'eau.
Une des exploitations possibles des données acquises dans le cadre du réseau RINBIO est d'évaluer la concentration sous forme "biodisponible" de différents contaminants chimiques présents dans la colonne d'eau. Afin d'étudier cette possibilité, une expérimentation été conduite en parallèle sur trois sites en 2011 (bai…
European nuclear lab gets civil construction go-ahead
Construction of the €1.2bn Facility for Antiproton and Ion Research (FAIR) at the GSI heavy-ion lab in Darmstadt, Germany, can finally begin after the permit for civil construction was granted in October.
Effects of the annealing and CdCl 2 treatment on the structural and optical properties of ammonia-free and ammonia cds thin films by chemical bath deposition
CdS thin films, with and without ammonia, were prepared using the chemical bath deposition method (CBD), with bath temperature of 70 0 C, 20 and 60 min times of reaction and different complexing agents. We study the effects of CdCl2 treatment and annealing on these films. The thin films were characterized by X-Ray dif…
Study of Optoelectronic Properties CdS-Si Heterojunction Prepared by Chemical Bath Deposition Method
CdS-Si heterojunction detector has been prepared by chemical bath deposition method . Structure properties of these films was characterized by X-ray diffraction .CdS films deposited have polycrystalline structure cubic(zinc blende) and hexagonal. The average grain size is 45 nm .The optical properties of the CdS films…
Investigation on the Property Degradation of Nickel-Base Alloy 825 in High Pressure H2S Environments
The effects of tensile rate and H2S pressure on the tensile property of nickel-base alloy 825 in wet H2S environments were investigated by the slow strain rate tensile test (SSRT) and scanning electron microscopy (SEM). The results show that the tensile property degradation of alloy 825 has no obvious difference betwe…
Klorürlü Çözeltilerde Sülfatiyazolün Alüminyum Korozyonuna Etkisi
Bu çalışmada sülfatiyazolün 0,1 M NaCl çözeltisindeki alüminyum korozyonuna inhibisyon etkisi, farklı sıcaklıklarda potansiyodinamik polarizasyon eğrileriyle ve SEM analizleriyle incelenmiştir. Polarizasyon eğrilernden sülfatiyazolün karışık inhibisyon etkisi gösterdiği belirlenmiştir. Langmuir adsorpsiyon izotermi ku…
열간 프레스 성형공정 적용을 위한 극저탄소강의 탄소확산에 미치는 결정립 크기의 영향
Carbon diffusion of ultra low carbon steel treated at 880℃ and 930℃ for 10, 30, 60 and 120 minutes was investigated using optical microscopy, SAM, EPMA, and Micro Vickers. The martensite patterns of the specimens treated at 880℃ and 930℃ were different. Martensite in the ferrite region was found in the specimen treate…
Co Katkılı ZnO İnce Filmlerinin Üretimi ve Karakterizasyonu
Son yıllarda, ZnO saydam iletken oksit ince filmlerinin Mn, Fe, Ir ve Co gibi geçiş metal oksitleri ile katkılandığında ilginç özelliklere sahip olması dikkat çekmektedir. Bu çalışmada, katkısız ve Co katkılı (% 12 ) ZnO filmleri 320 ± 5 °C taban sıcaklığındaki cam tabanlar üzerine ultrasonik kimyasal püskürtme tekniğ…
Design of driving transistor in a-Si:H TFT gate driver circuit
The driving transistor in a-Si:H gate driver circuits is studied systematically for the first time. A viable device layout for the driving device is proposed and investigated. The dependence of the circuit performance on the driving device dimension is analyzed in detail.
Analysis of harmonics in switching transients of an integrated steel plant — A case study
In a distribution network of a large utility like an integrated steel plant, the major electrical machinery like distribution transformers are often subjected to normal and abnormal voltage and current stresses due to frequent switching operations. In this paper we simulate a portion of the distribution network of Dur…
Processibility of black garbage bag as a novel binder system in metal injection molding
The issues to be highlighted here is to fundamentally evaluate the potential of using\nwaste Garbage Bag from High Density Polyethylene (HDPE) as a backbone binder in\nMetal Injection Molding (MIM.) This is by the fact that the earth has tons of Garbage\nBag disposed every day and researcher believes such waste can be…
Plasmonic effect in Light-Induced Plating of c-Si solar cell
Light Induced Plating (LIP) of c-Si solar cell is a critical process generally leading to increase in fill factor and efficiency associated with marginal reduction in short circuit current (Jsc). In this paper, we report the increase in Jsc of LIP processed solar cell caused by unintentional deposition of silver nanop…
Rate equation modelling of erbium luminescence dynamics in erbium-doped silicon-rich-silicon-oxide
Erbium doped silicon-rich silica offers broad band and very efficient excitation of erbium photoluminescence (PL) due to a sensitization effect attributed to silicon nanocrystals (Si-nc), which grow during thermal treatment. PL decay lifetime measurements of sensitised Er3+ ions are usually reported to be stretched or…
A study of morphology and Optical properties of nano engineered (Au/Cu/ TiO2) composites
Gold and Copper tailored titania (Au/Cu/TiO2) nanocomposites were synthesized by a modified sol gel method and their morphology and optical properties were studied using various techniques. XRD patterns confirmed the presence of pure anatase phase of TiO2, and an enhanced visible response was found in the absorption s…