Ships and marine technology -- Protective coatings and inspection method Assessment method for coating damages
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Materials Literature
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Dégradation des aciers frittés sous impact-glissement
Le sujet de ce travail concerne une partie précise des moteurs à explosion : le système soupape /siège de soupape. Les conditions de contact sont sévères : température élevée, choc, glissement, atmosphère agressive, … Le but a été d’évaluer la résistance à l’usure sous différents environnements des aciers obtenus par…
Synthèse, caractérisation et évaluation biologique d'apatites phosphocalciques carbo silicatées
La substitution ionique apparait comme une des possibilités pour moduler la bioactivité de l’hydroxyapatite (HA), matériau couramment employé comme substitut osseux. L’incorporation simultanée d’ions carbonates et silicates dans la structure apatitique pourrait permettre de coupler les propriétés de résorption et de d…
Development of chitin extraction process and chitosan obtaining for biomaterials application.
O avanço na história da humanidade pode ser rastreado através do progresso na utilização de materiais. Recentemente, materiais provenientes de resíduos da indústria pesqueira, como quitina e seu derivado principal, a quitosana, passaram a ser considerados como alternativas de grande potencial, para área biomédica. Por…
Effect of the iron content and heat treatment on the microstructure and properties of UNS N06625 alloy.
Nos últimos anos, a indústria de O&G tem enfrentado um considerável desafio no que tange a obtenção de materiais que associem elevada resistência à corrosão às propriedades mecânicas para exploração dos poços das bacias do Pré-Sal. Estes poços apresentam elevadas concentrações de CO2, H2S e cloretos de forma que a res…
Dendritic functionalization of core-shell magnetic nanoparticles for biotechnology
The purpose of this work is to design stable, water-dispersible, maleimide functionalized magneticnanoparticles (MNPs) that will ensure selective covalent immobilization of biomolecules. While, a largechoice of MNPs is now commercially available, the surface modification of MNPs remains an indispensablestep in the ela…
Synthesis, characterization and biological evaluation of silicated and carbonated hydroxyapatites
La substitution ionique apparait comme une des possibilités pour moduler la bioactivité de l’hydroxyapatite (HA), matériau couramment employé comme substitut osseux. L’incorporation simultanée d’ions carbonates et silicates dans la structure apatitique pourrait permettre de coupler les propriétés de résorption et de d…
Caracterizaci\'on de austenita expandida generada por cementaci\'on i\'onica de aceros inoxidables. Estudio de la estabilidad frente a la irradiaci\'on con haces de iones ligeros energ\'eticos
This thesis was focused on the surface modification with plasma discharge. Austenitic AISI 316L stainless steel sample was carburised under different experimental conditions and mechanical properties have been studied (thickness, lattice parameter, elemental composition, hardness, wear resistance and corrosion resista…
СРАВНИТЕЛЬНЫЙ АНАЛИЗ РАЗЛИЧНЫХ ИСТОЧНИКОВ ПЛАЗМЫ ДЛЯ ЦЕЛЕЙ РЕАКТИВНОГО НАНЕСЕНИЯ ПОКРЫТИЙ И ДИФФУЗИОННОГО НАСЫЩЕНИЯ МЕТАЛЛОВ
Выполнены зондовые измерения параметров различных источников технологической плазмы, используемых в вакуум-плазменных технологиях при реактивном нанесении покрытий и диф- фузионном насыщении металлов. Проведен сравнительный анализ плазменных источников магнетронного и вакуум-дугового разрядов, используемых в процессах…
Sol-Gel Synthesis and Preliminary Characterizations of Novel Silica Hybrid Xerogels
Removed at authors request
Lucio Isa
“Guaranteed to make me laugh is …︁ a good joke about geeks! Not taking ourselves too seriously is one of the privileges of being a scientist.” This and more about Lucio Isa can be found on page 633.
ChemInform Abstract: Brevianes Revisited
Abstract Review: synthesis, bioactivity, and biogenetic pathway; 67 refs.
kurz & bündig
Wirtschaftswachstum macht sich verblüffenderweise in einer erhöhten Mortalität bemerkbar, eine Rezession hingegen steigert die Lebenserwartung. Das ergab eine Studie über 19 Industrieländer der Jahre 1950 bis 2008. Zu den Ursachen können die Forscher nur spekulieren – Stress und Luftverschmutzung sind denkbar. GS JECH…
Cover Image, Volume 114, Issue 11
The development of new materials with exceptional nonlinear optical properties plays a key role for present-day electronic technology. The improvement of quantum-chemical approaches for the prediction of such properties as static and dynamic first and second hyperpolarizabilities has both practical and fundamental int…
ChemInform Abstract: CePd2Sn3, CePd2Sn4, and Ce3Pd6Sn10 — Ternary Stannides of New Structure Types.
Abstract Single crystals of the new layered compounds CePd2Sn3 (I), CePd2Sn4 (II), and Ce3Pd6Sn10 (III) are obtained from stoichiometric melts of the elements and subsequent annealing (900—950 K, 2 h).
ChemInform Abstract: New Light on an Old Story: Perovskites Go Solar
Abstract Review: 18 refs.
ChemInform Abstract: Supramolecular Assemblies by Charge‐Transfer Interactions Between Donor and Acceptor Chromophores
Abstract Review: 159 refs.
ChemInform Abstract: Is Simpler Better? Synthetic Nicotinamide Cofactor Analogues for Redox Chemistry
Abstract Review: 161 refs.
ChemInform Abstract: Protein Micro‐ and Nano‐Capsules for Biomedical Applications
Abstract Review: 52 refs.
ChemInform Abstract: SrBeB2O5: Growth, Crystal Structure and Optical Properties.
Abstract SrBeB2O5 is prepared by repeated solid state reaction of stoichiometric amounts of SrCO3, BeO, and H3BO3 (muffle furnace, 1173 K, 48 h).