Shorter filaments on crystals
Speleothem: FMD, Sample color: Yellow orange
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Branching smooth filaments that are part of large ball of filaments among crystals
Speleothem: FMD, Sample color: Yellow orange
Overview of a general area showing crystal formations.
Speleothem: FMD, Sample color: Yellow orange
Effect of irradiation on the monomer-liquid crystal systems
Effet du rayonnement sur des systèmes monomère-cristal liquide La motivation de ce travail est d'étudié l'effet du rayonnement ultraviolet (UV) et bombardement électronique (EB) sur la structure et les propriétés des composites polymères/CL préparés par polymérisation radicalaire. Les intérêts de recherche dans ce dom…
Etude par dynamique moléculaire de la structure atomique et de la compressibilité isotherme de métaux liquides. Calcul de la diffusion et de la viscosité de soudures sans plomb par le formalisme de Green-Kubo
Les propriétés physiques et thermodynamiques des métaux liquides dépendent de la structure électronique. La structure ionique est décrite soit par la fonction de corrélation de paires dans l'espace réel ou par le facteur de structure dans l'espace réciproque. Celui-ci est directement accessible par diffraction de neut…
Etude des cinétiques et des équilibres d'adsorption des composés organiques volatils et semi-volatils présents dans l'atmosphère des salles blanches sur les composants microélectroniques en cours de fabrication
Du fait de la miniaturisation des composants semi-conducteurs, il est devenu de plus en plus important de réduire les niveaux de contamination. Les salles blanches sont indispensables pour assurer un environnement adéquat pour l'élaboration des composants microélectroniques. Toutefois, jusqu'à présent aucune technolog…
Modelamiento Gamma en el análisis de solubilidad en agua de películas de almidón modificado
Para este trabajo se elaboraron películas biodegradablesde almidón de arracacha (Arracacia xanthorrhiza Bancroft)siguiendo un diseño experimental factorial AxB, donde elfactor A corresponde al tipo de almidón (Nativo, Oxidado yAcetilado) y el factor B corresponde a la concentración deglicerol utilizado como plastifica…
Caracterització òptica de nanofils d'ZnO en funció dels paràmetres de creixement
[ANGLÈS] In the present work we have grown ZnO nanowires over different substrates by the vapour-liquid-solid growth method, changing several growth parameters, such as the Au sputtered thin layer, temperature, pressure and gas flow. We have characterized their optical properties measuring the optical absorption and p…
Valutazione biomeccanica del pericardio bovino e porcino per la produzione di protesi valvolari cardiache
L’obiettivo del lavoro sperimentale e valutare le caratteristiche biomeccaniche del pericardio bovino e porcino, definendo quale zona all’interno del tessuto e piu adatta per la produzione di protesi valvolari, in quanto piu resistente dal punto di vista biomeccanico. Vengono valutati quale tra i trattamenti di decell…
Versatile nanostructured surfaces generated by controlling interfacial interactions
La génération de surfaces présentant des nanostructurations de surface variées et modulables est l’objectif principal de ce travail. L’auto-assemblage de copolymères à bloc ou de nanoparticules d’or a été privilégié, et nécessite pour se faire de moduler finement les interactions aux interfaces substrat/ matériaux dép…
Multiplicative noise and charge density wave dynamics in Rb0.30MoO3
We have investigated the combined effects of a multiplicative noise and nonlinear conductivity on the charge density wave (CDW) dynamics of the quasi-one dimensional conductor Rb0.30MoO3. When the amplitude of a bipolar rectangular voltage pulse excitation is modulated by a multiplicative Gaussian white noise perturba…
Theoretical and Experimental Modelling of Bubble Formation with Connected Capillaries in Liquid Composite Moulding Processes
The void prediction in LCM processes sparks off interest within the composite material industry because it is a significant issue to keep the expected mechanical properties. The liquid properties, the preform geometry and the flow conditions impact the quantity of void entrapped inside the final product. The complex g…
Carrier Statistics Modeling of p-Type Graphene Nanoribbons
Graphene nanoribbons (GNRs) are quasi one-dimensional nanos-tructures. This chapter discusses carrier statistics for p-type GNRs. This is one of the fundamental properties of these structures and is of particularly interest with respect to applications of GNRs in electronic devices. Carrier concentration expressions f…
Cristalização preferencial de polimorfo do ácido Lglutâmico
a estratgia de controle timo em malha fechada obteve melhores resultados.
Steady State Isotopic Transient Kinetic Analysis of Ethanol Coupling Reaction Catalyzed by Magnesia
Although ethanol can be produced on a large scale by fermentation, its use as a transportation fuel has several drawbacks. Ethanol can be coupled to form butanol, a more desirable fuel, over basic catalysts via the Guerbet reaction. In this work, the coupling of ethanol to butanol over a magnesia catalyst at 673 K and…
Focus on superconductivity in Fe-based systems
The past four years of incredibly intense research into Fe-based superconductors have brought about many unexpected surprises. Our understanding of their behavior and physical properties is constantly evolving. Unlike any other superconductors, those containing iron span diverse groups of materials: pnictides, chalcog…
Philochortus zolii: Wagner, P., Wilms, T., Niagate, B., Böhme, W. & Baha El Din, S.
Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species.
Faculty Opinions recommendation of Oriented nucleation of hemozoin at the digestive vacuole membrane in Plasmodium falciparum.
Heme detoxification is a critical step in the life cycle of malaria-causing parasites, achieved by crystallization into physiologically insoluble hemozoin. The mode of nucleation has profound implications for understanding the mechanism of action of antimalarial drugs that inhibit hemozoin growth. Several lines of evi…
Contents: (Adv. Mater. 28/2012)
Advanced Functional Materials is known for its rapid and fair peer review, quality content, and high impact (2011 IF: 10.179), making it the first choice of the international materials science community.
Sound characteristics and auditory sensation of combat uniform fabrics
The objectives of this study were to investigate the sound characteristics of combat uniform fabrics and to provide the condition for arousing positive sensibility by measuring psychological sensation for the frictional sound of the fabrics. The frictional sounds of six combat uniform fabrics were generated by the Sim…