Materials Literature
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As nanopartículas de prata (AgNP) vêm sido muito estudadas recentemente, pois apresentam diversas propriedades, incluindo atividade anti-microbiana, principalmente contra fungos e bactérias. Uma forma de sintetizar nanopartículas de prata é chamada de rota biogênica, pois os agentes redutores e estabilizantes são extr…
Previamente al ennoblecimiento textil, los tejidos de algodón son sometidos a procesos de preparación (desencolado, descrudado y blanqueo) que consiguen la eliminación de impurezas presentes en la superficie de la fibra. El presente trabajo aborda el estudio del proceso de blanqueo de tejidos de algodón crudo y descru…
A bupivacaína (BVC) é o principal anestésico local utilizado para procedimentos cirúrgicos, porém, seus efeitos cardiotóxicos e neurotóxicos restringindo seu uso. Os lipossomas são sistemas versáteis de drug delivery (DDS) compostos por uma ou mais bicamadas fosfolipídicas. Os anestésico locais interagem com os liposs…
Magnesium adalah salah satu logam yang mempunyai kelebihan yaitu memiliki densitas ringan dan mampu mesin yang baik, sehingga membuat magnesium sekarang semakin dikenal luas di bidang industri manufaktur seperti bidang otomotif dan biomedik. Namun magnesium sangat mudah menyala karena magnesium memiliki titik nyala ya…
The process of surface plastic deformation – hardening rolling by a ball is one of the most widespread processes of finishing machining products, allowing to obtain the required mechanical characteristics of the surface of products – hardness, strength, corrosion resistance and wear resistance. The results of the inve…
Lightweight concretes made from wood fibres and Portland cement paste are a new alternative for the reduction of the environmental impact of buildings. They are used in sustainable constructions as secondary elements for their thermal, hydric and mechanical performance. However, the generalisation of their use is not…
La simulazione al calcolatore e uno strumento potente ed efficace per la valutazione delle prestazioni del prodotto e la pianificazione del sistema produttivo, in particolare per i sistemi di produzione complessi. Attraverso tale tecnologia e infatti possibile individuare tempestivamente eventuali errori progettuali,…
RESUMOO motor elétrico é uma máquina que se destina a transformar energia elétrica em energia mecânica. Na indústria, é o mais usado de todos os tipos de motores, pois combina vantagens como utilização de energia elétrica, construção simples, facilidade de transporte, baixo custo, grande versatilidade de adaptação às…
The goal of this study is to understand how the microinclusions affect the fatigue life of rolling bodies. In order to do this, a numerical method was considered, and its results were correlated with experimental ones, investigating whether a microinclusion threshold parameter could be defined, to be related to the li…
Friction Stir Welding (FSW) is a solid state welding process used today in the aerospace, naval and rail transport sectors. It has the advantage of providing welds with better mechanical properties than fusion welding processes. Most of studies carried out on this process concern aluminum alloys. This work focuses on…
Questa tesi tratta la modellizzazione unidimensionale, unita ad alcune simulazioni numeriche, della fase di pressatura umida di un foglio di carta racchiuso tra due feltri, con uno sguardo particolare rivolto alle presse a scarpa. Il modello e basato sulla teoria dei flussi in mezzi porosi deformabili, dalla quale si…
Data has been edited to remove key details about participants, organisations involved in the study and commercially sensitive information. For further details and clarification please contact the lead author.
Copper-gold nanoalloy (CuAu) for heterogeneous catalysis is of increasing interest in the scientific community. Indeed, the alloy of gold, known to be a stabilizing element, with copper, known to be very active with respect to oxygen particularly, shows interesting catalytic properties, in oxidation reactions such as…
As an enterprising materials scientist, Saryu Fensin leverages both experiments and simulations to improve understanding of how materials behave when subjected to extreme forces. Her aim is to use the complementary techniques to design and develop innovative materials for use in extreme conditions such as stockpile-fo…
Nitride LEDs development presents significant scientific and societal issues. The aim is to get low-cost, high efficiency LEDs with accurate color-rending (typically the Color Rending Index has to be higher than 90). Due to their large band gap (from 0.8 to 6.2 eV), III-N materials, as GaN and alloys, are still used f…
Vengono riportati i criteri per la valutazione dei livelli di allontanamento per i liquidi presenti nell’ex impianto Magnox. Sulla base delle risultanze della caratterizzazione dei materiali liquidi si presentano i criteri di verifica delle condizioni di allontanamento e si indicano le modalità di allontanamento dei m…
Cadmium oxide thin films were prepared by D.C magnetron plasma sputtering using different voltages (700, 800, 900, 1000, 1100 and 1200) Volt. The Cadmium oxide structural properties using XRD analysis for just a voltage of 1200 volt at room temperature after annealing in different temperatures (523 and 623) K were stu…
An electronic component heats. Thermal optimization of the design of electronic packages and of their activation and de-activation duration is essential to cap the temperatures reached. Thus we have to be able to finely and quickly predict the thermal evolution of a component set in its surroundings for multiples scen…
Magnesium is one of important materials light weight, which is used world widely, especially in the field of the automotive, sport, electronic and biomedical. Application of material magnesium and its alloy in the field of biomedical based on the magnesium characteristics which look very much like the nature of biocom…
The Front Cover shows a new concept vehicle powered by a zinc–air battery using an echinops-like air cathode to catalyze oxygen reduction and oxygen evolution reactions. The unique hierarchical echinops-like carbon composite material is prepared through the carbonization of self-assembled nanoparticles comprising foli…