Prédiction de l'impédance mécanique d’un objet élastique à partir de la corrélation de bruit aléatoire
National audience
Materials Literature
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Towards Understanding the Optical Behavior of Carbon Dots
The excitation dependent emission of carbon quantum dots (CDs) is really a fascinating property to study. Despite a lot of research on this phenomenon, the true explanation is still a mystery. From UV to NIR, the whole range of emission can be covered using just a single kind of carbon dot only by changing the excitat…
Synthesis and Characterization of L-Alanine Based Poly(Ester-Amide)s
International audience
Influence of Graphene on PCL Scaffolds for Tissue Engineering Applications
An important approach in tissue engineering is to develop suitable scaffolds with good properties which is meant for implantation. PCL is a widely used FDA approved polymer in the biomedical field. It is biocompatible, biodegradable and also has good mechanical properties. We fabricated PCL scaffolds using the electro…
Structure and Dynamics of Layered Transition Metal Compounds Driven by Broken Symmetry
Correlated Electron Systems have attracted attention because of their complex phase diagrams that often contain several exotic phases that cannot be understood at all with traditional ideas. This is driven by the competition between many low-lying states, competing to be the ground state. That means by tuning paramete…
Rekayasa Alat-Lilit Pada Industri Kerajinan Kain Jumputan
Kain jumputan merupakan salah satu hasil kerajinan dari kain yang dibuat dengan ketrampilan manusia, yang perlu ditunjang dengan suatu peralatan agar diperoleh keseragaman kualitas hasilnya. Teknologi penggulungan, elemen mesin, bahan mesin dan teknik penyambungan benang dipakai dasar untuk merencanakan rekayasa peral…
Penelitian Pembuatan Arang Bambu (Bamboo Charcoal) pda Suhu Rendah untuk Produk Kerajinan
Abstrak Proses pengarangan terjadi bila ada suatu benda yang dipanasi sampai mencapai titik bakarnya sehingga benda terlihat membara, kemudian pemasukan oksigen dihentikan atau dibatasi agar benda tersebut tidak terbakar menjadi abu. Untuk melakukan uji coba penelitiaan pengarangan bambu menggunakan 2 jenis tungku, ya…
Penelitian Pasta Prada Bentuk Emulsi Untuk Produk Batik
Zat warna prada baik yang berujud bubuk maupun pasta dilekatkan pada kain dengan bantuan binder metalik dan air pada kekentalan tertentu. Dari hasil penelitian yang terdahulu (Sulaeman dkk., DKB., Nomer X, 1992), ternyata pada saat pasta prada dilekatkan masih terdapat indikasi ketidaklancaran aliran melalui lubang ca…
Development of nanoparticles for antimicrobial protection of leather coatings
In this work, nanoparticles (NPs) for antimicrobial protection of leather coatings were prepared, including chitosan NPs, zinc oxide NPs and mixed Ag/chitosan NPs. These NPs were characterized by DLS, Zeta potential and XRD.
Pengaruh Penggunaan Konsentrasi Amonium Sulphide pada Pewarnaan Kerajinan Logam Perak
Proses pewarnaan kerajinan logam perak dengan amonium sulphide dapat memberikan hasil yang memberi kesan dekoratif dan menarik, karena proses tersebut merupakan hasil reaksi antara zat tersebut dengan logam perak sebagai benda kerja. Proses pewarnaan logam perak menggunakan variasi konsentrasi ammonium sulphide 100 cc…
Optimization of reaction conditions and effect of catalyst type on product distribution in Cyclooctene oxidation
Oxidation of cyclooctene was studied in presence aqueous hydrogen peroxide (30%, v/v) over nano iron oxide. The catalyst prepared by microemulsion method and characterized using various techniques including XRD, TEM and BET techniques for evaluating phase, structure and morphology and surface area. In this study, we i…
Penggunaan Briket Batubara Sebagai Bahan Bakar Pada Proses Peleburan Perak Dan Kuningan
Briket Batubara adalah hasil olah lanjut dari batubara yang penggunaannya dalam proses peleburan menggunakan tungku pelebur bentuk silindris dengan penyuapan angin dari blower. Peleburan perak dan kuningan dengan menggunakan bahan bakar briket batubara dilakukan dalam tungku yang berbentuk silindris, Dari hasil pelebu…
A Soft and Efficient Approach for Removal of Template from Mesoporous Silica using Benzene Sulfonamide
In this contribution, an effective and soft method for removal of template from nanochannels of mesoporous silica (MCM-41) is proposed. This method is based on chemically-modified solvent extraction which enhanced by means of an auxiliary organic compound, i.e. benzene sulfonamide. Template removal was performed in so…
Fabrication of Silver doped Buckypaper and Investigation of its Properties
Microwave absorbing property of composites containing Ag nanoparticles filled multiwalled carbon nanotube buckypaper (Ag-BP) has been investigated. Buckypaper doped with silver was prepared by direct dispersion and filtration method. From the low temperature resistivity measurement it was found that increasing doping…
Εφαρμογές της υπέρυθρης φασματοσκοπίας (FT-IR) και της φασματοσκοπίας Raman (FT-Raman) στη μελέτη συστατικών γεωργικών προϊόντων
Η παρούσα μελέτη είχε σαν στόχο να συνδυάσει σύγχρονες τεχνικές εκχύλισης, όπως τα μικροκύματα καθώς και σύγχρονες μεθόδους ενόργανης ανάλυσης (φασματοσκοπία FT-IR και FT-Raman) και να τις εφαρμόσει στην απομόνωση και μελέτη διαφόρων συστατικών από διάφορα φυσικά (φυτικά) προϊόντα.Ως φυτικό υλικό επιλέχτηκε το κενάφ κ…
UNDERSTANDING A FUNDAMENTAL FORCE IN PROTEIN FOLDING: TUNING THE n ‐‐> > π* INTERACTION VIA DESIGNED PEPTIDES
An n‐‐> π* interaction is a local interaction that orders two consecutive residues by delocalizing the lone pair of electrons from oxygen of the donor carbonyl to the antibonding orbital of the acceptor carbonyl carbon. This interaction is a recent discovery that gives insight into the inherent biases that proteins ha…
Properties of Lightning Strike Protection Coatings
Les matériaux composites sont de plus en plus utilisés dans plusieurs domaines.Dans le cas des compagnies aéronautiques, ces matériaux sont introduits dans leurs avions pour réduire le poids et ainsi réduire les coûts de carburants.Ces avions sont donc plus légers mais la perte de conductivité électrique rend l'avion…
Mesure d'hystérésis magnétique volumique de l'acier 4340 en fonction de la température
DÉDICACE À mes parents, Nicole et Ron, pour tous leurs sacrifices qui m'ont permis de me réaliser.REMERCIEMENTS Avant tout, je veux souligner ma reconnaissance envers mon directeur de recherche Frédéric Sirois.Bien plus qu'un professeur, il a été une inspiration pour me dépasser et innover.Je le remercie pour son dévo…
Poly(Limonene Thioether) Scaffold for Tissue Engineering
A photocurable thiol-ene network polymer, poly(limonene thioether) (PLT32o), is synthesized, characterized, fabricated into tissue engineering scaffolds, and demonstrated in vitro and in vivo. Micromolded PLT32o grids exhibit compliant, elastomeric mechanical behavior similar to grids made of poly(glycerol sebacate) (…
Faults in Transformer Winding and Probing their Occurence by S-Transform and RBF Neural Network Technique
Now a days significant enhancement of certainty, reliability and economics of the power transformer is an important topic in power system engineering because among all equipment as for expedition used in electrical systems power transformer is one of the most costly piece of equipment. So that accurate diagnosis of fa…