EXPERIMENTAL CHARACTERIZATION AND NUMERICAL MODELLING OF THE FIRST STAGES OF DAMAGE OF WOVEN POLYMER MATRIX COMPOSITES AT THE MICROSCOPIC SCALE
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Desenvolvimento de sistema de proteção para reator nuclear de pesquisa baseado em field programmable gate array-FPGA
Neste trabalho e realizado um estudo e apresentada uma proposta de implementacao de um modelo de Sistema de Protecao para Reatores Nucleares de Pesquisa, atraves da utilizacao de dispositivo programavel FPGA (Field Programmagle Gate Array). Bem como sao estudadas as logicas de protecao de um desligamento automatico (T…
Segregation-induced embrittlement of polycrystalline Ni: reaching the atomic scale
Even the slightest content of species segregating at the grain boundaries (GBs) of a polycrystalline material can dramatically change its physical (mechanical, thermal, electrical, optical) features and its lifetime. While some nonmetallic species may improve its mechanical properties, sulfur segregating in nickel GBs…
Designing and Fabrication of Shoulder Joint Prototype
Shoulder is a flexible joint consist of multi axis synovial ball and socket arrangement. It is a combination of scapula, humerus and clavicle that demands partial or complete because of disease or accidental fracture. In the current scenario, surgeons have preferred the implants made of CoCr, Ti or Ti-alloy because of…
마이크로파 가열을 이용한 β-SiC 분말 합성
Microwave heating is a promising method to improve procedure for synthesis of silicon carbide powder under fast microwave induced heating. In this study β-SiC powder was synthesized by microwave heating using high purity Si and Graphite in a 2,45GHz microwave field in nitrogen atmosphere. The conditions for synthesis…
PENGARUH VARIASI MOL OH TERHADAP STRUKTUR PADATAN KATALIS MgF2-x(OH)x
Pada penelitian ini dilakukan sintesis katalis MgF2-x(OH)x (x= 0; 0,5; 1; 1,34 dan 2) melalui metode sol-gel dan dikarakterisasi struktur padatan dengan difraksi sinar-X. Difraktogram MgF2-x(OH)x hasil sintesis menunjukkan bahwa katalis memiliki struktur amorf. Jumlah OH yang semakin banyak pada katalis MgF2-x(OH)x me…
Efficiency of modern fast photo detectors
The review of computational models and numerical results for end-to-end design of microchannel plate (MCP) amplifiers were presented. We use "microscopic" Monte Carlo (MC) simulations, empirical theories, and close comparison to experiment to obtain the influence of back-scattered electrons and the saturation effect o…
PENAMBAHAN POLIETERIMIDA PADA MEMBRAN KOMPOSITKITOSAN/ZEOLIT-A UNTUK MENINGKATKAN KINERJAMEMBRAN PROTON EXCHANGE MEMBRANE FUEL CELL (PEMFC)
Penelitian ini bertujuan untuk meningkatkan kinerja membran kitosan/zeolit-A, untuk proton exchange membrane fuel cell dengan penambahan polieterimida pada variasi konsentrasi 16%, 19%, 22% dan 25%. Penambahan polieterimida dapat meningkatkan sifat mekanik, ketahanan suhu saat operasi, transport proton dan meminimalka…
Atomic Resolution Structure of Monomorphic Aβ₄₂ Amyloid Fibrils
National Institute for Biomedical Imaging and Bioengineering (U.S.) (EB-003151)
Milestone report - M4FT-16OR03010723 - Joint Test Plan to Identify the Gaseous By-Products of CH3I Loading on AgZ
The objective of this test plan is to describe research to determine the gaseous by-products of the adsorption of CH3I on hydrogen reduced silver exchanged mordenite (AgZ). An initial test plan was developed in FY 2012 to discern the chemical reactions that occur when organic iodides interact with the other components…
Reagent-driven reconfiguration/optimization of a 16-parameter BD FACSARIA II SORP to allow accurate detection of violet- and UV-excited Sirigen dyes
Background. Modern flow cytometers can detect emission from a variety of commercially available fluorescent reagents. However, accurate detection of novel dyes is often difficult due to the lack of readily available quality assurance tools, for instrument manufacturer QC and optimization protocols often become availab…
Materials reinforced with nanocellulose: promising nanocomposites for food packaging?
The development of new packaging materials offering new functionalities and lower environmental impact, is now an urgent need. On one hand, the shelf life extension of packaged products can be an answer to the exponential increase of worldwide demand for food. On the other hand, the increase in the price of crude oil,…
High Luminescence Efficiency in MoS
One of the major challenges facing the rapidly growing field of two-dimensional (2D) transition metal dichalcogenides (TMDCs) is the development of growth techniques to enable large-area synthesis of high-quality materials. Chemical vapor deposition (CVD) is one of the leading techniques for the synthesis of TMDCs; ho…
Quantifying Grain-Scale Deformation for Direct Comparison to Crystal.
Abstract not provided.
Pulsed laser ignition dynamics of Al/Pt reactive multilayers.
Abstract not provided.
Validation d'un protocole d'injection pour l'amélioration des sols en place par MICP et analyse de l'état critique d'un sable biocalcifié
RÉSUMÉ Ce mémoire porte sur un nouveau procédé d'amélioration des sols, la biocalcification par\nMIPC (Microbially Induced Calcite Precipitation). Ce procédé novateur de cimentation repose sur l'optimisation de l'activité bactériologique de la Sporosarcina pasteurii dans un milieu urée. En hydrolysant l'urée, la S. pa…
MODELING ANISOTROPIC EFFECTS OF CARBON FIBER REINFORCED EPOXY COMPOSITES IN FIRE ENVIRONMENTS.
Abstract not provided.
Development of Mn(III) Porphyrins as High Relaxivity MRI Contrast Agents for Blood Pool and Targeted Imaging
Magnetic Resonance Imaging (MRI) provides detailed anatomical information and has become indispensable for a wide range of medical applications. To further broaden our diagnostic capabilities, about 40% of clinical MRI scans are performed with the administration of MRI contrast agents (CAs). There are, however, two ma…
Transport Properties of Topological insulators
Topological insulators, a distinct state of quantum matter are insulating in the bulk and conducting on the surface, with unique counter propagating spin momentum locked surface Dirac states. These surface states of a topological insulator (TI) preserve time reversal symmetry. In this thesis, we studied magneto-transp…
Approches multiéchelles de la modélisation des couplages multiphysiques chemo-magnéto-thermo-mécaniques
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