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Systematic Analysis of Flammability Reduction of Polymer Nanocomposites
Polymeric materials are widely used around the world along with high fire hazards due to their flammability. With wide applications of nanotechnology, researchers are currently focusing to develop polymer nanocomposites to enhance their performance in flammability reduction. These flame retardant polymer nanocomposite…
Eu veTb Katkılandırılmış LuBO3 ve LaGdPO4 'ın Radyolüminesans Özelliklerinin Araştırılması
In the family of borate and phosphate, orthoborate lutetium (LuBO3), and lanthanum gadolinium phosphate (LaGdPO4) materials are the new generation materials in optoelectronic devices due to their superior luminescence properties. Some physical and chemical differences occur in nanostructures synthesized by hydrotherma…
Linkage of intermediate damage in metallics to material and fracture models
The main objective of this work was to identify the effect parameters in the method of material testing have on three constitutive models that are commonly used to predict high strain rate, large strain material behaviour. These are the Goldthorpe path-dependent model, the Goldthorpe-modified Armstrong-Zerilli model a…
A Low-Tech, Low-Budget Storage Solution for High Level Radioactive Sources
The need for safe, secure, and economical storage of radioactive material becomes increasingly important as beneficial uses of radioactive material expand (increases inventory), as political instability rises (increases threat), and as final disposal and treatment facilities are delayed (increases inventory and storag…
Application of U10Mo Fuel for Space Fission Power Applications - White Paper
A novel reactor design has been proposed for space applications to provide hundreds of watts to one or two kilowatts of electrical power. The reactor concept proposed uses the alloy U10Mo (uranium with 10 weight percent molybdenum) as the fuel. This fuel was selected for its high uranium density, high thermal conducti…
Synthesis and Evaluation of Carbohydrate Based Cationic Polymers for siRNA Delivery and Tracking
University of Minnesota Ph.D. dissertation. July 2014. Major: Chemistry. Advisor: Theresa Reineke. 1 computer file (PDF); xvii, 202 pages.
Projetos de POO em JAVA
Projetos de POO em JAVA
Évaluation de l'effet structurel de l'impact d'un micrométéorite ou d'un débris orbital sur le bras canadien 2
J'aimerais d'abord remercier mon directeur de recherche, professeur Daniel Therriault, pour ses conseils et son aide tout au long de ce projet.J'évolue au Laboratoire de mécanique multi-échelle (LM 2 ), co-dirigé par Prof. Therriault, depuis mon stage au baccalauréat lors de l'été 2010.C'est dans cet environnement, où…
Visible-light-mediated synthesis of helicenes in batch and continuous flow systems
Le présent mémoire décrit le développement d’une méthode de synthèse des hélicènes catalysée par la lumière visible. Les conditions pour la formation de [5]hélicène ont été établies par une optimisation du photocatalyseur, du solvant, du système d’oxydation et du temps réactionnel. Suite aux études mécanistiques préli…
A computational investigation on NMR Characterization and electronic properties of some zigzag nanotubes
DFT calculations were applied to evaluate the electronic and magnetic properties of zigzag BC2Nnanotubes based on the 13C, 15N, and 11B NMR parameters and natural charge analysis. Weconsidered three types of zigzag nanotubes, ZZ-1, ZZ-2, and ZZ-3 (n, 0) with n = 8, 12, and 14. Theobtained results indicated the divisio…
Experimental investigation and modeling of hot machining operation using high-strength material
High strength work materials have tremendous applications in the field of aerospace, nuclear, biomedical, automotive, etc. It is a challenging task to machine these high strength materials. Costly cutting tools are required to machine those materials. Hot machining is another alternative approach for hot machining tho…
THE POSSIBILITY OF USING LASER-ULTRASOUND TO MONITOR THE QUALITY SOLDERED CONNECTIONS CHAMBERS OF LIQUID ROCKET ENGINES
During the manufacturing process to the design of modern liquid rocket engines are presented important requirements, such as minimum weight, maximum stiffness and strength of nodes, maximum service life in operation, high reliability and quality of soldered and welded seams. Due to the high quality requirements solder…
Molecular structure, substitution effect, solvent effect and properties of niobapyrimidinium complex: A computational study
The structure and properties of niobapyrimidinium complex were examined by density functional theory method (mpw1pw91). The effect of solvent on the structural parameters, frontier orbital energies and hyperpolarizability (�tot) of this molecule has been explored. The thermodynamic properties of the title compound at…
Structural and optical properties of erbium doped phosphate glass containing zinc oxide nanoparticles
Understanding and examining the influence of metallic nanoparticles (NPs) on structural and optical properties of phosphate glass has become tremendous topical interests. A series of glasses with composition (78.5-x) P2O5–10Li2O–10ZnO–1.5Er2O3–(x) ZnO (with 0 = x = 1.2 mol%) were prepared using melt quenching techniqu…
Investigation Of Electrical, Thermal And Structural Properties On Polyacrylonitrile Nano-Fiber
Polymer composite nano-fibers including (1, 3 wt %) silver nano-particles have been produced by electrospinning method. Polyacrylonitrile/N,N-dimethylformamide (PAN/DMF) solution have been prepared and the amount of silver nitrate have been adjusted to PAN weight. Silver nano-particles were obtained from reduction of…
The investigation of static characteristics of resonant converter by combining method of current circuit components
Представлен метод расчета стационарного тока контура и статических характеристик резонансного преобразователя, позволяющий получить ряд характеристик для различных алгоритмов коммутации вентилей и способов регулирования мощности без существенной перестройки расчетных формул.
Preparation and Characterization of Polystyrene-Silver NanocompositeUsing MicroemulsionMethod and its Antibacterial Activity
Polymer nanocomposites containing metals have been used in a wide range of applications due to their versatility, and tunable characteristics including physical, chemical, biological and mechanical properties. In this research work polystyrene-silver nanocomposite has been produced using polymerization of a w/o microe…
Risk assessment of soil compaction in Walloon Region
peer reviewed
Computational Screening Of Functionalized Porphyrins For Dye Sensitized Solar Cells
An efficient dye sensitized solar cell (DSSC) is one possible solution to meet the world’s rapidly increasing energy demands and associated climate challenges. This requires inexpensive and stable dyes with well-positioned frontier energy levels for maximal solar absorption, efficient charge separation, and high outpu…