Materials Literature
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Polymorphism, the ability of a substance to crystallize in two or more different structures, is a fundamental issue in the Pharmaceutical Industry because API’s can indeed afford multiple solid phases. As different crystalline forms can have different properties, polymorphic identity can have influence on processabili…
The electrochemical performances of a single cell molten carbonate electrolyte direct carbon fuel cell (MCDCFC) using miscanthus and switchgrass biomass carbon fuels subjected to hand and ball milling treatments are presented in this paper. Conventional direct carbon fuel cell (DCFC) uses carbon derived from coal, a f…
Insulating material in outdoor insulation may be exposed directly to the environment and be subject to various stresses like humidity, leakage currents, electrical surface discharges, UV radiation and acid exposure. Usually, micro-sized inorganic fillers are used to improve the resistance of polymeric insulating mater…
用等离子弧在AZ31镁合金表面喷涂Al+Al2O3粉末,制备Al/Al2O3复合材料涂层。观察分析不同粉末配比时涂层的划痕试验结果、SEM照片以及XRD衍射数据,确定Al+Al2O3的合理配方。通过正交试验设计,分别对涂层密度、显微硬度和沉积率等指标进行分析,最后确定制备复合材料涂层的最优工艺参数。
Bei einem Bauteil, welches durch einen Tiefziehprozess hergestellt wurde, tritt wahrend der Entnahme aus dem Werkzeug eine Ruckfederung auf. Diese entsteht aufgrund des dabei freigesetzten elastischen Anteils des Bauteilwerkstoffs. Die Ruckfederung ist ein wichtiger Faktor, der die Qualitat der umgeformten Bauteile en…
In this work, two conductive nanotube-based films are fabricated and tested as new types of heating elements for welding of thermoplastic polymers using microwave and induction welding processes.
Z metodami DSC in TGA smo preucevali termicne lastnosti paracetamola (PCM) in polietilen glikola (PEG) razlicnih molskih mas ter njihovih razlicnih mesanic. Spremljali smo spremembe talilnega pika PCM enostavnih fizikalnih mesanic glede na cisto ucinkovino, pripravljenih z mehanskim mesanjem v ahatni tarilnici in prip…
Photo)catalytic propylene hydration to 2-propanol and glycerol dehydration to acrolein reactions were carried out by using Keggin heteropolyacids (HPAs) supported on TiO2. Binary materials have been prepared by impregnation of H3PW12O40, H3PMo12O40 and H4SiW12O40, on TiO2 Evonik P25. Moreover, a binary material consis…
Water oxidation to dioxygen is a key step common to most artificial photosynthetic reaction schemes.[1,2] Photocatalytic water oxidation can be accomplished in homogeneous systems upon irradiation of aqueous solutions containing a sensitizer, a sacrificial electron acceptor, and a catalyst. In such systems two photoch…
Impact-induced brittle structures have been studied in relation to the Ries impact crater. In 2D and on various scales, the fracture patterns and fragment size distributions are statistically self-similar, i.e. ‘fractal’. Around the impact, four typical fragmentation structures have been identified. Their characterist…
Electrospinning is a fascinating technique to fabricate micro-/nano-scale fibers using a wide variety of materials.Molecular entanglement of the polymer solution was found to be an essential prerequisite for electrospinning.1,2 In this study, poly lactic-co-glycolic acid (PLGA), one of the most widely used polymers in…
We present a comprehensive study of the exchange bias phenomenon (EB) in an antiferromagnetic (AF)/ferromagnetic (FM) continuous film and in arrays of square dots with different size (D), aimed at elucidating thermal and spatial confinement effects on the AF/FM exchange coupling and their correlation with the AF struc…
V magistrskem delu smo preucevali vpliv deleža dopanta gadolinija oziroma disprozija na strukturne in magnetne lastnosti Mg-Ti ferita ter hkrati primerjali dopirane delce z nedopiranimi. Za sintezo spinelnega ferita smo uporabili metodo koprecipitacije, vzorce pa smo nato se dodatno temperaturno obdelali s postopkom k…
Catalytic and catalytic photo-assisted dehydration of 2-propanol to form propene in gas-solid regime at atmospheric pressure and 80°C was carried out by using a Keggin heteropolyacid H3PW12O40 (PW12) supported on different oxides. Binary materials have been prepared by impregnation of PW12 on different commercial and…
The basal lamina acts as a highly selective filter for compounds passing from the blood stream into the connective tissue and vice versa. Despite the important regulatory function of the basal lamina, the detailed physical mechanisms responsible for this selectivity are still not fully understood. In this thesis, diff…
Postupcima prociscavanja otpadnih voda generira se mulj, neizbježan nusprodukt svih tehnoloskih procesa na uređajima za prociscavanje otpadnih voda (UPOV) te ga je u skladu sa zakonskom regulativom potrebno adekvatno obraditi i zbrinuti na ekoloski prihvatljiv nacin. U vecem dijelu Europske unije (EU) problem zbrinjav…
The egg capsule from the marine snail Busycotypus canaliculatus is a bioelastomer that possesses unique biomechanical properties. It is highly elastic and relatively stiff in comparison to both synthetic and natural elastomeric materials, and exhibits a remarkable capability to absorb mechanical energy during loading/…
Virtually all material properties of a solid are determined by its electronic structure.This in turn results from the fundamental interaction principles of electrons with each other and with the ions in the crystal.Due to the fermionic nature of the electrons every state can include two electrons and all states up to…
FeCo Nanoparticles coated with (Fe,Co)3O4 (Magnetite doped with cobalt) were synthesized by the chemical route known as Sol-Gel Protein. The synthesized materials were characterized by thermogravimetry (TG), X-Ray Diffraction (XRD), Vibrating Sample Magnetometry (VSM), Mössbauer spectroscopy, Scanning Electronic Miscr…
A new fluorescent electrospun fiber polymer 1-(2-Pyridylazo)-2-naphthol (PAN) − poly(acrylic acid) (PAA) previously synthesized by covalent functionalization of PAN into PAA and electrospinning technique was applied for Cd 2+ probe via fluorescence enhancement due to coordination of the metal ion. The fluorescent indi…