Materials Literature
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For the first time nanostructured engineering ceramics were prepared from natural zirconia mineral (baddeleyite) with CaO as a tetragonal phase stabilizer. The effect of synthesis conditions on microstructure and mechanical properties of the baddeleyite-based ceramics is reported, furthermore, the effect of calcia con…
In this paper, the anticorrosive properties of perfluorooctanoic acid (PFOA) on Q235 mild steel corrosion were estimated in simulated seawater. XRD and EDS results showed that PFOA could penetrate the rust layer and adsorb on the surface of steel and destroy rust layer. Our polarization measurements revealed that PFOA…
Force fields and MD systems for phosphorene in EMIM BF4
SO42-/ Al-Fe-activated solid acid catalysts had been prepared in different conditions using cross-linking method, and characterized by XRD, BET, FTIR spectra and TG-DTA. The catalyst performed highly catalytic activity in the hydration of turpentine to α-terpineol.
Liquid-liquid phase separation (LLPS) in the rapidly solidified Fe71Cu10P10B9 alloy under different casting conditions is investigated based on the XRD, DSC, and SEM measurements. It is found that during rapid solidification process, Cu-rich globules precipitated in the matrix which mainly consists of α-Fe and Fe3B0.8…
Bismuth ferrite is one of the most promising ternary metal oxides with various functionalities. As compared with TiO 2 (P25, Evonik) catalyst, which can only be activated under the radiation of UV region, multifunctional bismuth ferrite can induce photocatalysis under visible-light irradiation and also exhibits magnet…
Andrei Kolmakov and co-workers demonstrate a facile dropcasting technique for encapsulation and adhesion of micro- and nanoobjects on arbitrary substrates, stencils, and microstructured surfaces by ultrathin graphene oxide membranes in article 1600734. Such membranes are mechanically robust, chemically protective, and…
In the past four years of my graduate studies, I would like to thank many people
In this research, the effects of main parameters such as speed of agitator, concentration and redium change ratio on the grinding effect were studied by the method of wet-grinding. The powder was characterized and analyzed by means of particle size analysis and scanning electron microscope. The results show that the m…
The automotive emission has become the main source of the air pollution in cities. How to remove NOx effectively is the key and difficult point in the control of automobile exhaust. In this work, sol-gel was applied to prepare NOx purification catalyst, LaCoO3 which was doped with strontium (Sr) and iron (Fe). The ave…
A facile green method to synthesize fluorescent Ag nanoclusters (NCs) has been developed by employing glutathione (GSH) as capping agent as well as reducing agent. The fluorescent nanocomposites powder possesses strong emission and excellent stability. By changing the mole ratios of glutathione to silver precursor, na…
This work shows experimental and theoretical results of the characterization of a nematic liquid-crystal spatial light modulator Sony model LCX038ARA for the parameters angle of molecular rotation, the birefringence and angle of the molecular axis, using the retarder-rotor model without electric field applied in the a…
Development of modern high-end coatings is a challenge. At this point, the problem of the range and quality of corrosion-resistant materials is one of the most serious in the Russian paint industry. The article deals with some aspects of obtaining anticorrosive materials, applied and operated in adverse conditions. Bi…
Herein,\nwe investigate the use of proteins with tunable DNA modification\ndistributions to modulate nanoparticle superlattice structure. Using\nbeta-galactosidase (βgal) as a model system, we have employed\nthe orthogonal chemical reactivities of surface amines and thiols\nto synthesize protein–DNA conjugates with 36…
Our collaborative lab group has conceptualized the 'artificial placenta', a lung assist device (LAD) for preterm and term neonates suffering from respiratory insufficiency. The device is connected to the infant by reopening the umbilical vessels, drawing blood through the extracorporeal LAD and back to the body using…
This thesis concerns the study of charge transport in organic semiconductors. These materials are widely used as thin-film photoconductors in copiers and laser printers, and for their electroluminescent properties in organic light-emitting diodes. Much contemporary research is directed towards improving the efficiency…
Effective treatment of metastatic tumours is hampered by poor distribution of small molecule chemotherapeutic drugs to distal sites of metastatic growth. This thesis has examined the potential for nano-sized drug carriers, and in particular dendritic polymers or dendrimers to enhance the exposure of chemotherapeutics…
Salah satu karakteristik industri peleburan logam ferrous adalah besarnya jumlah limbah yang berupa slag/terak. Apabila slag yang dihasilkan tidak dikelola dengan baik dapat menimbulkan masalah lingkungan. Tujuan penelitian ini adalah memanfaatkan campuran slag baja dari PT Ispatindo sebagai bahan substitusi agregat h…
The potential energy surface (PES) scan was performed for 5-formyl-1h-pyrrole-2-carboxylic acid (FHPC) molecule and the most stable optimized molecular structure was predicted using DFT/B3LYP method with 6-31G basis set. The theoretical vibrational frequencies were calculated for the optimized FHPC molecule using DFT/…
It is a necessity of modern forging industries to explore new materials for hot forging dies, which gives better quality of forging with extended fatigue life and less economic aspects. L6 Steel is one of the material for modern metal forming industries, which mollifies all the benchmarks and requirements. Pre-Mature…