Materials Literature
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Para que seja possível a instalação de implantes ou a correção de defeitos ósseos, há necessidade de que exista tecido ósseo de boa qualidade. Sem isto, as possibilidades de sucesso nos procedimentos de osteointegração e reabilitações bucofaciais, visando devolver ao paciente o volume ósseo perdido, são muito reduzida…
· Abstract. The sample of a-Fe 2 O 3 synthesized via co-precipitation method. X-ray diffraction (XRD) used to characterized the powder synthesized of the a-Fe 2 O 3 . The sample of a-Fe 2 O 3 was found as nanoparticle materials (NPs), which average size t = 64.0 nm. The maximum temperature was 46 o C and the needed ti…
Vivimos en una época en la que esperamos ir al médico y obtener una pastilla para curar cualquier dolencia que padezcamos; por desgracia, esta expectativa no es real. Aunque muchos de los remedios en uso provienen de fuentes naturales, la mayoría de los nuevos medicamentos son el resultado de la investigación científi…
The process related impurity of Felodipine i.e: Diethyl-4 (2-chlorophenyl) 2,6 dimethyl-1,4-dihydro pyridine 3,5 dicarboxylate was synthesized , characterized and quantified in bulk and formulation. The synthesis of intermediate was carried out by Hantzch process using O-chlorobenzaldehyde, ethylacetoacetate, in prese…
At the nano-scale, loads acting on a nanobeam and its material properties are likely to be not known precisely, i.e., uncertain. In the present paper, the deflection of a nanobeam sub- ject to load and material uncertainties is studied by convex modeling of the uncertainties. The level of uncertainty is taken to be bo…
Lattice dynamics in pyrochlore and defect fluorite type (Eu Nd ) Zr O were investigated using nuclear inelastic scattering by the Eu Mössbauer resonance for x = 0, 0.5, and 0.75 and using inelastic neutron scattering for x = 1. On the basis of the generalized density of phonon states obtained by inelastic neutron scat…
Pseudomonas aeruginosa is extremely harmful to immunocompromised individuals. An atomic force microscope was used to measure the surface forces of this bacteria’s exopolymers. These forces were characterized with the AdG force model, which is a function of brush length, probe radius, temperature, separation distance a…
In the article the influence of the conditions of plating and further thermal treatment on the structure and phase composition of the generated coatings possessing high protective capabilities is considered in regard to the Ni-Mo alloys.
Nanotechnology is a new emerging science and it has enormous opportunities for innovation and development in the food and health food sectors. At the same time, the technology has raised new challenges regarding ensuring consumer safety and communicating the risks and benefits without risking the pace of the new techn…
Diffusion coefficients of biopolymers extracted from Grewia spp. barks in water were studied under various physicochemical conditions. Extractions were carried out on barks of 3 cm in length at different pH (5-9), temperature (25-50°C) and ionic strength (10-3-10-2M), using CaCl2 and NaCl as background electrolytes. F…
The purpose of the present work was to preparation and study of full biodegradable Eco-friendly bio-composites by using renewable resources. In this study, wheat protein isolate (WPI) films were formed by cross linking with resorcinol through solution casting method for packaging applications. By varying the resorcino…
An on-line corrosion rate measurement system was developed using a personal computer, a data acquisition board and program, and a 2-electrode corrosion probe. Reliability of the developed system was confirmed with through comparison test. With this system, the effect of sodium nitrite ( $NaNO_2$ ) as a corrosion inhib…
While most switching devices are based on PN junctions, a single layer can realize a switching device in the case of vanadium dioxide(VOSUB2/SUB) thin films. In this paper, bidirectional current triggering(switching) is demonstrated in a two-terminal planar device based on a VOSUB2/SUB thin film by illuminating the fi…
Abstract In order to meet increasing power demands, electrical capacity of equipment for power transfers should become larger accordingly. The equipment used for producing and delivering high-voltage power is also required to operate with a high degree of reliability. The stable operation of power equipment is a neces…
Contrary to the known 4-(2,4,6-triisopropylbenzoyl)benzoate salts, di-μ-aqua-bis[tetraaquasodium(I)] bis[4-(2,4,6-triisopropylbenzoyl)benzoate] dihydrate, [Na2(H2O)10](C23H27O3)2·2H2O, (1), does not undergo a photochemical Norrish-Yang reaction in the crystalline state. In order to explain this photochemical inactivit…
Tissue redox status is one of the most important parameters to maintain homeostasis in the living body. Numerous redox reactions are involved in metabolic processes, such as energy production in the mitochondrial electron transfer system. A variety of intracellular molecules such as reactive oxygen species, glutathion…
Reactivity of commercial WGS catalyst and four new catalysts(RMC-3, PC-73, PC-67SU, PC-59) manufactured with various compositions by Korea Electric Power Research Institute(KEPCO RI) were compared to select suitable WGS catalyst for SEWGS system. Steam/CO ratio, gas velocity, flow rates of syngas, and temperature were…
아니솔의 안전한 취급을 위해, 폭발한계는 문헌을 통해 고찰하였고, 인화점과 발화지연시간에 의한 발화온도를 측정하였다. 그 결과, 밀폐식 장치에 의한 아니솔의 하부인화점은 $39^{\circ}C$ 와 $42^{\circ}C$ 로 측정되었으며, 개방식에서는 $50^{\circ}C$ 와 $54^{\circ}C$ 로 측정되었다. ASTM E659 장치를 사용하여 자연발화온도와 발화지연시간을 측정하였고, 아니솔의 최소자연발화온도는 $390^{\circ}C$ 로 측정되었다. 측정된 하부인화점에 의한 폭발하한계는 1.07 Vol%로 계산되었다. For the safe handl…
CP 처리의 CBPE 필름의 물리화학적 특성 및 생분해 특성에 대한 영향을 연구하였다. CP 처리는 CBPE 필름의 인장 강도, 신장률, 그리고 광투과도와 같은 물리적 특성에는 영향을 주지 않았으나, air-CP 처리는 CBPE 필름의 유연성, 수분 방벽 특성, 그리고 인쇄적성을 향상시켰다. Air-CP 처리는 저장 중 CBPE 필름 표면의 조도와 O와 N 원소를 포함한 작용기의 양을 증가시켰고, 인쇄적성, 열분해성, 그리고 미생물 분해성을 향상시켰다. 본 연구에서 CP 처리 후 CBPE 필름 표면에서 보여지는 노화 현상을 XPS 결과를 통해 확인할 수 있었다. 본…
Accuracy of designing and producing a micro-force measuring device is 0.1N, through the device, the maximum supporting force of living water striders sample and their legs were measured. The results showed that the maximum supporting force of living water striders is 23.6 times its weight, the maximum supporting force…