Materials Literature
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A tendência por unidades de produção mais sustentáveis vem obrigando a indústria de alumínio a adotar estratégias para reduzir o consumo de energia e minimizar a geração de resíduos. Procedimentos nesta direção têm sido implementados em fornos de cozimento de anodo, onde alguns aprimoramentos têm permitido a redução n…
Recently, increasing attention has been paid to beads, an innovative self-assembled drug delivery system prepared from cyclodextrins and oils. Beads are new core-shell minispheres containing poorly water-soluble drugs or lipophilic drugs dissolved in the lipid core without the use of organic solvents and surfactants.…
Pengelingan adalah proses penyambungan antara 2 plat dan 3 plat dengan menggunakan plat almunium 2024. Dalam penelitian ini hasil pengujian tarik paku keling 4 lebih tinggi daripada paku keling 2 dengan selisih setengah tarik maksimum sebesar 25,22 N/mm2. Kekuatan tarik pengelingan 4 sebesar 428,94 N/mm2dan pengelinga…
Les connaissances sur l'écologie reproductive de l'éperlan arc-en-ciel dulcicole du lac Saint-Jean ont été rassemblées et consolidées à la demande du comité scientifique pour la gestion des ressources halieutiques et de la pêcherie dans l'Aire faunique communautaire du lac Saint-Jean. L'objectif de ce projet était de…
Two novel rare earth tungstosilicic polyoxometalate containing 5-fluorouracil, K26 (C4 H4 FN2O2)8Pr (SiW11 O39)4 x 10H2O (FPSW) and K26(C4H4FN2O2)8Sm(SiW11O39)4 x 9H2O (FSSW), were synthesized and their structure were characterized by using elemental analysis, FTIR spectra, X-ray powder diffraction and TG. The antitum…
Porous microsphere (PM) has become an outstanding drug carrier due to its unique properties. The preparation of PM can be realized with traditional methods such as spray drying and emulsion process, which are effective and well developed. However, the removal of organic solvent is the key problems for the mentioned me…
The problem of solid-liquid interface morphology which plays an important role in crystal growth is a moving boundary.Whereas coupled with melt convection especially directed with forced convection caused by crystal rotation,moving boundary problem is composed of factors that contain third-party coupling in Cz-Si syst…
The purpose of this paper is to treat the reducing sulfide in the real wastewater and azo dyes in the dying wastewater.By building a dual-chamber microbial fuel cell(MFC),the sulfur-oxidizing bacteria were inoculated in the anode chamber and the methyl orange(MO) was as an electron acceptor in the cathode chamber,achi…
In this study, physical vapor deposition (PVD) Ti-Cr-N coatings were deposited at two different temperatures 100 and 400oC on hardened and tempered tool steel substrates. The influence of the applied deposition temperature on the physical and mechanical properties of coatings such as roughness, thickness, phase compos…
The Medium Energy Ion Scattering facility at the Daresbury Laboratory, one of only afew such facilities in the world, has served the UK community since 1996. It provided a50-400 keV ion beam and a very comprehensive experimental station where samples could bestudied and the energies and angles of the scattered ions me…
In the present study, the corrosion behavior of AISI 347 austenitic stainless steel to ASTM A335 low alloy steel dissimilar joint was investigated. For this purpose, two filler metals, ER309L and ERNiCr-3, were selected to be used during the gas tungsten arc welding process. To investigate the corrosion behavior of th…
In this study, the effects of nitrogen addition on the production of ultrafine/nano grained AISI 201L stainless steel by advanced thermo-mechanical process were investigated. Cast samples were first homogenized at 1200 °C for 4 h, hot-rolled at 1100 °C and finally, solution-annealed at 1150 °C for 2.5 h. Unidirectiona…
A study on the effects of deposition rate and Si content on the mechanical and electrical properties of Au-Si films has been performed. Au-Si films were synthesized by electron beam evaporation on (100) Si substrates at the Center for Integrated Nanotechnologies at Los Alamos National Laboratory. The Au and Si were si…
Application of agricultural lime is the most frequently recommended method for managing low soil pH; however, in-furrow phosphorus (P) fertilizer or pelletized lime are also commonly used to ameliorate soil acidity. The objectives of this study were to evaluate three soil acidity amendment strategies for winter wheat…
The semiconductor properties of passive films formed on AISI 321 stainless steel (AISI 321) in six acidic solutions under open circuit potential (OCP) conditions were evaluated by potentiodynamic polarization, Mott- Schottky analysis and electrochemical impedance spectroscopy (EIS). Mott-Schottky analysis revealed tha…
In recent years, carbon nanotubes (CNTs) have attracted and continue to attract considerable interest in a wide variety of scientific files. Especially well-arrayed CNTs are highly desired to prepare chemical sensors, nanoprobes for scanning probe microscopy, field emitter devices. We performed the vertical alignment…
Europium is a fission product in the low-yield tail at the high end of the fission fragment mass distribution. The stable isotopes have mass numbers 151 and 153. Of the rare earth metals, europium is the most reactive in air, making it a challenge to prepare samples in metallic form. Eu and Eu are lanthanides with sub…
The eccentricity connectivity index of a molecular graph G is defined as (G) = aV(G) deg(a)e(a), where e(a) is defined as the length of a maximal path connecting a to other vertices of G and deg(a) is degree of vertex a. Here, we compute this topological index for some infinite classes of dendrimer graphs.
In this communication, we have presented the geometry optimization, complete vibrational study with potential energy distribution (PED) and frontier orbital energy gap for the 10-Acetyl-10H-phenothiazine 5-oxide (APTZ) molecule using ab initio Hartree-Fock (HF) and density functional theory (DFT/B3LYP) method employin…
ویژگی آب دوستی بالا، یکی از مهمترین مشکلات پلاستیک های بسته بندی بر پایۀ بیوپلیمرهاست و ترکیب آن ها با پلیمرهای سنتزی سازگار با آن ها و استفاده از نانوذراتی مانند نانورس به عنوان پرکننده، روشهای بهبود دهنده ای هستند که در سال های اخیر مورد توجه گسترده ای قرار گرفته اند. یکی از ارزان ترین بیوپلیمرها که کاربرد گسترده ای…