Results 1 to 10 of about 639,607 (280)
Incandescent combustion synthesis of nanomagnetic Ni/NiO composites [PDF]
Science of Sintering, 2021 This study is the first attempt to large-scale energy-efficient production of nanomagnetic Ni/NiO composites by using the autocombustion based on leaves or extract of corchorus olitorius.
Deraz Nasrallah M.
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Using the BWA (Bertaut-Warren-Averbach) Method to Optimize Crystalline Powders Such as LiFePO4
Mathematics, 2023 The average sizes L¯i, and their dispersion Wi along the i-th axis, of crystallites in powders are used to determine X-ray diffraction sizes, Di XRD, averaged over crystallite columns within the BWA method.
Aleksandr Bobyl +3 more
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Confinement creates a 9 GPa ambience: emergence of cristobalite phases in a silica film
Materials Research Express, 2021 We present here the results of the x-ray fluorescence (XRF), x-ray photoelectron spectroscopy (XPS), Field Emission Scanning Electron Microscopy (FESEM) and Energy Dispersive Analysis of x-rays (EDAX), x-ray Reflectivity (XRR), Secondary Ion Mass ...
Subrata Pramanik +4 more
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Mechanical characteristics and microstructure of salt-rich cement-soil
Shuiwen dizhi gongcheng dizhi, 2021 In order to examine the effect of Mg2+, Cl− and \begin{document}${\rm{SO}}_4^{2-} $\end{document} on the strength of salt-rich cement-soil, a series of unconfined compression tests of salt-rich cement-soil with different curing ages are carried out to ...
Haofeng XING, Hao ZHANG, Haoming LI
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Detailed characterization of the Ti-O based thin films obtained by cathodic arc evaporation
Zaštita Materijala, 2021 Physicochemical properties of thin films on the base of titanium oxides, obtained by a cathodic arc evaporation on the surface of glass substrate are analysed in details.
Vukoman Jokanović +5 more
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, 2021 Abstract The two main particle size components of the dust samples were subjected to mineralogical analysis to identify the mineral constituents and determine their frequency percentage in each textural class; the fine sand (particle size between 0.125 and 0.063 mm) and Mud (less than 0.063 mm).
Ali Al-Dousari, Muntha Bahbahani
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A NEW GAS DIFFUSION ELECTRODE (GDE) WITH A BETTER O2 REDUCTION ELECTROCATALYSTS WITH VERY LOW PT CONTENTS VIA NANO-SIZED PT-COATED NAFION [PDF]
Journal of Petroleum Science and Technology, 2013 In the present study, a new gas diffusion electrode (GDE) (based on Pt/Nafion membrane) is fabricated. The electrochemical results show that the new GDE has the highest electrochemical activity toward the oxygen reduction reaction (ORR) among the three ...
Mostafa Dehghani Mobarake, Ramin Karami
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LANTHANUM (La^3+) SUBSTITUTION FOR Fe^3+ IN Ba–Sr-Ca M-TYPE HEXAFERRITES AND THEIR SYNTHESIS AND CHARACTERIZATION [PDF]
European Journal of Materials Science and Engineering, 2020 We have synthesized three different hexagonal Magnetoplumbite (M) types of ferrites by standard ceramic method at a high temperature of 1403 K. These ferrites are namely Lanthanum La substituted for Fe in Barium (BaLa0.2Fe11.8O19), Strontium (SrLaFe11O19)
Bhupesh T. BORKAR +6 more
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Фізика і хімія твердого тіла, 2023 In this study, Mn(x)Zn(1-x)Fe2O4 ferrite samples with x=0.4 and 0.6 were synthesized using a solid-state method and co-precipitation method. In order to determine the effects of various concentrations (x) on the ferrite's structure, particle size, and ...
A. T. Pathan +3 more
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بررسی اثر روشهای مختلف اختلاط بر خواص مکانیکی کامپوزیت اپوکسی- نانو خاک رس [PDF]
Pizhūhish-i Naft, 2014 در تحقیق حاضر، نانو کامپوزیت اپوکسی رزین با نانوخاک رس از طریق اختلاط مکانیکی و با بهرهگیری از همزن برشی الکتریکی ساخته شد و روشهای رزین اپوکسی تقویت شده با نانو ذره خاک رس اصلاح شده مورد مطالعه قرار گرفت.
مهرداد شجاعی
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