Results 21 to 30 of about 245,755 (295)

Nanocrystalline M-type hexaferrite powders: preparation, geometric and magnetic propertiess [PDF]

open access: yes, 1994
Co-Ti-Sn-Ge substituted M-type bariumhexaferrite powders with mean grain sizes between about 10 nm and about 1 ¿m and a narrow size distribution were prepared reproducibly by means of a modified glass crystallization method.
Gornert, P.   +29 more
core   +2 more sources

Preparation and sintering properties of lanthanum cerium powders by low temperature solid state reaction

open access: yesFenmo yejin jishu, 2021
La2Ce2O7 precursors were synthesized by the low temperature solid state reaction, using lanthanum nitrate hexahydrate, cerium nitrate hexahydrate, and complexant citric acid as the raw materials. La2Ce2O7 powders were prepared by calcining the precursors
YANG Xin-shuai   +4 more
doaj   +1 more source

Properties of the coating deposited with the diffusion of Mo&O2 oxidized powder using the APS process / Свойства покрытия, нанесенного диффузионнымоксиднымпорошком Mo&O2методом APS / Svojstva prevlake deponovane difuziono oksidiranim prahom Mo&O2 primenom APS procesa

open access: yesVojnotehnički Glasnik, 2017
Powder Mo&O2 has an important role in the production of coatings with increased resistance to slide in conditions without the use of lubricants. Mo&O2 coatings have the low coefficient of friction and good abrasion characteristics in mechanical ...
Mihailo R. Mrdak
doaj   +1 more source

Powders Based on Ca2P2O7-CaCO3-H2O System as Model Objects for the Development of Bioceramics

open access: yesCeramics, 2022
Nanoscale powders of hydrated Ca2P2O7, CaCO3, and a product of mixed-anionic composition containing P2O74− and CO32− anions were synthesized from aqueous solutions of Ca(CH3COO)2, pyrophosphoric acid (H4P2O7), and/or (NH4)2CO3.
Kristina Peranidze   +5 more
doaj   +1 more source

"BAKING POWDER." [PDF]

open access: yesJAMA: The Journal of the American Medical Association, 1884
n ...
openaire   +3 more sources

Preparation of SiC coated graphite composite powders by nitriding combustion synthesis

open access: yesJournal of Advanced Ceramics, 2023
Ceramic-coated graphite powders are considered as effective raw materials to fabricate three-dimensional continuous ceramic skeleton-reinforced graphite matrix composites which can overcome their inherent poor densification and improve their mechanical ...
Biao Zhang   +6 more
doaj   +1 more source

Application of homogeneously precipitated nanosized Fe-doped alumina powders to carbon nanotube growth. [PDF]

open access: yes, 2010
Homogeneous precipitation of hydroxides was investigated as an alternative method to synthesize Fe-doped aluminum oxide (α-Al2−2xFe2xO3) particles over which carbon nanotubes (CNTs) were grown via a catalytic chemical vapor deposition (CCVD) method ...
Flahaut, Emmanuel   +11 more
core   +1 more source

Characterization of Cold-Spray Coatings on Fiber-Reinforced Polymers through Nanoindentation Tests

open access: yesMetals, 2021
Polymer matrix composites are finding never-ending widespread uses in the last decades; one recent tendency is to metallize their surface to further widen their field of application.
Alessia Serena Perna   +4 more
doaj   +1 more source

Luminescence properties of Eu3+ activated Y2MoO6 powders calcined at different temperatures [PDF]

open access: yesProcessing and Application of Ceramics, 2020
In the last decade, an immense progress has been made in white LEDs, mainly due to the development of red-emitting phosphors. In this paper, we report on the synthesis of Eu3+ activated Y2MoO6 by a self-initiated and self-sustained method.
Nadežda Stanković   +6 more
doaj   +1 more source

Beta-glucan content and antioxidant activities of mushroom-derived food supplements [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
Due to the presence of numerous bioactive compounds, including polysaccharides and polyphenols, mushroom-based food supplements are claimed to have many beneficial health effects.
Zrnić-Ćirić Milica   +4 more
doaj   +1 more source

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