Results 1 to 10 of about 138,520 (188)

F-5M DTA Program [PDF]

open access: yesJournal of Aerospace Technology and Management, 2009
The Brazilian F-5 was submitted to avionics and weapons upgrade. This “new” aircraft has proven to be heavier and more capable. A comprehensive damage tolerance analysis is being performed to evaluate how the new mission profiles and weight distribution ...
Daniel Ferreira V. Mattos   +2 more
doaj   +3 more sources

Ammonia removal by natural and modified clinoptilolite [PDF]

open access: yesJournal of the Serbian Chemical Society, 2022
In this study, cation exchange and acid activation processes were applied to determine the effects of different cationic compositions of clinoptilolite on ammonia adsorption properties.
Günal Aytaç, Erdoğan Burcu
doaj   +1 more source

Age-hardening heat treatment behavior of as-cast Mg�Zn�Al alloys

open access: yesFracture and Structural Integrity, 2021
Magnesium alloys have generated renewed interest as a light alloys; replacing some conventional structural materials for weight reduction in applications like aerospace, automotive and electronics industries.
H. S. Patil, D. C. Patel
doaj   +1 more source

Magnetic properties and nanocrystallization behavior of Co-based amorphous alloy

open access: yesФізика і хімія твердого тіла, 2023
The magnetic properties of the amorphous Co57Fe5Ni10Si11B17 alloy have been studied by a vibrating sample magnetometer. The temperature dependence of saturation magnetization was measured and the Curie point and crystallization onset temperature were ...
Yu. Nykyruy   +4 more
doaj   +1 more source

Structural Characterization of (Mg(1-x)pbxO)-NPs by Modified Pechini Method [PDF]

open access: yesEngineering and Technology Journal, 2022
The structural characterization was discussed in the present paper of the pure MgO nanoparticles and the doped (Mg(1-x)pbxO) nanoparticles specimens, where (0 ≤ x ≤ 0.03). The modified Pechini method was used to prepare all the specimens. From (DTA), the
Israa Najem   +2 more
doaj   +1 more source

Doenças transmitidas por alimentos causadas por Salmonella spp. em ovos comerciais

open access: yesPubvet, 2022
A bactéria Salmonella spp. é um dos principais agentes etiológicos de DTA (doenças transmitidas por alimentos) no Brasil e no mundo, nas quais os ovos e os produtos à base de ovos estão envolvidos em diversos surtos.
Tatiana Pacheco Rodrigues
doaj   +1 more source

The thermophysical properties of primary phase in lithium germanium phosphate glass [PDF]

open access: yesScience of Sintering, 2021
The selected lithium germanium-phosphate glass was prepared by a conventional melt-quenching technique. The XRD method was employed to confirm the glass was obtained and to reveal crystalline phases during heat treatment.
Matijašević Srđan D.   +6 more
doaj   +1 more source

The Effect of Successive Stages of the Melting Process on the Nucleation of Ductile Cast Iron [PDF]

open access: yesArchives of Foundry Engineering, 2023
The article discusses issues related to the melting of grey and ductile cast iron in terms of metallurgical quality. The derivative and thermal analysis (DTA) was used to assess this quality.
J. Kołakowski   +6 more
doaj   +1 more source

Effect of fermentation process on hygiene and perceived quality of lait caillé, an ethnic milk product from Burkina Faso

open access: yesJournal of Ethnic Foods, 2023
Lait caillé is a traditional fermented milk product in Burkina Faso. The objective of this study was to contribute to consumer acceptance of lait caillé.
Geoffroy Romaric Bayili   +5 more
doaj   +1 more source

Research on Mechanical Properties and Durability of Concrete Improved by Pyrite Tailings and Slag

open access: yesKuangchan zonghe liyong, 2022
In order to study the mechanical properties of the pyrite slag in the Northern Guizhou area after replacing the concrete aggregate, the X-ray diffraction instrument was used to analyze the phase and mineral composition of the pyrite tailings slag in the ...
Ka Feng, Xinyu Wang
doaj   +1 more source

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