Results 21 to 30 of about 6,295,783 (305)

Synthesis and characterization of Fe2O3 nanoparticles reinforced to recycled industrial aluminium scrap and waste aluminium beverage cans for preparing metal matrix nanocomposites

open access: yesFracture and Structural Integrity, 2022
Increased material demand in all sectors is primarily due to exponential growth in population to fulfill human needs and comforts. Recycling of collected aluminium beverage cans and Al 6061 alloy scraps from industries ensures significant advantages in ...
Ganesh R. Chate   +8 more
doaj   +1 more source

TEM investigation of YBa2Cu3O7 thin films on SrTiO3 bicrystals [PDF]

open access: yes, 1994
YBa2Cu3O7 films in c-axis orientation on bicrystalline SrTiO3 substrates are investigated by TEM. The films and the substrates are examined in cross-section and in plane view.
Hilgenkamp, H.   +4 more
core   +3 more sources

Sequences of the Genes for the TEM-20, TEM-21, TEM-22, and TEM-29 Extended-Spectrum β-Lactamases [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1999
ABSTRACT The sequences of the bla TEM genes encoding TEM-20, TEM-21, TEM-22, and TEM-29 extended-spectrum β-lactamases were determined. Analysis of the deduced amino acid sequences indicated that TEM-20 and TEM-29 were derived from TEM-1 and that TEM-21 and TEM-22 were derived from TEM-2.
G, Arlet   +3 more
openaire   +2 more sources

What is so super about motion comics?

open access: yesAkademisk Kvarter, 2020
This article explores motion comics through theoretical review of relevant academic work and unique analysis of three sampled motion comic cases. The article intends to illuminate and answer the research question: What is the quality of superhero motion ...
Tem Frank Andersen, Peter Vistisen
doaj   +1 more source

Mechanisms of plastic deformation in light high-manganese steel of TRIPLEX type [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2021
In this scientific publication, research results of two newly developed hot-rolled Fe-Mn-Al-C (X105) and Fe-Mn-Al-Nb-Ti-C (X98) types of steel were compared.
Liwia Sozańska-Jędrasik   +2 more
doaj   +1 more source

Geometric interpretation of the signs of trigonometric ratios with Geogebra

open access: yesAmazônia, 2017
The teaching of Trigonometry has been characterized by an algebraic approach, which has made its study a memoristic and a mechanical process. A content where the previous can be evidenced is the signs of the trigonometric ratios, which tend to be treated
Stephanie Chiquinquirá Díaz Urdaneta   +2 more
doaj   +1 more source

ELECTROMAGNETIC MONITORING DURING THE AFTERSHOCK PERIOD OF THE 2003 CHUYA EARTHQUAKE IN THE MOUNTAIN (GORNY) ALTAI: MEASUREMENT METHODOLOGY, RESULTS

open access: yesГеодинамика и тектонофизика, 2023
The article considers the method of observations, interpretation of data and results of electromagnetic monitoring with a controlled source for one of the seismically active regions of Siberia – Mountain (Gorny) Altai.
A. E. Shalaginov, N. N. Nevedrova
doaj   +1 more source

Gruppeeksamen som strategisk kommunikation

open access: yesCepra-Striben, 2014
Fra 2012 blev gruppeeksamen genindført som lovlig prøveform på alle niveauer af det danske uddannelsessystem. På universitetsniveau repræsenterer genindførelsen en lejlighed til at foretage en universitetspædagogisk refleksion over, hvad det egentligt ...
Tem Frank Andersen, Janne Bang
doaj   +1 more source

Leisure

open access: yesAkademisk Kvarter, 2019
This issue of Academic Quarter on the topic of Leisure brings together scholars from a vast variety of academic fields, having different perspectives on topics relating to leisure as well as investigating different objects, artifacts, and phenomenon in ...
Tem Frank Andersen, Thessa Jensen
doaj   +1 more source

Water Pollution and its Treatment using nanocomposites of graphene oxide (GO 50%) / Zn2+ for different dyes and heavy metals using sol-gel synthesized

open access: yesJournal of Scientific Research in Science, 2023
In this study, Spinel nano ferrite (MFe2O4) ferrite powders were prepared by auto-combustion reaction. Nanoparticles have been synthesized by sol-gel method using citric acid as chemical catalyst while graphene Oxide prepared using Hammer technique and ...
R. Atya, N. Okasha, A.Azab, A.M. Baker
doaj   +1 more source

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