Results 31 to 40 of about 6,547,132 (319)

Influence of surfactants on the formation and growth of cadmium telluride nanoplatelets

Eurasian Journal of Physics and Functional Materials, 2023
The article presents a comprehensive review of the current research on the use of surfactants in CdTe nanoplatelet synthesis, including a discussion of the various types of surfactants that have been used and their effects on nanoplatelet size, shape ...
A.S. Akhmetova, A.K. Ospanova, B.N. Yussupbekova, T.T. Alibay   +3 more
doaj   +1 more source

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

, 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., Shen, Y., Traeholt, C., Wen, J.G., Zandbergen, H.W.   +4 more
core   +3 more sources

Strain and grain size of TiO2 nanoparticles from TEM, Raman spectroscopy and XRD: The revisiting of the Williamson-Hall plot method

Results in Physics, 2018
The Williamson-Hall (W-H) equation, which has been used to obtain relative crystallite sizes and strains between samples since 1962, is revisited. A modified W-H equation is derived which takes into account the Scherrer equation, first published in 1918,
P. Kibasomba, S. Dhlamini, M. Maaza, M. Maaza, Chuan-Pu Liu, M. Rashad, D. A. Rayan, B. Mwakikunga   +7 more
semanticscholar   +1 more source

Synthesis and Studying SomeMechanical Properties of Nanocomposite [PDF]

Engineering and Technology Journal, 2013
This study aims to synthesis a nanocomposite from Al2O3 – Cr2O3 and studying some of its mechanical properties like microhardness and fracture strength. X-Ray diffraction patterns shows a good crystallinity of the composite with very sharp and neat peaks.
Fadhil A. Chyad, Abdul-Raheem K.Abid Ali, Auday A. Mehatlaf   +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

Геодинамика 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

Assessment of the weighted average cost of ecological-environmental equipments in urban transformation processes

Valori e Valutazioni
The process of renewing urban plans always focuses on incorporating the sustainability paradigm into strategic initiatives to counteract climate change. A regulation aimed at implementing Ecological-Environmental Equipment to compensate and mitigate the ...
Vanessa Assumma, David Casagrande, Valentina Cosmi, Stefano Stanghellini   +3 more
doaj   +1 more source

What is so super about motion comics?

Akademisk 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

Geometric interpretation of the signs of trigonometric ratios with Geogebra

Amazônia, 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, Juan Luis Prieto González, Ana Del Valle Duarte Castillo   +2 more
doaj   +1 more source

Onde tem fumaça, tem fogo... cruzado

GV-EXECUTIVO, 2020
De 2013 a 2017, houve um aumento de 29% no número de doações das empresas listadas na bolsa brasileira para organizações não-governamentais – o que está associado à melhora no valor de mercado das companhias.
Marina Gama, Jeferson Lana
openaire   +2 more sources

Gruppeeksamen som strategisk kommunikation

Cepra-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