Results 11 to 20 of about 146,964 (246)

O3 highlights [PDF]

open access: yesNature Reviews Physics, 2020
As the third LIGO-Virgo operating run (O3) finishes earlier than planned owing to the COVID-19 pandemic, we look at the ups and down of the past 12 months.
openaire   +2 more sources

Competitive potential vs. the competitive position of the high-tech sector in European Union countries

open access: yesInternational Journal of Management and Economics, 2022
Despite a considerable body of research and gathering information on advanced technologies, there is still a study gap concerning its importance from the perspective of international competitiveness.
Juchniewicz Małgorzata, Łada Magdalena
doaj   +1 more source

Is O2*(a1Δg) Formed in the O+O3, H+O3, and NO+O3 Reactions ? [PDF]

open access: yesBulletin of the Chemical Society of Japan, 1980
Abstract An attempt was made to detect O2*(a1Δg) in the reactions of O+O3, H+O3, and NO+O3 using a photoionization mass spectrometer. No significant signals for O2*(a1Δg) were observed in these reactions. From the results, it is concluded that less than 0.06, 0.001, and 0.002 of the reactive collisions result in the production of O2 ...
Nobuaki Washida   +2 more
openaire   +1 more source

Comparison of sludge treatment by O3 and O3/H2O2

open access: yesWater Science and Technology, 2014
This work focuses on the comparison of sludge decomposition caused by ozone (O3) alone and by ozone/hydrogen peroxide (O3/H2O2). The content of carbonaceous organic materials, nitrogenous compounds and phosphoric substances in sludge supernatant were measured.
Zhao, Yuxin   +4 more
openaire   +2 more sources

Mapping Research on User-Generated Content in the Service Sector — A Bibliometric Analysis

open access: yesMarketing of Scientific and Research Organizations, 2023
The Web 2.0 era and the following phases of web development bring new challenges to businesses, but also new opportunities to establish and maintain relationships with market participants, indulge in direct contact with customers and learn about their ...
Wąsowicz-Zaborek Elżbieta
doaj   +1 more source

Degradação de metil e propil parabenos usando sistemas O3/H+, O3/OH- e O3/Mn2+

open access: yesRevista DAE, 2021
Este estudo teve como objetivo avaliar a degradação do metil e propil parabenos pelo processo de ozonização em meios ácido (pH = 5), alcalino (pH = 10) e catalítico (Mn2+, pH = 3). Os estudos cinéticos foram conduzidos a temperatura ambiente (27°C) para uma dosagem constante de 79 g/m3 de O3 na concentração inicial de 50 mg/L.
Eliel Albuquerque Aguiar   +4 more
openaire   +2 more sources

Proposed Research on the Relationships Between Innovation Competitiveness and Export Competitiveness in Central and Eastern European Countries

open access: yesFolia Oeconomica Stetinensia, 2020
Research background: In the contemporary world, innovations are the driving force of economic development and new products, designs, trademarks and creative projects are of key importance to everyday economic decisions.
Salamaga Marcin
doaj   +1 more source

Intelligent Personal Assistant in Business-Context: Key-feature Evaluation for User Acceptance

open access: yesBusiness Systems Research, 2020
The usage of intelligent personal assistants (IPA), such as Amazon Alexa or Google Assistant is increasing significantly, and voice-interaction is relevant for workflows in a business context.
Hüsson Daniel   +2 more
doaj   +1 more source

Digital Business Incubators and Digital Entrepreneurship: The case of Digital Incubation Center in Qatar

open access: yesCroatian Review of Economic, Business and Social Statistics, 2023
This study examines the role of digital business incubators, focusing specifically on the Qatar Digital Incubation Center (DIC), in fostering digital entrepreneurship.
Sonia Chetouane, Hania Chetouane
doaj   +1 more source

Correlación entre diferentes contaminantes atmosféricos de la Ciudad de México y el Área Metropolitana

open access: yesCiencia Ergo Sum, 2020
Se lleva a cabo un estudio de correlación estadística entre datos numéricos correspondientes a la concentración de las partículas suspendidas y a la concentración de gases contaminantes que son obtenidos de las mediciones registradas en la base de datos ...
Israel Gutiérrez González   +3 more
doaj   +1 more source

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