Results 21 to 30 of about 302,763 (328)

Synthesis of Hydrophobically and Electrostatically Modified Polyacrylamides and Their Catalytic Effects on the Unimolecular Decarboxylation of 6-Nitrobenzisoxazole-3-carboxylate Anion [PDF]

open access: yes, 1995
A series of hydrophobically and electrostatically modified polyacrylamides (Copol(AM-C12)) has been synthesized by radical-initiated copolymerization of acrylamide with n-dodecylmethyldiallylammonium bromide as the hydrophobe in aqueous solution using ...
Engberts, Jan B.F.N.,, Wang, Guang-Jia,
core   +3 more sources

Un análisis de cambio estructural en la persistencia de la inflación en México usando la regresión cuantílica

open access: yesEl Trimestre Económico, 2018
Antecedentes: Se ha documentado que la persistencia de la inflación en México ha experimentado un comportamiento inestable a lo largo del tiempo en la distribución de la media condicional.
Marco A. Acosta
doaj   +1 more source

Estimating complier average causal effects for clustered RCTs when the treatment affects the service population

open access: yesJournal of Causal Inference, 2022
Randomized controlled trials (RCTs) sometimes test interventions that aim to improve existing services targeted to a subset of individuals identified after randomization.
Schochet Peter Z.
doaj   +1 more source

The exchange rates – indicators for assessing the financial performance of the companies from Romania

open access: yesStudia Universitatis Vasile Goldis Arad, Seria Stiinte Economice, 2016
The research aims to determine the financial performance of the companies listed and traded on the Bucharest Stock Exchange from the manufacturing sector in Romania, compared with the performance recorded by the Bucharest Stock Exchange, based on the ...
Baltes Nicolae   +1 more
doaj   +1 more source

Digital Competencies in Selected European Countries among University and High-School Students: Programming is lagging behind

open access: yesBusiness Systems Research, 2022
Background: Constant integration of digital technologies in economic and social life is rapidly and significantly shaping and changing our environment and ourselves.
Draganac Dragana   +2 more
doaj   +1 more source

Physicochemical characterization and antimicrobial properties of rhamnolipids produced by Pseudomonas aeruginosa 47T2 NCBIM 40044 [PDF]

open access: yes, 2003
7 pages, 2 figures, 3 tables.-- PMID: 12474254 [PubMed].-- Available online Dec 3, 2002.Pseudomonas aeruginosa 47T2, grown in submerged culture with waste frying oil as a carbon source, produced a mixture of rhamnolipids with surface activity.
Espuny, M. J.   +5 more
core   +1 more source

High Resolution X-Ray Imaging of the Center of IC342 [PDF]

open access: yes, 2008
We presented the result of a high resolution (FWHM~0.5'') 12 ks Chandra HRC-I observation of the starburst galaxy IC342 taken on 2 April 2006. We identified 23 X-ray sources within the central 30' x 30' region of IC342. Our HRC-I observation resolved the
Albert K. H. Kong   +9 more
core   +3 more sources

How Google Trends can improve market predictions— the case of the Warsaw Stock Exchange

open access: yesEconomics and Business Review, 2022
The aim of this paper is to investigate interdependencies between the WIG20 index and economic policy uncertainty (EPU) related keywords quantified by a Google Trends search index.
Kropiński Paweł, Anholcer Marcin
doaj   +1 more source

Effects of the Foreign Direct Investment on the Productivity of Latin American Countries (1990-2012)

open access: yesEconomía Teoría y Práctica, 2018
En una dinámica donde la integración económica internacional se encuentra en constante crecimiento, las empresas multinacionales son importantes para entender los mecanismos capaces de inducir un aumento en la productividad.
Ángel Paúl Moreno Plascencia   +1 more
doaj   +1 more source

A study of the relationship between online movie reviews and the intention to watch the movie

open access: yesJournal of Economics and Management, 2022
Aim/purpose – This study explores how the content feature and source of eWOM affect people’s intentions and further analyses the effectiveness of eWOM on people’s intention to watch movies.
Shieh Hwai-Shuh, Lin Szu-Yu
doaj   +1 more source

Home - About - Disclaimer - Privacy