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Poly[diaquabis(μ4-fumarato-κ4O1:O1′:O4:O4′)(μ4-fumarato-κ6O1:O1,O1′:O4:O4,O4′)(μ2-fumaric acid-κ2O1:O4)dipraseodymium(III)]

open access: yesActa Crystallographica Section E, 2011
The title complex, [Pr2(C4H2O4)3(C4H4O4)(H2O)2]n, was synthesized by reaction of praseodymium(III) nitrate hexahydrate with fumaric acid in a water–ethanol (4:1) solution.
Zhuo Zeng   +4 more
doaj   +2 more sources

Poly[(μ6-naphthalene-1,4-dicarboxylato-κ6O1:O1′:O1′:O4:O4′:O4′)iron(II)]

open access: yesActa Crystallographica Section E, 2009
In the title compound, [Fe(C12H6O4)]n, the FeII atom is coordinated by six O atoms from six symmetrically equivalent naphthalene-1,4-dicarboxylate ligands in a strongly distorted octahedral geometry.
Jan Boeckmann   +2 more
doaj   +2 more sources

Poly[(μ4-biphenyl-2,4′-dicarboxylato-κ5O2:O2′:O4:O4,O4′)zinc]

open access: yesActa Crystallographica Section E, 2012
The crystal structure of the polymeric title complex, [Zn(C14H8O4)]n, is composed of layers parallel to (110) formed by linking of Zn–carboxylate chains with biphenyl units of the biphenyl-2,4′-dicarboxylate (bpdc) ligands.
Yu-Guang Tian
doaj   +2 more sources

Diagnostic performance of large language models on the NEJM image challenge: a comparative study with human evaluators and the impact of prompt engineering [PDF]

open access: yesFrontiers in Medicine
IntroductionMultimodal large language models (LLMs) that can interpret clinical text and images are emerging as potential decision-support tools, yet their accuracy on standardized cases and how it compares with human performance across different ...
Yuchen Zhou   +4 more
doaj   +2 more sources

The validity of Wagner’s law in Egypt from 1960–2018 [PDF]

open access: yesReview of Economics and Political Science, 2021
Purpose – One of the main theories regarding the relationship between government expenditure and gross domestic product (GDP) is Wagner’s law. This law was developed in the late-19th century by Adolph Wagner (1835–1917), a prominent German economist, and
Noha Hesham Ghazy   +2 more
doaj   +1 more source

A New Sustainability Model – A Four Essential Quadrants Framework

open access: yesEconomics and Culture, 2021
Research purpose. This paper will present contemporary ideas on how, when, and where the four quadrants are vital to the sustainability of an organization and central to the future of the entity.
Fioravante Philip L.
doaj   +1 more source

Virulence, Antimicrobial Susceptibility, Molecular and Epidemiological Characteristics of a New Serotype of Vibrio parahaemolyticus From Diarrhea Patients

open access: yesFrontiers in Microbiology, 2020
Vibrio parahaemolyticus is the main pathogen of food-borne diarrheal in coastal areas. Through the study of pathogen characteristics of 1870 V. parahaemolyticus, the isolation rate of O4:KUT had increased significantly since 2013.
Qiaoyun Zhu   +17 more
doaj   +1 more source

CO2 Emissions and Economic Growth in Some Selected Countries of Ecowas: Panel Data Approach

open access: yesECONOMICS, 2023
Climate change and its impact on economic growth or vice versa is an important burning issue in the present world and therefore the present world and its population, especially in West Africa, are bound to face various calamities in recent times and the ...
Khan Bhola
doaj   +1 more source

Asymmetry Relationship between Economic Growth and Unemployment Rates in the Arab countries: Application of the OKUN Law during 1960-2017

open access: yesManagement, 2021
A well-known macroeconomic relationship is called the OKUN Law, which states that the negative correlation between unemployment rates and raw domestic output can be determined.
Louail Bilal, Ben Haj Hamida Hayet
doaj   +1 more source

Education and inclusive growth in West Africa [PDF]

open access: yesJournal of Economics and Development, 2020
Purpose – Many West African countries face the challenge of growth inclusiveness. The region is also facing challenges of equipping its teeming population with high-quality skills despite many reforms and initiatives introduced in the past.
Oluwatosin Adeniyi   +2 more
doaj   +1 more source

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