Results 1 to 10 of about 571,919 (313)

Anthriscifolcine A, a C18-diterpenoid alkaloid [PDF]

open access: yesActa Crystallographica Section E, 2011
The title compound, C26H39NO7, which was isolated from Delphinium anthriscifolium var. majus, has a lycoctonine carbon skeleton containing four six-membered rings (A, B, D and E) and three five-membered rings (C, F and G).
Zhi-Jun Song   +4 more
doaj   +3 more sources

Sector of Public Relations Agencies in Poland: Its State and Perspectives After the Covid-19 Pandemic

open access: yesMarketing of Scientific and Research Organizations, 2022
The article is based on the results of research on the sector of public relation (PR) agencies in Poland, which is an important part of the entire PR industry.
Tworzydło Dariusz, Szuba Przemysław
doaj   +1 more source

The Influence of Dissimilarity of Comparables on the Correctness of Estimation in the Comparative Approach Procedure

open access: yesReal Estate Management and Valuation, 2021
The subject of this article is the still relevant issue of the adequate choice of comparables in evaluation procedures within the sales comparison approach.
Zyga Jacek
doaj   +1 more source

Inference in economic experiments

open access: yesEconomics: Journal Articles, 2020
Replication crisis and debates about p-values have raised doubts about what we can statistically infer from research findings, both in experimental and observational studies.
Hirschauer Norbert   +3 more
doaj   +1 more source

Methodologies for Measuring Mobility in Covid-19 Research

open access: yesStudia Ekonomiczne i Regionalne, 2023
The subject of this paper is the mobility research in Europe focused on the COVID-19 pandemic, and the aim is to give a comparative overview on the used methods and datasets of the literature and identify research gaps.
Zsigó Zsanett
doaj   +1 more source

Econometric Models of Real Estate Prices with Prior Information. Mixed Estimation

open access: yesReal Estate Management and Valuation, 2022
The purpose of this paper is to estimate econometric models with sample and prior information. Prices of land property for residential development in Szczecin are modeled (the price level was determined for 2018).
Doszyń Mariusz
doaj   +1 more source

Structural templates for imaging EEG cortical sources in infants

open access: yesNeuroImage, 2021
Electroencephalographic (EEG) source reconstruction is a powerful approach that allows anatomical localization of electrophysiological brain activity.
Christian O'Reilly   +3 more
doaj   +1 more source

A Replication of “The Effect of the Conservation Reserve Program on Rural Economies: Deriving a Statistical Verdict from a Null Finding” (American Journal of Agricultural Economics, 2019)

open access: yesEconomics: Journal Articles, 2023
This study replicates the paper “Brown, J. P., Lambert, D. M., & Wojan, T. R. (2019). The effect of the conservation reserve program on rural economies: deriving a statistical verdict from a null finding. American Journal of Agricultural Economics, 101(2)
Tian Jiarui (Alex)
doaj   +1 more source

Effects of preconditioning and extrusion of linseed on the ruminal biohydrogenation of fatty acids. 2. In vitro and in situ studies [PDF]

open access: yes, 2006
The extent and/or intermediates of ruminal biohydrogenation (BH) of fatty acids (FA) were investigated in vitro and in situ using a raw, pre-conditioned or extruded blend of linseed and wheat bran (70:30).
Akraim, Fowad   +3 more
core   +6 more sources

The dynamics of theories of economic growth: An impact of Unified Growth Theory

open access: yesEconomics and Business Review, 2020
The aim of this paper is to examine a complex pattern of mutual interdependence between Unified Growth Theory (subroutine) and the evolution of the entire field of economic growth theories (main routine) from a philosophical and methodological ...
Kawalec Paweł
doaj   +1 more source

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