Results 31 to 40 of about 206,211 (292)

An Analysis of Household Income in Poland and Slovakia Based on Selected Income Models

open access: yesFolia Oeconomica Stetinensia, 2022
Research background: Studies of income distributions may focus on describing empirical distributions by theoretical models. This approach can be useful for many reasons.
Trzcińska Kamila
doaj   +1 more source

Tres nuevos clones promisorios de caña de azúcar de alta productividad agrícola e industrial

open access: yesAgrisost, 2020
Contexto: En la actualidad es necesario contar con cultivares de caña de azúcar con alto potencial agrícola e industrial a inicios de zafra que permita sustituir aquellos que con muchos años de explotación han disminuido su productividad y resistencia a ...
Yoslen Fernández Gálvez   +6 more
doaj   +3 more sources

The Aging of a Building Versus Its Life Cycle with Regards to Real Estate Appraisal

open access: yesReal Estate Management and Valuation, 2022
Construction objects are subjected to aging processes and other changes and influences during their life cycle. The paper focuses on one of the stages of the life cycle of a developed property - the final part of the service life phase, which is referred
Podwórna Monika
doaj   +1 more source

Opium trade and use during the Late Bronze Age: Organic residue analysis of ceramic vessels from the burials of Tel Yehud, Israel

open access: yesArchaeometry, EarlyView., 2022
Abstract Organic residue analysis was conducted on various vessels from burials at Tel Yehud, Israel. The analyses led to new reliable evidence for the presence of opioid alkaloids and their decomposition products. This research revitalizes a decades‐old discussion on the presence and function of the opium trade across a cultural region of utmost ...
Vanessa Linares   +5 more
wiley   +1 more source

Synthesis of 2-Acylphenol and Flavene Derivatives from the Ruthenium-Catalyzed Oxidative C-H Acylation of Phenols with Aldehydes [PDF]

open access: yes, 2015
The cationic ruthenium hydride complex [(C6H6)(PCy3)(CO)RuH]+BF4− has been found to be an effective catalyst for the oxidative C–H coupling reaction of phenols with aldehydes to give 2-acylphenol compounds.
Aponick   +47 more
core   +2 more sources

A study of digital transformation and MSMEs performance from a spatial perspective: Evidence from China

open access: yesJournal of Economics and Management, 2023
Aim/purpose – Not only have micro, small, and medium enterprises (MSMEs) been regarded as a driving force of the national economy, but they have also become important in promoting innovation and entrepreneurship.
Zheng Bing   +3 more
doaj   +1 more source

Econometric Support of a Mass Valuation Process

open access: yesFolia Oeconomica Stetinensia, 2020
Research background: The issues undertaken in the paper include the specification of an econometric model in real estate mass appraisal. Advantages and disadvantages of using econometric models in real estate mass appraisal are discussed.
Doszyń Mariusz
doaj   +1 more source

Training and Interpreting Machine Learning Models: Application in Property Tax Assessment

open access: yesReal Estate Management and Valuation, 2022
In contrast to the outstanding performance of the machine learning approach, its adoption in industry appears to be relatively slow compared to the speed of its proliferation in a variety of business sectors.
Lee Changro
doaj   +1 more source

Heavy-flavor azimuthal correlations of D mesons

open access: yes, 2013
Observables of heavy-quark azimuthal correlations in heavy-ion collisions are a new and promising tool for the investigation of the in-medium energy loss.
Aichelin, Jörg   +3 more
core   +3 more sources

FORMULATION AND PHYSICOCHEMICAL STABILITY OF 20% GLYCOLIC ACID CREAMS USING POLYACRYLAMIDE, C13-14 ISOPARAFFIN, LAURETH-7 AND COMBINATION OF POLYACRYLAMIDE, C13-14 ISOPARAFFIN, LAURETH 7 WITH A GLUKOLIPID OF VEGETABLE ORIGIN [PDF]

open access: yes, 2011
Glycolic acid is a α-hydroxy acids (AHAs). It are used in skin lightening creams. It were developed formulation of 20% glycolic acid creams. The creams were made using 4% of polyacrylamide, C13-14 isoparaffin, laureth-7 as a thickening agent for cream ...
Aryani, Ni Luh Dewi   +3 more
core  

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