Results 51 to 60 of about 303,192 (319)

Methyl on the Bridge: 2‐Methyl Propellane as Precursor for 1,3‐Substituted 2‐Methylated Bicyclo[1.1.1]Pentanes

open access: yesChemistry – A European Journal, EarlyView.
The synthesis of 2‐methyl propellane and its conversion to various 1,2‐ and 1,2,3‐di‐ and trisubstituted bicyclopentanes is reported. Abstract Bicyclo[1.1.1]pentanes (BCPs) have emerged as isosteric replacements for mono‐ and para‐substituted benzene rings in medicinal and materials applications, involving substitution at the BCP bridgehead (1,3 ...
Sean R. Verschaeve   +4 more
wiley   +1 more source

Using Financial and Sustainability Ratios to Map Sectors. An Approach With Compositional Data

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The article aims to visualize in a single graph Spanish fish and meat processing companies with respect to solvency, energy, waste and water intensity and gender employment gap. These financial, environmental, and social indicators are ratios, which require specific statistical analysis methods.
Elena Rondós‐Casas   +3 more
wiley   +1 more source

Enhancement of the Plant‐Accessible Phosphate Fraction in Sewage Sludge Ashes by Na+ or K+ Addition Prior to Combustion

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The addition of Na2CO3 or K2CO3 to sewage sludge prior to combustion leads to the production of ashes containing phosphate in the form of buchwaldite‐like phases (Ca(Na/K)PO4). Compared to conventional sewage sludge mono‐ashes, such Na‐ or K‐ashes show greatly increased P‐solubilities and proved to be potent P‐fertiliser materials in greenhouse ...
Lorenz Bier‐Schorr   +4 more
wiley   +1 more source

Katastrofe i migracije: kritičko-hermeneutički pristup

open access: yesMigracijske i etničke teme, 2014
Polazeći od Sorokinova dualističkog (»unutrašnjeg« i »vanjskog«) objašnjenja kretanja te od proširenoga kritičko-hermeneutičkog poimanja svijeta života, u radu se najprije analiziraju neki primjeri mitologema/ideologema o migracijama.
Vjeran Katunarić
doaj   +1 more source

Rational use of antibiotics in stationary health care institution: Case study [PDF]

open access: yesArhiv za farmaciju, 2015
Between 25% and 50% of hospitalized patients receive antibiotics. Some studies estimate that 25-68% of hospital antibiotic prescribing is suboptimal. The aim of this study was to analyse antibiotic use in Medical Center 'Bežanijska Kosa'.
Brkić Jovana   +2 more
doaj   +1 more source

Recreational Drug Use at a Music Festival: A Dual Approach Using Hair Biomarkers Analysis and Participant Self‐Reported Drug Use

open access: yesDrug Testing and Analysis, EarlyView.
Combined self‐report and hair analysis in festival attendees (n = 249) revealed substantial discrepancies in drug use reporting, particularly for stimulants and dissociatives. This integrated approach enhances detection of poly‐drug use and provides a more reliable basis for monitoring and harm‐reduction strategies.
A. Y. Simão   +4 more
wiley   +1 more source

Razvoj poduzetništva [PDF]

open access: yes, 2021
The roots of entrepreneurship go back to the times of the Arabs, Babylonians, Egyptians, Jews, Greeks, Phoenicians and Romans. The first record of entrepreneurship appeared 4,000 years ago. The record describes the procedure for lending money to bankers with interest. The former notion of entrepreneurship is different from today. Contemporary trends in
openaire   +1 more source

Polycarbazole–NiOOH Interfacial Engineering of BiVO4 Photoanodes for Efficient and Stable Solar Water Splitting

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A π‐conjugated carbazole (p‐CBZ) layer is electro‐polymerized on BiVO4 to form a p–n heterojunction that enhances charge separation and suppresses surface recombination, while a NiOOH co‐catalyst accelerates oxygen evolution kinetics. The synergistic BVO/p‐CBZ/NiOOH photoanode delivers a high photocurrent density and long‐term stability for efficient ...
Lakshman Sundar Arumugam   +11 more
wiley   +1 more source

Breda Filo and her contribution to the development of the Slovenian librarianship

open access: yesKnjižnica, 2007
The article describes the contribution of Breda Filo to the development of Slovenian librarianship. She researched and published articles concerning library systems, typology of libraries and library organization.
Irena Sapač
doaj   +1 more source

Influence of silicone oil tamponade after vitrectomy on intraocular pressure [Tamponada silikonskim uljem i njezin utjecaj na vrijednosti intraokularnog tlaka] [PDF]

open access: yes, 2013
The aim of this prospective study was to determine the possible influence of the silicone oil tamponade after vitrectomy on the early intraocular pressure (IOP) elevation, which is a major risk factor for developing secondary glaucoma in patients with ...
Barać, Josip   +5 more
core  

Home - About - Disclaimer - Privacy