-
521
Modele dyskryminacyjne w ocenie ryzyka upadłości emitentA OBLIGACJI KORPORACYJNYCH
Published 2018-07-01“…Na podstawie wyselekcjonowanych modeli przeprowadzono badania empiryczne na grupie pięciu celowo dobranych spółek reprezentujących emitentów obligacji korporacyjnych notowanych na rynku Catalyst. Przeprowadzone analizy skłoniły do wniosku, że największą skutecznością w zakresie identyfikacji ryzyka upadłości emitenta obligacji korporacyjnych charakteryzował się model B. …”
Get full text
Article -
522
Mettre en œuvre la transition écologique par l’accompagnement des initiatives citoyennes
Published 2024-09-01“…Through the hypothesis that the ecological transition imperative is a possible catalyst for the rise of new ways to “work-together” and within the framework of the popsu Territoires program, we are studying the case of Volonne, engaged since 2014 in a multifaceted transition dynamic. …”
Get full text
Article -
523
Aquathermolysis of heavy oil catalyzed by transition metal salts and clay
Published 2023-09-01“…Therefore it is reasonable to believe that the minerals in reservoirs may act as a catalyst support with the metal-containing catalyst added from outside during the thermal recovery of heavy oil. …”
Get full text
Article -
524
Aqueous photocatalytic oxidation of lignin and humic acids with supported <mml:math> <mml:mrow> <mml:msub> <mml:mrow> <mml:mtext>TiO</mml:mtext> </mml:mrow> <...
Published 2006-01-01“…The photocatalytic efficiency with the photocatalyst attached to glass plates was about 3 to 4 times higher than that for the buoyant catalyst. Ferrous ions added to acidic solutions did not increase the rate of PCO of humic acids. …”
Get full text
Article -
525
Catalytic Screening for 1,2-Diol Protection: A Saccharose-Derived Hydrothermal Carbon Showcases Enhanced Performance
Published 2025-01-01“…The catalyst could be easily recycled and reused several times. …”
Get full text
Article -
526
Illegal occupations of public buildings. As legitimate cohabitation models
Published 2018-12-01“…Located in an occupied public building in Rome’s historical centre, Spin Time Labs is a temporary cohabitation model and an urban regeneration catalyst.…”
Get full text
Article -
527
Le déploiement d’un Système d’Information pour la coordination gérontologique de proximité dans le Haut-Rhin : une expérience encore perfectible
Published 2023-05-01“…The IS is thus an analyzer of the power relations between actors at the departmental level, as well as a catalyst for much more modest changes than those postulated, which were already in progress.…”
Get full text
Article -
528
Rod-Shaped Magnetite Nano/Microparticles Synthesis at Ambient Temperature
Published 2013-01-01“…This economical synthesis route is scalable, and Fe3O4 particles can be exploited for various applications such as MRI contrast enhancement, biodiseperations, Ni-Fe batteries, and as a catalyst.…”
Get full text
Article -
529
Thermal Degradation Study of Salicylic Acid, Diaminonaphthalene and Formaldehyde Terpolymer
Published 2009-01-01“…The terpolymer resin salicylic acid-diaminonaphthalene-formaldehyde (SDNF) has been synthesized by the condensation of salicylic acid and diaminonaphthalene with formaldehyde in the presence of catalyst hydrochloric acid in 1:1:2 molar proportions of reactants. …”
Get full text
Article -
530
One Pot Synthetic Method of New Keto Diphenyl Selenide Compounds
Published 2010-01-01“…A series of hitherto unreported mono- and di-keto diphenyl selenides have been efficiently synthesized in high yields by treatment of diphenyl selenide (1) with appropriately substituted acyl chloride using anhydrous aluminum chloride as catalyst and methylene chloride as solvent. The structures of the synthesized compounds have been confirmed by elemental and spectral analysis.…”
Get full text
Article -
531
Ethylene Polymerization through Neutral Nickel Complexes Bearing Cyclic Imides
Published 2022-01-01“…The catalyst synthesis of salicylaldimine Ni(II) complexes with bulky imide moieties, ethylene polymerization, and characterization of synthesized polyethylenes are described in this paper. …”
Get full text
Article -
532
Àrẹ Lekan Àrẹ: A Tribute to a Warrior for all Battles
Published 2021-12-01“…You—father, mentor. You—Achiever. Catalyst. …”
Get full text
Article -
533
OPTIMUM PRODUCTION AND CHARACTERIZATION OF BIODIESEL FROM MICROCYSTIS AERUGINOSA ALGAE
Published 2021-01-01“…The extracted algal oil was subjected to chemical transesterification using ethanolic-NaOH as catalyst and the biodiesel yield was 89.76 %. Fourier Transform Infrared Spectroscopy (FTIR) carried out on the produced biodiesel showed strong intensity of –C=O ester bond. …”
Get full text
Article -
534
MUNICIPAL BOND AS A SUPPORTING TOOL OF REGIONAL ECONOMIC DEVELOPMENT IN POLAND
Published 2015-12-01“…The research is based on the data from Ministry of Finance, ECB, Central Statistical Office and the platform CATALYST. The analysis indicates that in Poland the level of bonds` usage by municipalities is lower than the EU average. …”
Get full text
Article -
535
An Efficient Oxidation of Benzoins to Benzils by Manganese(II) Schiff Base Complexes Using Green Oxidant
Published 2013-01-01“…A simple, highly efficient and mild catalytic oxidation of benzoins to the corresponding benzils was developed using manganese(II) Schiff base complexes as novel and reusable catalyst in the presence of acetonitrile as solvent and H2O2 as green oxidant. …”
Get full text
Article -
536
One-Pot Synthesis of Tetrasubstituted Imidazoles Catalyzed by Preyssler-Type Heteropoly Acid
Published 2011-01-01“…A simple one-pot four-component synthetic method was reported for the preparation of tetrasubstituted imidazole derivatives from benzil, aromatic aldehydes, primary amines and ammonium acetate in the presence of Preyssler-type heteropoly acid catalyst. This method was proved to be eco-benign, easy work-up, convenient, relatively short reaction times and the products were isolated with high yields.…”
Get full text
Article -
537
One-Pot Synthesis and Antimicrobial Activity of Novel α-Aminophosphonates Using TMG
Published 2011-01-01“…α-Aminophosphonates (4a-j) were synthesized in one-pot simultaneous reaction of 4-bromo-3-methyl benzenamine (1), dimethylphosphite (3) and different aromatic aldehydes (2a-j) by Kabachnik-Fields reaction in the presence of tetramethylguanidine (TMG) (10 mole%) as catalyst in toluene at reflux temperature afforded 4a-j in good yields. …”
Get full text
Article -
538
An Efficient Photocatalytic Degradation of Methyl Blue Dye by using Synthesised PbO Nanoparticles
Published 2012-01-01“…The photodegradation of dye was monitored as a function of dye concentration, pH and catalyst amount has been determined. The reduction in the chemical oxygen demand (COD) revealed the mineralization of dye along with colour removal.…”
Get full text
Article -
539
One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones Catalyzed by Chlorosulfonic Acid
Published 2005-01-01“…An efficient synthesis of 3,4-dihydropyrimidin-2-ones (DHPMs) from the aldehydes, β-ketoesters and urea in ethanol using chlorosulfonic acid as the catalyst is described. Compared with the classical Biginelli reaction conditions, this method has the advantage of excellent yields and short reaction time.…”
Get full text
Article -
540
Iodine-Mediated Neutral and Selective N-Boc Deprotection
Published 2013-01-01“…Selective removal of N-Boc groups was achieved with excellent yields under a solvent-free condition or in a solvent using iodine as a catalyst. The methodology involving the first use of iodine for N-Boc deprotection of protected amines represents an effective and useful alternative to the previously reported methods.…”
Get full text
Article