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Now showing items 20991-21010 of 39309
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Irida-β-ketoimines derived from Hydrazines to Afford Metallapyrazoles or N-N Bond Cleavage: A Missing Metallacycle Disclosed by a Theoretical and Experimental Study
; ; ; ; ; Seco Botana, José Manuel
; San Sebastián Larzabal, Eider ; Garralda Hualde, María Angeles (ACS, 2016)
Unprecedented metallapyrazoles [IrH2{Ph2P(o-C6H4)CNNHC(o-C6H4)PPh2}] (3) and [IrHCl{Ph2P(o-C6H4)CNNHC(o-C6H4)PPh2}] (4) were obtained by the reaction of the irida-β-ketoimine [IrHCl{(PPh2(o-C6H4CO))(PPh2(o-C6H4CNNH2))H}] ... -
Iridescent Cellulose Nanocrystal Films: the Link Between Structural Colour and Bragg's Law
; Sierra Uria, Egoitz; ; Lizundia Fernández, Erlantz (Iop Publishing, 2018-04-30)
Structural colour is a phenomenon found in nature, which provides plants and animals with vibrant optical properties. The production of this colour is based on the interaction of incident light with the hierarchical ... -
Iridium complexes of an ortho-trifluoromethylphenyl substituted PONOP pincer ligand
(Royal Society of Chemistry, 2023)The synthesis and iridium coordination chemistry of a new pyridine-based phosphinito pincer ligand 2,6- (ArF2PO)2 C5H 3N (PONOP-ArF ; ArF = 2-(CF3)C 6 H4 ) are described, where the P-donors have ortho- trifluoromethylphenyl ... -
Iridium(III)-based photoluminescent sensors for Ba2+ tagging: toward background-free Ba2+ sensing
(2023-03-31)En la presente tesis doctoral se han desarrollado complejos de iridio(III) para su aplicación como sensores fotoluminiscentes de Ba2+, dentro del contexto de la colaboración NEXT para Ba2+-tagging Las estructuras son ... -
Irish English: a current account of Northern and Southern dialects
Every realisation of speech differs amongst the speakers of a given language. There are many factors that could possibly affect this, such as, age, gender and social background as well as geographical factors, among others. ... -
Iritizi publikoa ez da existitzen
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2007)... -
Iriyaweb 3, portal web de una asociación cultural
(2013-09-24)El proyecto consiste en la renovacion (rediseño y nueva construccion) del portal web de la asociacion de la tamborrada Iriyarena, que organiza la Unibertsitateko Danborrada. El actual sitio es un sitio estatico que necesita ... -
Irizpide Aldaketak Gaixotasun Zeliakoaren Diagnostikoan
(2019-01-18)[EUS] Lan honetan 2012an GZ diagnostikatzeko eman ziren irizpide aldaketak aztertu ditugu. Horretarako 2012tik aurrera Donostiako Unibertsitate Ospitalean GZ diagnostikatuak izan diren pazienteak aztertu ditugu, ea irizpide ... -
Irlanda eta Euskal Herriko irakaskuntza-ikaskuntza prozesuen azterketa IKTen bitartez
(2016-12-29)[EUS] Gradu Amaierako Lan honetan, batetik, Irlanda eta Euskal Herriko ikastetxe biren hezkuntza metodologia ezberdinen azterketa gauzatu da, horretarako bideoen bidezko analisia erabiliz. Bestetik, Irlandako hezkuntza ... -
Irlanda: euroa, higiezinen burbuila eta gaur egungo egoera
(Escuela Universitaria de Estudios Empresariales, 2011)90. hamarkadaren hasieran Gobernu irlandarrak bertako ekonomian eragin positiboa izango zuten hainbat erabaki estrategiko hartu zituen. Erabaki hauek zergen murrizketak eta ekonomiaren liberalizazioa suposatzen zituzten. ... -
Irlandés antiguo "·berar", umbro "ferar" y las desinencias medias indoeuropeas de tercera persona
García Castillero, Carlos (Universidad del País Vasco, Servicio Editorial / Euskal Herriko Univertsitatea, Argitalpen Zerbitzua, 1998)
[ES] Este trabajo se dedica fundamentalmente a revisar la interpretación usual de los tipos irlandés antiguo "·berar" y umbro "ferar" como provenientes de una forma originaria que es caracterizada por lo común como 3.ª ... -
Iron Oxide Nanorings and Nanotubes for Magnetic Hyperthermia: The Problem of Intraparticle Interactions
(MDPI, 2021-05-24)Magnetic interactions can play an important role in the heating efficiency of magnetic nanoparticles. Although most of the time interparticle magnetic interactions are a dominant source, in specific cases such as multigranular ... -
Iron-Catalyzed C(sp3)−H Functionalization of N,N-Dimethylanilines with Isocyanides
Guerrero Azurmendi, Itziar; San Segundo Eizaguirre, Marcos; Correa Navarro, Arkaitz (Royal Society of Chemistry, 2018-01-22)
An efficient ligand-free Fe-catalyzed oxidative Ugi-type reaction toward the assembly of α-amino amides and short peptides is described. The reaction proceeds through the α-C(sp3)−H oxidation of N,N-dimethylanilines and ... -
Iron-catalyzed cascade synthesis of nitrogen polycycles from alkynoic acids and functionalized amines
; ; ; ; Herrero Corral, María Teresa; Urgoitia Gabikaetxebarria, Garazi ; San Martín Faces, Raúl (Springer, 2022-12)
Catalysis by first-row transition metals is of increasing interest in the context of the scarcity of chemical resources. For instance, iron is promising due to its abundance, low toxicity and unique electronic features. ... -
Iron-Catalyzed Direct α-Arylation of Ethers with Azoles
Correa Navarro, Arkaitz; ; (Royal Society of Chemistry, 2015-07-14)
The direct α-arylation of cyclic and acyclic ethers with azoles has been achieved, which features a novel iron-catalyzed cross-dehydrogenative coupling (CDC) process. This practical oxidative method allowed the efficient ... -
Ironia ulertzen
Idatzi honen helburua ironia deituriko fenomenoa azaltzea da. Fenomeno hau gizakia gizaki denetik erabili dela esan genezake. Baina, horrela izanik ere, ez da batere erraza hizkuntzaren ezaugarri hau sakonean azaltzea. ... -
Ironiaren kritika
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2009)lrony is acknawledged ta be usually critical: the ironic speaker tends ta exhibit an apparent pasitive attitude in arder ta cammunicate a negative valuatian. The reverse is cansidered ta be alsa passible thaugh: the ironic ... -
Ironiaren teoria minimala
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2018)Among the accounts that explain ironic communication from a pragmatic perspective, Grice’s approach (Grice 1967a/89, 1967b/89) and the Echoic theory (Sperber and Wilson 1981; Wilson and Sperber 2012) might be the most ... -
Ironías de la historia española: observaciones sobre la política pos-franquista de olvido y memoria
(Servicio Editorial de la Universidad del País Vasco/Euskal Herriko Unibertsitatearen Argitalpen Zerbitzua, 2009)The Spanish post-dictatorial politics of memory are marked by a series of displacements, diversions or ironies: The political elites of the post-Franco period used the legacy of the dictatorship to entrench a politics of ... -
Irony as a Tool to Challenge Stereotypes in Michele Serros’ How to Be a Chicana Role Model
Soroa Bacaicoa, Amaia
Stereotypes are overgeneralisations that dismiss individual traits and create tension among various groups in society. One of the most common stereotypes, ethnic stereotyping, can be considered a form of racism, since ...