Letteratura scientifica selezionata sul tema "Structure basique"

Cita una fonte nei formati APA, MLA, Chicago, Harvard e in molti altri stili

Scegli il tipo di fonte:

Consulta la lista di attuali articoli, libri, tesi, atti di convegni e altre fonti scientifiche attinenti al tema "Structure basique".

Accanto a ogni fonte nell'elenco di riferimenti c'è un pulsante "Aggiungi alla bibliografia". Premilo e genereremo automaticamente la citazione bibliografica dell'opera scelta nello stile citazionale di cui hai bisogno: APA, MLA, Harvard, Chicago, Vancouver ecc.

Puoi anche scaricare il testo completo della pubblicazione scientifica nel formato .pdf e leggere online l'abstract (il sommario) dell'opera se è presente nei metadati.

Articoli di riviste sul tema "Structure basique":

1

Hureïki, L., e J. P. Croué. "Identification par couplage CG/SM des sous-produits de chloration de deux acides aminés libres, la proline et la méthionine". Revue des sciences de l'eau 10, n. 2 (12 aprile 2005): 249–64. http://dx.doi.org/10.7202/705280ar.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
L'objectif de ces travaux a consiste en l'identification des sous-produits de chloration de deux acides aminés libres, la proline et la méthionine, structures reconnues pour leur grande réactivité avec le chlore. Les expériences ont été conduites a pH 8 pour un taux de chlore fixe à 8 moles de chlore par mole d'acide aminé et un temps de contact de 72 heures. Les sous-produits de chloration ont été extraits successivement par le pentane et le diethyl éther (pH acide et pH basique, extraction suivie d'une dérivation au diazométhane) et identifiés par couplage CG/SM. L'essentiel des sous-produits de chloration identifiés a été observé dans l'extrait éthéré obtenu à pH acide, que ce soit pour la proline ou la méthionine. Les acides dichloroacétique et trichloroacétique, composés retrouvés dans les eaux de surface désinfectées au chlore, ont été détectés pour les deux molécules étudiées. Les travaux effectués avec la proline ont permis d'identifier également la N- chlorodichloroacétamide et la N-chlorotrichloroacétamide. On peut noter également la formation de quelques chloroacides présentant un groupement terminal aldehyde ou nitrile caractéristique, ainsi que des composeé à structure pyrrole. En ce qui concerne la méthionine, les analyses par couplage CG/SM ont permis d'identifier quelques composés organiques chlorosoufrés comme le chlorure de méthyle sulfonyle, le chlorure de chlorométhylesulfonyle et le dichloro-1,1 diméthyle sulfonyle, ainsi que du soufre moléculaire S8.
2

Karanastasi, Eirini, Evangelos Vellios, Ian Roberts, Stuart MacFarlane e Derek J. F. Brown. "The application of safranin-O for staining virus-vector trichodorid nematodes for electron and confocal laser scanning microscopy". Nematology 2, n. 2 (2000): 237–45. http://dx.doi.org/10.1163/156854100508980.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Abstract Post-fixation with osmium tetroxide (OsO4), prior to examination by electron microscopy, enables nematodes to be located in epoxy-resin blocks, and improves contrast of ultrastructural features. For specimen visibility, alternatives to OsO4 were examined as it can inhibit antigenicity, thus preventing application of serological techniques. Basic fuchsin stain does not affect antigenicity and when applied to trichodorids enabled specimens to be readily located in the block, but had several disadvantages such as causing substantial alteration of the nematode structure. Safranin-O stain enabled Paratrichodorus anemones and P. pachydermus specimens to be located in resin blocks, different parts of the nematode body to be distinguished, and did not affect specimen ultrastructure. Also, with viruliferous specimens it allowed immunogold labelling techniques to be applied for identifying tobacco rattle virus particles at the site of retention in the nematodes. Safranin-O is fluorescent and this feature was used to examine sections from the spicula region of a male P. pachydermus specimen under a confocal laser scanning microscope. La post-fixation au tétroxyde d’osmium (OsO4) avant l’observation en microscopie électronique empêche la localisation des nématodes dans les blocs de résine epoxy et augmente le contraste des caractéristiques ultrastructurales. Pour la localisation des spécimens, des solutions alternatives au OsO4, qui peut inhiber l’antigénicité et donc empêcher l’application de techniques sérologiques, ont été examinées. Le coloration à la fuschine basique n’affecte pas l’antigénicité et permet de situer les spécimens dans les blocs, mais elle présente de nombreux désavantages telle l’altération substantielle des structures du nématode. La safranine-O permet la localisation de Paratrichodorus anemones et de P. pachydermus, les différentes parties du corps du nématode étant alors identifiables, et n’affecte en rien l’ultrastructure du nématode. Chez les spécimens portant des virus, elle permet également l’utilisation de techniques de marquage immunologique à l’or pour identifier les particules du virus du tobacco rattle dans les sites de rétention chez le nématode. La safranine-O est fluorescente et cette particularité a été utilisée pour observer des sections de la région des spicules chez un mâle de P. pachydermus en microscopie confocale à balayage.
3

Kopeć, Joanna. "Applicabilité du modèle cognitif des images schématiques dans l’enseignement-apprentissage de l’écrit au niveau universitaire". e-Scripta Romanica 9 (20 dicembre 2021): 28–40. http://dx.doi.org/10.18778/2392-0718.09.03.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Les images schématiques sont des structures basiques qui émergent directement de notre expérience corporelle. Bien que dépourvues de contenu propositionnel, elles constituent directement le domaine source des métaphores des images schématiques (image schema metaphors) et participent indirectement à l’émergence des concepts plus spécifiques et plus élaborés. L’auteure examine l’image schématique du CHEMIN ainsi que ses modèles subsidiaires dans le cadre de la linguistique cognitive et évalue leur applicabilité dans l’enseignement des langues étrangères. Les notions d’image schématique et de métaphore conceptuelle ne sont pas uniquement théoriques mais permettent de structurer un texte et un discours. L’auteure démontre comment elles peuvent être appliquées dans l’enseignement de l’écriture figurative qui inclut toutes les formes d’écriture et ne se limite pas à la poésie ou à la fiction.
4

Le Sueur, Elisabeth, e Francoise Boudier. "Structures du complexe basique et ultrabasique de Trinity, Californie; genese d'une ophiolite atypique". Bulletin de la Société Géologique de France II, n. 6 (1 novembre 1986): 1007–14. http://dx.doi.org/10.2113/gssgfbull.ii.6.1007.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
5

Bouillon, F., e A. Wafelaer. "Note Concernant La Structure De l'Hydroxyde et Des Sels Basiques De Cuivre". Bulletin des Sociétés Chimiques Belges 64, n. 7-8 (1 settembre 2010): 386–94. http://dx.doi.org/10.1002/bscb.19550640708.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
6

AVANZI, MATHIEU, ANNE LACHERET-DUJOUR, NICOLAS OBIN e BERNARD VICTORRI. "Vers une modélisation continue de la structure prosodique: le cas des proéminences syllabiques". Journal of French Language Studies 21, n. 1 (27 gennaio 2011): 53–71. http://dx.doi.org/10.1017/s0959269510000517.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
RÉSUMÉL'objectif de cet article est de présenter un outil développé en vue de modéliser semi-automatiquement la structure prosodique du français. Sur la base d'un alignement en phonèmes, notre système procède à la détection des syllabes proéminentes en prenant en considération des critères acoustiques basiques tels que la f0, la durée et la présence de pauses. À partir des mesures ainsi prises, le système attribue un degré de proéminence à chacune des syllabes identifiées comme saillante. Nous illustrons ensuite les résultats de l'analyse d'extraits du corpus PROSO_FR. Plus précisément, nous comparons l'analyse prosodique de phrases que l'on pourrait faire avec les règles traditionnelles de la phonologie prosodique avec l'analyse conduite par notre logiciel. Nous discutons ainsi de trois règles: la règle de dominance droite, la règle de clash accentuel et la règle des sept syllabes.
7

Boutin, Béatrice Akissi. "La variation dans la construction verbale en français de Côte-d’Ivoire". Revue québécoise de linguistique 32, n. 2 (15 febbraio 2008): 15–45. http://dx.doi.org/10.7202/017541ar.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Résumé Cet article décrit quelques variantes dans les constructions verbales du français de Côte-d’Ivoire en contraste avec les constructions transitives et intransitives, les constructions locatives et leurs sous-structures possibles en français de France. Il montre que le système ivoirien de la langue est un système large, fait d’alternances de constructions et de possibilités d’effacement, mais qui le plus souvent s’inscrit dans l’évolution de la langue observée aussi ailleurs. Nous tentons de donner une vision d’ensemble des faits et de tenir compte, d’une part, de l’unité des phénomènes des diverses variétés de français de Côte-d’Ivoire, et d’autre part, de leur proximité de phénomènes semblables en français standard basique. Nous souhaitons, par la description qui suit, contribuer aux préliminaires d’un lexique-grammaire du français de Côte-d’Ivoire en rapport avec les autres variétés de français, au bénéfice des enseignants, des éditeurs et de toute personne s’intéressant à la langue.
8

Reis, Adriana Aparecida De Jesus, e Mirian Salvestrin Bonetto. "As Molduras do Decamerone e do Pentamerone". Revista Italiano UERJ 12, n. 2 (13 luglio 2022): 19. http://dx.doi.org/10.12957/italianouerj.2021.67595.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
RESUMO: Giovanni Boccaccio, ao escrever sua obra-prima Decamerone no Trecento italiano (século XIV), emprega a narrativa-moldura para unir, em um encadeamento sucessivo, suas cem novelle. Procedente da retórica medieval e das narrativas orientais, a narrativa-moldura recebe de Boccaccio uma nova função: passa a integrar efetivamente a obra, tornando-se indispensável para a compreensão do todo. Giambattista Basile, escritor napolitano do Seicento (século XVII), retoma essa estrutura narrativa em sua coletânea de cinquenta contos maravilhosos intitulada Lo cunto de li cunti ovvero lo trattenemiento de peccerille, publicada postumamente entre 1634-36 em língua napolitana pela irmã do escritor. A obra-prima de Basile é também conhecida como Pentamerone ossia la fiaba delle fiabe, título atribuído pelo estudioso e crítico italiano Benedetto Croce em 1925, ao traduzi-la da língua napolitana para o italiano standard, em alusão à organização inaugurada por Boccaccio na Literatura Italiana a fim de tornar o livro napolitano mais conhecido na literatura nacional. Desse modo, em nosso estudo, temos o objetivo de investigar em que medida Giambattista Basile retoma o seu ilustre antecessor florentino, isto é, quais são os diálogos que a moldura do Pentamerone estabelece com a moldura do Decamerone, tendo em vista a diferença de contextos de produção entre ambos os livros.Palavras-chave: Boccaccio. Decamerone. Basile. Pentamerone. Narrativa-moldura. ABSTRACT: Quando scrive il suo capolavoro Decamerone nel Trecento, Giovanni Boccaccio usa il racconto-cornice per unire, in concatenamento, le sue cento novelle. Procedente dalla retorica medioevale e dalle narrazioni orientali, il racconto-cornice ottiene da Boccaccio una nuova funzione: comincia a integrare efficacemente l’opera, diventando indispensabile per la comprensione del tutto. Giambattista Basile, lo scritore napoletano del Seicento, riprende questa struttura narrativa nella raccolta sua costituita da cinquanta racconti fiabeschi ed intitolata Lo cunto de li cunti ovvero lo trattenemiento de peccerille. Quest’opera fu pubblicata dopo la morte di Basile, tra 1634-1636, in lingua napoletana da sorella dello scritore. Il capolavoro di Basile è anche conosciuto come Pentamerone ossia la fiaba delle fiabe, titolo assegnato dallo studioso e critico italiano Benedetto Croce nel 1925, quando lui ha fatto la traduzione dalla lingua napoletana all’italiano, facendo riferimento all'organizzazione inaugurata da Boccaccio nella Letteratura Italiana, affinché potesse diventare il libro napoletano più famoso nella letteratura nazionale. In questo modo, nel nostro studio, abbiamo l’obbiettivo di analisare a che punto Giambattista Basile riprende il suo illustre predecessore fiorentino, cioè, quali sono i dialoghi che la cornice del Pentamerone stabilisce con la cornice del Decamerone, in vista alla diferenza dei contesti di produzione tra entrambi i libri.Parole-chiave: Boccaccio. Decamerone. Basile. Pentamerone. Racconto-cornice. ABSTRACT: When Giovanni Boccaccio wrote his masterpiece Decamerone during the Italian Trecento (14th century), he used the frame story to unite, in a successive chain, his one hundred short stories. A precedent of medieval rhetorics and eastern tales, the frame story received a new role from Boccaccio: it started to effectively integrate the book and became indispensable for the understanding of the whole. Giambattista Basile, Neapolitan writer from the Seicento (17th century), reintroduces this narrative structure in his collection of fifty fairy tales named Lo cunto de li cunti ovvero lo trattenemiento de peccerille, posthumously published in Neapolitan language by his sister between 1634-1936. Basile’s masterpiece is also known as Pentamerone, title given to the book by the Italian scholar and critic Benedetto Croce in 1925, when he translated it to the standard Italian, as a reference to the narrative organization inaugurated by Boccaccio in Italian Literature in order to expand the Neapolitan book’s reach at a national level. Thus, we intend to investigate to what extent Giambattista Basile refers to his illustrious predecessor or, in other words, what kind of dialogue the Pentamerone’s frame story keeps with Decamerone’s, considering the different contexts of production of both pieces.Keywords: Boccaccio. Decamerone. Basile. Pentamerone. Frame story.
9

Marić, Antonela, Marko Dragić e Ana Plavša. "THE GROTESQUE AND MYTH IN GIAMBATTISTA BASILE’S IL PENTAMERONE". Folia linguistica et litteraria XII, n. 36 (settembre 2021): 141–58. http://dx.doi.org/10.31902/fll.36.2021.9.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
This paper, besides a short introduction concerning general information on themes and the structure present in the short story collection Lo cunto de li cunti overo lo trattenemiento de’ peccerille, written by the Italian Baroque author Giambattista Basile, whose masterpiece enjoyed great fame abroad much earlier than in Italy, is concerned with the analysis of fantastic and grotesque elements which generally characterise oral tradition, fairy tales and myths. The above-mentioned elements were identified in the fifty short stories which Basile wrote and included in his collection. Various sources were used in the analysis, relying on myths and fairy tales with the aim of explaining the presence of the grotesque. Besides its great literary value, this collection is also of great historical importance because, just like many other examples of oral tradition, it fosters a vast span of costumes and traditions that are typical of the Mediterranean folklore. From one tale to another, the collection slowly but surely reveals the Mediterranean identity of the people from the South of Italy and explains the function of the grotesque and its didactic purpose.
10

Tomshin, M. D., e S. S. Gogoleva. "Morphology of trap sills near kimberlites". LITHOSPHERE (Russia) 23, n. 4 (8 settembre 2023): 579–88. http://dx.doi.org/10.24930/1681-9004-2023-23-4-579-588.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Research subject. Trap sills of the Daldin-Alakit diamond-bearing region of western Yakutia. Aim. To establish the reason for the influence of sedimentary rocks containing kimberlite diatremes on the introduction of basite magma that forms trap sills and the possibility of using the morphology of sills as a search signs for kimberlites. Materials and methods. Sections of trap sills near kimberlites, their structure, petrographic and petrochemical composition of dolerites performing sills were studied. Results. During the formation of kimberlite diatremes, accompanied by pulsating explosions shifting to the top, a significant compaction of the sedimentary rocks containing kimberlites occurs, associated with thermoelastic stress fields. This process leads to the formation of zones near kimberlites, which are difficult to penetrate for relatively viscous, protocrystalline-enriched basite magmas. When such magmas are introduced, the latter before kimberlites form torus-shaped shafts with a sharply increasing power in intrusions. Sometimes magma, flowing around kimberlites, creates “trappless windows”, occasionally splitting into low-power “tongues”. Quite frequently, before kimberlites, sills crumple, acquiring a wave-like shape. Conclusion. All the listed morphological features of traps arise during the introduction of magma, thus providing an indirect method of searching for kimberlites, particularly during the areal drilling of territories covered by continuous trap fields conducted by ALROSA in Western Yakutia.

Tesi sul tema "Structure basique":

1

Rodriguez, Maria-Isabel. "Catalyse basique hétérogène : corrélations acitivité". Montpellier 2, 1995. http://www.theses.fr/1995MON20068.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
De nombreuses reactions industrielles sont connues pour etre catalysees par des bases en phase homogene. De ce fait, la catalyse heterogene presente differents avantages dont la recuperation facile des produits et la diminution de sous-produits (sels) interessante dans la chimie de l'environnement. Un des objectifs actuels est de definir des solides possedants des basicites variables, pour leur utilisation en chimie organique fine en phase liquide, sur des reactions d'exigence differente. Dans cet esprit, la basicite de zeolithes csnax et csnay a pu etre exaltee par impregnation avec divers taux d'acetate de cesium suivie d'une calcination generant des especes oxydes en inclusion. La caracterisation physico-chimique des solides a ete effectuee par analyse thermogravimetrique, diffraction des r. X, analyse volumetrique et thermodesorption par paliers du co#2. Cette derniere technique a permis de montrer que le nombre et la nature des entites formees a l'interieur des cages des zeolithes varient avec le type x ou y de la zeolithe parent. Ainsi, les especes dispersees dans le solide x sont des oxydes de cesium cs#2o, tandis que des clusters (cs#2o)#2 sont presents dans la zeolithe y. L'activite catalytique des zeolithes modifiees a ete mesuree sur la reaction modele de knoevenagel entre le benzaldehyde et le cyanoacetate d'ethyle en phase liquide. Les etudes cinetiques de la reaction et la determination du mecanisme, realisees dans l'ethanol et le dimethylsulfoxyde ont clairement mis en evidence le role du solvant en catalyse heterogene. Des correlations activite/basicite revelent que les oxydes de cesium (cs#2o) encapsules dans la zeolithe csnax sont deux fois plus actifs que les clusters (cs#2o)#2 impregnes dans la zeolithe csnay. Elles montrent l'influence de la composition de la zeolithe hote sur la basicite de l'oxyde encapsule
2

Patry, Véronique. "Structure, localisation et fonctions des différentes formes du facteur de croissance fibroblastique basique (FGFb)". Toulouse 3, 1994. http://www.theses.fr/1994TOU30059.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Le facteur de croissance fibroblastique basique (fgfb) est le prototype d'une famille de proteines de structures apparentees qui module les fonctions cellulaires telles que la proliferation, la differenciation et l'angiogenese. Il existe quatre formes du fgfb qui resultent de l'utilisation alternative de quatre codons d'initiation de la traduction: trois cug initiant des proteines de 210, 201 et 196 acides amines et un aug initiant une proteine de 155 acides amines (a. A. ). Des lignees permanentes de cellules d'ovaire de hamster chinois (cho) exprimant le bfgf de 210 ou de 155 a. A. Ont ete etablies. Par spectrometrie de masse en ionisation par electrospray, une modification post-traductionnelle sur la partie nh#2-terminale du fgfb de 210 a. A. A ete mise en evidence alors qu'aucune modification n'a ete detectee sur le bfgf de 155 a. A. Une analyse par la technique de fragmentation par irradiation a montre que le bfgf de 210 a. A. , localise dans le noyau, fait partie d'un complexe multiproteique d'environ 300 kda alors que le bfgf de 155 a. A. Cytoplasmique, est inclus dans un complexe proche de 100 kda. L'etude de la migration des cellules cho sauvages ou transfectees par le bfgf de 210 ou 155 a. A. A montre que seule la forme de 155 a. A. Stimule la migration. Toutes les formes de bfgf exogenes sont internalisees dans les cellules endotheliales, presentent un profil de degradation similaire et une activite mitogene identique. Une partie du bfgf internalise est transloque dans le noyau: le bfgf de 210 a. A. S'y accumule en quantite deux fois plus importante que la forme de 155 a. A. La substitution de la partie nh#2-terminale du bfgf de 210 a. A. (comprenant une nls) par le peptide de localisation nucleaire de l'antigene t de sv40, a montre que cette accumulation nucleaire ne faisait pas intervenir la nls, mais plutot un processus de retention dans le noyau par des sequences specifiques du bfgf de 210 a. A. De plus l'effet stimulateur des bfgf sur l'activateur du plasminogene est correle positivement avec l'accumulation nucleaire. Ainsi, a une structure, une localisation et une participation a un complexe multiproteique correspondent une fonction differente dans la cellule selon l'isoforme du fgfb
3

Bardez, Élisabeth. "Relation entre structure et reactivite acido-basique de l'eau incluse dans les micelles inverses". Paris 6, 1987. http://www.theses.fr/1987PA066033.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
4

Bardez, Elisabeth. "Relation entre structure et réactivité acido-basique de l'eau incluse dans les micelles inverses". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376026026.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
5

Wan, Elodie. "Zircones de morphologies variées pour des relations structure-activité en catalyse acido-basique d'activation du CO2". Thesis, Montpellier, Ecole nationale supérieure de chimie, 2017. http://www.theses.fr/2017ENCM0009.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Le développement de procédés en accord avec les principes de chimie durable contribue à la diminution de l’utilisation de réactifs toxiques et dangereux. Ainsi, le phosgène pourrait être avantageusement substitué par son analogue électrophile CO2 dans la synthèse de carbonates et de polymères... à condition de lever deux verrous majeurs : les faibles rendements thermodynamiques et la lenteur des réactions. Cette thèse s’inscrit dans un projet global visant à comprendre les limitations cinétiques en catalyse hétérogène d’activation de CO2.La stratégie expérimentale s'appuie sur la recherche de relations structure-activité avec un système catalytique modèle. Le couple réaction-catalyseur choisi est l’addition nucléophile de méthanol sur CO2 catalysée par l’oxyde de zirconium pour former le carbonate de diméthyle (DMC). Le principal objectif de cette thèse est l’obtention d’un panel d’oxydes de zirconium de réactivités acido-basiques variées. Nous avons modulé et évalué les propriétés physico-chimiques en fonction de la voie de synthèse de l’oxyde puis cherché à établir des relations entre ces propriétés et l'activité catalytique.Les catalyseurs zircones ont été préparés à partir de procédés de précipitation et sol-gel conventionnels et par une voie originale utilisant des gels ionotropiques d’alginate. Les propriétés physico-chimiques des solides (surface spécifique, structure, morphologie, texture, état d’oxydation) ont été analysées en regard de leur méthode de préparation et de leur acido-basicité en adsorption et en catalyse de conversion d'alcool modèle. Des corrélations ont été recherchées avec l’activité catalytique en synthèse du DMC en réacteur batch
Process development in line with the green chemistry principles contribute to the reduction of the use of toxic and hazardous reagents. CO2 could substitute phosgene in syntheses of carbonates and polymers if chemists find how to activate CO2 efficiently and if they understand the parameters influencing its activation .This PhD work deals with the establishment of structure-activity relationships in heterogeneous catalysis of CO2 activation. The model system chosen for this study is the nucleophilic addition of methanol on CO2 catalyzed by zirconium oxide to form dimethyl carbonate (DMC). The main objective is to obtain a panel of pure zirconium oxides with various acid-base properties. We tuned and evaluated the physicochemical properties depending on the synthesis route of the oxides and we looked for relationships between those properties and the catalytic activity.The catalysts were prepared with conventional precipitation and sol-gel methods and through an original pathway using ionotropic alginate gels. The physicochemical properties (surface area, structure, morphology, texture, oxidation state) were analyzed in light of the synthesis pathways and the acid-base reactivity in adsorption and catalysis (model reaction of alcohol conversion). The properties have been correlated with the catalytic activity obtained in the DMC synthesis from CO2 and methanol in a batch reactor
6

Le, Cornec Domitille. "Étude de la structure des laitiers vitrifiés de hauts-fourneaux et de leur réactivité à l'eau en milieu basique". Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS556.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Le laitier de hauts-fourneaux est un sous-produit de l’industrie sidérurgique utilisé comme ajout cimentaire. Ce verre aluminosilicaté riche en calcium (Ca) possède des propriétés hydrauliques latentes. Il permet la fabrication de ciments au laitier ayant une faible empreinte carbone et une bonne résistance aux milieux agressifs. L’objectif de cette thèse est, tout d’abord, d’étudier la structure vitreuse des laitiers et son impact sur les propriétés du matériau. Nous couplons des techniques chimiquement sélectives (XANES et EXAFS) à des techniques permettant une analyse moyenne du matériau (MEB, RPE, PDF) et complétons ces résultats expérimentaux par une modélisation. L’hydratation du laitier se fait par un mécanisme de dissolution-reprécipitation dans lequel le Ca joue un rôle prépondérant. Cet élément se trouve dans des environnements complexes et n’est pas réparti de façon aléatoire dans la structure vitreuse. Les sites du Ca forment un sous-réseau d’éléments modificateurs du réseau vitreux qui pourrait faciliter la dissolution du laitier. Suite à cela, nous étudions la spéciation du titane (Ti) dans les laitiers. Cet élément, présent de façon mineure dans la composition, a été rapporté industriellement comme ayant un impact néfaste sur la résistance mécanique des mortiers contenant des ciments au laitier. Le Ti se trouve majoritairement en coordinance 5 dans les laitiers et il stabilise leur structure vitreuse. Ceci pourrait conduire à une perte de réactivité du matériau et être à l’origine des baisses de performances observées industriellement. Des tests de résistance à la compression sont réalisés sur micro-mortiers
Blast-furnace slag is a by-product of steel industry used as a supplementary cementitious material. This calcium (Ca)-rich aluminosilicate glass has latent hydraulic properties. It can be used to make slag cements with low-carbon footprints and high resistances to aggressive environments.The objective of this thesis is, first, to study the glassy structure of slags and its impact on the properties of the material. We use chemically selective techniques (XANES and EXAFS), medium-range analysis (SEM, EPR, PDF) and complete these results with a simulation. The hydration of slag is based on a dissolution-reprecipitation mechanism in which Ca plays a significant role. This element is in complex environments and is not randomly distributed in the glassy structure. The Ca sites form a modifier sublattice which could make the dissolution of the slag easier.We, then, study the speciation of titanium (Ti) in the slags. This element is minimally present in the composition but according to industrial reports, it lowers the mechanical resistance of mortars containing slag cements. Ti is mainly five-fold coordinated and stabilizes the glassy structure. This could lead to a loss of reactivity of the material and cause the industrially observed performance deterioration. Compressive strength tests are performed on micro-mortars
7

Le, Quéré Anne-Marie. "Tétrathiapentalènes : synthèse, structure, propriétés spectroscopiques et donneurs-[pi] ; comportement rédox et acido-basique, précurseurs de polymères conducteurs solubles". Université Joseph Fourier (Grenoble), 2003. http://www.theses.fr/2003GRE10077.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
8

NORAGER, SOFIE CHARLOTTE. "Etude cristallographique des deux cytochromes C3 tétrahémiques de Desulfovibrio africanus : structure des formes oxydées et réduites du cytochrome C3 acide, et études cristallographiques préliminaires du cytochrome C3 basique". Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10120.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Les cytochromes c#3 sont des proteines tetrahemiques, isolees a partir des bacteries sulfato-reductrices. Ce sont des proteines de transfert d'electron, et il est generalement admis que leur fonction est d'etre un cofacteur de l'hydrogenase. Pieulle et al. (1996) ont isole pour la premiere fois deux cytochromes c#3 tetrahemiques dans un meme organisme, la bacterie sulfato-reductrice desulfovibrio africanus. Les deux proteines sont appelees cytochrome c#3 acide et basique en raison de leurs points isoelectriques differentes. Le cytochrome c#3 acide presente une reactivite etonnamment faible avec l'hydrogenase. Les deux proteines ont ete cristallisees, mais seule la structure du cytochrome c#3 acide a pu etre resolue. Celui-ci cristallise dans le groupe d'espace i23 (a=b=c=108 a), le cytochrome c#3 basique, dans le groupe d'espace c2 (a=100. 6 a, b=46. 2 a, c=54. 8 a, ==90, =119. 4). La structure du cytochrome c#3 acide a ete resolue par la methode mad et affinee a 1. 6 a de resolution (r=19. 8%, r#f#r#e#e=22. 8%). Cette structure montre des differences caracteristiques par rapport aux autres structures de cytochromes c#3. La proteine possede ainsi un n-terminal cyclique et on observe des changements dans l'orientation des histidines par rapport au plan des hemes. La faible reactivite avec l'hydrogenase s'explique par l'absence de residus lysine en surface autour de l'heme iv. De plus, dans les cristaux, la proteine montre la fixation d'atomes de zinc et d'arsenic a l'interface entre molecules voisines. Les cristaux obtenus avec le proteine oxydee ont ete reduits par le dithionite, et la structure de la proteine reduite a pu etre affinee a 1. 9 a de resolution (r=19. 8%, r#f#r#e#e=24. 5%). De plus, la structure d'un etat d'oxydation intermediaire a ete affinee a 1. 6 a de resolution (r=18. 1%, r#f#r#e#e=20. 9%). Les changements de conformation de la structure reduite par rapport a la structure oxydee, sont faibles. Il s'agit de mouvements individuels de chaines laterales de quelques residus et de quelques molecules d'eau, et de mouvements de deux domaines. L'un de ces domaines fait partie de l'helice principale, l'autre domaine appartient a une boucle particuliere a la structure du cytochrome c#3 acide.
9

CARBONNAUX, FRENOVE CLAIRE. "Facteurs de croissance des fibroblastes (fgfs) et mutagenese : partie i: conformation des fgf acide et basique. partie ii: structure d'oligodesoxynucleotides contenant un site potentiellement mutagene". Paris 11, 1991. http://www.theses.fr/1991PA112003.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Partie i: les facteurs de croissance des fibroblastes (fgfs) sont des proteines impliquees dans la croissance et la differenciation cellulaire. Nous avons etudie leur structure par dichroisme circulaire. Les resultats montrent que ces proteines sont constituees majoritairement de feuillets antiparalleles. Nous avons tente de poursuivre l'investigation par une etude rmn du fgf acide. Apres la preparation en grande quantite du fgf acide et la purification du fragment 68-140, nous avons recherche les conditions de solubilisation du materiel proteique. La tres faible solubilite du fgf acide et la denaturation partielle du fragment ont incite a orienter ces etudes structurales sur un analogue du fgf acide dont la preparation est en cours. Partie ii: le mecanisme de reconnaissance des paires de bases non complementaires (mesappariements) et l'adn par les enzymes de reparation est encore inconnu. Les modifications structurales de l'adn induites par la presence de mesappariements ont ete etudiees par rmn dans differents oligonucleotides. Les resultats montrent que les paires de bases t. G, u. G. , t. I sont integrees dans l'helice d'adn b dans la configuration wobble. Les trois mesappariements induisent des perturbations structurales identiques. La paire de bases g. A dans la sequence 29-39 du gene k-ras est en equilibre entre deux formes. A ph acide, la paire de bases adopte la structure g(syn)?a#+(anti) dans laquelle nous observons le proton h-n1 de l'adenosine protonee. A ph neutre et basique, la paire de bases adopte la structure g(anti)?a(anti) impliquant des liaisons hydrogenes bifurquees. Cette particularite pourrait etre a l'origine du faible taux de reparation du g. A.
10

Rapetto-Labidi, Astrid. "Etude de la délignification en continu du bois de peuplier en milieu basique : cinétique et chimie des procédés ; caractérisation des lignines extraites". Grenoble INPG, 1989. http://www.theses.fr/1989INPG0083.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Mise en uvre d'un procede de delignification utilisant un reacteur a lit fixe et faible temps de passage, concernant plus particulierement le traitement du bois de peuplier par les procedes a la soude, soude-anthraquinone et kraft. Dans chaque cas, l'etude cinetique fait apparaitre trois regimes distincts et confirme le role essentiel du ph. L'addition de na#2s et/ou de aq ameliore remarquablement la cinetique et la selectivite de la delignification. L'analyse des procedes montre que les reactions de recondensation de la lignine sur les fibres sont peu prononcees. Ceci permet d'obtenir plus rapidement des pates mieux delignifiees et moins degradees qu'en reacteur clos. Ce phenomene est confirme par la caracterisation chimique, spectrometrique et macromoleculaire des lignines recuperees en cours de traitement. Les resultats mettent en evidence des reactions d'hydrolyse et de degradation diverses. Ils confirment le role selectif de na#2s. Il apparait que, quel que soit le type de delignification alcaline, ces reactions de degradation sont les memes

Libri sul tema "Structure basique":

1

Lelong, Charles. La Basilique Saint-Martin de Tours. Chambray: C.L.D., 1986.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
2

Basile, Ernesto. Ernesto Basile e il Liberty a Palermo. Palermo: Herbita, 1987.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
3

Rocacher, Jean. Saint-Sernin de Toulouse: Basilique romane. Toulouse: Editions Privat, 1993.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
4

Mauro, Eliana. Il Villino Florio di Ernesto Basile. Palermo: Grafill, 2000.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
5

Leniaud, Jean-Michel. La basilique Saint-Denis. Paris: Éditions du Patrimoine, Centre des monuments nationaux, 2012.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
6

Marie-Blanche, Potte, Cabrero-Ravel Laurence, Choplain Roger, Maston Roland e Inventaire général du patrimoine culturel (France), a cura di. Notre-Dame d'Orcival, Auvergne. 2a ed. Lyon: Lieux Dits, 2008.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
7

Marie-Blanche, Potte, Cabrero-Ravel Laurence, Choplain Roger, Maston Roland e Inventaire général du patrimoine culturel (France), a cura di. Notre-Dame d'Orcival, Auvergne. 2a ed. Lyon: Lieux Dits, 2008.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
8

Gaso, Patrick. La basilique du Sacré-Cœur de Grenoble. Paris: L'Harmattan, 2018.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
9

Engel, Marie-Thérèse. Paray-le-Monial: Une basilique à découvrir. Châtillon-sur-Chalaronne: La Taillanderie, 2006.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
10

Rion, Pierre. La Basilique de Koekelberg: Architecture et mentalités religieuses. Louvain-la-Neuve: Institut supérieur d'archéologie et d'histoire de l'art, Collège Erasme, 1986.

Cerca il testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri

Capitoli di libri sul tema "Structure basique":

1

Bourguignon, Annie. "« Les corbillards invisibles qui passent furtivement le long des routes » : le monde des romans policiers de Henning Mankell". In Le Frisson métaphysique du roman policier/The Metaphysical Shudder of the Detective Novel, 165–78. Éditions de l'Université de Lorraine, 2024. http://dx.doi.org/10.62688/edul/b9782384510467/c13.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Cette étude traite des romans policiers de Henning Mankell. Elle rappelle d’abord ce qu’étaient les positions politiques de l’auteur, et s’intéresse ensuite à sa vision du monde. Celle-ci s’exprime à travers les paroles et les pensées du protagoniste Kurt Wallander, à travers l’image de la société suédoise présentée, ainsi que par la structure que Mankell donne à ses récits. Dans cet univers, la raison ne parvient plus à résoudre toutes les énigmes, sans qu’elle soit pour autant considérée comme impuissante. Le mal n’est pas non plus totalement vaincu, mais il est un peu battu en brèche. La nécessité de combattre le mal apparaît comme le résultat direct d’un appel à un sens moral basique spontané, commun à l’auteur et aux lecteurs, qui n’a pas besoin d’être explicité ou justifié. L’être humain tel que le voit Mankell s’avère incapable de maîtriser intégralement le monde, sans être totalement démuni face à lui.
2

Sina D., Ilyass. "Microcrédits aux plus pauvres et sécurité sociale a Pira (Bénin)". In Aux carrefours de la langue, de la littérature, de la didactique et de la société : la recherche francophone en action, 171–83. Observatoire européen du plurilinguisme, 2021. http://dx.doi.org/10.3917/oep.agbef.2021.01.0171.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
La pauvreté est un phénomène qui touche en majorité les populations des zones rurales dans les pays en développement tel que le Bénin. Dans le souci d’éradiquer ce fléau, le gouvernement du Bénin a entrepris une politique dénommée « microcrédits aux plus pauvres ». Ce programme consiste à octroyer des crédits d’une valeur basique de 30.000fcfa aux femmes vivant dans des situations économiques difficiles. Cet article analyse les effets sociaux du programme sur les femmes bénéficiaires. Pour conduire cette recherche, la démarche qualitative a été considérée. Les entretiens semi-structurés et l’observation directe ont été utilisés pour collecter les données auprès de 138 femmes bénéficiaires reparties en 27 associations. L’analyse des données montre que le programme a plus participé au renforcement de la vie associative qu’à la réduction de la pauvreté. Par ailleurs, les femmes bénéficiaires interrogées ont une vision du bien-être, différente de celle du gouvernement qui s’en est approprié à des fins électorales.

Atti di convegni sul tema "Structure basique":

1

Belciuganu, Oltea, e Anamaria Mariniuc. "The Nation Branding in Romania, Approach to Strategy and Leadership". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/009.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
The purpose of this study is to analyze the structures, flows and leadership models employed by East European countries in order to build a strong Nation Brand. The country under radar in this paper is Romania. Methodology Qualitative research is employed comprising in face to face semi structured interviews with representatives of Government, Tourism Organization, several industry associations, Cultural Institute. Findings We identified that various activities, programs that could be associated with a Nation Brand strategy are developed as inter-institutional effort, still, no one associated the efforts with the Nation Brand because no formal attention has been awarded to the subject. Even more, some negative associations come from the misconception that Nation Branding is about logo, slogan and advertising campaigns that were much disputed in the past. Research limitations/implications Further research is needed in order to analyze various organization models in east European countries but also comparing those models with the success stories in Nation Branding worldwide, in order to see what can be learnt, what should not be repeated and if there is an ideal organizational and leadership model. Practical implications Countries should find a way to prioritize Nation Branding and employ a model that could live beyond the frequent changes on the political stage. Originality/value This study approaches Nation Branding for the under researched geographic area of East European countries (including Romania) covering also the topic of organization, structure and leadership in Nation Branding. Three decades after the fall of communism, Nation Branding might be a feasible solution for long term thinking, to make themselves more visible and get an active voice and a larger share of the pocket in international trade. The main challenge would be to prioritize Nation Branding and employ a model that could live beyond the frequent changes on the political stage.
2

Popescu (Iacobescu), Ioana Maria, Iuliana Zavatin (Chilea), Rodica Pamfilie e Stelian Olaru. "A SWOT Analysis of the Romanian Food Industry’s Approach to Innovation". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/073.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Innovation, the engine of well-developed economies, is crucial worldwide. Even in times of disruption, as the last years confirmed, the companies that continued to have innovation in the focus were better prepared for facing challenges and identifying new opportunities for future positive development. Innovation can make the difference between a well-run business and one that is driven by inertia. It is obvious that innovative activities can improve business development, but it is unclear how to build an efficient innovation system or strategy. In order to study the way innovation is approached in food organizations, in Romania, we have conducted an exploratory research, structured on 5 important topics: how organizations are defining innovations, what kind of innovations are developed, how innovation is implemented and managed, what measurement methods are used, and which is the strategy for innovation management. An additional topic was focused on companies’ concerns towards sustainability. After conducting the exploratory empirical research, a SWOT analysis was developed, to uncover the strengths, weaknesses, opportunities, and threats in the Romanian food industry’s approach to innovation. The aim of the paper is to point out the opportunities and beneficial elements of innovation management in Romania’s food sector, but also the weaknesses and threats in order to identify ways of surpassing them. The purpose of the research is answering the following questions: What is the importance of innovation management, sustainability, and quality management in the Romanian food companies? Is there a common definition and a common approach for innovation management in food industry? What measurement methods are used for measuring the impact of innovation? Which is the strategy for innovation management? The structure of the research, with practical implications, offers an additional novelty and originality approach for studying the innovation management in Romania’s food sector. According to National Statistical Institute Innovation data, big organizations are driving the most consistent part of the economic growth, therefore, in the present paper, the authors could reveal important aspects to be considered for an Innovation Management Model which could fit all food companies, no matter the size
3

Bran, Florina, Dumitru Alexandru Bodislav, Romeo Cătălin Crețu3 e Otilia Ganea. "The Deregulation Trap in Today’s Energy Markets". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/017.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
The deregulation of the energy industry has long been a contentious issue. Opponents claim that it can lead to higher pricing, poorer dependability, and market manipulation, while supporters claim that it results in increased competition, cheaper prices, and improved efficiency. Overall, energy market deregulation can have both positive and negative effects, depending on the specific circumstances of each market. While deregulation can lead to greater competition, efficiency, and choice, it can also create greater volatility and risk if not properly managed. Therefore, policymakers and regulators need to carefully consider the potential benefits and drawbacks of deregulation before implementing any changes to the market structure. This research essay looks at the historical background and justification for the deregulation of the energy market, the effects it has on consumers, and the opportunity for regulatory control to lessen any unfavorable effects.
4

Firican, Diana Andreea. "Change Management in the Context of Digital Transformation: A Comparison Between a Theoretical Model and Successful Approaches in Organizations". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/056.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
The COVID pandemic has accelerated the digital transformation (DT) in organizations. Given that organizations with high digital maturity enjoy better financial outcomes than their competitors, budgets for digital transformation have recently increased significantly. This article provides a narrative review of the change management (CM) practices that have proven successful in the context of DT in comparison to the theoretical CM models, with three purposes: firstly, to validate the most effective CM practices for DT, secondly, to identify existing, but unemployed theoretical CM practices that could benefit DT and thirdly, to enhance the field of CM with new tactics that have proven successful in DT. Given the rapid pace of DT during COVID, the organizational change has been done ad-hoc and often without structure or analysis. This paper compares DT and CM theory and practice for the first time in the context of COVID. The findings show that leadership support, engaging people managers, creating change agent networks, efficient communication, training, as well as change reinforcement lead to better DT outcomes. DT could employ more of the tactics suggested by the CM theory in the areas of communication, coaching of people managers, leveraging change agent networks, assessing organizational change readiness and resistance management tactics. CM could adopt new tactics regarding participation of employees, collaboration with external partners and attracting outside talent. Both could benefit from more emphasis on organization culture. The findings represent a good foundation of best practices for DT and for developing a CM model that applies specifically to DT.
5

Melinte, Cristiana, Gina Ionela Butnaru e Valentin Niță. "The Nexus Between the Travel Trends of the Young Generation and Ecotourism Development in the North East Region of Romania". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/010.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Taking into account that tourism is one of the main contributors to environmental pollution and deterioration, currently it is important to promote forms of travel with low environmental impact. Thus, ecotourism is often promoted as benefitting local destinations through income generation, employment and direct support for the conservation of key tourist attractions. Research supports the fact that this type of tourism influences environmental attitudes and knowledge, and eventually consumers’ behaviour. Therefore, this study is a qualitative research, which aims to study the nexus between the travel trends of the young generation and ecotourism development in the North East Region of Romania. In this sense we applied structured interviews to a sample made of representatives of institutions and organisations in the field of tourism in the North-East Region (NE) of Romania. The results showed that there is an increase of the degree of awareness of local natural and cultural values, through the development of infrastructure and tourism products, through the promotion of the area, through the development of ecotourism and awareness of the importance of protected natural areas. The study represents a contribution to the literature with a growing interest in a subject about younger generation and the development of ecotourism.
6

Ploscaru, Andra Nicoleta, Claudia Cristina Rotea, Marian Cazacu e Daniela Victoria Popescu. "Exploring the Direct Influence of the Organizational Change Process on Organizational Performance". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/036.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Organizational change can significantly impact organizational performance, but this impact can be different depending on the nature and purpose of the change and how it is managed. The paper proposes a model for evaluating the effects of the organizational change process on organizational performance, staff retention, and organizational abandonment. The empirical study in which the model is tested was carried out among 294 employees from Romanian organizations who answered the questionnaire questions. Structural equation modeling was used to process the data and obtain the results. Effective change management and employee involvement in the change process can contribute to the success of organizational change and the development of a positive organizational culture, leading to increased organizational performance, high employee retention, and the organizational dropout rate minimization. In addition, organizations should also consider open and transparent communication with employees, as well as providing support in developing the skills and competencies of employees so that they can adapt to organizational changes and contribute to the organization's success.
7

Dima, Cristina, Carmen Valentina Rădulescu, Irina Elena Petrescu e Amelia Diaconu. "Challenges Regarding the Performance of Public Investment Projects". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/022.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Investments, approached as a factor influencing the future, have an essential role in economic growth and development by stimulating the production process and by creating new, high-performing structures that are correlated with the specific needs of individuals and society. From the point of view of access to resources, but also of economic-social competition, economic development generates a higher level of performance, certified on the basis of qualitative and quantitative evaluation processes. In this context, the analysis system of investment projects must be based on operational principles and instruments with medium and long-term impact, capable of aligning with strategic visions. In this paper, based on the research carried out in the specialized literature and the analyzed studies regarding public investments, we identify the current challenges regarding the performance of public investment projects and propose a series of criteria for evaluating the performance of public investments and a sequence of stages to ensure the elimination of non-performing projects at the local, regional and national level. The results of the present research reveal the inadequate prioritization of public investments to ensure adequate sustainability and offer us the opportunity to develop new research directions in the following works in which we will analyze the impact that inadequate prioritization has on the sustainability of local, regional and national communities.
8

Mihai, Laurențiu Stelian, e Florin-Aurelian Birchi. "The Correlation Between Motivation and Employee Satisfaction in the Service Industry". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/012.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
This paper aims to analyse the correlation between the two dimensions of motivation (intrinsic and extrinsic), rewards and recognition, and employee performance, being one of the first studies to tackle this problem in the context of the service industry of Southern Romania. The data was collected using a quantitative survey of 161 employees from various service industries, such as retail, hospitality, healthcare, and professional services. The results were analysed using partial least square structural equation modelling (PLS-SEM) using SmartPLS4.10 software. Our findings have shown that there is a strong, positive relationship between intrinsic motivation, on the one hand, and extrinsic motivation, on the other hand, and employee satisfaction, as well as between rewards and recognition and extrinsic motivation. Moreover, our research did not find a significant correlation between rewards and recognition and intrinsic motivation, maybe due to the way reward and recognition (RR) was constructed, most items being related to financial, tangible rewards, which tend to have a more significant influence on extrinsic motivation (EM) rather than intrinsic motivation (IM). Our findings might be of use for service managers to better understand how to motivate their employees in order to ensure their maximum performance.
9

Ploscaru, Andra Nicoleta, Claudia Cristina Rotea, Simona Dumitriu e Iulian Georgescu. "Evaluating the Effects of HRM Practices on Employee Engagement and Organizational Culture". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/034.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Human resource management (HRM) is a critical field in business and organizations, and practices in this field can significantly influence employee engagement and organizational culture. The paper proposes a model for evaluating the effects of HRM practices on employee commitment and organizational culture. The empirical study in which the model is tested was carried out among 294 employees from Romanian organizations who answered the questionnaire questions. Structural equation modeling was used to process the data and obtain the results. HRM practices can directly influence employee engagement and organizational culture. Involving employees in the decision-making process, offering opportunities for career development, properly managing labor relations, and promoting diversity and inclusion are HRM practices that can increase employee engagement and develop a positive organizational culture. The study has important managerial implications by highlighting HRM practices that substantially affect employee engagement and organizational culture. Employees more involved and loyal to the organization are more likely to respect its values and goals, so the organizational culture becomes more substantial and better defined. Therefore, organizations must implement HRM practices that help increase employee engagement and develop a more robust and better-defined organizational culture.
10

Cohen-Tzedec, Betty, Mihaela Bucur, Irina Gabriela Maiorescu e Robert Bumbac. "Factors Impacting SMES’ Business Sustainability PostCOVID-19 in Bucharest, Romania, from the Perspective of Resilience". In 9th BASIQ International Conference on New Trends in Sustainable Business and Consumption. Editura ASE, 2023. http://dx.doi.org/10.24818/basiq/2023/09/080.

Testo completo
Gli stili APA, Harvard, Vancouver, ISO e altri
Abstract (sommario):
Organizations are undergoing continuous transformations, either due to technological innovation, sustainability practices, various crises (financial crisis, Covid-19), the war in Ukraine, accompanied by changes in regulations specific to each country or required by the pressures of climate change or globalization, so SMEs are constantly faced with problems of various kinds that require an up-to-date assessment of the business, especially when the threats are unpredictable. To stay in business, companies, and consequently their leaders, must adapt and survive with agility when faced with unforeseen or turbulent changes. The general objective is to identify the level of resilience reflected in the corporate sustainability of SMEs in Bucharest in order to strengthen organizational success factors. The study focuses on several resilience factors: leadership, organizational networks and change orientation and the extent to which they impact the business sustainability of SMEs in Bucharest, Romania, in the post COVID-19 period. The method of study is quantitative research in order to achieve the highest level of objectivity, using systematic measurements and statistical analysis. The investigation revealed that of the three structural components, change orientation has the greatest impact on corporate sustainability, followed by organizational networks and leadership. The added value of this study for academia is that the data was collected in Bucharest, Romania, with the aim of contributing to the long-term sustainability of organizations from a resilience perspective. The study is aimed at managers of Romanian SMEs to achieve the sustainability of their company.

Vai alla bibliografia