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Literatura académica sobre el tema "Analyse quantitative des faciès"

Autor: Grafiati

Publicado: 21 de diciembre de 2024

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Artículos de revistas sobre el tema "Analyse quantitative des faciès"

Minkovska, Viara, Bernard Peybernès, Pierre Cugny y Todor Nikolov. "Analyse quantitative des faciès carbonatés et cycles T–R de haute fréquence dans le Barrémien du Prébalkan central (Bulgarie)". Comptes Rendus Geoscience 336, n.º 10 (julio de 2004): 931–38. http://dx.doi.org/10.1016/j.crte.2004.02.009.

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Zheng, Shikang, Kai Chen, Xinping Lin, Shiqian Liu, Jie Han y Guomin Wu. "Quantitative analysis of facial proportions and facial attractiveness among Asians and Caucasians". Mathematical Biosciences and Engineering 19, n.º 6 (2022): 6379–95. http://dx.doi.org/10.3934/mbe.2022299.

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<abstract> <p>It has been proposed that the proportions of the human face are crucial for facial aesthetics. If this is the case, we should describe the relationship among proportions of face components quantitatively. This study aims to develop a mathematical model of facial proportions to provide a quantitative description of facial attractiveness. Furthermore, we expect that plastic surgeons can use models in clinical work to enhance communication efficiency between doctors and patients. Face alignment technique was used to analyse 5500 frontal faces with diverse properties (male/female, Asian/Caucasian, ages) to obtain the ratios among the nose length ($ {N}_{L} $), the nasal base width ($ N $), and the inner canthus width ($ {E}_{I} $). A mathematical model ($ {N}_{L}^{2} = a{E}_{I}\mathrm{*}{N}_{L}+b{E}_{I}\mathrm{*}N+cN\mathrm{*}{N}_{L} $) was developed to describe the relationship among these proportions. To validate the effectiveness of this approach, we simulated the post-operative photos using Adobe Photoshop. Our findings show that the ratio of nose length to nose width, the ratio of inner canthus width to nose length and the ratio of inner canthus to nose width play a significant role in determining facial attractiveness. These results provide a possible strategy to quantitatively describe the relationship among human face proportions.</p> </abstract>

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Anbar, M., B. M. Gratt y D. Hong. "Thermology and facial telethermography. Part I: History and technical review". Dentomaxillofacial Radiology 27, n.º 2 (1 de marzo de 1998): 61–67. http://dx.doi.org/10.1038/sj/dmfr/4600314.

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Abstract This paper is a review of historical trends and technical advances in measurement of skin temperature. Most biochemical processes generate heat which must be dissipated. Skin is the major route for heat dissipation using blood as the heat exchange fluid. Skin temperature is an indicator of aberrations in metabolism, hemodynamics or in neuronal thermoregulatory processes. Since most of the heat dissipation of skin is by infrared blackbody emission, skin temperature should be measured without contact by monitoring the emitted infrared radiation. This has been the basis of telethermography. Recent advances in computing technology combined with advanced infrared sensor technology has led to the development of dynamic area telethermometry (DAT) which promises to be as an important new quantitative method to analyse the pathophysiology of thermoregulatory processes.

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Omolaf, BABALOLA Ebenezer y OLUDARE Precious Ize. "A Quantitative Approach to Challenges Facing Online and Physical Classes in Social Studies Learning Higher Education". Jurnal Pendidikan Ilmu Sosial 31, n.º 1 (25 de junio de 2022): 119–30. http://dx.doi.org/10.17509/jpis.v31i1.63318.

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The aim of this research is to investigate the challenges faced by online and physical classes in social studies learning in higher education. This condition causes differences in online or physical face-to-face classes. Descriptive research of the survey type was employed to achieve the purpose of this study. Students in five randomly selected faculties in University of Ilorin, Nigeria made up the study target population. In order to choose sample from each of the selected faculties, proportionate sampling procedure was used. The actual sample size for the study was 200 Undergraduates, who were chosen using random selection techniques. Descriptive statistics of mean score were used to analyse the information obtained from the respondents. The findings of this study shows that students faced challenges while learning in both online and physical classrooms. It was concluded that despite the underlying similarities between online and physical classroom, the two modalities are very different from one another. Online teaching is typically student-centered which necessitates active learning, in contrast to traditional classroom instruction, which has been known to be teachers-centered and call for passive learning. It was a challenge for teachers to move from face to face in class mode to virtual learning, changing their teaching methodologies, and managing their time. And it was also a challenge to develop content which did not only covers the curriculum but also engage the learners.

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Al-Rantisi, Ahmed Mohammed, Reem Abdulmotaleb Abuiyada, Ali Suhail Tabook y Mohamed Mohamed Kandil. "Challenges Facing Juvenile Delinquent Rehabilitation Institutions in Palestine Considering the Sustainable Development Goals". Journal of Lifestyle and SDGs Review 4, n.º 3 (26 de septiembre de 2024): e01937. http://dx.doi.org/10.47172/2965-730x.sdgsreview.v4.n03.pe01937.

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Introduction: A widespread occurrence, juvenile delinquency affects children's development and poses a serious threat to society. Despite being a global problem, its impacts are more noticeable in developing countries like Palestine, since there are not enough resources to help them recover from it. Objective: therefore, the current study was designed to determine the challenges facing juvenile delinquent rehabilitation institutions in Palestine. Method: In this study, the quantitative approach to data collection and analyses was used. Questionnaires were used in data collection after testing their validity and reliability. The target population was all juvenile delinquents with a number of 55 and all social workers at Al-Rabie Foundation for juvenile care of Gaza and their number 14, data were collected during August 2023. The data were tabulated, and frequency distribution tables were prepared. descriptive statistics were used to analyse the data by statistical analysis SPSS version 26 statistical analysis programme. Results and Discussion: The results of the study showed that the Palestinian government in Gaza should renovate the Al-Rabie Foundation to its full potential, this should involve both infrastructure and personnel development, and adequate funds should be made available to meet the basic needs of juvenile delinquents such as food, clothing, and cleanliness.

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Ding, Xuesong, Tristan Salles, Nicolas Flament y Patrice Rey. "Quantitative stratigraphic analysis in a source-to-sink numerical framework". Geoscientific Model Development 12, n.º 6 (28 de junio de 2019): 2571–85. http://dx.doi.org/10.5194/gmd-12-2571-2019.

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Abstract. The sedimentary architecture at continental margins reflects the interplay between the rate of change of accommodation creation (δA) and the rate of change of sediment supply (δS). Stratigraphic interpretation increasingly focuses on understanding the link between deposition patterns and changes in δA∕δS, with an attempt to reconstruct the contributing factors. Here, we use the landscape modelling code pyBadlands to (1) investigate the development of stratigraphic sequences in a source-to-sink context; (2) assess the respective performance of two well-established stratigraphic interpretation techniques: the trajectory analysis method and the accommodation succession method; and (3) propose quantitative stratigraphic interpretations based on those two techniques. In contrast to most stratigraphic forward models (SFMs), pyBadlands provides self-consistent sediment supply to basin margins as it simulates erosion, sediment transport and deposition in a source-to-sink context. We present a generic case of landscape evolution that takes into account periodic sea level variations and passive margin thermal subsidence over 30 million years, under uniform rainfall. A set of post-processing tools are provided to analyse the predicted stratigraphic architecture. We first reconstruct the temporal evolution of the depositional cycles and identify key stratigraphic surfaces based on observations of stratal geometries and facies relationships, which we use for comparison to stratigraphic interpretations. We then apply both the trajectory analysis and the accommodation succession methods to manually map key stratigraphic surfaces and define sequence units on the final model output. Finally, we calculate shoreline and shelf-edge trajectories, the temporal evolution of changes in relative sea level (proxy for δA) and sedimentation rate (proxy for δS) at the shoreline, and automatically produce stratigraphic interpretations. Our results suggest that the analysis of the presented model is more robust with the accommodation succession method than with the trajectory analysis method. Stratigraphic analysis based on manually extracted shoreline and shelf-edge trajectory requires calibrations of time-dependent processes such as thermal subsidence or additional constraints from stratal terminations to obtain reliable interpretations. The 3-D stratigraphic analysis of the presented model reveals small lateral variations of sequence formations. Our work provides an efficient and flexible quantitative sequence stratigraphic framework to evaluate the main drivers (climate, sea level and tectonics) controlling sedimentary architectures and investigate their respective roles in sedimentary basin development.

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Kiula, Asha Amri y Gipson Raphael Ole Kinisa. "Challenges Facing Procurement Processes Digitalization: A Case of Tanzania Electric Supply Company Limited - Dar es Salaam". American Journal of Supply Chain Management 7, n.º 1 (19 de diciembre de 2023): 68–78. http://dx.doi.org/10.47672/ajscm.1680.

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Purpose: This study aimed to assess challenges facing digitalization of procurement processes at Tanzania Electric Supply Company Limited (TANESCO) in Dar es Salaam. Materials and Methods: Technology Acceptance Model was utilized in this study. This research utilized a mixed research approach, combining quantitative and qualitative methods, targeting all 408 employees across various Tanesco departments. Sampling techniques included simple random and purposive sampling, with data collected through questionnaires, interviews, and documentary review. Descriptive statistics, facilitated by SPSS version 26, were employed for quantitative data analysis, while content analysis was utilized to analyse the qualitative data obtained from interviews. Findings: The challenges identified in this study, include concerns about limited vendor relationship improvements and the need for enhanced transparency. Based on the findings, it is recommended that TANESCO continues to embrace digitalization in its procurement processes but focuses on addressing challenges to maximize its benefits. Implication to Theory, Practice and Policy: Future research should examine employee attitudes and the effectiveness of change management strategies in the context of digital procurement could contribute to a comprehensive understanding of the human dimension in the digitalization journey.

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Faedo, Nahuel Ivan, Montse Corrius y Xavier Ginesta. "Are Women Sports Journalists in Spain Truly Progressing or Facing “Pseudo-Progress”?" Journalism and Media 5, n.º 3 (27 de agosto de 2024): 1211–27. http://dx.doi.org/10.3390/journalmedia5030077.

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Sports journalism has become one of the news products with the most significant social reach in the press, radio, television and digital media. Despite the significant presence of women in journalism, they continue to face gender-based stereotypes. In Spain, not very many women can effectively access the labour field of sports journalism, and those who do find themselves in a space dominated by men, which results in a perpetuation of the existing imbalances in society. The main objective of this study is to analyse the evolution of the roles developed by women journalists in the article-production aspect of the Spanish sports press between 2010 and 2022. We use quantitative content analysis, studying the articles published in Marca and Mundo Deportivo during the second week of June in 2010, 2014, and 2018, and the third week of November 2022; in each of these years, the men’s FIFA World Cup was played. The results of this study show that: (a) women journalists have an almost invisible role in the production of articles, and (b) rather than progress, women are facing “pseudo-progress”, a more appropriate term for the appearance of a change that is not actually occurring.

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Ramsa, Haitham Abdulla, Yahya Hamad Sheikhr y Abubakar Diwani Bakari. "Challenges Facing the Use of Electronic Fiscal Devices for Tax Reporting in Zanzibar". East African Journal of Information Technology 7, n.º 1 (24 de enero de 2024): 60–67. http://dx.doi.org/10.37284/eajit.7.1.1708.

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The study aims to identify the challenges facing the use of Electronic Fiscal Devices (EFDs) for tax reporting. The study applied a descriptive research design where primary data was used with a quantitative research approach. The sample size of the study was 98 taxpayers obtained using Yamane’s formula. SPSS v.26 was used to analyse the data. Results revealed that the challenges facing the use of EFDs for tax reporting include network problems, lack of trust in the use of EFDs for tax reporting, training were not enough, customers do not have a culture of requesting receipts, high cost of EFDs and EFDs often breakdown and not working. This study recommends that the government should provide more training to taxpayers and educate the public about the importance of tax and claiming receipts, and reduce the price of EFDs to encourage more taxpayers to afford to buy the machine or, if possible, to be given to taxpayers free of charge. Also, the government should provide good infrastructure to solve a slow or no network and provide strong punishment for those taxpayers who do not issue a receipt and for those customers who do not request a receipt

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Elias, Bernd B. "Analyse quantitative". Études littéraires 18, n.º 2 (1985): 387. http://dx.doi.org/10.7202/500707ar.

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Tesis sobre el tema "Analyse quantitative des faciès"

Couëffé, Renaud. "La préservation du temps dans les enregistrements sédimentaires : analyse quantitative à l'intérieur de la molasse marine miocène du bassin d'avant-chaîne de Digne (Alpes de Haute Provence, sud-est de la France)". Caen, 2003. http://www.theses.fr/2003CAEN2022.

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Une nouvelle approche de la Molasse Marine miocène du bassin d'avant-chaîne de Digne est proposée à travers l'analyse quantitative du temps préservé dans l'enregistrement sédimentaire. L'étude détaillée des dépôts permet d'évaluer des taux de sédimentation utilisés pour quantifier le temps préservé à l'intérieur de séquences de dépôt d'une durée de 100 000 ans. Dans la majorité des cas, la part de temps préservé est très faible et les hiatus représentent l'essentiel du temps tandis que, dans certaines séquences, la forte proportion de temps préservé souligne le caractère beaucoup plus complet de l'enregistrement sédimentaire. Les paramètres évoqués pour rendre compte de cette forte variabilité du temps préservé sont la dynamique sédimentaire et l'accommodation. La démarche développée dans ce travail permet, à travers l'analyse du temps préservé dans l'enregistrement sédimentaire de la Molasse Marine, de proposer une méthode originale d'identification des processus d'accommodation.

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Cugny, Pierre. "Associations paleontologiques et paleoenvironnements : analyse quantitative des facies dans diverses formations cretacees des marges neotethysiennes et atlantique". Toulouse 3, 1987. http://www.theses.fr/1987TOU30162.

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On montre comment l'utilisation conjointe des methodes classiques d'etude des formations geologiques (analyse sequentielle, sedimentologie, paleontologie) et de methodes quantitatives (analyse des donnees multidimensionnelles, tests statistiques) permet de reconstituer les paleoenvironnements, leur evolution et de proposer des modeles paleoecologiques. Les exemples sont pris en domaine de plateforme, dans les series du cretace des marges neotethysiennes (pyrenees, espagne, bulgarie, maroc, algerie) et atlantique (portugal)

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Cugny, Pierre. "Associations paléontologiques et paléoenvironnements analyse quantitative des faciès dans diverses formations crétacées des marges néotethysiennes et atlantiques /". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604242t.

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Bofill, Lucas. "From outcrop to fluid-flow : sedimentary architecture, permeability heterogeneity, and effect of sedimentary facies in fluid-flow modelling : a case study of the middle buntstandstein continental sandstones (lower triassic, eastern France)". Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAH006.

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Au fossé rhénan supérieur, dans l'est de la France, le Buntsandstein du Trias inférieur constitue un important réservoir d'eau souterraine et de saumures géothermiques riches en lithium. L'objectif scientifique de cette étude est de comprendre l'architecture de la Formation du Grès Vosgien inférieur (LGV), Buntsandstein moyen ; comment les processus sédimentologiques, à différentes échelles, génèrent des hétérogénéités significatives de perméabilité ; et l'effet de telles hétérogénéités sur les résultats de la modélisation des flux de fluides. L'étude utilise une caractérisation sédimentologique à haute résolution, par le biais de descriptions de profils verticaux, de modèles numériques d'affleurements et d'analyses pétrographiques. Ensuite, les mesures de perméabilité sont couplées aux données sédimentologiques, afin d'identifier différentes échelles de contrôles sédimentaires sur la distribution de la perméabilité. Enfin, un modèle conceptuel hydrostratigraphique réaliste en 2D est généré comme référence, pour évaluer comment différents scénarios de simplification des hétérogénéités impactent la modélisation des flux de fluides, en ce qui concerne le temps de résidence des particules, la macro-dispersivité et l'anisotropie mise à l'échelle.Les résultats indiquent que 93% du LGV est composé de grès déposés par un système fluvial en tresses, avec des indices suggérant que la variabilité du débit était un facteur de contrôle principal de la distribution des faciès sédimentaires et des hétérogénéités. Le modèle de superposition du LGV révèle des périodes où les processus fluviaux étaient absents, et les processus éoliens dominaient le transport et le dépôt des sédiments, constituant 7% de l'épaisseur totale du LGV. Les dépôts éoliens montrent des indications de la présence persistante d'eau dans le système, soit en raison de la montée de la nappe phréatique, soit de crues éphémères.Dans l'association de faciès des chenaux fluviaux, une relation inverse entre les conditions du régime fluvial et la perméabilité de ses faciès est observée. Dans l'association de faciès déposés par le vent et l'eau (WWL), la distribution de la perméabilité est directement influencée par les conditions climatiques, où des feuilles de sable hybrides à faible perméabilité ont été déposées dans des conditions plus humides, et des dunes éoliennes à haute perméabilité dans des conditions plus arides. Cependant, malgré la haute perméabilité des dunes éoliennes, l'architecture des WWL implique un faible potentiel de connectivité. La compaction est le principal processus influençant la perméabilité et la porosité du LGV. Les échantillons avec une proportion plus élevée de lithoclastes et d'argile infiltrée ont enregistré un degré de compaction plus avancé, tandis que les échantillons avec un pourcentage plus élevé de surcroissance de quartz ont montré un degré de compaction moindre. La surimpression diagénétique a affecté les différents faciès de manière distincte, indiquant que les processus et l'architecture sédimentaires primaires régissent la distribution des hétérogénéités de perméabilité dans le LGV. Les données de perméabilité provenant des affleurements ont montré des valeurs médianes jusqu'à trois ordres de grandeur plus élevées que celles des données de subsurface. Cependant, les mêmes faciès, et des tendances similaires des réponses porosité-perméabilité relatives aux différents faciès, sont observées entre les affleurements et les échantillons de forage, mettant en évidence la sédimentologie comme un proxy indispensable pour les études d'hétérogénéité des réservoirs[...]
At the Upper Rhine Graben, in Eastern France, the Lower Triassic Buntsandstein serves as an important reservoir of groundwater and lithium-rich geothermal brines. The scientific objective of this study is to comprehend the architecture of the Lower Grès Vosgien Formation (LGV), Middle Buntsandstein; how sedimentological processes, at different scales, generate significant permeability heterogeneities; and the effect of such heterogeneity in fluid-flow modelling results. The study employs high-resolution sedimentological characterisation, through vertical profile descriptions, digital outcrop model, and petrographic analysis. Subsequently, permeability measurements are coupled with sedimentological data, to identify different scales of sedimentary controls on permeability distribution. Finally, a realistic 2D hydrostratigraphyc conceptual model is generated as a reference, to evaluate how different scenarios of heterogeneity simplification impact fluid-flow modelling, concerning particle residence time, macro-dispersivity and upscaled anisotropy.Results indicate that 93% of the LGV is composed of sandstones deposited by a braided fluvial system, with evidence suggesting that discharge variability was a main depositional controlling factor of sedimentary facies and heterogeneity distribution. The LGV stacking pattern reveals periods when fluvial processes were absent, and aeolian processes dominated sediment transport and deposition, constituting 7% of the total LGV thickness. The aeolian deposits record indications of persistent water in the system, either due to water table rise or ephemeral floods In the fluvial channel facies association, an inverse relationship between fluvial flow regime conditions and the permeability of its facies is observed. In the wind- and water-laid facies association (WWL), permeability distribution is directly influenced by climatic conditions, where low permeability hybrid sand sheets were deposited in more humid conditions, and high permeability aeolian dunes in more arid conditions. However, despite the high permeability of the AD, the architecture of the WWL implies low connectivity potential. Compaction is the main process influencing the permeability and porosity of the LGV. Samples with a higher proportion of lithoclasts and infiltrated clay recorded a more advanced degree of compaction, whereas samples with a higher percentage of quartz overgrowth exhibited a lower degree of compaction. The diagenetic overprint affected the distinct facies differently, indicating that primary sedimentary processes and architecture govern the distribution of permeability heterogeneity in the LGV. Permeability data from outcrops exhibited median values up to three orders of magnitude higher than those from subsurface data. However, the same facies, and similar trends of relative porosity-permeability responses to the distinct facies, are observed between outcrops and borehole samples, highlighting sedimentology as an indispensable proxy for reservoir heterogeneity studies[...]

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Cugny, Pierre. "Modèles paléoécologiques : analyse quantitative des faciès dans diverses formations crétacées des marges néotéthysiennes et atlantiques : associations paléontologiques et paléoenvironnements /". Toulouse : Université Paul Sabatier, Laboratoire de géologie sédimentaire et paléontologie, 1988. http://catalogue.bnf.fr/ark:/12148/cb349982375.

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Feraga, Touhami. "Étude quantitative et qualitative des eaux thermales du Nord-Est algérien". Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT147.

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Au Nord-Est de l’Algérie, les sources thermales se situent dans une région de 53 500 km² de surface, qui s’étend sur une largeur de 473 km d’Ouest en Est, de Bejaia à El-Kala (frontière tunisienne), et sur une distance de 190 km du Nord au Sud. Elle comprend sept principales unités géologiques (nappes Telliennes, Chaine Calcaire, Néritiques, Sud Constantinois, Allochtone Sud-Sétifien, Parautochtone Autochtone, flysch). Cette thèse répond à un besoin de l’office national du tourisme Algérien qui souhaite en premier lieu la création de base de données regroupant plusieurs informations sur les sources, afin de faciliter le choix d’implantation d’infrastructures dédiées au tourisme thermal.Le contexte géologique est marqué par une structure géologique mise en place par des épisodes tectoniques (orogénèse Alpine) d’âge Priabonien à Turtonien. A ces événements, succèdent de grandes failles et des structures compressives. La méthodologie choisie pour déterminer l’origine de la minéralisation de ces eaux thermales s'appuie sur la synthèse des différentes études géophysiques et les recherches antérieures réalisées sur cette zone. Elles qui ont permis de préciser les structures et les caractéristiques géologiques générales des domaines du Nord Est Algérien dont la sismicité actuelle. L'analyse hydro-géo-chimique des eaux thermales constitue l'axe principal afin de déterminer les zones de recharge et les apports de mélange entre les différents types d’eaux chaudes et froides. Elle débouche sur l'utilisation des différents géothermomètres pour déterminer la température du réservoir profond.L’approche hydrochimique engagée repose sur deux campagnes de prélèvements qui ont été réalisées dans le cadre de ce travail ; la première a été effectuée dans la période des basses eaux au mois de septembre à octobre 2014, et l’autre a été réalisée dans la période des hautes eaux au mois de mai 2015. L'étude repose sur les mesures de terrain des paramètres chimiques et physiques non conservatifs (température, pH, conductivité électrique) et sur l'analyse des éléments majeurs, des traces, et de plusieurs isotopes (¹⁸O, ²H, ³H, ¹³C, ¹⁴C).Les diagrammes binaires et les traitements ACP menés sur les sources, dont un pourcentage élevé jalonne les grand accidents (failles), ont permis de distinguer 4 groupes d’eau géochimiquesUn groupe d’eaux (HCO₃⁻-Ca²⁺) très peu minéralisées se caractérise par des eaux ayant circulé dans des réservoirs carbonatés. Un second (HCO₃⁻-Na⁺) montre des phénomènes d’échange de base entre l’eau et les niveaux argileux. Un troisième (Cl⁻-Na⁺) ou (SO₄²⁻-Na⁺) montre un enrichissement en Na et Cl, qui traduit des circulations profondes avec échange chimique avec la matrice rocheuse sédimentaire évaporitique. Le dernier groupe (SO₄²⁻-Ca²⁺) ou (Cl⁻-Ca²⁺) a acquis sa minéralisation dans des formations Triasiques
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Bode, Oliver. "Quantitative Analyse dynamischer nichtlinearer Panelmodelle". [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=967138493.

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Lafargue, Christophe. "Analyse biologique quantitative non instrumentée". Bordeaux 2, 1994. http://www.theses.fr/1994BOR2P052.

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Voutay, Olivier. "Mise au point d'attributs sismiques pour l'interprétation AVO et 4D des réservoirs pétroliers par analyse en composantes généralisée". Vandoeuvre-les-Nancy, INPL, 2003. http://www.theses.fr/2003INPL009N.

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Nous proposons d'extraire à partir de données sismiques multicubes de nouveaux attributs sismiques par des analyses en composantes généralisées, résumant les données initiales, tout en gardant un lien clair avec ces dernières et permettant de mettre en évidence toute redondance d'information. Ces nouveaux attributs sont ensuite géologiquement interprétés à l'aide de méthodes statistiques. Dans le cadre AVO, l'apport de l'information sismique avant sommation vis à vis de l'information sismique après sommation est mis en évidence, sur un cas synthétique réaliste, puis sur un cas réel. Dans le cadre 4D, sur un cas réel, la part de non reproductibilité du signal sismique en dehors du réservoir est mesurée, puis les variations du signal au cours du temps au sein du réservoir, suite à son exploitation, sont interprétées. La méthodologie développée a également été adaptée afin de définir un attribut de cohérence, mesurant une similarité locale entre plusieurs cubes sismiques 4D ou AVO.

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Mathieu, Sandrine. "Aide à la détermination de faciès pédopaysagers à partir de données satellitaires". Paris 7, 1994. http://www.theses.fr/1994PA077270.

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Ce travail traite de l'aide à la détermination de faciès pedopaysagers. Cette aide est focalisée sur la connaissance de l'occupation du sol comme une somme de pourcentages de mélanges. La méthode de détermination des pourcentages de mélanges s'applique à des images ayant subi des corrections atmosphériques et topographiques. Suit la description de l'analyse linéaire mise en oeuvre sur les canaux de la scène multi-spectrale. La détermination des spectres de référence, et le processus de calcul des pourcentages dans les pixels terminent l'exposé de l'analyse. Cette méthode subit plusieurs phases de validation qui commencent par la confrontation avec des vérites terrain exprimées sous forme de pourcentages de mélanges et continuent par la comparaison avec des classifications classiques de l'occupation du sol. La dernière étape consiste en l'analyse de l'apport des valeurs de pourcentages de mélange pour la classification de l'occupation du sol. Nous montrons que l'expression de l'occupation du sol comme la somme de pourcentages de mélanges est celle qui s'approche le plus de la réalité.

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Libros sobre el tema "Analyse quantitative des faciès"

Lux, Hermann y Wolfgang Fichtner. Quantitative Anorganische Analyse. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-77246-7.

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Beyer, Christian. Quantitative Anorganische Analyse. Berlin, Heidelberg: Springer Berlin Heidelberg, 1996. http://dx.doi.org/10.1007/978-3-642-61482-8.

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Margraf, Otti. Quantitative Analyse hierarchischer Strukturen. Berlin: Akademie-Verlag, 1987.

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Benes, Daniel M. Quantitative Analyse österreichischer Konzernabschlüsse 1994. Wien: Linde, 1997.

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John, Mendham, ed. Analyse chimique quantitative de Vogel. Paris: DeBoeck Université, 2006.

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Reischle, Klaus *. Qualitative und quantitative Analyse strukturverwandter Schwimmbewegungen. Heidelberg: Universität Heidelberg, 1987.

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Fluck, Ekkehard. Einführung in die Theorie der quantitativen Analyse. 7^a ed. Darmstadt: Steinkopff, 1990.

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Samuel, Kabore Tambi y Institut Panos Afrique de l'Ouest, eds. Analyse quantitative et économique de la pauvreté. Dakar: Institut Panos Afrique de l'Ouest (Panos Institute West Africa), 2005.

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Day, R. A. Quantitative analysis. 6^a ed. Englewood Cliffs, N.J: Prentice-Hall, 1991.

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Ott, Günter. Einkommensumverteilungen in der gesetzlichen Krankenversicherung: Eine quantitative Analyse. Bern: Peter Lang International Academic Publishers, 2018.

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Capítulos de libros sobre el tema "Analyse quantitative des faciès"

Schöch, Christof. "Quantitative Analyse". En Digital Humanities, 279–98. Stuttgart: J.B. Metzler, 2017. http://dx.doi.org/10.1007/978-3-476-05446-3_20.

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Seibold, Laura K. C. "Quantitative Analyse". En Wachstum von Familienunternehmen, 61–77. Wiesbaden: Springer Fachmedien Wiesbaden, 2016. http://dx.doi.org/10.1007/978-3-658-16578-9_5.

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Elspaß, Stephan. "Quantitative Analyse". En Phraseologie in der Politischen Rede, 100–146. Wiesbaden: VS Verlag für Sozialwissenschaften, 1997. http://dx.doi.org/10.1007/978-3-663-12295-1_6.

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Mohr, Gregory. "Quantitative Analyse". En Slow-Burn-Narration, 113–21. Wiesbaden: Springer Fachmedien Wiesbaden, 2018. http://dx.doi.org/10.1007/978-3-658-22675-6_3.

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Kirchner, Petra. "Quantitative Analyse". En Literatur-Shows, 31–126. Wiesbaden: Deutscher Universitätsverlag, 1994. http://dx.doi.org/10.1007/978-3-663-14592-9_3.

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Lyra, Sven. "Quantitative Analyse". En Business, Economics, and Law, 23–45. Wiesbaden: Springer Fachmedien Wiesbaden, 2024. http://dx.doi.org/10.1007/978-3-658-46024-2_3.

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Latscha, Hans Peter, Gerald Walter Linti y Helmut Alfons Klein. "Klassische quantitative Analyse". En Analytische Chemie, 165–316. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18493-2_5.

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Latscha, Hans Peter, Helmut Alfons Klein y Klaus Gulbins. "Klassische quantitative Analyse". En Chemie für Laboranten und Chemotechniker, 118–238. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73969-9_4.

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Latscha, Hans Peter y Helmut Alfons Klein. "Klassische quantitative Analyse". En Analytische Chemie, 163–297. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-97604-9_6.

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Vidal, C. y W. R. Külpmann. "Analyse, quantitative toxikologische". En Lexikon der Medizinischen Laboratoriumsdiagnostik, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-49054-9_184-1.

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Actas de conferencias sobre el tema "Analyse quantitative des faciès"

Eberle, C. y C. Ament. "Digitale Diabetologie – Eine quantitative Analyse diabetesspezifischer mHealth-Apps". En Diabetes Kongress 2019 – 54. Jahrestagung der DDG. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1688129.

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Kick, A., M. Schulz, C. Schirmer, M. Mertig, K. Ostermann y G. Rödel. "P1.14 - Quantitative Diclofenac-Analyse mittels gentechnisch veränderter Saccharomyces cerevisiae". En 14. Dresdner Sensor-Symposium 2019. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2019. http://dx.doi.org/10.5162/14dss2019/p1.14.

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Batsale, J. C., J. P. Lasserre, M. Varenne-Pellegrini, V. Desormiere, L. Authesserre, A. Descuns y G. Lamothe. "Transient Heat Transfer in Rotating Cylinder - Thermography Measurement to Analyse Intense Heat Flux Distribution". En 2008 Quantitative InfraRed Thermography. QIRT Council, 2008. http://dx.doi.org/10.21611/qirt.2008.07_03_11.

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Moser, V., F. Segovia-Miranda, C. Schafmayer, M. Brosch, H. Morales-Navarrete, Y. Kalaidzidis, M. Zerial y J. Hampe. "3D Rekonstruktion und quantitative räumliche Analyse der nicht-alkoholischen Fettlebererkrankung (NAFLD)". En Viszeralmedizin 2017. Georg Thieme Verlag KG, 2017. http://dx.doi.org/10.1055/s-0037-1605082.

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Gao, Z., G. Feng, Y. Zhao y A. Surita. "Facial Nerve 3-Dimensional Dynamic Quantitative Analysis System". En Abstract- und Posterband – 91. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Welche Qualität macht den Unterschied. © Georg Thieme Verlag KG, 2020. http://dx.doi.org/10.1055/s-0040-1711414.

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Wu, Ke y Weiyang Chen. "Quantitative Analysis of Facial Symmetry Among Different Expressions". En 2021 7th International Conference on Systems and Informatics (ICSAI). IEEE, 2021. http://dx.doi.org/10.1109/icsai53574.2021.9664110.

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Alias, Basil P., Raghave Upadhyaya y James Zhang. "In Search of a Quantitative Facial Analysis Tool: An Initial Study". En 2024 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/dmd2024-1050.

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Abstract The subjective nature of analyzing outcomes following facial plastic surgery poses a great challenge to providing objective evaluations of patients. Currently, there is a lack of accurate quantitative tools to monitor facial appearance and function. We introduce a novel quantitative facial analysis tool dubbed numeriFACE, which utilizes the recent advances in mobile camera technology and machine learning to provide precise and reliable automated facial mapping and scoring. numeriFACE allows for both retrospective analysis of existing 2D images, as well as more advanced prospective analysis utilizing depth information. numeriFACE was used in its two study arms to harvest six key facial measurements: intercanthal distance, mouth width, pronasale to menton, alar base width, mid-face height, and lower-face height. These were then compared to standard-of-care caliper measurements showing a strong degree of correlation overall. numeriFACE provides a reliable and repeatable point-by-point registration of human facial features. It has the potential to be used in a vast array of facial characterization most specifically analyzing mid-face symmetry. Future studies are aimed at utilizing the software in the fields of reconstructive as well as aesthetic surgery.

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Chevereau, G. y H. Dumay. "Analyse quantitative du mouvement de la pollution dans le système lagunaire palavasien". En Journées Nationales Génie Côtier - Génie Civil. Presses Universitaires de Perpignan, 1994. http://dx.doi.org/10.5150/jngcgc.1994.032-c.

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Aminmansour, Sina, Frederic Maire y Christian Wullems. "Video Analytics for the Detection of Near-Miss Incidents on Approach to Railway Level Crossings". En 2014 Joint Rail Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/jrc2014-3811.

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Recent modelling of socio-economic costs by the Australian railway industry in 2010 has estimated the cost of level crossing accidents to exceed AU$116 million annually. To better understand causal factors that contribute to these accidents, the Cooperative Research Centre for Rail Innovation is running a project entitled Baseline Level Crossing Video. The project aims to improve the recording of level crossing safety data by developing an intelligent system capable of detecting near-miss incidents and capturing quantitative data around these incidents. To detect near-miss events at railway level crossings a video analytics module is being developed to analyse video footage obtained from forward-facing cameras installed on trains. This paper presents a vision base approach for the detection of these near-miss events. The video analytics module is comprised of object detectors and a rail detection algorithm, allowing the distance between a detected object and the rail to be determined. An existing publicly available Histograms of Oriented Gradients (HOG) based object detector algorithm is used to detect various types of vehicles in each video frame. As vehicles are usually seen from a sideway view from the cabin’s perspective, the results of the vehicle detector are verified using an algorithm that can detect the wheels of each detected vehicle. Rail detection is facilitated using a projective transformation of the video, such that the forward-facing view becomes a bird’s eye view. Line Segment Detector is employed as the feature extractor and a sliding window approach is developed to track a pair of rails. Localisation of the vehicles is done by projecting the results of the vehicle and rail detectors on the ground plane allowing the distance between the vehicle and rail to be calculated. The resultant vehicle positions and distance are logged to a database for further analysis. We present preliminary results regarding the performance of a prototype video analytics module on a data set of videos containing more than 30 different railway level crossings. The video data is captured from a journey of a train that has passed through these level crossings.

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Hsu, Gee-Sern Jison y Min-Hsiang Chang. "Deep Hybrid Network for Automatic Quantitative Analysis of Facial Paralysis". En 2018 15th IEEE International Conference on Advanced Video and Signal Based Surveillance (AVSS). IEEE, 2018. http://dx.doi.org/10.1109/avss.2018.8639156.

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Informes sobre el tema "Analyse quantitative des faciès"

Ben, Jehonathan, Amanuel Elias, Rachel Sharples, Kevin Dunn, Craig McGarty, Mandy Truong, Fethi Mansouri, Nida Denson, Jessica Walton y Yin Paradies. Identifying and filling racism data gaps in Victoria: A stocktake review. Centre for Resilient and Inclusive Societies, junio de 2022. http://dx.doi.org/10.56311/mqvn2911.

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Despite Australia’s and Victoria’s stated commitment to promoting multiculturalism and equality, and to eradicating racism, our knowledge about the nature, extent and impact of different forms of racism on diverse populations is not as well-developed as it should be. Stakeholders addressing racism increasingly recognise that anti-racism initiatives must rely on robust scholarly evidence and high-quality data. Yet existing data have serious limitations. We report on a stocktake review of racism data collected nationally in Australia and with a specific focus on Victoria. We provide a comprehensive overview, summary and synthesis of quantitative data on racism, identify gaps in racism data collection, analysis and uses, and make recommendations on bridging those data gaps and informing anti-racism action and policy. Overall, the review examines data collected by 42 survey-based, quantitative studies, discussed in over 120 publications and study materials, and 13 ongoing data collection initiatives, platforms and projects. Based on the review, we identified eight gaps to racism data collection and analysis and to collection methodologies. We recommend four interconnected ways to fill racism data gaps for anti-racism researchers, organisations and policymakers: 1) Further analyse existing data to address critical questions about racism; 2) Collect and analyse additional data; 3) Enhance data availability and integration; and 4) Improve policies that relate to the collection, analysis, reporting and overall management of racism data.

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Marchais, Gauthier, Marchais, Gauthier, Sweta Gupta, Cyril Owen Brandt, Patricia Justino, Marinella Leone, Eustache Kuliumbwa, Olga Kithumbu, Issa Kiemtoré, Polepole Bazuzi Christian y Margherita Bove. Marginalisation from Education in Conflict-Affected Contexts: Learning from Tanganyika and Ituri in the DR Congo. Institute of Development Studies (IDS), enero de 2021. http://dx.doi.org/10.19088/ids.2021.017.

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This Working Paper analyses how violent conflict can enhance or reduce pre-existing forms of marginalisation and second, how new forms of marginalisation emerge as a result of violent conflict. To do so, we focus on the province of Tanganyika in the DRC, where the so-called ‘Twa-Bantu’ violent conflict has been disrupting the education sector since 2012, and secondarily on the province of Ituri, which has been affected by repeated armed conflicts since the 1990s. We use a mixed methods approach, combining quantitative data collection methods and several months of qualitative fieldwork. The study shows that the political marginalisation of ethno-territorial groups is key in understanding marginalisation from education in contexts of protracted conflict. Our results show that the Twa minority of Tanganyika has not only been more exposed to violence during the Twa-Bantu conflict, but also that exposure to violence has more severe effects on the Twa in terms of educational outcomes. We analyse key mechanisms, in particular spatial segregation, and the social segregation of schools along ethnic/identity lines. We also analyse the interaction between ethno-cultural marginalisation and economic, social and gender-related marginalisation.

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Marchais, Gauthier, Sweta Gupta, Cyril Owen Brandt, Patricia Justino, Marinella Leone, Eustache Kuliumbwa, Olga Kithumbu, Issa Kiemtoré, Polepole Bazuzi Christian y Margherita Bove. Marginalisation from Education in Conflict-Affected Contexts: Learning from Tanganyika and Ituri in the DR Congo. Institute of Development Studies (IDS), enero de 2021. http://dx.doi.org/10.19088/ids.2021.048.

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Knight, R. D. y H. A. J. Russell. Quantifying the invisible: pXRF analyses of three boreholes, British Columbia and Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331176.

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Portable X-ray fluorescence (pXRF) technology collects geochemical data at a fraction of the cost of traditional laboratory methods. Although the pXRF spectrometer provides concentrations for 41 elements, only a subset of these elements meet the criteria for definitive, quantitative, and qualitative data. However, high-quality pXRF data obtained by correct application of analytical protocols, can provide robust insight to stratigraphy and sediment characteristics that are often not observed by, for example, visual core logging, grain size analysis, and geophysical logging. We present examples of geochemical results obtained from pXRF analysis of drill core samples from three boreholes located in Canada, that demonstrate: 1) Definitive stratigraphic boundaries observed in geochemical changes obtained from 380 analyses collected over 150 m of core, which intersects three Ordovician sedimentary formations and Precambrian granite. These boundaries could not be reconciled by traditional visual core logging methods. 2) Significant elemental concentration changes observed in 120 samples collected in each of two ~120 m deep boreholes located in a confined paleo-glacial foreland basin. The collected geochemical data provide insight to sediment provenance and stratigraphic relationships that were previously unknown. 3) Abrupt changes in the geochemical signature in a subset of 135 samples collected from a 151 m deep borehole intersecting Quaternary glacial derived till, sands, and ahomogeneous silt and clay succession. These data provide a platform for discussion on ice sheet dynamics, changes in depositional setting, and changes in provenance. Results from each of these studies highlights previously unknown (invisible) geological information revealed through geochemical analyses. A significant benefit of using pXRF technology is refining sampling strategies in near real time and the ability to increase sample density at geochemical boundaries with little increase in analysis time or budget. The data also provide an opportunity to establish a chemostratigraphic framework that complements other stratigraphic correlation techniques, including geophysical methods. Overall, data collected with pXRF technology provide new insights into topics such as spatial correlations, facies changes, provenance changes, and depositional environment changes.

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Haj Eissa, Eyad, Anna Kitlar y Ann-Kathrin Weith. Eine Randnotiz der Gesellschaft. Goethe-Universität, Institut für Humangeographie, abril de 2022. http://dx.doi.org/10.21248/gups.58868.

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Im Januar 2020 änderte sich für viele Menschen die bis dahin gekannte Normalität durch das Aufkommen des Covid-19-Virus. Dies äußerte sich in einem gravierenden Einfluss auf die physische Mobilität und führte zu einer teilweisen Verlagerung in die virtuelle Mobilität. Angelehnt an die in dieser Arbeit dargestellten Forschungsansätze ist festzustellen, dass ein kausaler Zusammenhang zwischen eingeschränkter Mobilität und sozialer Exklusion von sozialer, politischer, ökonomischer sowie persönlicher Partizipation besteht. Diese Korrelation unter pandemischen Bedingungen wurde zum Zeitpunkt der Analyse kaum untersucht, weshalb es die Zielsetzung dieser Arbeit war, die Thematisierung der Einschränkungen mobilitätsbedingter sozialer Teilhabe durch die Covid-19-Pandemie im medialen Diskurs zu erörtern. Die quantitative Analyse der drei Zeitungen Frankfurter Allgemeine Zeitung, Süddeutsche Zeitung und Die Zeit ergab, dass die mediale Auseinandersetzung mit dem Untersuchungsgegenstand nur einen marginalen Teil der Artikel prägt und damit eine Randnotiz der Gesellschaft darstellt. Die darauffolgende qualitative Inhaltsanalyse der thematisch passenden Zeitungsartikel lassen auf die Notwendigkeit einer Erweiterung der existierenden theoretischen Exklusionsdimensionen schließen. Grund dafür sind das Auftreten einer Infektionsangst sowie einer neuen Reichweite der Digitalisierung als grundlegende Exklusionsstrukturen während der Pandemie. Insbesondere in der Entscheidung um den Umgang mit dem ÖPNV spiegeln sich vielfältige gesellschaftliche Fragen um Sicherheit und Gesundheitsschutz, aber auch um soziale Teilhabe und Zugang.

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Wagner, Charlotte C., Jason Veysey, Sharna Terase Nolan y Chris Malley. Overcoming barriers to integrated planning – tools and training for countries to combine climate and development aims. Stockholm Environment Institute, junio de 2022. http://dx.doi.org/10.51414/sei2022.023.

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The goals of the Paris Agreement and the 2030 Agenda for Sustainable Development tightly interlink across social, technical and economic spheres. Achieving them requires swift and vigorous action by policymakers now. An integrated approach to climate and development policy planning is essential to capitalize on synergies among goals and to avoid achieving some goals at the expense of others. Such integrated planning requires accessible, quantitative tools that can compare policy options, and analyse impacts on Sustainable Development Goals (SDGs) and climate mitigation. This brief outlines recent improvements to SEI’s pioneering Low Emissions Analysis Platform (LEAP), which, to the best of the authors’ knowledge, is the lone available tool that meets these criteria. The brief also highlights SEI’s work to advance integrated planning through a dedicated initiative to expand the LEAP tool’s capabilities and to train planners in low-and middle-income countries to build their in-country capacity.

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Kaufmann, Peter, Andrea Dorr, Christina Enichlmair, Daniela Hosner, Ursula Mollay, Arash Robubi y Tatjana Zlatev. IWB/EFRE-OP AT 2014-20 Begleitende Evaluierung Leistungspaket 2: Kleine und mittlere Unternehmen (KMU) – Endbericht. KMU Forschung Austria, diciembre de 2019. http://dx.doi.org/10.22163/fteval.2019.578.

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Diese Studie wurde im Rahmen der begleitenden Evaluierung des IWB/EFRE AT 2014-2020 erstellt. Sie konzentriert sich auf die Prioritätenachse 2, „Stärkung der Wettbewerbsfähigkeit von kleinen und mittleren Unternehmen“ und zielt auf die Analyse der Konzeption, Umsetzung, Zielerreichung und die Wirkungen ab. Methodisch basiert die Studie auf dem Ansatz der theoriebasierten Evaluation, indem eine empirisch und konzeptionell fundierte Interventionslogik und maßnahmenspezifische Wirkungsmodelle entwickelt wurden. Auf dieser Basis werden unterschiedliche qualitative und quantitative Methoden der empirischen Sozial- und Wirtschaftswissenschaften eingesetzt, um die unterstellten Annahmen und Wirkungsmechanismen zu überprüfen. Das IWB/EFRE-Programm versteht sich als ergänzendes Instrument im nationalen und regionalen Förderspektrum. Die Fördergebiete umfassen das gesamte Bundesgebiet, für die in der Periode 2014-2020 ein Budget von € 536,26 Mio. zur Verfügung steht. Die Finanzmittelallokation pro thematischem Ziel sowie die Höhe des nationalen Beitrags („Kofinanzierungssatz“) variieren jedoch, da das Burgenland als Übergangsregion eingestuft wird, während die anderen Bundesländer zu den stärker entwickelten Regionen zählen.

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Hänel, Jonas, Claudia Kütter y Lucie Strauß. ERPP-Studie Sachsen 2023 - Ein multiperspektivischer Blick auf die Herausforderungen und Gestaltungsmöglichkeiten der praktischen Pflegeausbildung in Sachsen. Technische Universität Dresden, 2024. http://dx.doi.org/10.25368/2024.14.

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Der Forschungsbericht beinhaltet die Ergebnisse der Studie „Erfahrungsraum praktische Pflegeausbildung“ (ERPP-Studie Sachsen 2023). Es handelt sich dabei um eine Begleitstudie, welche in der ersten Phase des Modellprojektes „Beratungsstelle Pflegeausbildung Sachsen“ vom September 2022 bis August 2023 durchgeführt wurde. Dieses Projekt war an der Technischen Universität Dresden an der Professur Gesundheit und Pflege/Berufliche Didaktik angesiedelt und wurde vom Sächsischen Staatsministerium für Soziales und Gesellschaftlichen Zusammenhalt gefördert. Die Studie beinhaltete eine multiperspektivische Analyse in Bezug auf verschiedene Themenkomplexe der praktischen Pflegeausbildung in Sachsen. Es werden die Hintergründe für Ausbildungsabbrüche im Pflegeberuf 1.), die speziellen Herausforderungen der Praxisanleitung 2.), die Formen und Probleme der Lernortkooperation 3.) sowie die Bedarfe an Unterstützungs- und Beratungsangeboten 4.), in Bezug auf die Akteursgruppen der Auszubildenden, Praxisanleitenden, Pflegelehrenden und Pflegedienstleitenden, untersucht. Das Vorgehen der Forschung ist von einer Methodentriangulation gekennzeichnet, weshalb im Bericht sowohl qualitative und quantitative Forschungsergebnisse präsentiert werden. Der vorliegende Forschungsbericht bietet eine multiperspektivische Darstellung zentraler Herausforderungen und Gestaltungsmöglichkeiten der praktischen Pflegeausbildung in Sachsen. Neben der Präsentation und Diskussion der Ergebnisse werden zudem praxisnahe Empfehlungen formuliert. Der Bericht richtet sich damit gleichermaßen an Pflegedienstleitungen, Praxisanleitende, Pflegelehrende und Auszubildende im Pflegeberuf.

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Alonso-Robisco, Andres, Jose Manuel Carbo, Emily Kormanyos y Elena Triebskorn. Houston, we have a problem: can satellite information bridge the climate-related data gap? Madrid: Banco de España, septiembre de 2024. http://dx.doi.org/10.53479/37572.

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Central banks and international supervisors have identified the difficulty of obtaining climate information as one of the key obstacles to the development of green financial products and markets. To bridge this data gap, the use of satellite information from Earth Observation (EO) systems may be necessary. To better understand this process, we analyse the potential of applying satellite data to green finance. First, we summarise the policy debate from a central banking perspective. We then briefly describe the main challenges for economists in dealing with the EO data format and quantitative methodologies for measuring its economic materiality. Finally, using topic modelling, we perform a systematic literature review of recent academic studies to identify the research areas in which satellite data are currently being used in green finance. We find the following topics: physical risk materialisation (including both acute and chronic risk), deforestation, energy and emissions, agricultural risk and land use and land cover. We conclude with a comprehensive analysis on the financial materiality of this alternative data source, a mapping of these application domains to new green financial instruments and markets under development, such as thematic bonds or carbon credits, and some key considerations for policy discussion.

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Bover, Olympia, Laura Crespo, Sandra García-Uribe, Marina Gómez-García, Paloma Urcelay y Pilar Velilla. Micro and macro data on household wealth, income and expenditure: comparing the Spanish Survey of Household Finances (EFF) to other statistical sources. Madrid: Banco de España, marzo de 2024. http://dx.doi.org/10.53479/36212.

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This paper assesses how magnitudes constructed from Spanish Survey of Household Finances (EFF) micro data compare with magnitudes from alternative sources, including the Financial Accounts of the Spanish Economy (FASE) and other income and consumption surveys. To do so, first we analyse the main differences among the sources and the main concepts that can be compared. For those magnitudes that are conceptually comparable, we quantify the extent to which the EFF magnitudes capture those from the other sources used. We document a high degree of conceptual and quantitative comparability. Our results show that aggregate non-financial assets and debts from the EFF are similar to the aggregated magnitudes from other sources. The composition of the financial asset portfolio held by households in aggregate terms is also similar across the sources, while the comparison for each individual financial asset category varies. In particular, listed and unlisted shares in the survey are the closest to their FASE counterparts. For income, the aggregate calculated on the basis of the EFF data is close to the aggregates calculated from several different sources. The results also show that the similarity between the EFF and other sources has improved across waves for some particular variables, for example, debt magnitudes.

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