Teses / dissertações sobre o tema "Techniques d'extraction"
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Inthasone, Somsack. "Techniques d'extraction de connaissances en biodiversité". Thesis, Nice, 2015. http://www.theses.fr/2015NICE4013/document.
Texto completo da fonteBiodiversity data are generally stored in different formats. This makes it difficult for biologists to combine and integrate them in order to retrieve useful information and discover novel knowledge for the purpose of, for example, efficiently classifying specimens. In this work, we present the BioKET data warehouse which is a consolidation of heterogeneous data stored in different formats and originating from different sources. For the time being, the scope of BioKET is botanical. Its construction required, among others things, to identify and analyze existing botanical ontologies, to standardize and relate terms in BioKET. We also developed a methodology for mapping and defining taxonomic terminologies, that are controlled vocabularies with hierarchical structures from authoritative plant ontologies, Google Maps, and OpenStreetMap geospatial information system. Data from four major biodiversity and botanical data providers and from the two previously mentioned geospatial information systems were then integrated in BioKET. The usefulness of such a data warehouse was demonstrated by applying classical knowledge pattern extraction methods, based on the classical Apriori and Galois closure based approaches, to several datasets generated from BioKET extracts. Using these methods, association rules and conceptual bi-clusters were extracted to analyze the risk status of plants endemic to Laos and Southeast Asia. Besides, BioKET is interfaced with other applications and resources, like the GeoCAT Geospatial Conservation Assessment Tool, to provide a powerful analysis tool for biodiversity data
Pham, Hoang Son. "Nouvelles techniques d'extraction de motif pour l'étude d'association à l'échelle du génome". Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S074/document.
Texto completo da fonteDiscovering high-order SNP combinations associated with diseases is an important task of bioinformatics. Once new genetic associations are identified, they can be used to develop better trategies to detect, treat and prevent the diseases. Recently, this issue has been effectively tackled with discriminative pattern mining algorithms. However, the number of SNPs is often very large, discovering of SNP combinations remains many challenges. To address these challenges this thesis has been advanced the state-of-the-art discriminative pattern mining techniques to discover SNP combinations associated with interesting phenotype. Different solutions have been proposed in this thesis to tackle GWAS analysis. These solutions focus on efficient association strength evaluation, statistically significant discriminative SNP combinations discovery and interesting SNP combinations visualization. The solutions proposed in this thesis are also promising for other tasks of bioinformatics such as differential gene expression discovery, phosphorylation motifs detection and regulatory motif combination mining
Amer, Fawzy. "Les algorithmes d'extraction de contours ligne par ligne". Compiègne, 1986. http://www.theses.fr/1986COMPI235.
Texto completo da fonteMahboubi, Amal Kheira. "Méthodes d'extraction, de suivi temporel et de caractérisation des objets dans les vidéos basées sur des modèles polygonaux et triangulés". Nantes, 2003. http://www.theses.fr/2003NANT2036.
Texto completo da fontePaisant, Jean-Francois. "Modélisation numérique et validation expérimentale de l'hydrodynamique d'une émulsion dans une colonne d'extraction". Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066453/document.
Texto completo da fonteIn the core of spent fuel reprocessing operations, the pulsed columns with packing are the liquid-liquid extraction apparati mainly used. The context of economical competiveness and scarce resources, industrials are driven to improve the efficiency of these processes. Pulsed column efficiency is bound to the amount of available exchange surface, which depends on geometrical parameters of the column and the operating conditions. A better design would improve the efficiency. In this aim the knowledge of the interphase slip velocity is necessary. The work presented in this thesis revolves around physical and numerical modelling of the hydrodynamics of the emulsion and its experimental characterization.In this work, a eulerian approach, based on the work of D.Lhuillier, allows to obtain a two-fluid model coupled with an evolution equation of the exchange surface (interfacial area). We use finite elements method to solve this model along with CAST3M software. Numerical simulations have shown the model abilities to correctly reproduce the emulsion behaviour and to obtain the slip velocity.In order to experimentally validate the model, we carried out two types of experimentation. Particles images velocimetry coupled to laser induced fluorescence are involved to obtain velocities of each phases and the dispersed phase volume fraction. We developed a tracking algorithm to obtain the dispersed phase velocity and the hold up. These results, such as velocities and strain rate tensor, have been used in a first validation of the model
Castillo, Reitz Maria. "Etude d'un système d'extraction et présentation de résumés pour les bases de données". Montpellier 2, 1994. http://www.theses.fr/1994MON20277.
Texto completo da fonteClavelin, Pierre. "Contribution à l’étude de la pollution des sols par des composés organochlorés : : préparation de mélanges témoins - : Etude comparative de techniques d'extraction". Lyon, INSA, 1993. http://www.theses.fr/1993ISAL0088.
Texto completo da fonteIn a first step, we have tried to prepare dry or humidified mixtures composed with clays or real soils homogeneously spiked by organochlorine pollutants (Pyralène Tl, chlorophenols). Beyond the homogeneity aspect, we wanted to know if the preparation procedure allow to obtain pollutant adsorption on the absorbent. Finally we propose a protocol (with a rotary evaporator) satisfying the homogeneity critter. However, we observe some pollutant losses and we show that, for dry mixtures, the pollutant is not adsorbed but only coats soil particles. We demonstrate the water effect on adsorption. In a second step, with these synthetic mixtures, we compared the efficiency of four types of extraction techniques: thermal way (micro sublimation, thermal desorption, pyro-injection), by liquid organic solvents (Soxhlet, Soxtec), by carbon dioxide (liquid, gas or supercritical) and by water leaching (at various temperature and pression conditions). Good recoveries are found with techniques using temperature and/or pressure (micro-sublimation) an and an solvent (water, carbon dioxide or organic solvent). As well as adsorption, water influences desorption quality
Gambetta, Nicolas. "Évolution du modèle du transistor bipolaire et des techniques d'extraction de paramètres, pour la simulation de circuits intègres logiques et analogiques hautes fréquences". Grenoble INPG, 1997. http://www.theses.fr/1997INPG0033.
Texto completo da fonteGarcia, Fajardo Jorge Alberto. "Etude comparative de trois techniques d'extraction des huiles essentielles d'origan (Lippia graveolens H. B. K. ) et de la baie de piment (Pimenta dioica Merrill)". Toulouse, INPT, 1995. http://www.theses.fr/1995INPT024G.
Texto completo da fonteMiège, Cécile. "Nouvelles techniques d'extraction et de purification appliquees aux boues issues du traitement des eaux usees pour la determination de polluants organiques par les methodes chromatographiques". Paris 6, 2000. http://www.theses.fr/2000PA066330.
Texto completo da fonteLiot, Catherine. "Les salines préhispaniques du bassin de Sayula (occident du Mexique) : milieu et techniques". Paris 1, 1998. http://www.theses.fr/1998PA010558.
Texto completo da fonteThis study is tending towards two complementary lines of research : on the one hand, the reconstitution of technical acts in a chronological and spatial prospect ; on the other hand, the determination of salt production role in the prehispanic populating of the sayula basin and its integration within western mexico. The interpreting keys necessary to decipher the archaeological information have been supplied by the combination of several methodological approaches. * Ecological approach series of measures and analysis of soil and water samples in various playa fields, during a climatic year, allowed to propose a sequence of spatial distribution of the salinity, both qualitative and quantitative. This distribution is issued from ancient geochemical and sedimentary processes which suggest a relative stability at the scale of the study (the two ultimate millenaries). Nevertheless, we have estimated the effects of paleoclimatic oscillations on the saline earths availability by comparing them with the seasonal climatic rates. Moreover, experimental reconstitutions in laboratory allowed to prove the technical methods and to characterize the salts produced, from earths sampled in the basin. * Ethnographic and ethnohistorical approach the ethnographic and ethnohistorical descriptions allowed to draw up source references of the technical replies specific to an environment. * Archaeological approach the archaeological data have been analyzed according to three complementary scales : - the Playa : prospecting and classification of the sites upon their surface features ; - the sites : excavation of different activity areas representatives of the variability ; - the vestiges : typological analysis of the remains (spoiled sediments, features and ceramic vessel). The chronological dimension of the study allowed to identify various degrees of technical evolution. These transformations are shortly involved in the socio-economical and cultural changes of the occupation. They reveal an increase in salt production and a gradual integration of the sayula basin in the western exchanges networks
Delafosse, Doriane. "Contributions des principales étapes du traitement des eaux usées à l’abattement des charges en virus entériques humains : approche des mécanismes mis en jeu". Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALV019.
Texto completo da fonteHuman enteric viruses (HuEV), which are responsible for the majority of acute gastroenteritis, arereleased in large quantities into the water environment via faeces. Analysis of HuEV loads in wastewatertherefore represents a real public health issue, both at the treatment plant inlet (1st epidemic alert level)and at the outlet (contamination of downstream environments).Through this work, we wanted to contribute to the effort to improve the analysis of HuEVs inwastewater, which, faced with a complex and changing environment, is still too constrained by the limitsof the techniques used. We also wanted to provide elements for interpreting the contribution of the playersinvolved in virus retention in WWTPs.In the 1st chapter, a methodology for the analysis of viral loads in wastewater was optimised in termsof human and material resources available to an environmental analysis laboratory. The protocol wassubsequently applied throughout the remainder of the thesis. With regard to the sampling process, ourresearch was conducted as part of an investigation into the potential of innovative techniques for theextraction of viruses using adsorbent materials, namely activated carbon and chitosan. These have resultedin the creation of prototype samplers, from which a field passive sensor will be developed.Before going into detail about the effects of treatments on viral loads, it was necessary to examine thereality of their abatement under real conditions in a WWTP. The 2nd chapter presents the operation of theGrand Chambéry UDEP through some of the plant's self-monitoring analyses, supplemented byquantifications of norovirus (NoV) and adenovirus (AdV). A multiple correlation analysis shed light on themutual relationships between concentrations and abatement rates of HuEVs, as well as their relationshipswith some of the variables that explain their physical and chemical environment.The primary treatment of the UDEP is the removal of suspended solids through decantation, facilitated bythe addition of polymers. The 3rd chapter presents a comparative analysis of the effects of differentpolymers, selected on the basis of their physical and chemical properties, in terms of retention and viabilityof viral loads. In general, the findings indicate that a significant number of HuEVs pass through this phasewithout being retained. Infectivity measurements indicate that the majority of the particles retain theirinfectious nature, although the majority are retained in the flocs.The relative contributions of the various processes involved in virus retention in biological reactors,whether physical, chemical or biological, remain poorly understood. In this context, we aim to contributeto the existing body of knowledge by presenting the tests described in the 4th chapter, which represent apreliminary approach to the subject matter. The retention of HuEVs was conducted at two distinct scales:firstly, at the laboratory pilot level, which simulated the biofilters of the UDEP; and secondly, at themicrocosm level, represented by grains of pozzolan colonised by biofilms. The results elucidated the extentand temporality of the physical and biological processes involved in HuEV retention.In conclusion, the work emphasises the value of a comprehensive approach to the processes involved ineliminating viral loads from wastewater in WWTPs in order to gain a deeper understanding of theirperformance and to inform improvements
Sauvage, Eric. "Utilisation d'un fluide à l'état supercritique en technique d'extraction couplée à une technique d'analyse chromatographique". Lyon 1, 1992. http://www.theses.fr/1992LYO10245.
Texto completo da fonteAuclaire, Florence. "L'Elaboration d'un dictionnaire technique trilingue français-allemand-anglais : domaine minier". Paris 4, 1985. http://www.theses.fr/1985PA040081.
Texto completo da fonteFajardo, San Miguel Gerardo del Jesus. "Technique d'extraction électrochimique des chlorures : contribution a la connaissance de son domaine d'efficacité". Toulouse 3, 2004. http://www.theses.fr/2004TOU30292.
Texto completo da fonteThe objective of this work is to define the parameters, capable of rehabilitating a corroded concrete structure by the Electrochemical Chloride Extraction technique (ECE), and more precisely to clarify the application conditions of this technique. For that, the ECE technique was applied to reinforced concrete specimens before being exposed to an artificial seawater under two conditions (splash and tidal zones). The influence of various parameters was studied (chloride contamination level, state of degradation of rebar, quality and cover depth of concrete). The results demonstrate that, the characteristics of the initial profile intervened only for larger cover depths, the reduction in the chloride content near to steel – concrete interface depends on the degradation of steel and the repassivation was not systematic. The ECE treatment applied to specimens presenting a high steel corrosion rate is not sufficient to guarantee a prolongation of their service life
Benkirane, Mohammed. "Contribution à la méthodologie d'extraction de connaissances dans le domaine du diagnostic technique". Valenciennes, 1991. https://ged.uphf.fr/nuxeo/site/esupversions/7ea877be-989c-4c50-a4f5-d00844b49702.
Texto completo da fonteDupuy, Guilhem. "Construction et manipulation de maillages - Application aux géosciences". Phd thesis, Université de Pau et des Pays de l'Adour, 2008. http://tel.archives-ouvertes.fr/tel-00646256.
Texto completo da fonteBaroudi, Hafid. "Choisir le soutènement des galeries : réalisation d'un système expert". Vandoeuvre-les-Nancy, INPL, 1988. http://www.theses.fr/1988NAN10333.
Texto completo da fonteClaussmann, Lisa. "Au nom de l'environnement. Stocamine : la reconversion d'un territoire minier par l'enfouissement de déchets dangereux". Electronic Thesis or Diss., Université Paris Cité, 2023. http://www.theses.fr/2023UNIP7059.
Texto completo da fonteThis dissertation traces the history of Stocamine, a landfill site, also known as underground storage or deep storage, containing tens of thousands of tons of hazardous industrial waste comprising various chemical compounds, minerals, heavy metals, and other toxic products. This research lies at the crossroads of Science & Technology Studies and the sociology of public action. Its starting point is an astonishment at the way in which policies labelled as “environmental” operate. These policies do not, in fact, always aim to preserve the environment – they primarily regulate economic and social activities and the problems they contribute to create. They also present the promise of revitalizing certain areas by bringing in new activities.With this bewilderment as a starting point, this dissertation focuses on a public policy relating to the underground storage of industrial waste developed in the early 1990s. This resulted in the creation of Stocamine, the only site of its kind in the country, located in the city of Wittelsheim in the Haut-Rhin department, around 550 meters below ground and under a water table. Based on an analysis of five sequences during which the creation, operation and difficult closure of Stocamine were negotiated, we explore the competing versions of the underground storage narratives that sometimes promise to solve the problem of the accumulation of hazardous waste, other times promise to keep the mine going, and others still threaten to pollute the water table. This thesis traces these competing expectations, forged and put to the test in national and local political arenas, as well as in the former mining territory and in the underground space of a former potash mine in Alsace, from the 1980s to the 2010s. It offers an analysis of the social and political conditions of the existence of the subsoil beyond mining to question the uncertain resurgence of stored industrial waste. While underground storage promised, among other things, to protect the environment from the hazardous nature of waste, it is now presented as a threat to the water table. This dissertation examines what is done in the name of the environment, showing how, over the period studied, the nature and scope of the environment have changed in order to make or try to unmake underground storage infrastructure
Bourven, Isabelle. "Caractérisation de la fraction organique et minérale de la matrice extracellulaire issue de boues biologiques". Limoges, 2012. https://aurore.unilim.fr/theses/nxfile/default/bc875cd9-74ff-4bee-b5a5-2f0c156d5865/blobholder:0/2012LIMO4034.pdf.
Texto completo da fonteBioreactors allow making a wastewater biological treatment with biological sludge. Sludges are aggregates formed with microorganisms embbeded in an extracellular matrix (ECM). ECM which contains an organic and mineral fraction, is considered as the "house" of the biofilm. The study of ECM requires its extraction from sludge. We analyzed the impact of the extraction method on the PEC (extracellular polymers) from various biological sludge by steric exclusion chromatography (HPSEC) coupled with an UV detection. The impact of the extraction method on the mineral fraction of ECM from activated sludges was showed too. The scanning electronic microscopy showed the presence of a solid mineral fraction. We then characterized the protein fraction and the humic-like substances of the PEC by HPSEC coupled with fluorimetry. This method decides between proteins-like (wide range of molecular mass (MM)) and substances humiques-like (MM< 6kDa). We characterized specifically the protein fraction of the PEC with electrophoresis (SDS-PAGE) coupled with various stains. The PAS stain (periodic acid and Schiff reagent) allowed to show the presence of glycoproteins (MM : 100kDa). For the PEC from anaerobic granular sludge, the alcian blue staining at pH 2. 5 and pH 1 showed the presence of proteoglycan and sulphated proeoglycane respectively. The presence of these heteroprotein was confirmed by an immunodetection test on the glucidic motives (using lectins)
Radwan, Jean. "Contribution à la mise au point d'une technique de mesure du Kr85 dans l'océan : étude et réalisation d'un système d'extraction, de séparation et de mesure du Krypton total dissous". Paris 6, 1986. http://www.theses.fr/1986PA066529.
Texto completo da fonteRadwan, Jean. "Contribution à la mise au point d'une technique de mesure du Kr85 dans l'océan étude et réalisation d'un système d'extraction,de séparation et de mesure du Krypton total dissous /". Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37600607f.
Texto completo da fonteThibodeau, Denis. "Comportement et méthodes de dimensionnement des câbles d'ancrage utilisés dans les mines souterraines". Vandoeuvre-les-Nancy, INPL, 1994. http://docnum.univ-lorraine.fr/public/INPL_T_1994_THIBODEAU_D.pdf.
Texto completo da fonteBeaufrère, Christian. "Influence des facteurs géologiques et mécaniques sur l'évolution de la stabilité de quatre carrières souterraines exploitant le calcaire oligocène en Gironde". Bordeaux 3, 1986. http://www.theses.fr/1986BOR30200.
Texto completo da fonteJaussaud, Christel. "Contribution à l'étude thermodynamique de l'hydrolyse de Pa(V) à l'échelle des traces par la technique d'extraction liquide-liquide avec la thenoyltrifluoroacetone (TTA) : caractérisation du partage de la thenoyltrifluoroacetone dans le système TTA/H2O/toluène/Na+/H+/CIO-4". Paris 11, 2003. http://www.theses.fr/2003PA112009.
Texto completo da fonteHydrolysis of protactinium (V) according to the reactions : PaO(OH)2+ + H2O ⇋K2→ PaO(OH)2+ + H+ and PaO(OH)2+ + 2H2O ⇋K3→ PaO(OH)5 + H+ has been studied, at tracer scale, by solvent extraction method, with thenoyltrifluoroacetone (TTA) as chelating agent. A previous study concerning the partition of TTA between two immiscible phases (corresponding to TTA/toluène/Na+/H+/ClO4 - system) has allowed a complete characterization of this system (partition constants, standard thermodynamic values, TTA hydration degree in toluene ). Owing to specific properties of protactinium (V) (sorption onto various materials, formation of colloids), an extremely rigorous protocol has been established, protocol which could be used for other hydrolysable elements. Hydrolysis constants were deduced from a systematic study of partition of Pa(V) as a function TTA and proton concentration, ionic strength and temperature. Extrapolations to zero ionic strength were performed using SIT model and the specific interaction coefficients E(i,j) as well as the Pitzer parameters β(0) and β(1) were determined. Standard thermodynamic data relative to hydrolysis equilibriums of Pa(V) were also estimated
Petsoko, Maturin. "Exploitation minière et droits fondamentaux en droit camerounais - Recherche d'une conciliation entre developpement économique et droit à la santé et à la vie". Electronic Thesis or Diss., Lyon, 2020. http://www.theses.fr/2020LYSE3018.
Texto completo da fonteAlthough mining is useful because it generates revenues, it also raises difficulties because it undermines some legally protected interests. This is why it is criticized for its many negative externalities that hurt some fundamental rights, as the right to health, and finally, the right to life. The question is whether to give it up or whether to maintain it. The solution seems to be maintenance, but for that, it must be reconciled with environmental and social considerations. The research question is how to organize a mining operation that ensures the preservation of the right to health and the right to life ? To organize the conciliation between these imperatives is the object of this thesis. It is justified not only by the usefulness of mining, but also by the interests attached to the protection of fundamental rights.Faced with this difficulty, the Cameroonian legislator has taken some important, but insufficient measures that need to be completed. The analysis reveals that the regulations do not give the necessary guarantees of a legal security that would integrate both the preservation of the general interest and the private interests of mining operators, and the fundamental rights of the citizens. These legal uncertainties call for further reflection so that the technical, scientific, health and environmental uncertainties raised by mining should fully be taken into account. This is the reason why several proposals have been made to optimize this conciliation. To this end, sustainable development appears as the martingale of the reconciliation of diverging interests.Conciliation involves the avoidance of damages on the one hand and the curative treatment of the negatives effects of mining on health and life on the other. Although the field of experimentation of research is Cameroon, the analysis remains mobilizable in others contexts
Anderson, Timothy J. "Les carrières de meules du sud de la péninsule ibérique, de la protohistoire à l'époque moderne". Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00985009.
Texto completo da fonteAzzamouri, Ahlam. "Construction de méthodes et d'outils de planification pour l'industrie minière du phosphate en contexte de Lean Management". Thesis, Paris 10, 2018. http://www.theses.fr/2018PA100125/document.
Texto completo da fonteGlobal demand for mineral resources in general, and phosphate in particular, has been growing strongly for several years. In this increased competitive environment, every industry seeks to be pioneering and to reduce its costs to ensure its sustainability while complying with new responsible development regulations. Faced with this kind of challenges, a number of manufacturing industries have turned to the Japanese Lean Management approach. With this in mind, we designed our research project to develop a Lean Sustainable Mining methodology aimed at improving the mining industry’s efficiency and effectiveness at the OCP-SA center axis phosphate mine. We first conducted a detailed review of the Lean Mining (LM) literature to assess how well such an approach had already been implemented, which points are directly relevant to the mine and which are not. We also reviewed the implementation methodologies and assessed how effectively they were used. This analysis highlighted multiple shortcomings including in relation to the methodological approaches, the software bricks for decision support systems, the industrial organization methods and adequate factoring in of all energy-related aspects.We first recommend applying the ASCI (Analyze, Specification, Conception, Implementation) methodology to LM in order first to identify all the steps upstream of development of the relevant knowledge model and then the associated action model. This phase was developed based on a thorough analysis of mine soil characteristics in order to build a robust knowledge base. This methodology was then applied to the Ben Guerir mine. We believe that this methodological approach will be found useful by other industries in their effort to switch to LM.Our next step was to construct a model based on discrete event simulation for short-term decision support of mine extraction planning. This model closely matches current extractive process operations (drilling, blasting, etc.) and takes into account all the constraints whether they be in relation to the field (geology, blocks, state of the initial system, distances, ...) or to the equipment (capacity differences, technical downtime, ...). Other considerations that we factored in include the decisions taken upstream of the chain (priority source layers, maintenance program, orders, among others). The model yields the following output: deposits blocks to be extracted in order to meet the demand defined over the planning horizon, the equipment Gantt to define the route to be taken by each piece of equipment and the cumulative feed curves for extracted source layers. The purpose is to extract material required by the downstream blending process, while avoiding any non-value added activities, and to improve overall chain performance.The phosphate industry needs to define the blends used to produce the ore qualities to be shipped to domestic and international customers. We have proposed a new method for optimal definition of these blends designed to replace fixed bills of materials by dynamic ones that change over time. Our "dynamic blending" model serves to define, based on available source layer stocks i) the feedings to be conveyed from the deposit to the stock and ii) the optimal quantities to be extracted from each layer while meeting the customer’s quality specifications charter. The purpose of this approach is to produce the right quality, preserve the phosphate-rich layers for the future, streamline stocks and ensure a connection between the pushed upstream flow (deposit) and the pulled downstream flow (definition of blends)
إن الطلب العالمي على الموارد المعدنية بشكل عام، والفوسفاط على وجه الخصوص، يزداد بسرعة منذ عدة سنوات. وفي هذا السياق الذي يعنى بمنافسة قوية بين الأطر الفعالة، يسعى كل مصنع الى أن يكون الرائد في مجاله، وأن يقلل من تكاليف الإنتاج من أجل ضمان متانته في إطار خضوعه لقيود قانونية تحت منظور التنمية المسؤولة. في إطار مواجهة قضايا مماثلة، انتقلت العديد من الصناعات التحويلية، بنجاح لعدة عقود، إلى تطبيق النهج الياباني Lean Management. ولهذا السبب، فكرنا من خلال مشروع البحث هذا في اقتراح منهجية من أجل Lean Mining مسؤول، هدفه تحسين كفاءة وفعالية صناعة المعادن. جميع الطرق والمنهجيات ومفاهيم البرمجيات المقترحة في هذه الأطروحة يتم بناؤها على أساس تجارب منجزة على نظام الصناعة المعدنية لاستخراج الفوسفاط للمحور المركزي لـ OCP-SA. يتميز عملنا، الذي تم تنفيذه على شكل بحث-عملي، بمساهمات على 3 مستويات:مساهمات منهجية: نقترح منهجية ASCI-LM لتقييم تأثير تنفيذ أساليب على المنظمة الصناعية المتعلقة بالصناعة المعدنية. هذا النهج هو عبارة عن دليل منهجي للبحث-العملي في هذا المجال، الذي يشرح كيفية إضفاء الطابع الرسمي على نماذج المعرفة (رسم خرائط التدفقات) وكيفية تضمين النماذج المعلوماتية التي تجعل من الممكن تقييم سيناريوهات تنظيمية تتعلق بمشاكل التنسيق بين الأنشطة في سياق الصناعة المعدنية.أسس البرمجيات لدعم اتخاذ القرار: إن الترابط الزمكاني الذي يميز سلسلة التعدين اللوجستيكية يجعل من الصعب التنبؤ بأثر القرار المتخذ. هذا الترابط يعتبر العامل الرئيسي الذي يفسر إبطاء صناعة التعدين فيما يتعلق بتطبيق ونهج سياسة Lean Mining. يهدف نظام دعم القرار الخاص بصناعة التعدين إلى إعادة إنتاج الواقع ومن ثم اختبار أثر القرارات المتخذة، مع الأخذ بعين الاعتبار: هيئة المنجم، برنامج الصيانة، توفر الآلات، المطالب الواجب تلبيتها ... القرارات التي اتخذت في سلسلة عملية الاستخراج سيكون لها تأثير على: تطور مخزونات المادة الخام، مدى استعمال الآلات المخصصة لذلك، و تلبية المطالب ... نقترح اسسين اثنين من البرمجيات: يتناول الأول تخطيط التعدين لضمان الإدارة المتكاملة للمنجم والمساعدة في اتخاذ القرار في وقت قصير. أما الثاني فيهتم بتقييم / تحسين أساليب التنظيم في المنجم أثناء تكوين "خليط" انطلاقا من المواد الخام؛ ويعتبر هذا الأخير الناتج النهائي القابل للتسويق في إطار النظام اللوجستيكي للتعدين، ويتم إرساله إلى الزبناء الداخليين أو الخارجيين لسلسلة التوريد.أساليب جديدة للتنظيم الصناعي: لقد اقترحنا طريقة لتكوين خليط من المواد الخام والتي تختلف تماما عن الطريقة المستخدمة حاليًا. وتستند هذه الأخيرة على منطق التركيبة الثابتة في حين أننا نقترح تركيبات ديناميكية أطلقنا عليها إسم "المزج الديناميكي". تهدف هذه التسميات الديناميكية إلى تحديد الخلطات المثالية التي تتغير بتغير الوقت، اعتمادًا على المواد الخام المستخرجة وتركيبتها الكيميائية. وبالرغم من الإحجام عن تبني هذا النهج (وهو أمر طبيعي في إطار تنظيم ذو أسس "تاريخية عريقة")، فقد أظهر عمال المناجم اهتماما كبيرا بالنهج المقترح والذي تم التحقق من مصداقيته في هذا المجال والذي من الممكن تعميمه في مجال صناعي آخر