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Littérature scientifique sur le sujet « 4.0 technologie »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 10 mars 2023

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Articles de revues sur le sujet "4.0 technologie"

Ciepluch, Magdalena, et Uwe Eisenbeis. « Technologieadoptionsstrategien von Medienunternehmen. Schnelligkeit, Zeitpunkt und Planungshorizonte von Investitionen und Akquisitionen in Augmented und Virtual Reality-Technologien ». HMD Praxis der Wirtschaftsinformatik 59, n^o 1 (20 janvier 2022) : 389–410. http://dx.doi.org/10.1365/s40702-021-00813-0.

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ZusammenfassungAugmented und insbesondere Virtual Reality-Technologien und -Anwendungen existieren zwar bereits seit einigen Jahrzehnten, durchleben jedoch seit einigen Jahren (erneut) einen Aufschwung, getrieben durch technologische Entwicklungen. Aus diesen Entwicklungen ergeben sich in diversen Branchen, insbesondere aber in der Medienbranche, sowohl vielerlei Chancen als auch Herausforderungen. Vor diesem Hintergrund stellt sich die Frage, wie sich Unternehmen der Medienbranche auf diese neuen Technologien einstellen bzw. eingestellt haben – im Sinne einer strategischen Vorbereitung auf die Zukunft bzw. hinsichtlich ihrer Technologieadoptionsstrategien. In diesem Artikel wird untersucht, wie früh oder spät bzw. zu welchem Zeitpunkt AR- und VR-Investitionen stattfinden und welchen Planungshorizont (Dauer vom Zeitpunkt der Investition bis zum Erreichen des Produktionslevels) Medienunternehmen in ihren AR- und VR-Investitionen verfolgen. Die Ergebnisse zeigen, dass sich diejenigen Medienunternehmen, die in AR und VR investieren, in zwei große Gruppen aufteilen lassen: Wenn investiert wird, geschieht dies entweder relativ früh (nach 2 bis 4 Jahren) oder relativ spät (erst nach 12 bis 14 Jahren) nach Aufkommen der Technologie. Die beiden Gruppen können als Early Majority und Late Majority verstanden werden. Gemeinsam ist allen Medienkonzernen, dass ihre Investitionen einen mittelfristigen Planungshorizont von 5 bis 10 Jahren aufweisen, der bei AR sogar tendenziell länger ist als bei VR. Medienunternehmen sind sich dem langfristigen (Markt‑)Potenzial beider Technologien offenbar bewusst, investieren aber nur sehr zaghaft in diese.

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Yamagishi, Shuichi. « 4 : 4 : 4 and 4 : 2 : 0 ». Journal of The Institute of Image Information and Television Engineers 62, n^o 10 (2008) : 1542–46. http://dx.doi.org/10.3169/itej.62.1542.

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Kröner, Stephan, Petra Dörre et Detlev Leutner. « Praxisbezug und Feedback-Informationsgehalt in einem berufsbezogenen computer-basierten Training zum Qualitätsmanagement 1Das diesem Artikel zugrunde liegende Projekt wurde gefördert mit Mitteln des Bundesministeriums für Bildung, Wissenschaft, Forschung und Technologie unter den Förderzeichen 02QF8004/8 und 02QF8005/0. Die Verantwortung für den Inhalt dieser Veröffentlichung liegt bei den Autoren. Die Erstellung des Manuskripts wurde unterstützt aus Mitteln der Klaus-Tschira-Stiftung, GmbH. » Zeitschrift für Arbeits- und Organisationspsychologie A&O 44, n^o 1 (janvier 2000) : 19–26. http://dx.doi.org/10.1026//0932-4089.44.1.19.

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Zusammenfassung. Kognitive Theorien lassen erwarten, daß berufsbezogene computerbasierte Trainings dann effektiv sind, wenn die Trainingsinhalte hohen Praxisbezug aufweisen und das verwendete Feedback hohen Informationsgehalt besitzt. Diese Frage wurde anhand eines 2*2-Versuchsplans mit den Faktoren Praxisbezug und Feedback und 15 erwachsenen Probanden je Zelle untersucht. Die Trainingsinhalte wurden dem industriellen Qualitätsmanagement entnommen, da hier als Folge der ISO 9000 erheblicher Trainingsbedarf besteht. Das Experiment hatte folgenden Ablauf: (1) Tutorial; (2) Vortest; (3) 30-minütige Trainingsphase, je nach Treatment in Form von Beispielen mit hohem vs. niedrigem Praxisbezug, jeweils gefolgt von Feedback mit hohem vs. niedrigem Informationsgehalt; (4) Nachtest. Es zeigte sich, daß höherer Feedback-Informationsgehalt einen größeren Lerngewinn zur Folge hat. Weiterhin interagieren Praxisbezug und Feedback-Informationsgehalt: Hoher Praxisbezug wirkt sich nur dann positiv aus, wenn gleichzeitig auch hoch informatives Feedback gewährleistet ist. Die Ergebnisse werden diskutiert im Hinblick auf ihre Bedeutung für die Gestaltung von Trainings im allgemeinen und CBT-Systemen im besonderen.

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Kraus, K. M., N. M. Kraus et O. V. Marchenko. « Formation of Industry X.0 on the Basis of Innovative-Digital Entrepreneurship and Virtual Mobility ». Business Inform 6, n^o 521 (2021) : 50–58. http://dx.doi.org/10.32983/2222-4459-2021-6-50-58.

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The article attempts to present a number of key technologies that determine the new quality of life of people. The following content is specified and disclosed: autonomous artificial intelligence in a smartphone, professional robot assistants, available satellite intelligence, podcasts, digital urban planning tools. In the article, the authors hypothesize that Industry X.0 is by far the highest stage of digitalization and represents a concept of innovative and digital production, the components of which are «smart assets», «smart services», «smart business», and «smart government». Structural elements of the authors’ concept of X.0 Industry are indicated, its visual cut in virtual reality conditions is provided and the functioning of this Industry exclusively within the framework of the 7th technological mode is characterized. The authors have developed and presented the protocol of formation of the X.0 Industry through the prism of innovations, technologies in both the industry sector and business management. 4 stages of implementation of this protocol are defined, namely: determination of the innovative landscape of «technological breakthrough» in a particular industry within the formation of industry X.0; assessment of threats; determining the course of further development and the action plan (four main approaches to which organizations can apply: protection, adoption of innovations, initiation of subversive innovations, retreat); implementation of structural changes at the DNA level of the organization. The authors on the basis of a number of factors bring forward the argument that today’s realities of the digital space require the development of a new logic of running a platform business in terms of its digitization. It is concluded that in practice it is necessary to form a broad coalition of educators, government officials, analysts, high-tech specialists, economists, industrialists, scientists who will join the formation of the X.0 Industry on the basis of digitalization and innovatizing. The authors concluded that Industry X.0 is a new approach to the organization of production in the context of virtual reality, which is based on highly intelligent integrated new products and digital ecosystems that form an innovative digital value chain, add new competencies and implement deep cultural changes in the direction of the formation of a new virtual reality.

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Drikker, Alexander S. « Value System and the Sum of Technologies ». Observatory of Culture, n^o 4 (28 août 2014) : 4–9. http://dx.doi.org/10.25281/2072-3156-2014-0-4-4-9.

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The fall of the Soviet empire is traditionally referred to technological problems. However, it is possible to relate this unexpected downfall to degeneration of the Soviet value system, which earlier produced the rise unprecedented in Russian history. Today in society and culture, the main deficiency is in inspiring objectives that can response to the national character and mechanisms of their achievement but not in technologies. The author discusses the ways and prospects of searching these values.

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Kolcio, N., K. J. Brown et W. J. Page. « Electrical resistance data from fault tests for 2/0 and 4/0 temporary grounding jumpers ». IEEE Transactions on Power Delivery 18, n^o 2 (avril 2003) : 436–41. http://dx.doi.org/10.1109/tpwrd.2003.809608.

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Timoshkov, P. N., et A. V. Hrulkov. « MODERN TECHNOLOGIES OF HOTMELT POLYMER COMPOSITE MATERIALS PROCESSING ». Proceedings of VIAM, n^o 8 (août 2014) : 4. http://dx.doi.org/10.18577/2307-6046-2014-0-8-4-4.

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Sofianou, Maria-Veronica, Maria Tassi, Vassilis Psycharis, Nikos Boukos, Stavros Thanos, Tiverios Vaimakis, Jiaguo Yu et Christos Trapalis. « Solvothermal synthesis and photocatalytic performance of Mn 4+ -doped anatase nanoplates with exposed {0 0 1} facets ». Applied Catalysis B : Environmental 162 (janvier 2015) : 27–33. http://dx.doi.org/10.1016/j.apcatb.2014.05.049.

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Doutre, C., P. Nasiopoulos et K. N. Plataniotis. « A Fast Demosaicking Method Directly Producing YCbCr 4:2:0 Output ». IEEE Transactions on Consumer Electronics 53, n^o 2 (mai 2007) : 499–505. http://dx.doi.org/10.1109/tce.2007.381721.

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Iffer, El abadila, Mohammed Belaiche, Moustapha Elansary, Yanxia Wang et Yuliang Cao. « Molten salt synthesis of LiMn 1 . 2 Ni 0 . 3 Cr 0 . 1 Co 0 . 15 Al 0 . 23 La 0 . 02 O 4 as a positive electrode for lithium‐ion batteries ». International Journal of Energy Research 45, n^o 10 (3 mai 2021) : 15424–37. http://dx.doi.org/10.1002/er.6813.

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Thèses sur le sujet "4.0 technologie"

Andrei, Cristian. « Impact du bruit substrat sur les oscillateurs contrôlés en tension à 4. 5 GHz, intégrés en technologie BiCMOS 0. 35 µm ». Lyon, INSA, 2005. http://theses.insa-lyon.fr/publication/2005ISAL0068/these.pdf.

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Les besoins des entreprises, comme ceux du particulier, concernent les nouveaux services associés en une incessante augmentation de l'autonomie. Du point de vue système, la Qualité de Service (QoS) s'exprime alors par des débits de plus en plus élevés et des taux d'erreurs binaires faibles. Du point de vue architecture circuit & technologie, les terminaux mobiles intègrent de plus en plus de fonctions différentes et diversifiées, ce qui implique le développement des systèmes sur puce (SoC) où blocs analogiques, radiofréquences, et numériques sont au maximum intégrés et miniaturisés sur un même substrat. C'est dans ce cadre que ce travail de recherche s'inscrit. Le travail présenté dans ce mémoire est orienté sur la partie radiofréquence la plus sensible d'un terminal mobile, qu'est la synthèse de fréquence. Nous pouvons rappeler en effet que la pureté des signaux RF gouverne la sensibilité des récepteurs via le bruit de phase ou de fréquence de toute source micro-ondes. Il apparaît donc indispensable de focaliser les travaux de recherche sur cet objet, du point vue de sa conception, de son optimisation, de son comportement et de sa sensibilité en présence de parties digitales. L'étude se décompose en quatre parties portant sur : l'analyse du bruit substrat dans les circuits mixtes réalisés sur silicium résistif et l'impact de ce bruit sur des circuits analogiques RF, la métrologie du bruit de phase des oscillateurs, la conception et la caractérisation des VCOs monolithiques, la caractérisation et la modélisation de l'impact du bruit substrat sur le bruit de phase d'un oscillateur
The work presented in this memory is directed towards the most significant part of a radiofrequency mobile thermal, which is the synthesis of frequency. We can recall indeed that the purity of RF signals controls the sensitivity of the receivers via the phase or frequency noise of any microwave source. It thus appears essential to focus the research tasks on this object, point seen of its design, of its optimisation, of its behaviour and its sensitivity in the presence of digital parts. The study breaks up into four parts relating to: analysis of the substrate noise in mixed signal circuits carried out on resistive silicon and the impact of this noise on RF circuits, the metrology of the oscillator phase noise, the design and the characterization of monolithic VCOS, the characterization and the modelling of substrate noise impact on oscillator phase noise

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Phiri, Lighton. « Investigating the Impact of Organised Technology-driven Orchestration on Teaching ». Thesis, University of Cape Town, 2018. http://pubs.cs.uct.ac.za/archive/00001263/.

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Orchestration of learning involves the real-time management of activities performed by educators in learning environments, with a particular focus on the effective use of technology. While different educational settings present unique problems, the common challenges have been noted to primarily be as a result of multiple heterogeneous activities and their associated intrinsic and extrinsic constraints. In addition to these challenges, this thesis argues that the complexities of orchestration are further amplified due to the ad hoc nature of the approaches and techniques used to orchestrate learning activities. The thesis proposes a streamlined approach to technology-driven orchestration of learning, in order to address these challenges and complexities. Specifically, the thesis proposes an organised approach that focuses on three core aspects of orchestration: activity management, resource management and sequencing of learning activities. Orchestration was comprehensively explored in order to identify the core aspects essential for streamlining technology-driven orchestration. Proof-of-concept orchestration toolkits, based on the proposed orchestration approach, were implemented and evaluated in order to assess the feasibility of the approach, its effectiveness and its potential impact on the teaching experience. Comparative analysis and guided orchestration controlled studies were conducted to compare the effectiveness of ad hoc orchestration with streamlined orchestration and to measure the orchestration load, respectively. In addition, a case study of a course that employed a flipped classroom strategy was conducted to assess the feasibility of the proposed approach. The feasibility was further assessed by integrating a workflow, based on the proposed approach, that facilitates the sharing of reusable orchestration packages. The results from the studies suggest that the streamlined approach is more effective when compared to ad hoc orchestration and has a potential to provide a positive user experience. The results also indicate that the approach imposes acceptable orchestration load during scripting of learning activities. Case studies conducted in authentic educational settings suggest that the approach is feasible, and potentially applicable to useful practical usage scenarios. The long-term implications are that streamlining of technology-driven orchestration could potentially improve the effectiveness of educators when orchestrating learning activities.

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Kwek, Erich. « The identification of the perceptions of internet using teachers in grades 4 through 8 regarding internet use in schools / ». La Verne, Calif. : University of La Verne, 1999. http://0-wwwlib.umi.com.garfield.ulv.edu:80/dissertations/fullcit/9937810.

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Livres sur le sujet "4.0 technologie"

Technological Developments in Industry 4. 0 for Business Applications. IGI Global, 2018.

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Wehberg, Götz G. Digital Supply Chains : Key Facilitator to Industry 4. 0 and New Business Models, Leveraging S/4 HANA and Beyond. Taylor & Francis Group, 2020.

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Wehberg, Götz G. Digital Supply Chains : Key Facilitator to Industry 4. 0 and New Business Models, Leveraging S/4 HANA and Beyond. Taylor & Francis Group, 2020.

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Capello, Roberta, et Camilla Lenzi. Regional Economics of Technological Transformations : Industry 4. 0 and Servitisation in European Regions. Taylor & Francis Group, 2021.

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Capello, Roberta, et Camilla Lenzi. Regional Economics of Technological Transformations : Industry 4. 0 and Servitisation in European Regions. Taylor & Francis Group, 2021.

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Kusmawa, Udan, Siti Aisyah, Isti Rokhiyah, Andayani et Della Raymena Jovanka. Emerging Perspectives and Trends in Innovative Technology for Quality Education 4. 0 : Proceedings of the 1st International Conference on Innovation in Education and Pedagogy , October 5, 2019, Jakarta, Indonesia. Taylor & Francis Group, 2020.

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Encyclopedia of Industrial Biotechnology : Bioprocess, Bioseparation, and Cell Technology, Volume 4. Wiley & Sons, Limited, John, 2010.

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Borgmeier. SMART SERVICES UND INTERNET DER DINGE : GESCHÄFTSMODELLE, UMSETZUNG UND BEST PRACTICES : INDUSTRIE 4. 0, INTERNET OF THINGS , MACHINE-TO-MACHINE, BIG DATA, AUGMENTED REALITY TECHNOLOGIE. Hanser GmbH & Company, Carl, 2017.

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Chapitres de livres sur le sujet "4.0 technologie"

Dinu, Alice, M. Radulescu, D. Ionescu et Silviu Florea. « Hydrides Effect on the SCC Initiation on Zircaloy-4 Claddings ». Dans Materials and Technologies, 249–52. Stafa : Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-460-x.249.

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Tarragó, Ferrán Ruiz. « Focus Group 4 — Connectivity and networking ». Dans Information and Communication Technologies in Education, 319–22. Boston, MA : Springer US, 2001. http://dx.doi.org/10.1007/978-0-387-35403-3_28.

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Belinska, S. O., N. W. Kamieniewa, N. A. Nesterenko, O. O. Moroz, W. M. Kepko et S. W. Rogalskiy. « Innowacyjne technologie szybko mrożonych półfabrykatów z warzyw i grzybów ». Dans INNOVATIVE TECHNOLOGIES AND EQUIPMENT : DEVELOPMENT PROSPECTS OF THE FOOD AND RESTAURANT INDUSTRIES, 62–85. Izdevnieciba “Baltija Publishing”, 2022. http://dx.doi.org/10.30525/978-9934-26-205-0-4.

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Kuske, B., M. Abo-Bakr, J. Bahrdt, A. Meseck, G. Mishra et M. Scheer. « Tolerance studies for the BESSY FEL undulators⋆⋆Funded by the ‘Bundesministerium fur Bildung, Wis-senschaft, Forschung und Technologie’, the ‘Land Berlin’, and the ‘Zukunftsfond des Landes Berlin’. » Dans Free Electron Lasers 2003, 258–62. Elsevier, 2004. http://dx.doi.org/10.1016/b978-0-444-51727-2.50061-4.

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« TABLE8TocolDerivativeContentinCerealGrainsTocolderivatives ( m g / 100g ) aGrainsa -T a -T -3 1 3 -T I 3 -T -3 y -T y -T -3 6 -T 6 -T -3 TotalRef . Barley0 . 2 -0 . 4 1 . 1 -1 . 3 0 . 0 4 -0 . 4 0 . 3 -0 . 7 0 . 0 3 -0 . 5 0 . 2 0 . 0 1 -0 . 040 . 1 6 < ; 5 . 030 . 4 1 . 3 0 . 3 0 . 7 0 . 050 . 2 0 . 1 -8 9 0 . 5 1 . 3 0 . 020 . 7 0 . 070 . 8 0 . 020 . 0750 . 3 1 . 6 < ; 0 . 1 0 . 6 0 . 1 0 . 6 < ; 0 . 1 -9 0Genotype0 . 7 2 -1 . 162 . 3 8 -4 . 300 . 0 5 -0 . 130 . 3 1 -1 . 210 . 0 4 -0 . 120 . 2 4 -0 . 960 . 0 4 -0 . 140 . 0 2 -0 . 204 . 2 2 -8 . 0091Location0 . 8 8 -1 . 113 . 0 5 -3 . 630 . 002 -0 . 190 . 6 7 -0 . 750 . 070 . 5 0 -0 . 560 . 0 4 -0 . 130 . 0 7 -0 . 115 . 6 7 -6 . 0891Malt1 . 003 . 070 . 140 . 460 . 040 . 390 . 040 . 065 . 292Spentgrain2 . 029 . 210 . 311 . 600 . 091 . 760 . 120 . 1815 . 392Corn0 . 6 -2 . 1 0 . 2 -0 . 5 -0 . 5 -1 . 1 3 -0 . 6 0 . 2 0 . 4 3 . 8 0 . 5tr890 . 1 -2 . 3 0 . 3 -0 . 7 1 . 1 -7 . 1 0 . 1 -1 . 9 2 . 6 -1 0 . 29Millet0 . 05tr1 . 3 0 . 489 -0 . 1 < ; 0 . 1 0 . 1 1 . 7 < ; 0 . 1 0 . 690Bulrushmillet0 . 1 3 -5 . 540 . 530 . 080 . 25Foxtailmillet0 . 190 . 040 . 042 . 780 . 065Fingermillet0 . 320 . 050 . 031 . 7 6 -5 Pearlmillet0 . 041 . 5 -0 . 355 -O ats0 . 3 -1 . 7 0 . 7 -1 . 1 0 . 1 -0 . 2 0 . 1 -0 . 3 0 . 3 -3 0 . 7 0 . 7 0 . 2 0 . 1 0 . 3 -8 9 1 . 3 -4 . 0 0 . 2 -6 . 3 0 . 3 -0 . 5 0 . 3 -1 . 1 0 . 7 -6 . 1 0 . 910 . 140 . 321 . 3 -3 . 011Genotype0 . 5 5 -0 . 960 . 9 1 -1 . 860 . 0 7 -0 . 130 . 0 5 -0 . 150 . 0 5 -0 . 130 . 0 0 -0 . 061 . 9 -3 . 091Location0 . 7 2 -0 . 961 . 1 7 -1 . 830 . 0 7 -0 . 110 . 0 5 -0 . 140 . 0 8 -0 . 110 . 0 1 -0 . 032 . 1 -3 . 191RiceBrownrice0 . 6 0 . 4 0 . 1 < ; 0 . 010 . 1 0 . 7 < ; 0 . 190Polishedrice < ; 0 . 1 0 . 1 < ; 0 . 1 < ; 0 . 1 < ; 0 . 1 0 . 3 < ; 0 . 190Milledrice0 . 0 5 -0 . 3 0 . 2 -0 . 5 0 . 1 -0 . 3 -< ; 0 . 0440 . 3tr0 . 3 0 . 5 0 . 04890 . 060 . 080 . 260 . 020 . 025 -R ye0 . 5 -1 . 8 0 . 7 -1 . 5 0 . 3 -0 . 7 0 . 8 -0 . 9 0 . 6 -3 0 . 8 1 . 3 0 . 4 0 . 9 0 . 689Flour0 . 6 0 . 4 0 . 3 0 . 6 -9 0Meal1 . 0 1 . 4 0 . 3 1 . 190Sorghum0 . 081 . 155Triticale0 . 911 . 030 . 301 . 515Winter0 . 7 -0 . 9593Spring1 . 3 5 -1 . 4593 -W heat1 . 0 0 . 2 0 . 4 1 . 9 -5 0 . 9 -1 . 8 0 . 3 -0 . 7 2 . 5 -3 . 6 4 . 9 -5 . 831 . 0 0 . 4 0 . 9 2 . 5 0 . 0889aTocopherolsincludea -T , 0 -T , y -T , and5 -T , andtocotrienolsincludea -T -3 , 0 -T -3 , y -T -3 , andS -T -3 . ( -) denotedatanotreported . » Dans Handbook of Cereal Science and Technology, Revised and Expanded, 449–94. CRC Press, 2000. http://dx.doi.org/10.1201/9781420027228-47.

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Nashed, Amir, et Bac Van Dang. « Solar and water : high-technology readiness technologies ». Dans Solar-Driven Water Treatment, 67–117. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-90991-4.00007-4.

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Laletsang, Kebabonye, et Baram Montshiwa. « Case Study ». Dans Advances in Geospatial Technologies, 213–29. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3440-2.ch014.

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A geophysical survey was carried out in 2012 to map the subsurface geology at a quarry and the village to determine if an alleged damage to houses could have been caused by blasting activity in the quarry. The survey included seismic refraction and reflection recorded with the same spread at source and receiver spacing of 2 m, 3 m, and 5 m. The signal source was a 28-lb. sledge hammer stacked 10 times to increase the S/N. Ground penetrating radar (GPR) was also recorded at a trace spacing of 0.3 m to provide detailed images of the subsurface near the damaged buildings using a 50 MHz unshielded antenna. The seismic refraction and reflection profiles show that the village is underlain by 0-4 m of loose sand, 4-10 m of fractured calcrete, and up to 50 m of fractured silcrete, with the groundwater table at 10-15 m. The GPR images show that the damaged houses sit on thick sand, which cushions them against severe ground vibration. The houses were found to have suffered more damage on the superstructure and this is possibly due to ground vibration amplification at low frequencies of 30-40 Hz.

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Agrawal, Pankaj, Akhilesh Tiwari et Uday Pratap Singh. « An Innovative Design of RF Energy Harvester for Wireless Sensor Devices ». Dans Advances in Computer and Electrical Engineering, 311–42. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3531-7.ch015.

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Due to growing demand of energy, green technologies are highly attractive among researchers because of their non-conventional nature. Energy harvesting is one of their best parts. Very low cost of maintenance and non-polluting nature are major reasons behind their growing demand. However, for ultra-low power applications, such as in wireless sensor devices, the energy scavenging from RF signal is another alternative. In the last few years, a great interest has been seen in microwave power scavenging for charging wireless devices. This chapter presents a RF energy harvesting circuit with tuned π-matching network that resonates at desired incident RF frequency to boost these signals. Various computer intelligent techniques have been used to optimize parameters value of matching circuit. The designed circuit has been analyzed for input power range from -30 dBm to 0 dBm. Approximately 80% maximum PCE is achieved at RF input of 0 dBm with 4 KΩ load. It is also demonstrated that better output power is produced for power range -15 dBm to 0 dBm at higher load values.

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« Chapter 4 Column Technology ». Dans Journal of Chromatography Library, 155–200. Elsevier, 1992. http://dx.doi.org/10.1016/s0301-4770(08)60331-0.

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Chakma, Amit, et Paitoon Tontiwachwuthikul. « Designer solvents for energy efficient CO2 separation from flue gas streams ». Dans Greenhouse Gas Control Technologies 4, 35–42. Elsevier, 1999. http://dx.doi.org/10.1016/b978-008043018-8/50006-0.

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Actes de conférences sur le sujet "4.0 technologie"

Morawe, Christian, Jean-Christophe Peffen, Eric Ziegler et Andreas K. Freund. « High-resolution Al 2 0 3 /B 4 C multilayers ». Dans International Symposium on Optical Science and Technology, sous la direction de Andreas K. Freund, Tetsuya Ishikawa et Ali M. Khounsary. SPIE, 2001. http://dx.doi.org/10.1117/12.448485.

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CANSEV, IPEK, et METEHAN TOLON. « Industry 4 0 and the Effects of Improving Humanless Technology on Business Management ». Dans Fifth International Conference on Advances in Social Science, Management and Human Behaviour - SMHB 2017. Institute of Research Engineers and Doctors, 2017. http://dx.doi.org/10.15224/978-1-63248-124-5-23.

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Saifullaeva, Dilaram, Shahlo Solieva et Asamat Muminov. « New magnetic semiconductors CuCr 1.5+x Sb 0.5-x S 4 (0≤x≤0.3) ». Dans International Symposium on Optical Science and Technology, sous la direction de Ivan Bozovic et Davor Pavuna. SPIE, 2002. http://dx.doi.org/10.1117/12.452476.

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Bee, M. F., S. D. Jenkins, J. H. Lyle et E. Murhantoro. « 4·0 SEISMIC : A POWERFUL NEW TECHNOLOGY FOR MONITORING STEAM MOVEMENTS IN DURI FIELD· CENTRAL SUMATRA ». Dans 4th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 1995. http://dx.doi.org/10.3997/2214-4609-pdb.313.178.

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Pesotskii, S. I., A. E. Kovalev et N. D. Kushch. « Fermi surface in organic metal (ET)/sub 3/CuCl/sub 4/*H//sub 2/0 ». Dans International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834979.

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Iyer, Subramanian S. « SOI Technology for VLSI ». Dans 1994 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 1994. http://dx.doi.org/10.7567/ssdm.1994.a-0-4.

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Bahadur, Birendra. « Design And E-0 Performance Of A Low Voltage Highly Reflective Dichroic LCD Using λ/4 Plate ». Dans SPIE International Symposium on Optical Engineering and Industrial Sensing for Advance Manufacturing Technologies, sous la direction de Chander P. Grover. SPIE, 1989. http://dx.doi.org/10.1117/12.947636.

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Mann, J. Adin. « Some Fundamentals of Surface Fluctuation Spectroscopy ». Dans Photon Correlation and Scattering. Washington, D.C. : Optica Publishing Group, 1996. http://dx.doi.org/10.1364/pcs.1996.saa.4.

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The technology of surface light scattering spectroscopy1 involves hardware issues in measuring accurately the surface elevation ζq(t), autocorrelation function Rq(t)def¯¯ζ q *(0)ζ q (t) or the corresponding spectrum, G q (ω)=F^ς* q (0)ς q (t)[ω] where q is the wave number of the capillary wave spectrum and ω the frequency. Major issues include the optimization of the optical signal to noise, minimization of environmental noise and deconvolution of Rq(t) from the instrument function. This last issue is of special interest when measuring scattering from small patches wherein qσ < 20, σ is the Gaussian beam width parameter, as is the case when used with Brewster angle microscopy in overlapping footprints.

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Jadwigo, V. V., et A. V. Gubarev. « ANALYSIS OF THE ACTIVITY OF LLC "MGK "LIGHT TECHNOLOGIES" IN THE FIELD OF METROLOGICAL SUPPORT ». Dans Modern Technologies in Science and Education MTSE-2020. Ryazan State Radio Engineering University, 2020. http://dx.doi.org/10.21667/978-5-6044782-4-0-45-47.

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Wang, Rick, Richard Kania, Robert J. Smyth et Ian R. Smyth. « Cyclic Pressure Testing a Section of 34” Pipe Repaired Using the PETROSLEEVE Technology to Determine the Effect on a 50% Crack ». Dans 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90674.

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TransCanada Pipelines operates a large mainline pipeline transportation system. Engineering analysis and severe testing was performed to confirm that the PETROSLEEVE© Steel Compression Reinforcement Technology would arrest crack extension in large diameter pipe. This testing involved putting a 50% crack into a section of 862 mm diameter, 9.5mm wall thickness grade 448 pipe. Then a compression sleeve was installed while the pipe was pressurized to 3800 kPa (38% SMYS). Following sleeve installation, the test vessel was subjected to 9000 cycles 7880 to 2960 kPa (80%–30% SMYS); 200 cycles 7800 to 0 kPa (80%–0% SMYS); hold pressures of 8870 kPa (90% SMYS) for 4 hours and 10840 kPa (110% SMYS) for 2 hours. Following the cyclic pressuring, the crack was metallurgically inspected. It was reported by third party inspection that the compression sleeve reinforcement “can effectively suppress fatigue crack growth of an axial flaw (100mm long × 50% of the wall thickness deep) in the API X65 pipe.” This paper reviews the engineering and cyclic testing undertaken.

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Rapports d'organisations sur le sujet "4.0 technologie"

Pesis, Edna, Elizabeth J. Mitcham, Susan E. Ebeler et Amnon Lers. Application of Pre-storage Short Anaerobiosis to Alleviate Superficial Scald and Bitter Pit in Granny Smith Apples. United States Department of Agriculture, janvier 2013. http://dx.doi.org/10.32747/2013.7593394.bard.

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There is increased demand for high quality fruit produced and marketed with reduced chemical inputs to minimize toxic effects on human health and the environment. Granny Smith (GS) apple quality is reduced by two major physiological disorders, superficial scald and bitter pit (BP). These disorders cause great loss to apple growers worldwide. Superficial scald is commonly controlled by chemical treatments, mainly the antioxidant diphenylamine (DPA) and/or the ethylene action inhibitor, 1-methylcyclopropene (1–MCP). Both chemicals are ineffective in controlling bitter pit incidence. We proposed to investigate the beneficial use of non-chemical, abiotic stress with low O2 (LO2) applied for 10d at 20°C on GS apple fruit. During the project we expanded the treatment to more apple cultivars, Golden Delicious (GD) and Starking Delicious (SD) and another pome fruit, the pear. Apple and pear have similar physiological disorders that develop during cold storage and we examined if the LO2 treatment would also be effective on pear. Application of 0.5% LO2 atmosphere for 10d at 20°C or 500ppb 1-MCP at 20°C prior to cold storage at 0°C, was effective in reducing superficial scald in GS apple. Moreover, LO2 pretreatment was also effective in reducing bitter pit (BP) development in California GS and Israeli GD and SD apples The BP symptoms in GS from California were much more prominent, so the effect of LO2 was more dramatic than the effect on the Israeli cvs. GD and SD, nevertheless the LO2 treatment showed the same trend in all cultivars in reducing BP. The LO2 and 1-MCP -treated fruit exhibited lower levels of ethylene, - farnesene and its oxidation product, 6-methyl-5-hepten-2-one (MHO), as determined by SPME/GC-MS analysis. In addition, LO2 pretreatment applied to California Bartlett or Israeli Spadona pears was effective in reducing superficial scald, senescent scald and internal breakdown after 4 m of cold storage at 0°C. For GS apple, low-temperature storage resulted in oxidative stress and chilling injury, caused by increased production of superoxide anions which in turn led to the generation of other dangerous reactive oxygen species (ROS). Using confocal laser-scanning microscopy and H2O2 measurements of apple peel, we observed ROS accumulation in control fruit, while negligible amounts were found in LO2 and 1-MCP treated fruit. Gene-expression levels of ROS-scavenging enzymes were induced by the various pretreatments: catalase was induced by LO2 treatment, whereas Mn superoxide dismutase was induced by 1-MCP treatment. We assume that LO2 and 1-MCP pretreated fruit remained healthier due to reduced production of ethylene and reactive oxygen substances, such as MHO, during cold storage. The LO2-treated apple exhibited greener peel and firmer fruit after 6 m of cold storage, and the fruit had high crispiness leading to high taste preference. In both pear cultivars, the LO2 treatment led to a reduction in internal breakdown and browning around the seed cavity. We tested the LO2 pre-storage treatment on a semi-commercial scale that would be applicable to a small organic grower by sealing the fruit within the plastic field bins. The treatment was most effective with a continuous flow of nitrogen through the bins; however, a single 6 hour flush of nitrogen was also fairly effective. In addition, we determined that it was very important to have the oxygen levels below 0.5% for approximately 10 days to achieve good scald control, not counting the time required to reduce the oxygen concentration. Our LO2 technology has been proven in this project to be effective in reducing several physiological disorders developed in pome fruit during cold storage. We hope that our non-chemical treatment which is friendly to the environment will be used in the near future for the organic apple and pear industry. The next step should be an analysis of the cost-benefits and commercial feasibility.

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de Caritat, Patrice, Brent McInnes et Stephen Rowins. Towards a heavy mineral map of the Australian continent : a feasibility study. Geoscience Australia, 2020. http://dx.doi.org/10.11636/record.2020.031.

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Heavy minerals (HMs) are minerals with a specific gravity greater than 2.9 g/cm3. They are commonly highly resistant to physical and chemical weathering, and therefore persist in sediments as lasting indicators of the (former) presence of the rocks they formed in. The presence/absence of certain HMs, their associations with other HMs, their concentration levels, and the geochemical patterns they form in maps or 3D models can be indicative of geological processes that contributed to their formation. Furthermore trace element and isotopic analyses of HMs have been used to vector to mineralisation or constrain timing of geological processes. The positive role of HMs in mineral exploration is well established in other countries, but comparatively little understood in Australia. Here we present the results of a pilot project that was designed to establish, test and assess a workflow to produce a HM map (or atlas of maps) and dataset for Australia. This would represent a critical step in the ability to detect anomalous HM patterns as it would establish the background HM characteristics (i.e., unrelated to mineralisation). Further the extremely rich dataset produced would be a valuable input into any future machine learning/big data-based prospectivity analysis. The pilot project consisted in selecting ten sites from the National Geochemical Survey of Australia (NGSA) and separating and analysing the HM contents from the 75-430 µm grain-size fraction of the top (0-10 cm depth) sediment samples. A workflow was established and tested based on the density separation of the HM-rich phase by combining a shake table and the use of dense liquids. The automated mineralogy quantification was performed on a TESCAN® Integrated Mineral Analyser (TIMA) that identified and mapped thousands of grains in a matter of minutes for each sample. The results indicated that: (1) the NGSA samples are appropriate for HM analysis; (2) over 40 HMs were effectively identified and quantified using TIMA automated quantitative mineralogy; (3) the resultant HMs’ mineralogy is consistent with the samples’ bulk geochemistry and regional geological setting; and (4) the HM makeup of the NGSA samples varied across the country, as shown by the mineral mounts and preliminary maps. Based on these observations, HM mapping of the continent using NGSA samples will likely result in coherent and interpretable geological patterns relating to bedrock lithology, metamorphic grade, degree of alteration and mineralisation. It could assist in geological investigations especially where outcrop is minimal, challenging to correctly attribute due to extensive weathering, or simply difficult to access. It is believed that a continental-scale HM atlas for Australia could assist in derisking mineral exploration and lead to investment, e.g., via tenement uptake, exploration, discovery and ultimately exploitation. As some HMs are hosts for technology critical elements such as rare earth elements, their systematic and internally consistent quantification and mapping could lead to resource discovery essential for a more sustainable, lower-carbon economy.

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African Open Science Platform Part 1 : Landscape Study. Academy of Science of South Africa (ASSAf), 2019. http://dx.doi.org/10.17159/assaf.2019/0047.

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This report maps the African landscape of Open Science – with a focus on Open Data as a sub-set of Open Science. Data to inform the landscape study were collected through a variety of methods, including surveys, desk research, engagement with a community of practice, networking with stakeholders, participation in conferences, case study presentations, and workshops hosted. Although the majority of African countries (35 of 54) demonstrates commitment to science through its investment in research and development (R&D), academies of science, ministries of science and technology, policies, recognition of research, and participation in the Science Granting Councils Initiative (SGCI), the following countries demonstrate the highest commitment and political willingness to invest in science: Botswana, Ethiopia, Kenya, Senegal, South Africa, Tanzania, and Uganda. In addition to existing policies in Science, Technology and Innovation (STI), the following countries have made progress towards Open Data policies: Botswana, Kenya, Madagascar, Mauritius, South Africa and Uganda. Only two African countries (Kenya and South Africa) at this stage contribute 0.8% of its GDP (Gross Domestic Product) to R&D (Research and Development), which is the closest to the AU’s (African Union’s) suggested 1%. Countries such as Lesotho and Madagascar ranked as 0%, while the R&D expenditure for 24 African countries is unknown. In addition to this, science globally has become fully dependent on stable ICT (Information and Communication Technologies) infrastructure, which includes connectivity/bandwidth, high performance computing facilities and data services. This is especially applicable since countries globally are finding themselves in the midst of the 4th Industrial Revolution (4IR), which is not only “about” data, but which “is” data. According to an article1 by Alan Marcus (2015) (Senior Director, Head of Information Technology and Telecommunications Industries, World Economic Forum), “At its core, data represents a post-industrial opportunity. Its uses have unprecedented complexity, velocity and global reach. As digital communications become ubiquitous, data will rule in a world where nearly everyone and everything is connected in real time. That will require a highly reliable, secure and available infrastructure at its core, and innovation at the edge.” Every industry is affected as part of this revolution – also science. An important component of the digital transformation is “trust” – people must be able to trust that governments and all other industries (including the science sector), adequately handle and protect their data. This requires accountability on a global level, and digital industries must embrace the change and go for a higher standard of protection. “This will reassure consumers and citizens, benefitting the whole digital economy”, says Marcus. A stable and secure information and communication technologies (ICT) infrastructure – currently provided by the National Research and Education Networks (NRENs) – is key to advance collaboration in science. The AfricaConnect2 project (AfricaConnect (2012–2014) and AfricaConnect2 (2016–2018)) through establishing connectivity between National Research and Education Networks (NRENs), is planning to roll out AfricaConnect3 by the end of 2019. The concern however is that selected African governments (with the exception of a few countries such as South Africa, Mozambique, Ethiopia and others) have low awareness of the impact the Internet has today on all societal levels, how much ICT (and the 4th Industrial Revolution) have affected research, and the added value an NREN can bring to higher education and research in addressing the respective needs, which is far more complex than simply providing connectivity. Apart from more commitment and investment in R&D, African governments – to become and remain part of the 4th Industrial Revolution – have no option other than to acknowledge and commit to the role NRENs play in advancing science towards addressing the SDG (Sustainable Development Goals). For successful collaboration and direction, it is fundamental that policies within one country are aligned with one another. Alignment on continental level is crucial for the future Pan-African African Open Science Platform to be successful. Both the HIPSSA ((Harmonization of ICT Policies in Sub-Saharan Africa)3 project and WATRA (the West Africa Telecommunications Regulators Assembly)4, have made progress towards the regulation of the telecom sector, and in particular of bottlenecks which curb the development of competition among ISPs. A study under HIPSSA identified potential bottlenecks in access at an affordable price to the international capacity of submarine cables and suggested means and tools used by regulators to remedy them. Work on the recommended measures and making them operational continues in collaboration with WATRA. In addition to sufficient bandwidth and connectivity, high-performance computing facilities and services in support of data sharing are also required. The South African National Integrated Cyberinfrastructure System5 (NICIS) has made great progress in planning and setting up a cyberinfrastructure ecosystem in support of collaborative science and data sharing. The regional Southern African Development Community6 (SADC) Cyber-infrastructure Framework provides a valuable roadmap towards high-speed Internet, developing human capacity and skills in ICT technologies, high- performance computing and more. The following countries have been identified as having high-performance computing facilities, some as a result of the Square Kilometre Array7 (SKA) partnership: Botswana, Ghana, Kenya, Madagascar, Mozambique, Mauritius, Namibia, South Africa, Tunisia, and Zambia. More and more NRENs – especially the Level 6 NRENs 8 (Algeria, Egypt, Kenya, South Africa, and recently Zambia) – are exploring offering additional services; also in support of data sharing and transfer. The following NRENs already allow for running data-intensive applications and sharing of high-end computing assets, bio-modelling and computation on high-performance/ supercomputers: KENET (Kenya), TENET (South Africa), RENU (Uganda), ZAMREN (Zambia), EUN (Egypt) and ARN (Algeria). Fifteen higher education training institutions from eight African countries (Botswana, Benin, Kenya, Nigeria, Rwanda, South Africa, Sudan, and Tanzania) have been identified as offering formal courses on data science. In addition to formal degrees, a number of international short courses have been developed and free international online courses are also available as an option to build capacity and integrate as part of curricula. The small number of higher education or research intensive institutions offering data science is however insufficient, and there is a desperate need for more training in data science. The CODATA-RDA Schools of Research Data Science aim at addressing the continental need for foundational data skills across all disciplines, along with training conducted by The Carpentries 9 programme (specifically Data Carpentry 10 ). Thus far, CODATA-RDA schools in collaboration with AOSP, integrating content from Data Carpentry, were presented in Rwanda (in 2018), and during17-29 June 2019, in Ethiopia. Awareness regarding Open Science (including Open Data) is evident through the 12 Open Science-related Open Access/Open Data/Open Science declarations and agreements endorsed or signed by African governments; 200 Open Access journals from Africa registered on the Directory of Open Access Journals (DOAJ); 174 Open Access institutional research repositories registered on openDOAR (Directory of Open Access Repositories); 33 Open Access/Open Science policies registered on ROARMAP (Registry of Open Access Repository Mandates and Policies); 24 data repositories registered with the Registry of Data Repositories (re3data.org) (although the pilot project identified 66 research data repositories); and one data repository assigned the CoreTrustSeal. Although this is a start, far more needs to be done to align African data curation and research practices with global standards. Funding to conduct research remains a challenge. African researchers mostly fund their own research, and there are little incentives for them to make their research and accompanying data sets openly accessible. Funding and peer recognition, along with an enabling research environment conducive for research, are regarded as major incentives. The landscape report concludes with a number of concerns towards sharing research data openly, as well as challenges in terms of Open Data policy, ICT infrastructure supportive of data sharing, capacity building, lack of skills, and the need for incentives. Although great progress has been made in terms of Open Science and Open Data practices, more awareness needs to be created and further advocacy efforts are required for buy-in from African governments. A federated African Open Science Platform (AOSP) will not only encourage more collaboration among researchers in addressing the SDGs, but it will also benefit the many stakeholders identified as part of the pilot phase. The time is now, for governments in Africa, to acknowledge the important role of science in general, but specifically Open Science and Open Data, through developing and aligning the relevant policies, investing in an ICT infrastructure conducive for data sharing through committing funding to making NRENs financially sustainable, incentivising open research practices by scientists, and creating opportunities for more scientists and stakeholders across all disciplines to be trained in data management.

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