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Letteratura scientifica selezionata sul tema "Thus materialising a possible solution"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 8 febbraio 2022

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Articoli di riviste sul tema "Thus materialising a possible solution"

Parker, Ryan Matthew, and Bradley Rettler. "A Possible-Worlds Solution to the Puzzle of Petitionary Prayer." European Journal for Philosophy of Religion 9, no. 1 (2017): 179–86. http://dx.doi.org/10.24204/ejpr.v9i1.1856.

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If the thing he prays for doesn’t happen, then that is one more proof that petitionary prayers don’t work; if it does happen, he will, of course, be able to see some of the physical causes which led up to it, and `therefore it would have happened anyway’, and thus a granted prayer becomes just as good a proof as a denied one that prayers are ineffective. -- CS Lewis, The Screwtape Letters

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Bogdándy, B., and I. Hegedűs. "Analysis of a partially loaded paraboloid of revolution and possible approximations of its solution." International Review of Applied Sciences and Engineering 7, no. 1 (2016): 21–27. http://dx.doi.org/10.1556/1848.2016.7.1.4.

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In this paper a partially loaded paraboloid of revolution is investigated by the theory of bent shallow shells. After establishing the sixth order linear system of equations it is concluded that the unknown coefficients cannot be expressed, cannot be given as practical formulas, thus useful approximate solutions are constructed for practical usage. The applicability limit of the column reaction approximated by concentrated load is investigated and the generated error of membrane action for this approximation is determined.

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Golembiewski, Julie, and Nancy Bourtsos. "Cardioplegia Solution." Journal of Pharmacy Practice 6, no. 4 (1993): 182–89. http://dx.doi.org/10.1177/089719009300600408.

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The mechanisms of the metabolic and ultrastructural changes that occur as a result of myocardial ischemia during cross-clamping of the aorta and the secondary injury that can occur during reperfusion after removal of the cross-clamp are important determinants of the composition and method of administration of cardioplegia solution (CS). Traditionally, basic principles of myocardial protection included hypothermia, potassium-induced diastolic cardiac arrest, buffering, membrane stabilization, and control of osmolarity and osmotic pressure. As the mechanisms of myocardial ischemia and reperfusio

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Apiecionek, Łukasz, Jacek Czerniak, Dawid Ewald, and Mateusz Biedziak. "IoT Heating Solution for Smart Home with Fuzzy Control." JUCS - Journal of Universal Computer Science 26, no. 6 (2020): 747–61. http://dx.doi.org/10.3897/jucs.2020.040.

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There is currently an era of Internet of Things in the computer systems, which consists in connecting all possible devices to the Internet in order to provide them with new functionalities and thus { to improve the user's life standard. One of such solutions could be Smart Home. The possibility of monitoring inner environment is required for such solutions. Such monitoring provides potential for e.g. better heating control. The authors of this paper propose some heating control method with Fuzzy Logic. The proposed method was tested in a special climate chamber. The authors provided conclusion

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Rudra, Prabir. "Towards a possible solution for the coincidence problem: f(G) gravity as background." International Journal of Modern Physics D 24, no. 02 (2015): 1550013. http://dx.doi.org/10.1142/s0218271815500133.

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In this paper, we address the well-known cosmic coincidence problem in the framework of the f(G) gravity. In order to achieve this, an interaction between dark energy and dark matter is considered. A set-up is designed and a constraint equation is obtained, which generates the f(G) models that do not suffer from the coincidence problem. Due to the absence of a universally accepted interaction term introduced by a fundamental theory, the study is conducted over three different forms of logically chosen interaction terms. To illustrate the set-up three widely known models of f(G) gravity are tak

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FOOT, R., H. LEW, and R. R. VOLKAS. "POSSIBLE CONSEQUENCES OF PARITY CONSERVATION." Modern Physics Letters A 07, no. 28 (1992): 2567–74. http://dx.doi.org/10.1142/s0217732392004031.

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It has been shown that parity may be an exact unbroken symmetry of nature. This requires a doubling of the number of physical particles, although only two parameters beyond those in the Standard Model are introduced. We show that the Lagrangian describing parity conserving models can be reformulated in terms of a basis in which each term of the Lagrangian is parity invariant, although gauge invariance is not manifest. We then examine some further experimental signatures of parity conservation. We point out that, in the simplest case, there is one parity-even and one parity-odd physical neutral

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Fukuyama, Takeshi, Masae Miyoshi, Mikiko Hatakeyama, Masahiro Morikawa, and Akika Nakamichi. "Late-Time Mild Inflation: A Possible Solution of a Dilemma: The Cosmic Age and the Hubble Parameter." International Journal of Modern Physics D 06, no. 01 (1997): 69–90. http://dx.doi.org/10.1142/s0218271897000066.

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We explore the cosmological model in which a late-time mild inflation (LMI) is realized after the star formation epoch. Nonvanishing curvature coupling of a classical boson field yields this mild inflation without a cosmological constant. Accordingly the lifetime of the present Universe is remarkably increased in this LMI model. Thus we show that the present observed high value of the Hubble parameter H0 ≈ 70–80 km/sec/Mpc is compatible with the age of the oldest stars 14 Gyr without introducing the cosmological constant or the dilute Universe model. Moreover in this LMI model, the local Hubbl

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Wilson, Jeffrey Dirk. "A Proposed Solution of St. Thomas Aquinas’s “Third Way” Through Pros Hen Analogy." Philotheos 19, no. 1 (2019): 85–105. http://dx.doi.org/10.5840/philotheos20191914.

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St. Thomas’s Third Way to prove the existence of God, “Of Possibility and Necessity” (ST 1, q.2, art. 3, response) is one of the most controverted passages in the entire Thomistic corpus. The central point of dispute is that if there were only possible beings, each at some time would cease to exist and, therefore, at some point in time nothing would exist, and because something cannot come from nothing, in such an eventuality, nothing would exist now—a reductio ad absurdum conclusion. Therefore, at least one necessary being must exist. Generations of critics and defenders have contended over S

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Prajapati, Amarjeet, and Jitender Kumar Chhabra. "Optimizing Software Modularity with Minimum Possible Variations." Journal of Intelligent Systems 29, no. 1 (2018): 1135–50. http://dx.doi.org/10.1515/jisys-2018-0231.

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Abstract Poor design choices at the early stages of software development and unprincipled maintenance practices usually deteriorate software modularity and subsequently increase system complexity. In object-oriented software, improper distribution of classes among packages is a key factor, responsible for modularity degradation. Many optimization techniques to improve the software modularity have been proposed in the literature. The focus of these optimization techniques is to produce modularization solutions by optimizing different design quality criteria. Such modularization solutions are go

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Dimache, Alexandru-Nicolae, Ghiocel Groza, Marilena Jianu, et al. "Optimization of the Solution of a Dispersion Model." Mathematics 8, no. 3 (2020): 318. http://dx.doi.org/10.3390/math8030318.

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The study of the combination of chemical kinetics with transport phenomena is the main step for reactor design. It is possible to deviate from the model behaviour, the cause of which may be fluid channelling, fluid recirculation, or creation of stagnant regions in the vessel, by using a dispersion model. In this paper, the known general solution of the dispersion model for closed vessels is given in a new, straightforward form. In order to improve the classical theoretical solution, a hybrid of analytical and numerical methods is used. It is based on the general analytic solution and the least

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Più fonti

Tesi sul tema "Thus materialising a possible solution"

Fenollosa, Artés Felip. "Contribució a l'estudi de la impressió 3D per a la fabricació de models per facilitar l'assaig d'operacions quirúrgiques de tumors." Doctoral thesis, Universitat Politècnica de Catalunya, 2019. http://hdl.handle.net/10803/667421.

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La present tesi doctoral s’ha centrat en el repte d’aconseguir, mitjançant Fabricació Additiva (FA), models per a assaig quirúrgic, sota la premissa que els equips per fer-los haurien de ser accessibles a l’àmbit hospitalari. L’objectiu és facilitar l’extensió de l’ús dels prototips com a eina de preparació d’operacions quirúrgiques, transformant la pràctica mèdica actual de la mateixa manera que en el seu moment ho van fer tecnologies com les que van facilitar l’ús de radiografies. El motiu d’utilitzar FA, en lloc de tecnologies més tradicionals, és la seva capacitat de materialitzar de forma

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Libri sul tema "Thus materialising a possible solution"

Golan, Amos. New Applications Across Disciplines. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199349524.003.0014.

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In this chapter I provide four detailed, cross-disciplinary case studies, developed for this book. The case studies are from the medical sciences, political science, and finance. In each case, I discuss the empirical background, the input information, the necessary analytics, the inferred solution, and a brief summary of its implications. Each problem highlights one basic issue and demonstrates the advantage and applicability of the info-metrics framework. In each one of the problems analyzed, the constraints are specified as stochastic. Thus, the inference tolerates possible misspecification

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Locatelli, Francesco, Celestina Manzoni, Giuseppe Pontoriero, Vincenzo La Milia, and Salvatore Di Filippo. Haemofiltration and haemodiafiltration. Edited by Jonathan Himmelfarb. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199592548.003.0260_update_001.

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Many observational studies have consistently shown that high-flux haemodialysis (hf-HD) has positive effects on the survival and morbidity of uraemic patients when compared with low-flux haemodialysis, and mainly considering the results of Membrane Permeability Outcome (MPO) studies there is evidence favouring high-flux treatments. A further improvement in convective treatments is represented by the on-line modality. On-line preparation from fresh dialysate by a cold-sterilizing filtration process is a cost-effective method of providing large volumes of infusion solution. Randomized, controlle

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Lopotenco, Viorica. DEVELOPMENT OF THE NEW INTERNATIONAL FINANCIAL ARCHITECTURE AT THE NATIONAL FINANCIAL SYSTEMS LEVEL. RS Global S. z O.O., 2020. http://dx.doi.org/10.31435/rsglobal/027.

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The fundamental purpose of this paper is to analyze the transformations in the international financial architecture and their impact on the national financial system. The analysis of the international financial architecture's functioning mechanism suggests its similarity with the software system structure. It is static in the way the system functionality is decomposed and divided into implementation teams. The efficiency of international financial architecture's functioning depends mainly on how balanced and interconnected its elements are. Thus, according to systems theory, only by overcoming

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Guerrero, Alexander A. Defense and Ignorance. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190922542.003.0016.

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This chapter has a negative thesis and a positive thesis. The negative thesis is that, at least in the arena of national security, electoral representative democracy is incompatible with popular sovereignty, a prerequisite of political legitimacy. The incompatibility arises due to five distinct but interrelated factors. First, confidentiality: strategic requirements of confidentiality and secrecy undermine meaningful political accountability. Second, ignorance: national security policy is technical and complicated to an extent that the average voter lacks the information and competence require

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Capitoli di libri sul tema "Thus materialising a possible solution"

Nonni, Joëlle. "Makeup Therapy for Scars." In Textbook on Scar Management. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-44766-3_49.

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AbstractBecause we live in a society that is very much concerned with physical appearance, looking as good as possible has become everyone’s main goal. Consequently, unsightly skin imperfections can have a dramatic and highly negative impact on a patient’s personal, social, or working life.Medical makeup thus represents an alternative solution, helping patients to regain their self-confidence, particularly in the case of visible dermatoses, scars, and burns, whether permanent or temporary.

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Paszyński, Maciej, Rafał Grzeszczuk, David Pardo, and Leszek Demkowicz. "Deep Learning Driven Self-adaptive Hp Finite Element Method." In Computational Science – ICCS 2021. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77961-0_11.

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AbstractThe finite element method (FEM) is a popular tool for solving engineering problems governed by Partial Differential Equations (PDEs). The accuracy of the numerical solution depends on the quality of the computational mesh. We consider the self-adaptive hp-FEM, which generates optimal mesh refinements and delivers exponential convergence of the numerical error with respect to the mesh size. Thus, it enables solving difficult engineering problems with the highest possible numerical accuracy. We replace the computationally expensive kernel of the refinement algorithm with a deep neural network in this work. The network learns how to optimally refine the elements and modify the orders of the polynomials. In this way, the deterministic algorithm is replaced by a neural network that selects similar quality refinements in a fraction of the time needed by the original algorithm.

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Chen, Ruizhi, and Liang Chen. "Smartphone-Based Indoor Positioning Technologies." In Urban Informatics. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8983-6_26.

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AbstractGlobal Navigation Satellite Systems (GNSS) have achieved great success in providing localization information in outdoor open areas. However, due to the weakness of the signal, GNSS signals cannot be received well indoors. Currently, indoor positioning plays a significant role in many areas, such as the Internet of Things (IoT) and artificial intelligence (AI), but given the complexity of indoor spaces and topology, it is still challenging to achieve an accurate, effective, full coverage and real-time positioning solution indoors. With the development of information technology, the smartphone has become more and more popular. With a large number of sensors embedded in smartphones, it is thus possible to achieve low cost, continuity, and high usability for indoor positioning. In this chapter, we focus on indoor positioning technologies with smartphones, and in particular, emphasize the technologies based on radio frequency (RF) and built-in sensors. The pros and cons of the technologies are reviewed and discussed in the context of different applications. Moreover, the challenges of indoor positioning are pointed out and the directions for the future development of this area are discussed.

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Paulus, Andreas L. "Between a Rock and a Hard Place: Italian Concerns Between Constitutional Rights and International Law." In Remedies against Immunity? Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-662-62304-6_18.

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AbstractSentenza 238/2014 has led to a sharp dissonance between the international law of state immunity as interpreted by the International Court of Justice (ICJ) and Italian constitutional law as understood and applied by the Corte Costituzionale. While the interpretation and application by the Italian Constitutional Court (ItCC) of the access-to-courts provision in the Italian Constitution may not have been inevitable, this does not remove the need for finding a solution to the stalemate between international and domestic law. On the one hand, the easy solution, namely that the rejection of German state immunity from jurisdiction does not necessarily remove immunity from execution into German property, appears unlikely to be accepted by the ItCC because it would give stones rather than bread to the complainants and render court access a futile exercise. On the other hand, bringing Sentenza to its logical conclusion would result in Italy having to return to Germany what Italian courts took from her by requiring compensation—either by way of the general international law of restitutio in integrum, which the Corte Costituzionale has neither contemplated nor contradicted, or by way of the 1961 Treaty between Germany and Italy in which Italy promises to indemnify Germany against any further claims. Thus, a compromise would have to distinguish between full access to the Italian courts notwithstanding international immunity—as required by the ItCC—and substantive law, which could accept a more symbolical recognition of the suffering of the victims. That recognition could stem from a direct source other than the two states involved, such as a common fund, and address only the small group of immediate victims who were unjustly, if arguably legally, excluded from the previous compensation scheme of the 1960s. It is by no means certain, however, whether such an outcome would be acceptable to all sides—including the Corte itself. Thus, legal certainty would have to be established as quickly as possible so that the victims can still receive at least symbolic compensation.

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Goddek, Simon, Alyssa Joyce, Sven Wuertz, et al. "Decoupled Aquaponics Systems." In Aquaponics Food Production Systems. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15943-6_8.

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AbstractTraditional aquaponics systems were arranged in a single process loop that directs nutrient-rich water from fish to the plants and back. Given the differing specific nutrient and environmental requirements of plants and fish, such systems presented a compromise to the ideal conditions for rearing of both, thus reducing the efficiency and productivity of such coupled systems. More recently, designs that allow for decoupling of units provide for a more finely tuned regulation of the process water in each of the respective units while also allowing for better recycling of nutrients from sludge. Suspended solids from the fish (e.g. faeces and uneaten feed) need to be removed from the process water before water can be directed to plants in order to prevent clogging of hydroponic systems, a step that represents a significant loss of total nutrients, most importantly phosphorus. The reuse of sludge and mobilization of nutrients contained within that sludge present a number of engineering challenges that, if addressed creatively, can dramatically increase the efficiency and sustainability of aquaponics systems. One solution is to separate, or when there are pathogens or production problems, to isolate components of the system, thus maximizing overall control and efficiency of each component, while reducing compromises between the conditions and species-specific requirements of each subsystem. Another potential innovation that is made possible by the decoupling of units involves introducing additional loops wherein bioreactors can be used to treat sludge. An additional distillation loop can ensure increased nutrient concentrations to the hydroponics unit while, at the same time, reducing adverse effects on fish health from high nutrient levels in the RAS unit. Several studies have documented the aerobic and anaerobic digestion performance of bioreactors for treating sludge, but the benefits of the digestate on plant growth are not well-researched. Both remineralization and distillation components consequently have a high unexplored potential to improve decoupled aquaponics systems.

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Sarhan, Amany. "Fog Computing as Solution for IoT-Based Agricultural Applications." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5003-8.ch003.

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Fog computing is a developing computing approach to extend and assist cloud computing. Fog computing platforms have several characteristics help providing the services for the users in a reduced time manner and thus improve the QoS of the IoT devices such as being close to edge-users, being open platform, and its support for mobility. Thus, it is becoming a necessary approach for user-centric IoT-based applications that involve real-time operations, for example, agricultural applications, internet of vehicles, road monitoring, and smart grid. In this chapter, the present characterizations of fog computing, its architectures and a comprehensive method of how it is used to handle IoT-based agricultural applications are discussed. The chapter also presents some of these possible applications highlighting how they could benefit from the fog layer in providing better services.

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Qamar, Maryam, Mehwish Malik, Saadia Batool, Sidra Mehmood, Asad W. Malik, and Anis Rahman. "Centralized to Decentralized Social Networks." In Advances in Data Mining and Database Management. IGI Global, 2016. http://dx.doi.org/10.4018/978-1-4666-9767-6.ch003.

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This work covers the research work on decentralization of Online Social Networks (OSNs), issues with centralized design are studied with possible decentralized solutions. Centralized architecture is prone to privacy breach, p2p architecture for data and thus authority decentralization with encryption seems a possible solution. OSNs' users grow exponentially causing scalability issue, a natural solution is decentralization where users bring resources with them via personal machines or paid services. Also centralized services are not available unremittingly, to this end decentralization proposes replication. Decentralized solutions are also proposed for reliability issues arising in centralized systems and the potential threat of a central authority. Yet key to all problems isn't found, metadata may be enough for inferences about data and network traffic flow can lead to information on users' relationships. First issue can be mitigated by data padding or splitting in uniform blocks. Caching, dummy traffic or routing through a mix of nodes can be some possible solutions to the second.

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Lee, Cheon-Pyo, and J. P. Shim. "Ubiquitous Healthcare." In Handbook of Research on Distributed Medical Informatics and E-Health. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-002-8.ch019.

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Ubiquitous healthcare has become possible with rapid advances in information and communication technologies. Ubiquitous healthcare will bring about an increased accessibility to healthcare providers, more efficient tasks and processes, and a higher quality of healthcare services. radio frequency identification (RFID) is a key technology of ubiquitous healthcare and enables a fully automated solution for information delivery, thus reducing the potential for human error. This chapter provides an overview of ubiquitous healthcare and RFID applications. In this chapter, the background of ubiquitous computing and RFID technologies, current RFID applications in hospitals, and the future trends and privacy implications of RFID in hospitals are discussed.

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Lee, Cheon-Pyo, and J. P. Shim. "Ubiquitous Healthcare." In Ubiquitous and Pervasive Computing. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-60566-960-1.ch052.

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Ubiquitous healthcare has become possible with rapid advances in information and communication technologies. Ubiquitous healthcare will bring about an increased accessibility to healthcare providers, more efficient tasks and processes, and a higher quality of healthcare services. Radio frequency identification (RFID) is a key technology of ubiquitous healthcare and enables a fully automated solution for information delivery, thus reducing the potential for human error. This chapter provides an overview of ubiquitous healthcare and RFID applications. In this chapter, the background of ubiquitous computing and RFID technologies, current RFID applications in hospitals, and the future trends and privacy implications of RFID in hospitals are discussed.

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Bogdan, Razvan, Mihaela Crişan-Vida, Razvan Muresan, Darius Barmayoun, and Lăcrămioara Stoicu-Tivadar. "Environment Monitoring System Raising Awareness of Sensitive Inhabitants Based on Regression Predictive Modelling." In Studies in Health Technology and Informatics. IOS Press, 2021. http://dx.doi.org/10.3233/shti210173.

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The system described in this paper notifies the user about possible indoor environmental hazards through a smartphone application. Events such as house fires or increasing levels of dangerous substances are detected; thus, raising the awareness level in regard to the quality of the indoor environment. Our solution is a system that monitors the environment within a room in order to avoid undesired health hazards. It consists of a data collection subsystem, a cloud database which stores the collected information and a mobile application that displays and notifies the user in case of critical events that might negatively affect the health condition.

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Atti di convegni sul tema "Thus materialising a possible solution"

Ranjan, Robin R., Devendra V. Parmar, Hardik K. Raipuria, and Pradeep B. Singh. "Innovative Nose Cone Design of Aircraft." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50264.

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The term aerodynamic design means to have a drag reducing shape that cause to reduce the resistance offered by the fluid. Currently designs of the aircraft nosecone is simple rigid shaped Our concept is to have a type of inter-flight convertible nosecone, which can change its shape according with the physical condition of the environment, it means when the aircraft is to take-off, at that time it must have the most aerodynamic shape. And thus the shape of its nosecone should be sharp or may be pin pointed. And if the aircraft has to land back on the runway, it has to resist the air so that the

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Giger, Urs, and Kiril Arnaudov. "Redesign of a Gearbox for 5MW Wind Turbines." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47492.

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Wind turbines with gearboxes must regain the highest possible reliability as fast as possible. This can occur with improved gearbox designs. Epicyclic gear drives with multiple planet gears would be technically correct to solve this torque transmission problem. A maximal compactness and lightweight construction is thus achieved. In order to also meet with the requirements regarding the increase of the rotational speed to a correspondingly efficient value of the generator, several coupled epicyclic trains are necessary. This technically demanding objective is sensibly solved by the proposed gea

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Alsager Alzayed, Mohammad, Christopher McComb, Samuel T. Hunter, and Scarlett R. Miller. "Helping Teams Expand the Breadth of Their Solution Space Through Product Dissection: A Simulation Based Investigation." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85832.

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Product dissection has been highlighted as an effective means of interacting with example products in order to produce creative outcomes. While product dissection is often conducted as a team in engineering design education as a component of larger engineering design projects, the research on the effectiveness of product dissection activities has been primarily limited to individuals. Thus, the goal of this study was to investigate the impact of the type(s) of product dissected in a team environment on the breadth of the design space explored and the underlying influence of educational level o

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Fernandes, John Edward, Saeed Ghalambor, Richard Eiland, Dereje Agonafer, and Veerendra Mulay. "Improving the Thermal Performance of a Forced Convection Air Cooled Solution: Part 2 — Effect on System-Level Performance." In ASME 2013 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ipack2013-73107.

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The heat sink assembly of an air cooled CPU is modified to improve thermal performance of the module-level solution. This modification is employed in a dual-socket server that relies on system fans to move air for forced convection cooling of all heat generating components on the motherboard. Currently, in the data center industry, the focus is on reducing power consumption through application of energy-efficient cooling solutions. Fans installed in the server operate as a function of CPU die temperatures and represent a parasitic load that must be minimized. Improvement in system-level perfor

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Martini, Alberto, Marco Troncossi, Marco Carricato, and Alessandro Rivola. "Static Balancing of a Parallel Kinematics Machine With Linear-Delta Architecture." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20449.

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The study deals with the compensation of gravity loads in closed-loop mechanisms as a possible strategy for enhancing their working performance. This work focuses on the Orthoglide 5-axis, a prototypal parallel robot for milling operation, characterized by linear-delta architecture with two further serial DOFs. Starting from a general theory formerly proposed by the authors, gravity compensation of the mechanism is analytically carried out. The statically balanced Orthoglide 5-axis can be obtained by installing on one leg a proper set of extension springs and a simple additional linkage. A fea

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Guzma´n Pardo, Maria Alejandra, Rodrigo Nicoletti, and Jonas de Carvalho. "Shaft Shape Multi Objective Optimization Based on Bacterial Chemotaxis." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23359.

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Chemotaxis is the biased movement developed by certain living organisms as a response to chemical gradients present in their environment. Thanks to advances in the computing field, bacterial chemotactical strategies and its excellent ability in searching can be modeled, simulated and emulated, thus developing bio-inspired optimization methods alternatively to classical methods. In this work, a multi objective optimization algorithm based on bacterial chemotaxis is proposed and applied to the shape optimization of shafts. Design variables are the diameters along shaft’s length and different con

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Wang, Liqiu, and Tianliang Yang. "Multiplicity and Stability of Forced Convective Heat Transfer in Microchannels." In ASME 2003 1st International Conference on Microchannels and Minichannels. ASMEDC, 2003. http://dx.doi.org/10.1115/icmm2003-1031.

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A numerical study is made on the fully-developed bifurcation structure and stability of the forced convection in a curved microchannel of square cross-section. Two symmetric and four asymmetric solution branches are found. Thus a rich solution structure is found with up to eleven solutions over certain ranges of governing parameters. This multiplicity is at least partially responsible for the large differences in the reported friction factors and heat transfer coefficients in the literature. Dynamic responses of the multiple solutions to finite random disturbances are examined by the direct tr

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Crawford, S. K., and R. J. C. MacMillan. "More Than a Mission – Modelling the Impact of a Support Solution on Submarine Availability, Cost, and Safety." In 14th International Naval Engineering Conference and Exhibition. IMarEST, 2018. http://dx.doi.org/10.24868/issn.2515-818x.2018.004.

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With the demand for increased availability and a higher level of safety, the defence industry is faced with reducing operational and maintenance budgets. Additional focus on acquisition programmes is being placed on through-life requirements, with demonstration and assurances sought early in the life cycle that these requirements can be achieved. Generic approaches to availability, cost and safety modelling are being re-examined, with a push to provide a universal view across both the submarine life-cycle and the support enterprise. The role of a support solution is to ensure continuous unders

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Sankaran, Sivasubramaniyan, Giuseppe Sassanelli, Giuseppe Iurisci, and Andrea Panizza. "Performance Uncertainty Quantification for Centrifugal Compressors: Part 2—Flange to Flange Variability." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68220.

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This paper presents a methodology to control flange to flange performance prediction of centrifugal compressors using a probabilistic approach. In order to have reliable prediction for the performance of centrifugal compressors, a thorough knowledge of critical parameters contributing to the deviation and an efficient way to control the variation of these parameters becomes necessary. This paper discusses about a robust methodology for identifying and controlling the variation of these parameters and hence the predicted performance. This probabilistic technique involves a Design of Experiments

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Soares, Natália Souza, João Marcelo Xavier Natário Teixeira, and Veronica Teichrieb. "Robot training in virtual environments using Reinforcement Learning techniques." In Anais Estendidos do Simpósio de Realidade Virtual e Aumentada. Sociedade Brasileira de Computação, 2020. http://dx.doi.org/10.5753/svr_estendido.2020.12950.

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In this work, we propose a framework to train a robot in a virtual environment using Reinforcement Learning (RL) techniques and thus facilitating the use of this type of approach in robotics. With our integrated solution for virtual training, it is possible to programmatically change the environment parameters, making it easy to implement domain randomization techniques on-the-fly. We conducted experiments with a TurtleBot 2i in an indoor navigation task with static obstacle avoidance using an RL algorithm called Proximal Policy Optimization (PPO). Our results show that even though the trainin

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Rapporti di organizzazioni sul tema "Thus materialising a possible solution"

Slotiuk, Tetiana. CONCEPT OF SOLUTIONS JOURNALISM MODEL: CONNOTION, FUNCTIONS, FEATURES OF FUNCTIONING. Ivan Franko National University of Lviv, 2021. http://dx.doi.org/10.30970/vjo.2021.50.11097.

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The article examines the main features, general characteristics and essence of the concept of solutions journalism. The basic principles of functioning of this model of journalism in the western press and in Ukraine are given. The list and features of activity of the organizations, institutes and editorial offices supporting development of journalism of solutions journalism. The purpose of the publication is to describe the Solutions Journalism model: its features, characteristics and features of functioning, to find out the difference in the understanding of the concept of «solutions journali

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