Academic literature on the topic 'Critical response spectrum'

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Journal articles on the topic "Critical response spectrum"

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Kote, P. B., S. N. Madhekar, and I. D. Gupta. "Use of critical response spectrum for design of multi-story steel buildings under multi-component seismic excitation." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 749–58. http://dx.doi.org/10.38208/acp.v1.577.

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During an earthquake, buildings are simultaneously excited by three-components of ground motion (two horizontal and one vertical) orientations of which are not known apriori. To take account for the uncertainty in the direction of incidence of earthquake waves, a structure is required to be designed such that it is safe for all directions of incidence. For this purpose, the combined effects of two horizontal components of motion are commonly determined using simplified methods such as the percentage rules (e.g. 100%+30%, 100%+40%), square root of the sum of squares (SRSS) and Complete Quadrati
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Menun, Charles. "Strategies for Identifying Critical Seismic Response Combinations." Earthquake Spectra 20, no. 4 (2004): 1139–65. http://dx.doi.org/10.1193/1.1806148.

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The effects of multiple seismic responses acting simultaneously within a structural element must often be considered when checking the capacity of the element or determining its required dimensions or material properties. In particular, an element is viewed as being adequately designed if all combinations of the responses as they evolve during an earthquake remain in the safe region of the response space defined by the relevant capacity surface of the element. In this paper, algorithms are developed to facilitate the comparison of available response-spectrum-based envelopes to prescribed capac
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Chen, An-Jun. "The Shock Characteristics of Tilted Support Spring Packaging System with Critical Components." Shock and Vibration 2014 (2014): 1–8. http://dx.doi.org/10.1155/2014/496035.

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The nonlinear dynamical equations of tilted support spring packaging system with critical components were obtained under the action of half-sine pulse. To evaluate the shock characteristics of the critical components, a new concept of three-dimensional shock response spectrum was proposed. The ratio of the maximum shock response acceleration of the critical components to the peak pulse acceleration, the dimensionless pulse duration, and the frequency parameter ratio of system or the angle of tilted support spring system were three basic parameters of the three-dimensional shock response spectr
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Rajabi, Elham, and Gholamreza Ghodrati Amiri. "Generation of critical aftershocks using stochastic neural networks and wavelet packet transform." Journal of Vibration and Control 26, no. 5-6 (2019): 331–51. http://dx.doi.org/10.1177/1077546319879536.

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This paper proposes a methodology using wavelet packet transform, principal component analysis, and neural networks in order to generate artificial critical aftershock accelerograms which are compatible with the response spectra. This procedure uses the learning abilities of neural networks, principal component analysis as a dimension reduction technique, and decomposing capabilities of wavelet packet transform on consecutive earthquakes. In fact, the proposed methodology consists of two steps and expands the knowledge of the inverse mapping from mainshock response spectrum to aftershock respo
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Zhu, Ruiguang, Bohan Du, Yekai Yang, and Dagang Lu. "The Generation of the Target Aftershock Spectrum Based on the Conditional Mean Spectrum of Aftershocks." Buildings 13, no. 10 (2023): 2660. http://dx.doi.org/10.3390/buildings13102660.

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Numerous studies have examined the responses of various structures to the mainshock–aftershock (MS–AS) ground motion, and the MS–AS ground motions are very important as the input. Therefore, in the absence of aftershock information, it is particularly critical to construct a reasonable MS–AS seismic sequence. This paper aims to provide a new reasonable method for generating the target aftershock response spectrum, which can be used to select or artificially simulate aftershock ground motion, given the seismic information of the main shock. Firstly, the magnitude, fault size, and location of th
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Wang, Jun, Zhi-Wei Wang, Li-Xin Lu, Yong Zhu, and Yong-Guang Wang. "Three-Dimensional Shock Spectrum of Critical Component for Nonlinear Packaging System." Shock and Vibration 18, no. 3 (2011): 437–45. http://dx.doi.org/10.1155/2011/312063.

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To evaluate the shock characteristics of critical component for a nonlinear packaging system, a new concept of three-dimensional shock spectrum was proposed. Three key coordinate parameters, such as the nondimensional pulse duration, the frequency parameter ratio and the ratio of the maximum response acceleration to the peak pulse acceleration, were governed in a novel dynamical mathematical model. It is shown that the shock response of critical component is weakened owning to the decrease in the defined system parameter. Furthermore, at low frequency parameter ratio, the enhancement of the da
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Fokkema, Jacob T., and Anton Ziolkowski. "The critical reflection theorem." GEOPHYSICS 52, no. 7 (1987): 965–72. http://dx.doi.org/10.1190/1.1442365.

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In predictive deconvolution of seismic data, it is assumed that the response of the earth is white. Any nonwhite components are presumed to be caused by the source wavelet or by unwanted multiples. We show that this whiteness assumption is invalid at precritical incidence. We consider plane waves incident on a layered acoustic half‐space. At exactly critical incidence at any interface in the half‐space, the lower layer acts similar to a rigid plate. The response of the half‐space is then all‐pass, or white. This result we call the critical reflection theorem. The response is also white if the
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Vaishali, Nagpure. "Automating Spectrum Sharing in Emergency Response: A Predictive Modeling Approach." International Journal of Innovative Research in Engineering & Multidisciplinary Physical Sciences 10, no. 2 (2022): 1–6. https://doi.org/10.5281/zenodo.14208892.

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This case study explores the application of statistical models for automating public safety spectrum sharing during emergency situations, focusing on enhancing communication efficiency among first responders. Given the increasing complexity of incidents such as natural disasters, effective spectrum management is crucial for ensuring reliable access to communication resources. We developed a predictive model using time-series analysis and multiple linear regression to assess historical spectrum usage and contextual factors, including incident types and weather conditions. By predicting spectrum
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Lewandowska-Pietruszka, Zuzanna Sara, Magdalena Figlerowicz, Gabriela Stępień, and Katarzyna Mazur-Melewska. "The traumatic stress response in children with autism spectrum disorder – a case series." Pediatria i Medycyna Rodzinna 21, no. 2 (2025): 146–53. https://doi.org/10.15557/pimr.2025.0021.

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Research on traumatic stress in children with autism spectrum disorder is limited, but up to 17% may meet post-traumatic stress disorder criteria. While it remains uncertain whether they are more susceptible to psychological trauma, factors such as communication deficits, atypical emotional processing, and biological stress response differences may heighten their vulnerability. This study explores the risk of trauma among children with autism spectrum disorder resulting from war or extended hospitalisation, aiming to deepen understanding and guide future research. Presenting a case series of f
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Niranjani, E., and K. Aravinthan. "Design of Base Isolated School Building with Elastomeric Bearing." Asian Review of Civil Engineering 3, no. 2 (2014): 19–26. http://dx.doi.org/10.51983/tarce-2014.3.2.2207.

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In this paper, a school building which is to be located in Coimbatore region is taken. A four storied (G+3) school building having plan dimension of 16m x 54m is considered. The structure is modeled as single degree of freedom. The analysis of the structure is made by linear dynamic response spectrum method and the dynamic responses are found. From linear response spectrum analysis used in this study, the total base shear forces and storey shear forces in the columns and the absolute and relative storey drifts are found and the column having critical value is found judicially. Elastomeric bear
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Books on the topic "Critical response spectrum"

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LeMaitre, John, and Jan Kornder. Anti-arrhythmics in critical illness. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0038.

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Anti-arrhythmic drugs (AADs) are an important component of the pharmacological arsenal used in the management of the critically-ill patient. The benefits of AADs, as well as their potential disadvantageous side effects, largely depend on their effects upon the cardiac action potential. AADs can be broadly grouped according to their cellular actions, upon which their clinical effects depend. However, there is substantial cross-over amongst the groups in terms of these actions and efficacy for particular arrhythmias, and also for side effects. Amiodarone exhibits a broad spectrum of antiarrhythm
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Chandrika, E. Critical Spectrum: Responses to Contemporary Literary Theories. Papyrus Publishing House, 1998.

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McDermid, Robert C., and Sean M. Bagshaw. Physiological Reserve and Frailty in Critical Illness. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199653461.003.0028.

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Physicians have long sought to define a ‘physiologic age’ distinct from chronologic age which might account for some of the variance in response to critical illness and injury. This has led to the concept of ‘physiologic reserve’ which might represent a major driver of outcome in patients requiring intensive care. The human body is a complex system that adapts to a multitude of external stressors; however, senescence or illness can reduce inherent adaptive mechanisms, reducing complexity and reducing the threshold for decompensation (i.e. acute illness or injury). This theoretical critical thr
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Kulkarni, Kunal, James Harrison, Mohamed Baguneid, and Bernard Prendergast, eds. Emergency medicine. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198729426.003.0006.

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Emergency medicine is a dynamic discipline encompassing critical and acute care for the complete spectrum of health problems. The specialty continues to adapt, in response to external pressures arising from increasing demand, demographic changes, service reconfigurations, and political contrivances. These developments, combined with the prodigious volume of patients attending emergency departments, offer a rich potential for research. Although the field of emergency medicine initially developed slowly outside of America, studies are now regularly conducted and result in a powerful impact on pa
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Peake, Sandra L., and Matthew J. Maiden. Management of septic shock in the critically ill. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0298.

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The management of septic shock is a medical emergency. Following prompt recognition, treatment priorities are haemodynamic resuscitation, empirical antimicrobials, urgent control of the source of infection and monitoring the response to therapy. Haemodynamic resuscitation is focused on maintaining an adequate macrocirculation, while also ensuring adequacy of microcirculatory blood flow to the cells. Intravenous fluids and catecholamines have been the mainstay of therapy. However, the amount and type of fluids, choice of vasoactive medications, and the appropriate resuscitation endpoints have b
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Venkatesh, Bala, and Jeremy Cohen. Pathophysiology and management of adrenal disorders in the critically ill. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0261.

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The existence of the syndromes of relative adrenal insufficiency, or critical illness corticosteroid insufficiency, are debatable. In sepsis, there are alterations in plasma cortisol profiles, and corticotropin responsiveness with marked variability in responses between patients. It is probable that the spectrum of plasma and tissue glucocorticoid changes may represent a ‘sick euadrenal state’ analogous to the sick euthyroid state and may not reflect adrenocortical insufficiency. Treatment of acute adrenal crisis should not be delayed for the results of adrenal testing, and should consist of i
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Murrani, Sana. Rupturing Architecture. Bloomsbury Publishing Plc, 2024. https://doi.org/10.5040/9781350325371.

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This is the first book to critically and visually explore the spatial practices of refuge in response to conditions of war, violence, and displacement experienced in Iraq from 2003 to 2023. Written by an Iraqi architect who has lived through the trauma of several wars, 10 years of UN-imposed sanctions, an invasion, and the subsequent violence, this book captures a broad spectrum of spatial responses to trauma and presents a fresh perspective on how ordinary Iraqis create refuge across the spaces of the home, the urban environment, and border geographies. In the face of spatial wounding and the
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Danbury, Christopher, Christopher Newdick, Alex Ruck Keene, and Carl Waldmann, eds. Law and ethics in intensive care. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198817161.001.0001.

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The practice of intensive care medicine raises multiple legal and ethical issues on a daily basis, making it increasingly difficult to know whom to admit and when, at what stage invasive management should be withdrawn, and who, importantly, should decide? These profound dilemmas, already complicated in a setting of scarce resources, mandate an understanding of law and ethics for those working in intensive care medicine. Clinically focused, the book explains the relevance of landmark rulings to aid the day-to-day decision making of critical care professionals. A spectrum of ethical and legal co
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Levinson, Meira, Ellis Reid, Sara O’Brien, and Tatiana Geron, eds. Civic Contestation in Global Education. Bloomsbury Publishing Plc, 2024. http://dx.doi.org/10.5040/9781350399532.

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Civic Contestation in Global Educationtakes readers into classrooms and schools on the front lines of civic education in pluralistic and divided democracies.The book offers eight case studies of educators and policy makers wrestling with schools’ civic and ethical responsibilities around the globe. Examples of the case studies include teaching critical consciousness in an Anti-CRT state, religiously sensitive satirical cartoons and radical extremism, and accommodating religion in schools. Each case is followed by a model conversation among diverse participants based in Australia, Canada, Germa
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von Klemperer, Klemens. German Incertitudes, 1914-1945. Praeger, 2001. http://dx.doi.org/10.5040/9798400656712.

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The history of modern Germany has all too readily been seen in terms of an historical process that inevitably led to the horrors of National Socialism. As there are no certitudes in life, however, so there are none in German history. In this book, historian Klemens von Klemperer focuses on what he terms the German Incertitudes--namely, the tensions between a realistic acceptance of disenchantment with the modern world, and an insistence upon reenchantment. Exploring this tension through a critical assessment of the ideas and writings of major German thinkers, von Klemperer seeks to account for
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Book chapters on the topic "Critical response spectrum"

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Yang, Nan, Xiaofeng Wang, Zheying Zhang, Dominik Siemon, and Sami Hyrynsalmi. "Core Theories in Agile Software Development." In Lecture Notes in Business Information Processing. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-94544-1_1.

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Abstract The lack of core theories is a challenge for the whole software engineering (SE) discipline, particularly crucial for the agile software development (ASD) field, which is largely practice-driven. Without solid and continuous theoretical development glued by core theories, ASD risks repeating wrong practices and oversimplifying real-world phenomena. To address this issue and foster a strong link between empirical evidence and theoretical development, we conduct this critical review using the Complex Network Analysis (CNA) approach, in response to the editors’ call on the XP2020 confere
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Adam, Maya, Jennifer Gates, Nokwanele Mbewu, and Till Bärnighausen. "Foundations and Future Directions of Global Health Communication." In Sustainable Development Goals Series. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-53793-6_6.

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AbstractGlobally, lack of equitable access to easy-to-understand health information leaves many people poorly equipped to understand their health—and vulnerable to misinformation. In response to this need, health communication specialists must develop innovative, theory-driven approaches to engaging diverse populations with compelling messages. As we develop our approaches to health communication, we must address the needs of our audience, taking into account their education, language, literacy level, or cultural affiliations. If our goal is to reach the broadest spectrum of people worldwide,
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Perez-Encinas, Adriana, Pablo Villarrubia, and Sandra Tobon. "Exploring Services and Support for Credit-Mobile International Students." In European Higher Education Area 2030: Bridging Realities for Tomorrow’s Higher Education. Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-75140-0_5.

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Abstract An increasing number of students are participating in international credit mobility and other short-term programs, and as a result, there is a growing demand for services to enhance their mobility experience. Yet with some exceptions (e.g., Almeida (2020)), there is a lack of literature exploring the services and support infrastructure demanded by credit-mobile students. Consequently, this research fills a critical gap by presenting the results of the first institutional survey as part of a European project, “Erasmus Careers”, examining inbound and outbound mobility services and suppo
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Prior, P. F. "Critical Comparison of Monitoring EEG, Cerebral Function (CFM), Compressed Spectral Array (CSA) and Evoked Response Under Conditions of Reduced Cerebral Perfusion." In Controlled Hypotension in Neuroanaesthesia. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2499-7_14.

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Wijdicks, Eelco F. M. "Neurologic Manifestations of Acid–Base Derangements, Electrolyte Disorders, and Endocrine Crises." In Neurologic Complications of Critical Illness, 4th ed., edited by Eelco F. M. Wijdicks. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/med/9780197585016.003.0014.

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Abstract Critically ill patients display a gamut of homeostatic imbalances, and it is difficult to predict the ultimate clinical response in any given patient with any degree of acute metabolic abnormality. The clinical spectrum associated with acute metabolic or endocrine derangements ranges from transient and subtle neurologic manifestations to long-lasting damage to the central nervous system. Interpretation of laboratory derangements is important because several electrolyte and acid–base abnormalities are encountered regularly in the intensive care unit. In this chapter, the most represent
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Zreik, Mohamad. "Evaluating Lebanon's Economic Policy Response to the Syrian Refugee Crisis." In Advances in Media, Entertainment, and the Arts. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-3459-1.ch004.

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This chapter critically evaluates the policy measures enacted by Lebanon in response to the economic turmoil following the Syrian refugee influx. The analysis encompasses a spectrum of policy areas, including but not limited to monetary policy, fiscal adjustments, and labour market regulation. It scrutinizes the efficacy of these policies, highlighting both their strengths and potential weaknesses. Moreover, the chapter debates the long-term viability of the Lebanese government's responses, especially in relation to persistent challenges such as employment, price stability, and external trade.
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"Introduction." In Wrestling with God, edited by Steven T. Katz, Shlomo Biderman, and Gershon Greenberg. Oxford University PressNew York, NY, 2007. http://dx.doi.org/10.1093/oso/9780195300147.003.0029.

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Abstract The selections included in this section are drawn from European and American authors. The views expressed range across the entire theological spectrum from those that are very traditional to those that conclude that the Holocaust proves God’s nonexistence. Each position is thoughtful and, in its own way, provocative. But all are open to critical interrogation and various forms of rebuttal. The responses come mainly in two forms. The first set primarily draws upon and recycles explanatory models that have their roots in the Bible. That is, they employ explanations that were first offer
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Danler, Martin, Werner O. Hackl, Sabrina B. Neururer, and Bernhard Pfeifer. "Quality and Effectiveness of AI Tools for Students and Researchers for Scientific Literature Review and Analysis." In dHealth 2024. IOS Press, 2024. http://dx.doi.org/10.3233/shti240038.

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This study scrutinizes free AI tools tailored for supporting literature review and analysis in academic research, emphasizing their response to direct inquiries. Through a targeted keyword search, we cataloged relevant AI tools and evaluated their output variation and source validity. Our results reveal a spectrum of response qualities, with some tools integrating non-academic sources and others depending on outdated information. Notably, most tools showed a lack of transparency in source selection. Our study highlights two key limitations: the exclusion of commercial AI tools and the focus so
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Warner, Marina. "7. In the dock." In Fairy Tale: A Very Short Introduction. Oxford University Press, 2018. http://dx.doi.org/10.1093/actrade/9780199532155.003.0007.

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In the post-war period, fairy tales were denounced as a blunt tool of patriarchy, the bourgeoisie, cosmetic surgeons, the fashion industry, and psychoanalysts bent on curbing girls’ energies and desires. ‘In the dock: don’t bet on the prince’ considers tbe feminist response to the fairy tale from the 1970s onwards. After critical close readings of fairy tales, the strategies feminists devised ranged from furious satire, irony, and parody and, at the other end of the literary spectrum, romancing on their own terms, in inventive and witty re-visionings. The most incandescent work to rise from th
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Saeed, Rashid A., Mamoon M. Saeed, Zeinab E. Ahmed, and Aisha H. A. Hashim. "Enhancing Medical Services Through Machine Learning and UAV Technology." In Applications of Machine Learning in UAV Networks. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-0578-2.ch012.

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This chapter focuses on the enhancement of medical services through the integration of unmanned aerial vehicle (UAV) technology and machine learning algorithms. It explores the broad spectrum of applications and benefits that arise from combining these two technologies. By employing UAVs for automated delivery, medical supplies can be efficiently transported to remote or inaccessible regions, thereby improving access to vital items. Remote patient monitoring, facilitated through UAVs and machine learning, enables real-time data collection and analysis, enabling the early identification of heal
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Conference papers on the topic "Critical response spectrum"

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Lhuillier, Emmanuel, Tung Hu Dang, Adrien Khalili, David Darson, Pierre Potet, and Angela Vasanelli. "Nanophotonics applied to the design of nanocrystal based infrared sensor." In CLEO: Applications and Technology. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jm4d.3.

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It's fascinating to witness the significant progress achieved in leveraging colloidal nanocrystals as a viable platform for infrared optoelectronics. Their adaptability as a spin-coatable resist with infrared photoactive properties has spurred developments that transcend mere material advancements and delve deeply into advanced device design. A standout accomplishment in the infrared domain is the development of infrared cameras utilizing nanocrystal thin films as their active layers. This marks a paradigm shift in infrared imaging, challenging the long-held focus on high-quality monocrystalli
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Rocchini, Gabriele. "Corrosion Rate Monitoring of Some Carbon Steels in EDTA Solutions." In CORROSION 1991. NACE International, 1991. https://doi.org/10.5006/c1991-91227.

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Abstract The main aspects of steam generator acid cleaning and the developments of chelating process technology are examined and a brief description is given of a pilot plant which was designed for the improvement and optimization of the composition of EDTA solutions to be used for cleaning the low-carbon steels and for the characterization and qualification of commercial systems. The inner surface of the plant, which can be run directly by a computer and can operate at temperatures up to 150 °C under a pressure of 5 atm, is chemically inert to a wide spectrum of electrolytic solutions. The te
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Li, Bingwei, Qingming Li, Bo Liu, Zhiling Niu, Zijun Nangong, and Changjian Zhao. "Critical Shock Response Spectrum of a Beam Under Shock Loading." In ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/omae2016-54507.

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The offshore structures experience severe shock environment caused by storms, episodic waves, icebergs or supply ships. The aerospace equipment may also encounter severe shock loadings due to pyrotechnic shock. The intensive shock causes structural failures, or even results in fatal consequences on the related facilities and persons. Therefore it is important to study the response and the damage behavior of structures under shock loading. The damage boundary of a beam under shock is studied, based on the structural dynamics and the shock response spectrum analysis. The relationship between the
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Houston, Thomas W., Greg E. Mertz, Michael C. Costantino, and Carl J. Costantino. "Investigation of the Impact of Seed Record Selection on Structural Response." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25919.

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Time history records are typically used to define the seismic demand for critical structures for which soil structure interaction (SSI) analyses are often required. Criteria for the development of time histories is provided in ASCE 43-05. The time histories are based on a close fit of 5% damped target response spectra. Recent experience has demonstrated that for cases where the transfer functions associated with the structural response are narrow, the ASCE 43-05 criteria can under-predict peak spectral responses in the structure by as much as 70% in some frequency ranges. One potential solutio
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Clauss, Gu¨nther F., Daniel Testa, Sascha Kosleck, and Robert Stu¨ck. "Forecast of Critical Wave Groups From Surface Elevation Snapshots." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29090.

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Reports on damages of ships, cargo and structures during heavy seas have been increasing within the last years. The impact of single extreme waves or wave groups on marine structures and ships causes enormous forces often leading to critical situations or even loss of crew, ship and cargo. Dangerous situations can be predicted by a forecast of encountering wave trains and the identification of critical wave groups. The paper presents a method to calculate the wave train a ship will encounter from surface elevation snapshots of the surrounding sea, taken by the ship radar. The time-dependent su
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Yang, Yang, and Zhijian Yu. "Singular Spectrum Analysis Of Transient Heat Release In A Premixed Swirl Combustor." In GPPS Xi'an21. GPPS, 2022. http://dx.doi.org/10.33737/gpps21-tc-135.

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Lean premixed swirling flame is normally accompanied with a thermoacoustic issue. Analysis of the heat release rate time series generated by large eddy simulation is an effective way to determine the flame dynamics during combustor design. However, due to the high cost of large eddy simulation, the signal is always short-duration. It is difficult to tell if the flames would eventually quench from such duration signals. Therefore, there should be one post-processing method, which can analyze such non-stationary, short, and noisy time series and extract useful flame dynamic information. In this
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Gupta, Deepak K., and Pugazhendhi Kanakasabai. "Methods for Evaluating the Effect of Slack Rope Condition in a Nuclear Material Handling Equipment." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-96171.

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Abstract Electric overhead & gantry multiple girder cranes with top running bridge & trolley used at nuclear facilities are typically designed in the US per the American Society of Mechanical Engineers Nuclear Operating Guide-1 [1] (NOG-1) Standard which is approved by the US Nuclear Regulatory Commission (NRC). Per NOG-1, seismic qualification of the material handling equipment is a major design consideration based on the equipment’s safety classification. Nuclear material handling devices typically use steel wire ropes to hoist the critical load. Seismic events can cause excessive vi
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Kim, Booki, Min-Cheol Ryu, Jun-Hyung Jung, and Yungsup Shin. "Identification of Critical Sea States for Sloshing Model Tests." In SNAME Maritime Convention. SNAME, 2010. http://dx.doi.org/10.5957/smc-2010-t38.

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This paper presents a methodology for identifying a set of irregular sea states for sloshing model test conditions that are most likely to produce large sloshing pressures on tank walls. To identify the critical sea states, the sloshing pseudo-response amplitude operator (RAO) is defined based on the total sloshing wave energy that is the sum of kinetic and potential energies on the free surface. The mathematical model is formulated in the frequency domain within the regime of potential flow theory. A concept of sloshing intensity is then introduced to define the sloshing severity in an irregu
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Geihe, Benedict, Christian Frey, and Graham Ashcroft. "Efficient Forced Response Analysis for Asymmetric Vane Spacing." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-82983.

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Abstract In the context of forced response analysis, we present a computationally efficient method to capture the effect of inflow distortions caused by intentional variation of cyclic vane spacing. Applying such configurations is a typical mitigation strategy when unforeseen critical blade vibrations occur due to synchronous excitation by wakes of an upstream row. Altering the circumferential distance in a section-wise pattern effectively distributes the fluctuations among several engine order frequencies, thereby reducing their amplitudes. The rotationally asymmetric configurations initially
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Souza, Felipe Lopes de, Eduardo Aoun Tannuri, Pedro Cardozo de Mello, Guilherme Franzini, Jordi Mas-Soler, and Alexandre Nicolaos Simos. "Bayesian Estimation of Directional Wave-Spectrum Using Vessel Movements and Wave-Probes: Proposal and Preliminary Experimental Validation." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-61241.

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The measurement of the directional wave spectrum in oceans has been done by different approaches, mainly wave-buoys, satellite imagery and radar technologies; these methods, however, present some inherent drawbacks, e.g., difficult maintenance, low-resolution around areas of interest and high-cost. In order to overcome those problems, recent works in the area proposed a motion-based estimation procedure using the vessel, or the floating facility, as a wave sensor, what was called wave-buoy analogy. Despite of solving the issues, the solution is still incomplete, since it suffers from low estim
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Reports on the topic "Critical response spectrum"

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Bray, Jonathan, Ross Boulanger, Misko Cubrinovski, et al. U.S.—New Zealand— Japan International Workshop, Liquefaction-Induced Ground Movement Effects, University of California, Berkeley, California, 2-4 November 2016. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2017. http://dx.doi.org/10.55461/gzzx9906.

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There is much to learn from the recent New Zealand and Japan earthquakes. These earthquakes produced differing levels of liquefaction-induced ground movements that damaged buildings, bridges, and buried utilities. Along with the often spectacular observations of infrastructure damage, there were many cases where well-built facilities located in areas of liquefaction-induced ground failure were not damaged. Researchers are working on characterizing and learning from these observations of both poor and good performance. The “Liquefaction-Induced Ground Movements Effects” workshop provided an opp
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Henriikka, Henriikka, Naudet Naudet, and Marin Dacos. Building a Global Research Initiative On Open Science. Ministère de l’enseignement supérieur et de la recherche, 2024. http://dx.doi.org/10.52949/54.

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The Global Research Initiative on Open Science (GRIOS) represents a pioneering effort to systematically evaluate, promote, and implement Open Science practices worldwide. GRIOS will address the critical gaps in our understanding and application of Open Science. This initiative is a direct response to the growing recognition of Open Science's potential to democratise access to research findings, enhance the quality of scientific inquiry, and foster a more inclusive and collaborative research environment. GRIOS will catalyse the global adoption of Open Science by: - Conducting in-depth reviews o
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Noga, Edward J., Angelo Colorni, Michael G. Levy, and Ramy Avtalion. Importance of Endobiotics in Defense against Protozoan Ectoparasites of Fish. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7586463.bard.

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Infectious disease is one of the most serious causes of economic loss in all sectors of aquaculture. There is a critical need to understand the molecular basis for protection against infectious disease so that safer, more reliable and more cost-effective strategies can be designed for their control. As part of this effort, the major goal of our BARD project was to determine the importance of endobiotics as a defense against protozoan ectoparasites in fish. Endobiotics, or antimicrobial polypeptides, are peptides and small proteins that are increasingly recognized as having a vital role in the
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Viswanathan, Meera, Jennifer Cook Middleton, Alison Stuebe, et al. Maternal, Fetal, and Child Outcomes of Mental Health Treatments in Women: A Systematic Review of Perinatal Pharmacologic Interventions. Agency for Healthcare Research and Quality (AHRQ), 2021. http://dx.doi.org/10.23970/ahrqepccer236.

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Background. Untreated maternal mental health disorders can have devastating sequelae for the mother and child. For women who are currently or planning to become pregnant or are breastfeeding, a critical question is whether the benefits of treating psychiatric illness with pharmacologic interventions outweigh the harms for mother and child. Methods. We conducted a systematic review to assess the benefits and harms of pharmacologic interventions compared with placebo, no treatment, or other pharmacologic interventions for pregnant and postpartum women with mental health disorders. We searched fo
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Leslie, Jean, and Kelly Simmons. Leadership Capabilities for Navigating a Polycrisis. Center for Creative Leadership, 2024. http://dx.doi.org/10.35613/ccl.2024.2058.

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In an era of global challenges, leaders face a landscape characterized by what scholars term "polycrisis1" – a convergence of multiple, interconnected crises that amplify each other'simpacts. While the concept of polycrisis is gaining recognition, our study revealed a significant gap. No substantial body of literature currently addresses leadership in the midst of polycrisis. This absence underscores the novelty and importance of our study. To bridge this gap, we turned to the concepts of "grand challenges" and "wicked problems," which share many characteristics with polycrisis and have more e
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