Relevant bibliographies by topics / Time-varying-potential

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Time-varying-potential'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Time-varying-potential"

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Xiao-Hu Yu, Zhen-Ya He, and Yi-Sheng Zhang. "Time-varying adaptive filters for evoked potential estimation." IEEE Transactions on Biomedical Engineering 41, no. 11 (1994): 1062–71. http://dx.doi.org/10.1109/10.335844.

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Özlale, Ümit, and Levent Özbek. "Analyzing time-varying effects of potential output growth shocks." Economics Letters 98, no. 3 (March 2008): 294–300. http://dx.doi.org/10.1016/j.econlet.2007.05.006.

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Boovaragavan, Vijayasekaran, and C. Ahmed Basha. "Optimal time-varying potential profile for electro-hydro-dimerization reactions." Journal of Process Control 19, no. 2 (February 2009): 241–46. http://dx.doi.org/10.1016/j.jprocont.2008.04.002.

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Cao, Junyi, Wei Wang, Shengxi Zhou, Daniel J. Inman, and Jing Lin. "Nonlinear time-varying potential bistable energy harvesting from human motion." Applied Physics Letters 107, no. 14 (October 5, 2015): 143904. http://dx.doi.org/10.1063/1.4932947.

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Witlox, Henk W. M., and Mike Harper. "Modeling of time-varying dispersion for releases including potential rainout." Process Safety Progress 33, no. 3 (November 8, 2013): 265–73. http://dx.doi.org/10.1002/prs.11652.

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Rivolta, Giulia. "Potential ECB reaction functions with time-varying parameters: an assessment." Empirical Economics 55, no. 4 (October 13, 2017): 1425–73. http://dx.doi.org/10.1007/s00181-017-1337-z.

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Dimeo, Robert M. "Wave packet scattering from time-varying potential barriers in one dimension." American Journal of Physics 82, no. 2 (February 2014): 142–52. http://dx.doi.org/10.1119/1.4833557.

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Chiaramello, E., S. Fiocchi, M. Bonato, S. Gallucci, M. Benini, and M. Parazzini. "Cell transmembrane potential in contactless permeabilization by time-varying magnetic fields." Computers in Biology and Medicine 135 (August 2021): 104587. http://dx.doi.org/10.1016/j.compbiomed.2021.104587.

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Sabeti, Malihe, and Reza Boostani. "Separation of P300 event-related potential using time varying time-lag blind source separation algorithm." Computer Methods and Programs in Biomedicine 145 (July 2017): 95–102. http://dx.doi.org/10.1016/j.cmpb.2017.04.014.

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Brand, Jennie E., and Yu Xie. "11. Identification and Estimation of Causal Effects with Time-Varying Treatments and Time-Varying Outcomes." Sociological Methodology 37, no. 1 (August 2007): 393–434. http://dx.doi.org/10.1111/j.1467-9531.2007.00185.x.

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We develop an approach to identifying and estimating causal effects in longitudinal settings with time-varying treatments and time-varying outcomes. The classic potential outcome approach to causal inference generally involves two time periods: units of analysis are exposed to one of two possible values of the causal variable, treatment or control, at a given point in time, and values for an outcome are assessed some time subsequent to exposure. In this paper, we develop a potential outcome approach for longitudinal situations in which both exposure to treatment and the effects of treatment are time-varying. In this longitudinal setting, the research interest centers not on only two potential outcomes, but on a whole matrix of potential outcomes, requiring a complicated conceptualization of many potential counterfactuals. Motivated by sociological applications, we develop a simplification scheme—a weighted composite causal effect that allows identification and estimation of effects with a number of possible solutions. Our approach is illustrated via an analysis of the effects of disability on subsequent employment status using panel data from the Wisconsin Longitudinal Study.
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Dissertations / Theses on the topic "Time-varying-potential"

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TUNG, TZU-CHING, and 董子慶. "The transport phenomena of a deterministic ratchet with time-varying potential." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/16112296462995224973.

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碩士
中華大學
機械工程學系碩士班
100
Most of the previous researches on the deterministic ratchet effect considered the amplitude of the periodic external force to the effect of the particle directional transport and current reversal phenomenon. This paper studies the change of the frequency of the external forces to the effect of the deterministic ratchet particle movement. In addition, previous researches showed that the potential field of the deterministic ratchet is time invariant and distributed in space periodically but distributed asymmetrically in each cycle. This paper attempts to study the time-varying model of the potential field of the ratchet and the directed transport phenomena of particles. Results show that the change of dimensionless parameters such as amplitude a, damping force b, frequency ω can affect the movement behavior of particles. Among them, separation rate of particles is most fast for changing the dimensionless parameter a. The time-varying model of the potential field of the ratchet can apply not only to the directional transport of particles and the particle mass separation, but also to simplify the simulation of flow field of counter-current phenomenon
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Krishnan, Sandeep Kalyanapuram. "Assessment of numerical differentiation methods for kinematic orbit solution of the GRACE mission." 2012. http://hdl.handle.net/2152/19718.

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The historical method of precise orbit determination is a dynamic approach. However, with the improvement of GPS tracking data and associated tracking networks, two newer methods have been developed: reduced-dynamic and kinematic. In addition to orbit determination, alternative methods of gravity field recovery have been developed using kinematic orbits which do not rely on any force modeling. However, one significant drawback of kinematic orbits is that they lack any velocity or acceleration information. These have to be derived numerically. Based on the results of this thesis, the Savitzky-Golay filter, without using a remove-restore procedure, is recommended for deriving kinematic velocities of the GRACE mission. In addition, the numerical differentiation methods are tested to see how well accurately they represent the satellite's acceleration for all three orbit types. Finally, with the kinematic orbits properly reconstructed, the results can also be compared to dynamic and reduced-dynamic orbits through K-Band Ranging residuals.
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Johansson, David. "Green Virtual Network Function Placement with Respect to Time-Varying Data and Potential Link Failures." Thesis, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-66000.

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This thesis presents an integer programming model for energy efficient routing of network traffic and deployment of virtual network functions in a network. The optimization model provides certain protection against hardware failure, by finding both a primary and a backup path for each traffic demand. Furthermore, the model is capable of modelling multiple time periods, allowing the network to adapt to expected changes in network load. By applying Soyster's robustness principle, the model can also yield a network configuration that can handle network load that deviates from the expected load. Lastly, the model ensures an upper bound on the latency of service chains. As expected with integer programming models, this model is difficult to solve for anything but the smallest of networks. Therefore, a single time period and variable fixing heuristic is proposed to help speed up the solve time. Evaluation of the model and heuristic is done in the context of the Evolved Packet Core. The evaluation shows that the heuristic indeed improves the solve time significantly, but it also shows that there is room for improvement.
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Dunk, Nadine. "Time-varying changes in the lumbar spine from exposure to sedentary tasks and their potential effects on injury mechanics and pain generation." Thesis, 2009. http://hdl.handle.net/10012/4915.

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General body discomfort increases over time during prolonged sitting and it is typically accepted that no single posture can be comfortably maintained for long periods. Despite this knowledge, workplace exposure to prolonged sitting is very common. Sedentary occupations that expose workers to prolonged sitting are associated with an increased risk of developing low back pain (LBP), disc degeneration and lumbar disc herniation. Given the prevalence of occupations with a large amount of seated work and the propensity for a dose-response relationship between sitting and LBP, refining our understanding of the biomechanics of the lumbar spine during sitting is important. Sitting imposes a flexed posture that, when held for a prolonged period of time, may cause detrimental effects on the tissues of the spine. While sitting is typically viewed as a sedentary and constrained task, several researchers have identified the importance of investigating movement during prolonged sitting. The studies in this thesis were designed to address the following two global questions: (1) How do the lumbar spine and pelvis move during sitting? (2) Can lumbar spine movement and postures explain LBP and injury associated with prolonged sitting? The first study (Study 1) examined static X-ray images of the lower lumbo-sacral spine in a range of standing and seated postures to measure the intervertebral joint angles that contribute to spine flexion. The main finding was that the lower lumbo-sacral joints approach their total range of motion in seated postures. This suggests that there could be increased loading of the passive tissues surrounding the lower lumbo-sacral intervertebral joints, contributing to low back pain and/or injury from prolonged sitting. Study 2 compared external spine angles measured using accelerometers from L3 to the sacrum with corresponding angles measured from X-ray images. While the external and internal angles did not match, the accelerometers were sensitive to changes in seated lumbar posture and were consistent with measurements made using similar technology in other studies. This study also provided an in-depth analysis of the current methods for data treatment and how these methods affect the outcomes. A further study (Study 3) employed videofluoroscopy to investigate the dynamic rotational kinematics of the intervertebral joints of the lumbo-sacral spine in a seated slouching motion in order to determine a sequence of vertebral motion. The pelvis did not initiate the slouching motion and a disordered sequence of vertebral rotation was observed at the initiation of the movement. Individuals performed the slouching movement using a number of different motion strategies that influenced the IVJ angles attained during the slouching motion. From the results of Study 1, it would appear as though the lowest lumbar intervertebral joint (L5/S1) contribute the most to lumbo-sacral flexion in upright sitting, as it is at approximately 60% of its end range in this posture. However, the results from Study 3 suggest that there is no consistent sequence of intervertebral joint rotation when flexing the spine from upright to slouched sitting. When moving from standing to sitting, lumbar spine flexion primarily occurs at the lowest joint (i.e. L5/S1); however, a disordered sequence of vertebral motion the different motion patterns observed may indicate that different joints approach their end range before the completion of the slouching movement. In order to understand the biomechanical factors associated with sitting induced low back pain, Study 4 examined the postural responses and pain scores of low back pain sufferers compared with asymptomatic individuals during prolonged seated work. The distinguishing factor between these two groups was their respective time-varying seated lumbar spine movement patterns. Low back pain sufferers moved more than asymptomatic individuals did during 90 minutes of seated work and they reported increased low back pain over time. Frequent shifts in lumbar spine posture could be a mechanism for redistributing the load to different tissues of the spine, particularly if some tissues are more vulnerable than others. However, increased movement did not completely eliminate pain in individuals with pre-existing LBP. The LBP sufferers’ seated spine movements increased in frequency and amplitude as time passed. It is likely that these movements became more difficult to properly control because LBP patients may lack proper lumbar spine postural control. The results of this study highlight the fact that short duration investigations of seated postures do not accurately represent the biological responses to prolonged exposure. Individuals with sitting-induced low back pain and those without pain differ in how they move during seated work and this will have different impacts on the tissues of the lumbar spine. A tissue-based rational for the detrimental effects on the spinal joint of prolonged sitting was examined in Study 5 using an in vitro spine model and simulated spine motion patterns documented in vivo from Study 4. The static protocol simulated 2 hours of sitting in one posture. The shift protocol simulated infrequent but large changes in posture, similar to the seated movements observed in a group of LBP sufferers. The fidget protocol replicated small, frequent movements about one posture, demonstrated by a group of asymptomatic individuals. Regardless of the amount of spine movement around one posture, all specimens lost a substantial amount of disc height. Furthermore, the passive range of motion of a joint changed substantially after 2 hours of simulated sitting. Specifically, there were step-like regions of reduced stiffness throughout the passive range of motion particularly around the adopted “seated flexion” angle. However, small movements around a posture (i.e. fidgeting) may mitigate the changes in the passive stiffness in around the seated flexion angle. The load transferred through the joint during the 2-hour test was varied either by changing postures (i.e. shifting) or by a potential creep mechanism (i.e. maintaining one static posture). Fidgeting appeared to reduce the variation of load carriage through the joint and may lead to a more uniform increase in stiffness across the entire passive range of motion. These changes in passive joint mechanics could have greater consequences for a low back pain population who may be more susceptible to abnormal muscular control and clinical instability. Nevertheless, the observed disc height loss and changes in joint mechanics may help explain the increased risk of developing disc herniation and degeneration if exposure to sitting is cumulative over many days, months and years. In summary, this work has highlighted that seated postures place the joints of the lumbar spine towards their end range of motion, which is considered to be risky for pain/injury in a number of tissue sources. In-depth analyses of both internal and external measurements of spine postures identified different seated motion patterns and self-selected seated postures that may increase the risk for developing LBP. The model of seated LBP/discomfort development used in this thesis provided evidence that large lumbar spine movements do not reduce pain in individuals with pre-existing LBP. Tissue-based evidence demonstrated that 2 hours of sitting substantially affects IVJ mechanics and may help explain the increased risk of developing disc herniation and degeneration if exposure to sitting is cumulative over many days, months and years. The information obtained from this thesis will help develop and refine interventions in the workplace to help reduce low back pain during seated work.
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"Modeling Relationships between Cycles in Psychology: Potential Limitations of Sinusoidal and Mass-Spring Models." Master's thesis, 2019. http://hdl.handle.net/2286/R.I.53747.

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abstract: With improvements in technology, intensive longitudinal studies that permit the investigation of daily and weekly cycles in behavior have increased exponentially over the past few decades. Traditionally, when data have been collected on two variables over time, multivariate time series approaches that remove trends, cycles, and serial dependency have been used. These analyses permit the study of the relationship between random shocks (perturbations) in the presumed causal series and changes in the outcome series, but do not permit the study of the relationships between cycles. Liu and West (2016) proposed a multilevel approach that permitted the study of potential between subject relationships between features of the cycles in two series (e.g., amplitude). However, I show that the application of the Liu and West approach is restricted to a small set of features and types of relationships between the series. Several authors (e.g., Boker & Graham, 1998) proposed a connected mass-spring model that appears to permit modeling of more general cyclic relationships. I showed that the undamped connected mass-spring model is also limited and may be unidentified. To test the severity of the restrictions of the motion trajectories producible by the undamped connected mass-spring model I mathematically derived their connection to the force equations of the undamped connected mass-spring system. The mathematical solution describes the domain of the trajectory pairs that are producible by the undamped connected mass-spring model. The set of producible trajectory pairs is highly restricted, and this restriction sets major limitations on the application of the connected mass-spring model to psychological data. I used a simulation to demonstrate that even if a pair of psychological time-varying variables behaved exactly like two masses in an undamped connected mass-spring system, the connected mass-spring model would not yield adequate parameter estimates. My simulation probed the performance of the connected mass-spring model as a function of several aspects of data quality including number of subjects, series length, sampling rate relative to the cycle, and measurement error in the data. The findings can be extended to damped and nonlinear connected mass-spring systems.
Dissertation/Thesis
Masters Thesis Psychology 2019
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Books on the topic "Time-varying-potential"

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Hoffman, Ralph E., and Arielle D. Stanford. TMS clinical trials involving patients with schizophrenia. Edited by Charles M. Epstein, Eric M. Wassermann, and Ulf Ziemann. Oxford University Press, 2012. http://dx.doi.org/10.1093/oxfordhb/9780198568926.013.0042.

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Repetitive transcranial magnetic stimulation ((r)TMS) is being studied as an experimental intervention for patients with neuropsychiatric disorders. These approaches have been informed by animal studies of long-term potentiation (LTP) and long-term depression (LTD). They show that repeated stimulation of neural circuits could exert effects on synaptic efficacy, for varying amounts of time, beyond the period of stimulation. Few studies using rTMS as a potential clinical intervention for schizophrenia have been carried out. They show promise in terms of advancing the understanding of pathophysiological mechanisms and developing alternative interventions. These studies, considered together, suggest that rTMS holds promise as an intervention strategy for patients with schizophrenia. Rigorously designed trials with larger numbers of subjects are indicated in order to take into account nonspecific factors that could add noise to outcome data.
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Pipek, Volkmar, Dave Randall, and Volker Wulf. Epilogue. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198733249.003.0018.

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The various investigations in this book can be characterized as putting forward an argument for a nondeterministic relationship between investigation and design for social practices in which IT artifacts have an acknowledged relevance or a potential. The term “practice,” it is clear, provides a focus for careful analysis of the ways in which people orient to the use of technology over time, the way in which technology mediates behaviors, and the various constraints, technological and otherwise, under which people operate. Nevertheless, it has been argued throughout this book that very little purchase on “practice” is provided by naive recourse to sociological theorizing. To varying degrees, all the authors in this book recognize the need for concept development that specifically orients to the problem of design and development. This has never been more relevant, given the rapid technological changes evident almost everywhere we look....
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Horing, Norman J. Morgenstern. Retarded Green’s Functions. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198791942.003.0005.

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Chapter 5 introduces single-particle retarded Green’s functions, which provide the probability amplitude that a particle created at (x, t) is later annihilated at (x′,t′). Partial Green’s functions, which represent the time development of one (or a few) state(s) that may be understood as localized but are in interaction with a continuum of states, are discussed and applied to chemisorption. Introductions are also made to the Dyson integral equation, T-matrix and the Dirac delta-function potential, with the latter applied to random impurity scattering. The retarded Green’s function in the presence of random impurity scattering is exhibited in the Born and self-consistent Born approximations, with application to Ando’s semi-elliptic density of states for the 2D Landau-quantized electron-impurity system. Important retarded Green’s functions and their methods of derivation are discussed. These include Green’s functions for electrons in magnetic fields in both three dimensions and two dimensions, also a Hamilton equation-of-motion method for the determination of Green’s functions with application to a 2D saddle potential in a time-dependent electric field. Moreover, separable Hamiltonians and their product Green’s functions are discussed with application to a one-dimensional superlattice in axial electric and magnetic fields. Green’s function matching/joining techniques are introduced and applied to spatially varying mass (heterostructures) and non-local electrostatics (surface plasmons).
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Bilow, Marcel, Tillmann Klein, and Ulrich Knaack. DEFLATE-ABLES. 010 publishers, 2008. http://dx.doi.org/10.47982/bookrxiv.13.

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Pneumatic structures have been thoroughly investigated and developed during the 1960s. However, the energy crisis and aesthetic developments stopped the process of employing these structures as a mainstream construction method. Nowadays these structures are typically used in special areas of architecture and design. Imagine-Deflateables concentrates on the very limited knowledge of vacuum constructions and develops a range of aesthetic, technical and functional design possibilities. Until today, there has been a very limited number of designs developed and realized using pressurized constructions – despite the fact that this technology could lead to positive aspects: the air pressure of the earth can be used as a stabilizing and form-giving parameter, creating a specific and inspiring shape. In addition, the very nature of this technology offers varying degrees of thermal and acoustic insulation. There are of course weak points such as potential leakage and the need for high pressurization of the construction; but new material technologies and specific structural concepts will provide solutions to overcome these issues. Exploiting the possibilities of extremely light and, at the same time, energetically active constructions, deflateables are one of the promising fields of architectural and design developments. The chance to create structures that can move and react to requests such as user and climate requirements as well as formative demands, lifts this topic onto the level of a realistic and usable technology for as yet unknown design possibilities.
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Book chapters on the topic "Time-varying-potential"

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Liang, Xihui, Ming J. Zuo, and Yangming Guo. "Evaluating the Time-Varying Mesh Stiffness of a Planetary Gear Set Using the Potential Energy Method." In Lecture Notes in Mechanical Engineering, 365–74. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06966-1_33.

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Varga, Peter, Erik Grafarend, and Johannes Engels. "Relation of Different Type Love–Shida Numbers Determined with the Use of Time-Varying Incremental Gravitational Potential." In Pageoph Topical Volumes, 49–54. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-96277-1_5.

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Wolman, Harold, Howard Wial, Travis St Clair, and Edward Hill. "Summary and Policy Implications." In Coping with Adversity. Cornell University Press, 2017. http://dx.doi.org/10.7591/cornell/9780801451690.003.0008.

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The concluding chapter focuses on the role of public policy in promoting regional economic resilience. To better understand the potential role of various types of policy actions, we develop a temporal framework that divides policy implementation and policy effects into three different time frames, with policies varying both in the time it takes to put in place and in the time frame over which effects, if the policy is effective, can be expected. Different kinds of policy actions are likely to be most appropriate and most effective in the different time periods and in the face of different types of shocks. We conclude by considering the implications of our findings, put into this framework, for economic development policy makers and practitioners
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Kraaij-Dirkzwager, Magdalena M., Lianne G. C. Schol, Tjerk Jan Schuitmaker-Warnaar, Aura Timen, and Jim E. Van Steenbergen. "Stakeholder Involvement in Outbreak Management." In Research Anthology on Public Health Services, Policies, and Education, 742–63. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8960-1.ch035.

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Infectious diseases remain a threat to public health, requiring the coordinated action of many stakeholders. Little has been written about stakeholder participation and approaches to sharing information, in dynamic contexts and under time pressure as is the case for infectious disease outbreaks. Communicable-disease specialists fear that delays in implementing control measures may occur if stakeholders are not included in the outbreak-management process. Two case studies described in this article show how the needs of stakeholders may vary with time and that early sharing of information takes priority over shared decision-making. The stakeholders itemized their needs and potential contributions in order to arrive at the collective interest of outbreak management. For this, the results suggest the potential for improvement through development of “network governance” including the effective sharing of information in large networks with varying needs. Outbreaks in which conflicting perceptions may occur among the stakeholders require particular attention.
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"Accelerated Network Traversal Using Multi/Many-Cores." In Advances in Computer and Electrical Engineering, 59–86. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3799-1.ch003.

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New BSP platforms like TOTEM are following a similar approach to Big Data industry-proven frameworks but applied to exploit the potential of HPC heterogeneous nodes that combine multi-cores and GPUs. The performance of platforms under this new paradigm depends on minimizing the computation time of partitions by increasing the suitability of partitions to processors. However, there is a lack of studies on the suitability of parallel architectures for processing different families of graphs, including small-world and scale-free networks. In this chapter, the authors show how to characterize the performance of multi/many-cores when traversing synthetic networks of varying topology in order to reveal the suitability of multi-cores and GPUs for processing different families of graphs.
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"STEPPS in Correctional Settings." In Systems Training for Emotional Predictability and Problem Solving for Borderline Personality Disorder, edited by Nancee S. Blum and Donald W. Black, 89–99. Oxford University Press, 2016. http://dx.doi.org/10.1093/med:psych/9780199384426.003.0005.

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This chapter describes STEPPS in Iowa correctional systems and elsewhere, as well as the US federal prison system. The program was introduced to the Iowa correctional system in 2005; data show that it is effective in reducing symptoms specific to borderline personality disorder. In addition, STEPPS has been shown to boost mood, reduce disciplinary infractions, and reduce self-harm behaviors. The advantages over other BPD treatment programs in prison settings include the relatively short 20-week length of STEPPS, which is very important because offenders have varying sentence lengths and are transferred or released (or receive parole/probation status) without notice. The program is easily learned by therapists strapped for time, since corrections-based therapists have little time for extensive additional training and budgets are tight. The STEPPS manual can be used “as-is” in prisons and community corrections without extensive modifications. Last, the authors describe potential problems of implementing the program in prisons.
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Bruno Lodi, Matteo, and Alessandro Fanti. "Biomedical Applications of Biomaterials Functionalized with Magnetic Nanoparticles." In Smart Nanosystems for Biomedicine, Optoelectronics and Catalysis. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89199.

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The combination of magnetic nanoparticles and a biocompatible material leads to the manufacturing of a multifunctional and remotely controlled platform useful for diverse biomedical issues. If a static magnetic field is applied, a magnetic scaffold behaves like an attraction platform for magnetic carriers of growth factors, thus being a potential tool to enhance magnetic drug delivery in regenerative medicine. To translate in practice this potential application, a careful and critical description of the physics and the influence parameter is required. This chapter covers the mathematical modeling of the process and assesses the problem of establishing the influence of the drug delivery system on tissue regeneration. On the other hand, if a time-varying magnetic field is applied, the magnetic nanoparticles would dissipate heat, which can be exploited to perform local hyperthermia treatment on residual cancer cells in the bone tissue. To perform the treatment planning, it is necessary to account for the modeling of the intrinsic nonlinear nature of the heat dissipation dynamic in magnetic prosthetic implants. In this work, numeric experiments to investigate the physiopathological features of the biological system, linked to the properties of the nanocomposite magnetic material, to assess its effectiveness as therapeutic agents are presented.
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Kushwah, Deepika Singh, and Deepika Dubey. "Routing in Wireless Sensor Networks Using Soft Computing." In Advances in Computer and Electrical Engineering, 156–69. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-3531-7.ch008.

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Wireless sensor networks are the evolutionary self-organizing multi-node networks. Due to dynamic network conditions and stochastically varying network environments, routing in WSNs is critically affected and needs to be optimized. The routing strategies developed for WSNs must be efficient to make it an operationally self-configurable network. For this we need to resort to near shortest path evaluation. Therefore, some soft computing approaches that can calculate the near shortest path available in an affordable computing time are required. WSNs have a high computational environment with limited and precise transmission range, processing, and limited energy sources. The sever power constraints strongly affect the existence of active nodes and hence the network lifetime. So, here, the authors use the power of soft computing because the potential features of soft-computing (SC) approach highly address their adaptability and compatibility to overwhelm the complex challenges in WSNs.
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Pettit, Stacie, Laura Rychly, Milisa Ziegler, and Katie Walker. "Making Middle Schools Destinations of Choice for Young Adolescents." In Advances in Early Childhood and K-12 Education, 181–99. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7057-9.ch010.

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In this chapter, middle schools are presented metaphorically as layover airports, and the need to see middle schools as more like destinations is explored. How can positive learning experiences in middle schools be created given the short time frame and the transitional nature inherent in even the most effective middle schools? The metaphor of a layover airport that students often enter middle school expecting is juxtaposed to illustrating the characteristics of and potential for middle schools in the United States as destinations. This is done using exemplar experiences and middle schools from vastly different locations with varying characteristics and needs, yet all providing positive experiences for young adolescents. This comparison will be made based on what is known about the developmental nature and needs of young adolescents served in middle schools and also on recommendations for effective middle schools made by the Association for Middle Level Education.
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Jacquet, Catherine O. "The Challenges of Antirape Activism in the 1970s." In The Injustices of Rape, 133–59. University of North Carolina Press, 2019. http://dx.doi.org/10.5149/northcarolina/9781469653860.003.0006.

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This chapter examines the conflicts and constraints posed by varying antirape discourses and approaches to antirape activism in the 1970s. At this time, activists in the women’s liberation and black freedom movements confronted one another’s politics on rape, sometimes unable to find common ground. The competing beliefs and approaches that activists brought to their antirape work heightened the potential for discord between movements. This was particularly exacerbated by the increasing role of the state in antirape work. By the mid-1970s, state actors and agencies played a dominating role in antirape work, leaving many feminists deeply concerned about the direction of the movement. State co-optation of key feminist interventions, such as rape crisis centers, resulted in a movement that was largely reformist. Feminists saw their once radical vision of social revolution overshadowed by increasing state efforts for reform-based solutions to the problem of sexual violence.
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Conference papers on the topic "Time-varying-potential"

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Borowski, Holly, and Jason R. Marden. "Fast convergence for time-varying semi-anonymous potential games." In 2014 American Control Conference - ACC 2014. IEEE, 2014. http://dx.doi.org/10.1109/acc.2014.6859210.

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Arefizadeh, Sina, and Ceyhun Eksin. "Distributed Fictitious Play in Potential Games with Time Varying Communication Networks." In 2019 53rd Asilomar Conference on Signals, Systems, and Computers. IEEE, 2019. http://dx.doi.org/10.1109/ieeeconf44664.2019.9048896.

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Fabian, Zalan, and Se Young Yoon. "Coordination of balanced leader-follower swarms with time-varying social potential functions." In 2017 IEEE 56th Annual Conference on Decision and Control (CDC). IEEE, 2017. http://dx.doi.org/10.1109/cdc.2017.8263790.

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Ktonas, P. Y., S. Golemati, P. Xanthopoulos, V. Sakkalis, M. D. Ortigueira, H. Tsekou, M. Zervakis, T. Paparrigopoulos, and C. R. Soldatos. "Potential dementia biomarkers based on the time-varying microstructure of sleep EEG spindles." In 2007 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2007. http://dx.doi.org/10.1109/iembs.2007.4352827.

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Niknam, Kaiser, Amir Akbarian, Behrad Noudoost, and Neda Nategh. "CHARACTERIZING UNOBSERVED FACTORS DRIVING LOCAL FIELD POTENTIAL DYNAMICS UNDERLYING A TIME-VARYING SPIKE GENERATION." In 2018 IEEE Global Conference on Signal and Information Processing (GlobalSIP). IEEE, 2018. http://dx.doi.org/10.1109/globalsip.2018.8646420.

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Kelly, Scott David, and Joris Vankerschaver. "Hamiltonian mechanics and nonlinear dynamics of a body subject to time-varying gyroscopic and potential forces." In 2012 IEEE 51st Annual Conference on Decision and Control (CDC). IEEE, 2012. http://dx.doi.org/10.1109/cdc.2012.6426114.

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Bertrand, Fischer, Bohorquez, Bouchet, and Pernier. "Specific Time-varying Digital Filtering Techniques For Intra-operative Monitoring Of Middle-latency And Brainstem Auditory Evoked Potential." In Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.592759.

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Bohorquez, Jorge, Olivier Bertrand, Catherine Fischex, Patrick Bouchet, and Jacques Pernier. "Specific time-varying digital filtering techniques for intra-operative monitoring of middle-latency and brainstem auditory evoked potential." In 1992 14th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 1992. http://dx.doi.org/10.1109/iembs.1992.5761544.

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Sinha, Alok. "A New Approach to Solution of Time-Independent One-Dimensional Schrödinger Wave Equation." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22468.

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Abstract A new approach has been developed in this paper to solve time-independent Schrödinger wave equation for any arbitrary potential and space varying mass as well. The method is based on the state transition matrix used in the analysis of linear time-varying systems, and can determine both bound states and reflection and transmission coefficients associated with scattering problems. Numerical examples for the computation of eigenvalues and eigenmodes associated with bound states are presented for quadratic potential, quartic potential, constant potential well and arbitrary potential well with both constant and space-varying or position-dependent masses. Similarly, transmission coefficients for scattering problems without any infinite potential, and time delays for scattering problems with an infinite potential are computed for arbitrary potential wells.
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Tharayil, Marina, and Andrew Alleyne. "Optimal Time-Varying ILC Design to Monotonically Minimize Converged Error." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79186.

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This paper presents a design method for Iterative Learning Control (ILC) algorithms using time-varying Q-filters. The design of an optimal bandwidth profile for a given plant model is formulated as a constrained minimization problem. The resultant time-varying ILC algorithm generates the lowest converged error norm possible while guaranteeing monotonic convergence. The time-varying ILC background, problem setup to optimize the time-varying Q-filter bandwidth, as well as results obtained using computational methods are presented. A simulation example is used to demonstrate the potential benefits of the algorithm in comparison with LTI ILC. Lastly, experimental validation is provided by application of the ILC algorithm developed here on a Microscale Robotic Deposition system for precision motion control.
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Reports on the topic "Time-varying-potential"

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Wright, Kirsten. Collecting Plant Phenology Data In Imperiled Oregon White Oak Ecosystems: Analysis and Recommendations for Metro. Portland State University, March 2020. http://dx.doi.org/10.15760/mem.64.

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Highly imperiled Oregon white oak ecosystems are a regional conservation priority of numerous organizations, including Oregon Metro, a regional government serving over one million people in the Portland area. Previously dominant systems in the Pacific Northwest, upland prairie and oak woodlands are now experiencing significant threat, with only 2% remaining in the Willamette Valley in small fragments (Hulse et al. 2002). These fragments are of high conservation value because of the rich biodiversity they support, including rare and endemic species, such as Delphinium leucophaeum (Oregon Department of Agriculture, 2020). Since 2010, Metro scientists and volunteers have collected phenology data on approximately 140 species of forbs and graminoids in regional oak prairie and woodlands. Phenology is the study of life-stage events in plants and animals, such as budbreak and senescence in flowering plants, and widely acknowledged as a sensitive indicator of environmental change (Parmesan 2007). Indeed, shifts in plant phenology have been observed over the last few decades as a result of climate change (Parmesan 2006). In oak systems, these changes have profound implications for plant community composition and diversity, as well as trophic interactions and general ecosystem function (Willis 2008). While the original intent of Metro’s phenology data-collection was to track long-term phenology trends, limitations in data collection methods have made such analysis difficult. Rather, these data are currently used to inform seasonal management decisions on Metro properties, such as when to collect seed for propagation and when to spray herbicide to control invasive species. Metro is now interested in fine-tuning their data-collection methods to better capture long-term phenology trends to guide future conservation strategies. Addressing the regional and global conservation issues of our time will require unprecedented collaboration. Phenology data collected on Metro properties is not only an important asset for Metro’s conservation plan, but holds potential to support broader research on a larger scale. As a leader in urban conservation, Metro is poised to make a meaningful scientific contribution by sharing phenology data with regional and national organizations. Data-sharing will benefit the common goal of conservation and create avenues for collaboration with other scientists and conservation practitioners (Rosemartin 2013). In order to support Metro’s ongoing conservation efforts in Oregon white oak systems, I have implemented a three-part master’s project. Part one of the project examines Metro’s previously collected phenology data, providing descriptive statistics and assessing the strengths and weaknesses of the methods by which the data were collected. Part two makes recommendations for improving future phenology data-collection methods, and includes recommendations for datasharing with regional and national organizations. Part three is a collection of scientific vouchers documenting key plant species in varying phases of phenology for Metro’s teaching herbarium. The purpose of these vouchers is to provide a visual tool for Metro staff and volunteers who rely on plant identification to carry out aspects of their job in plant conservation. Each component of this project addresses specific aspects of Metro’s conservation program, from day-to-day management concerns to long-term scientific inquiry.
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