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Relevant bibliographies by topics / Disturbance factor

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Academic literature on the topic 'Disturbance factor'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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Journal articles on the topic "Disturbance factor"

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Liu, Xiaolong, Zhengtao Shi, Guangcai Huang, Yanchen Bo, and Guangjie Chen. "Time Series Remote Sensing Data-Based Identification of the Dominant Factor for Inland Lake Surface Area Change: Anthropogenic Activities or Natural Events?" Remote Sensing 12, no. 4 (2020): 612. http://dx.doi.org/10.3390/rs12040612.

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Inland lake variations are considered sensitive indicators of global climate change. However, human activity is playing as a more and more important role in inland lake area variations. Therefore, it is critical to identify whether anthropogenic activity or natural events is the dominant factor in inland lake surface area change. In this study, we proposed a method that combines the Douglas-Peucker simplification algorithm and the bend simplification algorithm to locate major lake surface area disturbances. These disturbances were used to extract the features that been used to classify disturb

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Konôpka, Bohdan, Peter Zach, and Ján Kulfan. "Wind – an important ecological factor and destructive agent in forests." Forestry Journal 62, no. 2 (2016): 123–30. http://dx.doi.org/10.1515/forj-2016-0013.

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AbstractWind is both an ecological provider and disturbance facilitator influences trees and other organisms in forests. Impacts of wind on induvidual trees and forests mainly depend on the strength (or intensity) of the wind and the stability of the trees. Wind causes large-scale damage to forests and serious economical losses for the forestry sector within Europe. Therefore, knowledge of interactions between wind and trees and/or forests provides the baseline for developing adequate prevention or mitigation of the negative consequences associated with wind disturbances in forest ecosystems.

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Wang, Guohui, Yanan Yang, and Shuxin Wang. "Adaptive Digital Disturbance Rejection Controller Design for Underwater Thermal Vehicles." Journal of Marine Science and Engineering 9, no. 4 (2021): 406. http://dx.doi.org/10.3390/jmse9040406.

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Underwater thermal vehicles, as ocean observation tools, are frequently affected by environment disturbances such as waves and currents, which may cause degradation of the observation accuracy of the vehicles. Consequently, it is important to design a controller for a vehicle that can resist ocean disturbance. In this study, an underwater thermal vehicle principle is introduced, and the mathematical model is established in the vertical plane motion. On this basis, an adaptive digital disturbance suppression control method is proposed. For known disturbance parameters, this controller could com

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Goh, Hui Hwang, Ling Liao, Dongdong Zhang, et al. "Denoising Transient Power Quality Disturbances Using an Improved Adaptive Wavelet Threshold Method Based on Energy Optimization." Energies 15, no. 9 (2022): 3081. http://dx.doi.org/10.3390/en15093081.

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Noise significantly reduces the detection accuracy of transient power quality disturbances. It is critical to denoise the disturbance. The purpose of this research is to present an improved wavelet threshold denoising method and an adaptive parameter selection strategy based on energy optimization to address the issue of unclear parameter values in existing improved wavelet threshold methods. To begin, we introduce the peak-to-sum ratio and combine it with an adaptive correction factor to modify the general threshold. After calculating the energy of each layer of wavelet coefficient, the scale

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Nikoofard, Amirhossein, Tor Arne Johansen, Hessam Mahdianfar, and Alexey Pavlov. "Design and Comparison of Constrained MPC With PID Controller for Heave Disturbance Attenuation in Offshore Managed Pressure Drilling Systems." Marine Technology Society Journal 48, no. 2 (2014): 90–103. http://dx.doi.org/10.4031/mtsj.48.2.4.

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AbstractThis paper presents a constrained finite horizon model predictive control (MPC) scheme for regulation of the annular pressure in a well during managed pressure drilling from a floating vessel subject to heave motion. In addition to the robustness of a controller, how to deal with heave disturbances despite uncertainties in the friction factor and bulk modulus is investigated. The stochastic model describing sea waves in the North Sea is used to simulate the heave disturbances. The results show that the closed-loop simulation without disturbance has a fast regulation response, without a

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Xavier, Eduardo de Almeida, Bernardo Antonio Perez da Gama, Tiago Filgueiras Porto, Bruno Lopes Antunes, and Renato Crespo Pereira. "Effects of disturbance area on fouling communities from a tropical environment: Guanabara Bay, Rio de Janeiro, Brazil." Brazilian Journal of Oceanography 56, no. 2 (2008): 73–84. http://dx.doi.org/10.1590/s1679-87592008000200001.

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In marine fouling communities, free space is one of the key limiting resources for settlement of new organisms. In this way, removing biomass through physical disturbances would play an important role in the structure and dynamics of these communities. The disturbance size seems to be a characteristic that influences recolonization patterns, thus affecting species diversity. The aim of this study was to analyze the effects of growing disturbance areas on fouling communities. Fouling panels were allowed to develop for 6 mo. at Guanabara Bay (22°52'S, 043°08'W) prior to a single application of r

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Tan, Joseph S., Annahir N. Cariello, Mickeal Pugh, et al. "Social determinants of sleep disturbance in safety-net primary care: unmet needs, classist discrimination, and anxiety." Family Practice 37, no. 2 (2019): 263–68. http://dx.doi.org/10.1093/fampra/cmz073.

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Abstract Background The 3P model proposes that predisposing, precipitating, and perpetuating factors all play a role in sleep disturbance. Objective The purpose of the current study is to investigate social determinants of sleep disturbance by applying the 3P model to a safety-net primary care setting, specifically by evaluating the role of classism and unmet needs as precipitating factors for sleep disturbance, and anxiety as a perpetuating factor for sleep disturbance. Methods Participants (N = 210) were a convenience sample of racially/ethnically diverse adults over the age of 18 (age M = 4

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Patel, Bhavini. "Investigating Sleep Disturbances in Mild Cognitive Impairment—Implications for Alzheimer’s and Parkinson’s Diseases: A Research Protocol." Undergraduate Research in Natural and Clinical Science and Technology (URNCST) Journal 9, no. 3 (2025): 1–7. https://doi.org/10.26685/urncst.777.

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Introduction: Sleep disturbances are recognized as both an early symptom and contributor to neurodegenerative diseases, including Alzheimer’s and Parkinson’s disease. Disrupted sleep impairs the brain's ability to clear toxic proteins, leading to cognitive decline and the accumulation of biomarkers such as amyloid-beta and alpha-synuclein. Despite evidence linking poor sleep to neurodegeneration, the impact of varying sleep disturbance severities on disease progression in mild cognitive impairment remains unclear. Methods: A longitudinal cohort of 300 participants aged 60 and older, diagnosed

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VAN OIJEN, TIM P., J. G. DANIËL KARSSEN, and MARTIJN WISSE. "THE EFFECT OF CENTER OF MASS OFFSET ON THE DISTURBANCE REJECTION OF RUNNING ROBOTS." International Journal of Humanoid Robotics 10, no. 02 (2013): 1350004. http://dx.doi.org/10.1142/s0219843613500047.

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Running robots often have their center-of-mass (CoM) of the torso located on the hip, to allow for simple control schemes. However, an offset between the CoM and the hip might increase a robot's ability to recover from disturbances. In this simulation study, we investigated the effect of the CoM-location on the largest disturbance that can be corrected within one or two steps. We found that, for one-step recovery strategies, the optimal CoM-location is above the hip for a step-down disturbance and below the hip for a push disturbance. For two-step recovery strategies, we found that the perform

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Knüppel, Konja, and Iwan Nikitin. "Target-Based Evaluation of Disturbances in Production Systems." Advanced Materials Research 1018 (September 2014): 589–96. http://dx.doi.org/10.4028/www.scientific.net/amr.1018.589.

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Ever-increasing networking and complexity make production processes more susceptible to disturbances. Being able to handle disturbances quickly and effectively is an evolving factor of a company's competitiveness. The research project "Nachhaltiges Störgrößenmanagement in produzierenden KMU" (Sustainable disturbance management in producing SMEs), conducted at the Institute for Production Systems and Logistics (IFA), is developing a methodology aimed at helping users identify and initiate actions against production disturbances. One research focus was on developing a causal factor chart of th

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Dissertations / Theses on the topic "Disturbance factor"

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Slaviero, Diana L. "An exploration of feminist ideology as a protective factor for body image disturbance /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1212794811&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Glickman, Mark. "Disturbance monitoring in distributed power systems." Thesis, Queensland University of Technology, 2007. https://eprints.qut.edu.au/16497/1/Mark_Glickman_Thesis.pdf.

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Power system generators are interconnected in a distributed network to allow sharing of power. If one of the generators cannot meet the power demand, spare power is diverted from neighbouring generators. However, this approach also allows for propagation of electric disturbances. An oscillation arising from a disturbance at a given generator site will affect the normal operation of neighbouring generators and might cause them to fail. Hours of production time will be lost in the time it takes to restart the power plant. If the disturbance is detected early, appropriate control measures can be

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Glickman, Mark. "Disturbance monitoring in distributed power systems." Queensland University of Technology, 2007. http://eprints.qut.edu.au/16497/.

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Power system generators are interconnected in a distributed network to allow sharing of power. If one of the generators cannot meet the power demand, spare power is diverted from neighbouring generators. However, this approach also allows for propagation of electric disturbances. An oscillation arising from a disturbance at a given generator site will affect the normal operation of neighbouring generators and might cause them to fail. Hours of production time will be lost in the time it takes to restart the power plant. If the disturbance is detected early, appropriate control measures can be

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Shockley, Mary Ann. "The maternal perinatal scale as a predictor of future emotional disturbance and its relationship with the factor structure within the child behavior checklist." Virtual Press, 1993. http://liblink.bsu.edu/uhtbin/catkey/897478.

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The present study investigated the use of the Maternal Perinatal Scale (MPS) as an instrument for predicting group membership among normal versus emotionally handicapped children. An examination of neurological symptoms as they relate to specific behavioral factors within the Child Behavior Checklist (CBCL) was conducted, as well as an investigation of the relationship between factors within the MPS as predictors of specific behaviors within the CBCL. Subjects included 119 EH students and 211 normal subjects with a mean age of 10 years, 3 months. Samples were collected from a suburban midweste

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Chu, Carol, Melanie A. Hom, Megan L. Rogers, et al. "Insomnia and Suicide-Related Behaviors: A Multi-Study Investigation of Thwarted Belongingness as a Distinct Explanatory Factor." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/853.

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Background: Insomnia is a robust correlate of suicidal ideation and behavior. Preliminary research has identified thwarted belongingness (c.f. social disconnection) as an explanatory link between insomnia and suicidal ideation. Objectives: This study replicates and extends previous findings using both cross-sectional and longitudinal designs in four demographically diverse samples. Additionally, the specificity of thwarted belongingness was evaluated by testing anxiety as a rival mediator. Method: Self-report measures of insomnia symptoms, thwarted belongingness, suicidal ideation and behavior

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Poggioli, Michael. "Trait Mindfulness: A Protective Factor for Bone Marrow Transplant Recipients?" Xavier University Psychology / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=xavier1586994569736228.

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Li, An-Jui. "Two and three dimensional stability analyses for soil and rock slopes." University of Western Australia. School of Civil and Resource Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2010.0016.

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Slope stability assessments are classical problems for geotechnical engineers. The predictions of slope stability in soil or rock masses play an important role when designing for dams, roads, tunnels, excavations, open pit mines and other engineering structures. Stability charts continue to be used by engineers as preliminary design tools and by educators for training purposes. However, the majority of the existing chart solutions assume the slope problem is semi-infinite (plane-strain) in length. It is commonly believed that this assumption is conservative for design, but non-conservative whe

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Alolayan, Albraa Badr A. "Risk factors of neurosensory disturbance following bimaxillary orthognathic surgery." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50639511.

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Objectives: To report the incidence of objective and subjective neurosensory disturbance (NSD) after orthognathic surgery in a major orthognathic centre in Hong Kong, and to investigate the risk factors that contributed to the incidence of NSD after orthognathic surgery. Materials and Methods: A retrospective cross-sectional study on NSD after orthognathic surgery in a local major orthognathic centre. Patients who had bimaxillary orthognathic surgery reviewed at post-operative 6 months, 12 months or 24 months were recruited to undergo a neurosensory test with subjective and 3 objective asses

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Poon, Lai-ping, and 潘麗萍. "Sleep disturbance among community living elderly persons in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B44253709.

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Bernert, Rebecca A. "Objectively-assessed sleep disturbances as a unique suicide risk factor." Tallahassee, Florida : Florida State University, 2009. http://etd.lib.fsu.edu/theses/available/etd-10302009-203942/.

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Thesis (Ph. D.)--Florida State University, 2009.<br>Advisor: Thomas Joiner, Florida State University, College of Arts and Sciences, Dept. of Psychology. Title and description from dissertation home page (viewed on May 25, 2010). Document formatted into pages; contains vii, 34 pages. Includes bibliographical references.

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Books on the topic "Disturbance factor"

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Bennett, Derrick A. Psychosocial factors and their relationship to eating disturbance. UMIST, 1998.

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C, Brown Eric, Greenbaum Paul E, and Educational Resources Information Center (U.S.), eds. Pregnancy in adolescent females with serious emotional disturbance: Risk factors and outcomes. U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center, 1999.

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Alfaro, René I. Historical frequency, intensity and extent of mountain pine beetle disturbance in British Columbia. Pacific Forestry Centre, 2010.

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1961-, Gauthier Sylvie, Gray David Richard, Li C, and Laurentian Forestry Centre, eds. Effects of climate change on major forest disturbances (fire, insects) and their impact on biomass production in Canada: Synthesis of the current state of knowledge. Laurentian Forestry Centre, 2004.

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R, Trimble Michael, ed. Women and epilepsy. Wiley, 1991.

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Szewczyk, Janusz. Rola zaburzeń w kształtowaniu struktury i dynamiki naturalnych lasów bukowo-jodłowo-świerkowych w Karpatach Zachodnich. Publishing House of the University of Agriculture in Krakow, 2018. http://dx.doi.org/10.15576/978-83-66602-35-9.

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The aim of the study was to determine the influence of different disturbances (both natural and anthropogenic) on species composition and stand structure of old-growth mixed mountain forests in the Western Carpathians. These stands are usually dominated by beech, fir and spruce, mixed in different proportions. The tree main species represent different growth strategies, and they compete against each other. The longevity of trees makes the factors influencing the stand structure difficult to identify, even during longitudinal studies conducted on permanent research plots. That is why dendroecol

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Wilsey, Brian J. Factors Maintaining and Regulating Grassland Structure and Function. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198744511.003.0003.

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Intrinsic disturbances are processes that have occurred on an evolutionary time scale, and include fire, wind-damage, digging or burrowing by fossorial mammals, defoliation, and trampling by native large mammals. Grassland species evolved with intrinsic disturbances, and they can be important in maintaining grassland community structure and functioning. Adaptations to fire include short herbaceous stature, high allocation belowground, ability to resprout, and smoke-induced seed germination. Fire interacts with grazing because grazing reduces litter (fuel) load, and fires affect forage quality.

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Gruber, June, ed. The Oxford Handbook of Positive Emotion and Psychopathology. Oxford University Press, 2019. http://dx.doi.org/10.1093/oxfordhb/9780190653200.001.0001.

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This book provides an overview of key processes relevant to disturbances in positive valence systems; discusses cutting-edge advances on positive emotion disturbance in key clinical disorders, translational applications, and targeted treatment foci; discusses conceptualizations of psychopathology and models of positive emotion disturbances; and suggests future research to better understand the nature of positive emotion. The book covers cutting-edge scientific work and theoretical perspectives from a renowned group of psychologists. Their expertise spans a diverse array of methodological and t

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Roth, Martin, and Russell Noyes. Classification, Etiological Factors and Associated Disturbances. Elsevier Science Publishing Company, 1989.

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O’Neal, M. Angela. Postpartum Visual Disturbance. Edited by Angela O’Neal. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190609917.003.0017.

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Preeclampsia (PE) is a multi-organ system disorder defined as hypertension with blood pressures greater than 140/90 on two occasions and proteinuria of more than 300 mg/24 hours. Eclampsia is defined as when seizures occur in a woman with preeclampsia. The pathophysiology of preeclampsia/eclampsia is felt to be related to incomplete penetration of the cytotrophoblasts of the placenta into the myometrium, leading to local ischemia, propagation of ischemic factors causing hypertension, resulting in endothelial dysfunction. The clinical features are related to which end organ is involved: in the

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Book chapters on the topic "Disturbance factor"

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O’Neill, G. T., and R. J. Akhurst. "Growth Factor Disturbance." In Drug Toxicity in Embryonic Development I. Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/978-3-642-60445-4_11.

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Nassauer, Joan Iverson, and Richard Westmacott. "Progressiveness Among Farmers as a Factor in Heterogeneity of Farmed Landscapes." In Landscape Heterogeneity and Disturbance. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4742-5_11.

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Tong, Shenghao, Long Zhao, Huaitao Shi, Zhiqiang Duo, and Cai He. "Multi-mode Sliding Mode Control of Four-Cable Parallel Robot Based on Wind Disturbance Observation." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-1876-4_46.

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AbstractAiming at the problem of accurate trajectory tracking of four-cable parallel robot under wind disturbance in the process of material handling in buildings, a multi-mode sliding mode control (MSMC) method based on wind disturbance observer is proposed. Firstly, the wind field model is established, and the comprehensive wind speed model is introduced into the accurate dynamic model as a wind disturbance factor. Secondly, the wind disturbance observer is introduced to estimate the total disturbance of wind disturbance error in real time, which effectively reduces the switching gain, thus effectively reducing the vibration and improving the control accuracy of the system. Combined with the dynamic performance of multimode sliding mode controller, it can be switched at will to reduce chattering. Compared with the traditional sliding mode control method SMC, the anti-interference ability of MSMC is verified. The results show that the designed multimode sliding mode controller can effectively suppress the influence of wind disturbance on the vibration of the end effector.

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Bachmann, F., and R. Medcalf. "Disturbance of the Hemostasis and Fibrinolysis Balance by Tumor Necrosis Factor." In Molecular Aspects of Inflammation. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76412-7_13.

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Lindøe, Preben H. "The Tripartite System: A Key in Polycentric Risk Governance: Lessons from Norwegian Offshore Industry." In The Regulator–Regulatee Relationship in High-Hazard Industry Sectors. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-49570-0_5.

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AbstractThis chapter presents the Norwegian tripartite system within a polycentric perspective. Developing multiple arenas among the parties has been a crucial factor in developing a mechanism for learning and adaptation within the regulatory regime. In the face of internal disturbance, new technology, and changes in the socio-economic environment, the regime has developed its capacity to enrol new actors and redefine their roles and behaviour.

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Zheng, Zhonghai, Shaohong Lin, Zhibin Wei, Youyi Zheng, and Qian Liu. "Research on the Determination Technology of Power Grid Based on Multi-Factor Disturbance." In Advances in Intelligent Systems Research. Atlantis Press International BV, 2025. https://doi.org/10.2991/978-94-6463-742-7_2.

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Sun, Ke-cheng, Qing-hua Zeng, Jian-ye Liu, and Ya-jing Zhou. "Multi-Source Navigation Data Fusion Based on Factor Graph for Unmanned Helicopter Under Atmospheric Disturbance." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8155-7_184.

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Keddy, Paul A. "Natural Disturbance." In Causal Factors for Wetland Management and Restoration: A Concise Guide. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21788-3_6.

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Luyster, Faith S. "Sleep Disturbance in Rheumatic Disease." In Psychosocial Factors in Arthritis. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22858-7_9.

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Schultheiss, H. P. "Dysfunction of the ADP/ATP carrier as a causative factor for the disturbance of the myocardial energy metabolism in dilated cardiomyopathy." In Cellular and Molecular Alterations in the Failing Human Heart. Steinkopff, 1992. http://dx.doi.org/10.1007/978-3-642-72474-9_27.

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Conference papers on the topic "Disturbance factor"

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Orlando, Danilo, Giuseppe Ricci, and Louis L. Scharf. "Adaptive Factor Analysis for Direction Finding in Colored Disturbance." In 2024 IEEE 13th Sensor Array and Multichannel Signal Processing Workshop (SAM). IEEE, 2024. http://dx.doi.org/10.1109/sam60225.2024.10636610.

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Hu, Wan Tao, Fu Xin Wang, Hai Yang Wan, et al. "Disturbance Factor Measurement and Whole Process Control Technology for Grid Infrastructure Project Investment Balance." In 2024 IEEE 8th Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2024. https://doi.org/10.1109/ei264398.2024.10991695.

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Berrios, Marcos, Ondrej Juhasz, Tom Berger, Mark Tischler, and Frank Sanders. "Hover Flight Control Design for UAS Using Performance-based Disturbance Rejection Requirements." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12202.

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A key class of UAS are VTOL vehicles, which afford the ability to hover and maneuver in tight spaces; often in windy and turbulent conditions. This paper presents the development and flight testing of optimized control laws for the 3DR IRIS+ quadrotor designed to aggressively hold its position in a hover while subjected to wind gusts and turbulence. Performance-based disturbance rejection requirements, such as attitude/position tracking error in turbulence and maximum position displacement for a 1-cosine gust, are directly incorporated into the flight control design and optimization process. A

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Schafer, Sylvie, Jared Cooper, and Joseph Horn. "Flight Test Measurement of Ship Airwake Disturbances using Small-Scale Rotorcraft." In Vertical Flight Society 71st Annual Forum & Technology Display. The Vertical Flight Society, 2015. http://dx.doi.org/10.4050/f-0071-2015-10282.

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This effort seeks to develop a methodology to identify airwake gust disturbances through flight testing, where identified gust data can be used to validate coupled ship airwake and rotor wake disturbance models used in Virtual Dynamic Interface (VDI) simulations. The gust identification algorithm uses an identified linear model of the aircraft to separate effects of airwake disturbances from responses due to control inputs and to estimate gust velocities. The algorithm only requires standard sensors that are likely to be available on production rotorcraft, i.e. an INS/GPS and measurement of co

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Beryozkina, Svetlana, Bohirjon Sharifov, Murodbek Safaraliev, Anvari Ghulomzoda, and Mukhammadjon Odinabekov. "INVESTIGATION OF THE TRANSITION PROCESS OF PARALLEL OPERATION OF A SOLAR POWER PLANT AND THE GRID UNDER EMERGENCY DISTURBANCE." In 24th SGEM International Multidisciplinary Scientific GeoConference 24. STEF92 Technology, 2024. https://doi.org/10.5593/sgem2024/4.1/s17.17.

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Solar energy, as one of the types of green energy, is widely studied by researchers from different regions of the world. Practice shows that the generation of clean energy at solar power plants (SPP) is not always constant, and depends on some external factors, for instance, weather conditions, emergency disturbances, etc. Parallel operation of the solar power plant and the grid eliminates some problems, in particular, fluctuations in the frequency of current due to a shortage/excess of electricity, as well as the use of batteries. Therefore, an infinite power grid is a large accumulator that

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Zhang, Qiang, Wen-Feng Li, and Xiao-Hang Qi. "Port AGV Hierarchical Formation Control Considering High-Frequency Disturbance Factors." In 2024 IEEE International Conference on Systems, Man, and Cybernetics (SMC). IEEE, 2024. https://doi.org/10.1109/smc54092.2024.10831825.

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Schmitt, G., and T. Gudde. "Local Mass Transport Coefficients and Local Wall Shear Stresses at Flow Disturbances." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95102.

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Abstract Electrochemical measurements were performed with micro and ultramicro electrode arrays to evaluate local mass transfer rates with high lateral resolution in order to explain extreme corrosion rates during flow induced localized corrosion at leading edges of small flow disturbances. It was found that the mass transport coefficient close to the leading edge of a rectangular cavity in the wall of a rectangular flow channel is higher by a factor of 4 - 7 than at the plain channel wall. A parabolic correlation was found between wall shear stress and mass transfer rate at the plain channel

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Bo Ren, Longfei Shi, and Guoyu Wang. "Degree-of-polarization model incorporating an environmental disturbance factor." In 2016 10th European Conference on Antennas and Propagation (EuCAP). IEEE, 2016. http://dx.doi.org/10.1109/eucap.2016.7481548.

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Hao, Congwang, Lei Chen, and Yunpeng Ma. "Modified Butterfly Optimization Algorithm based on Convergence Factor and Disturbance Strategy." In ICNCC 2022: 2022 The 11th International Conference on Networks, Communication and Computing. ACM, 2022. http://dx.doi.org/10.1145/3579895.3579931.

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Ma, T., B. Cami, S. Javankhoshdel, T. Yacoub, B. Corkum, and J. Curran. "Effect of Disturbance Factor Distribution Function on Stability of an Open Pit Mine." In 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-2221.

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ABSTRACT: The disturbance factor (D) is a parameter in the Generalized Hoek-Brown failure criterion for rock slopes in slope stability. It represents the subsurface damage to the rock material properties resulting from blasting and stress relaxation during excavations. Within the region of assumed damage, a number between zero (undisturbed) and unity (very disturbed) is prescribed as the value of the disturbance factor. Most commonly a uniform value of D is assumed within the entire region of damage, but little research has been done to study the impact of the variation in the D parameter on s

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Reports on the topic "Disturbance factor"

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Karadi, Peter, Anton Nakov, Galo Nuño, Ernesto Pastén, and Dominik Thaler. Strike while the Iron is Hot: Optimal Monetary Policy with a Nonlinear Phillips Curve. Banco de España, 2025. https://doi.org/10.53479/38958.

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We study the Ramsey optimal monetary policy within the Golosov and Lucas (2007) state-dependent pricing framework. The model provides micro-foundations for a nonlinear Phillips curve: the sensitivity of inflation to activity increases after large shocks due to an endogenous rise in the frequency of price changes, as observed during the recent inflation surge. In response to large cost-push shocks, optimal policy leverages the lower sacrifice ratio to reduce inflation and stabilize the frequency of price adjustments. When facing total factor productivity shocks, an efficient disturbance, the op

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Katzenberger, John, and Susan Joy Hassol. Elements of Change Series: Changes in Global Vegetative Patterns and Their Relationship to Human Activity. Aspen Global Change Institute, 1996. http://dx.doi.org/10.69925/ozea8605.

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Since the onset of satellites, particularly Landsat in 1972, the ability to map vegetative cover type and changes in its aerial extent has led to a fundamentally new way of understanding the Earth and rates of change to its surface. This Elements of Change report explores the technical aspects of remote sensing and analysis of data along with a variety of ground truthing techniques. Furthermore, it uncovers the types of change in vegetative cover brought about by human activity. This report provides case studies from several continents and presents related issues such as the edge effect as a d

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Leis, Sherry. Plant community trends at Tallgrass Prairie National Preserve: 2002–2023. National Park Service, 2025. https://doi.org/10.36967/2309785.

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The Heartland Inventory and Monitoring Network has monitored vegetation at Tallgrass Prairie National Preserve for more than 20 years. Monitoring assists the preserve in managing the nearly 10,000-acre (4,047 ha) site by providing status and trends of vegetation and disturbance metrics. The site protects critical remnant tallgrass prairie as well as the ranching legacy of the Flint Hills region. Monitoring was conducted in 30 permanent sites across the western preserve. We assessed current and future climate trends, fire and grazing rates, and vegetation metrics, including ground cover, guild,

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Birdsey, Richard A., Alexa J. Dugan, Sean P. Healey, et al. Assessment of the influence of disturbance, management activities, and environmental factors on carbon stocks of U.S. national forests. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2019. http://dx.doi.org/10.2737/rmrs-gtr-402.

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Birdsey, Richard A., Alexa J. Dugan, Sean P. Healey, et al. Assessment of the influence of disturbance, management activities, and environmental factors on carbon stocks of U.S. national forests. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2019. http://dx.doi.org/10.2737/rmrs-gtr-402.

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Shahverdian, Scott, Derek Schook, Derek Schook, and Scott Shahverdian. Riverscape interpretation in Great Basin National Park: A geomorphic assessment of streams and riparian areas. National Park Service, 2025. https://doi.org/10.36967/2307540.

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Streams can be challenging systems to manage due to their dynamic nature and complex feedbacks between hydrologic, geomorphic, and biological processes that operate over a range of timescales. Stream-riparian ecosystems, also known as riverscapes or river corridors, are affected by events ranging from single storms to large-scale landscape disturbances such as wildfires and landslides. Understanding riverscape dynamics is necessary for identifying potential causes of their degradation, appropriate management actions, and potential restoration strategies. Developing appropriate expectations req

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Conrady, Morgan, Markus Bauer, Kyoo Jo, Donald Cropek, and Ryan Busby. Solid-phase microextraction (SPME) for determination of geosmin and 2-methylisoborneol in volatile emissions from soil disturbance. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42289.

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A method is described here for the concentration and determination of geosmin and 2-methylisoborneol (2-MIB) from the gaseous phase, with translation to field collection and quantification from soil disturbances in situ. The method is based on the use of solid-phase microextraction (SPME) fibers for adsorption of volatile chemicals from the vapor phase, followed by desorption into a gas chromatograph-mass spectrometer (GC-MS) for analysis. The use of a SPME fiber allows simple introduction to the GC-MS without further sample preparation. Several fiber sorbent types were studied and the 50/30 μ

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Boyle, Maxwell (Forbes), Mallorie Davis, Maxwell (Forbes) Boyle, and Mallorie Davis. Terrestrial vegetation monitoring at Moores Creek National Battlefield: 2022 data summary. National Park Service, 2024. http://dx.doi.org/10.36967/2306499.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Moores Creek National Battlefield lies within the Middle Atlantic Coastal Plain

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Leiderman, Leonardo, Ricardo Hausmann, and Michael Gavin. The Macroeconomics of Capital Flows to Latin America: Experience and Policy Issues. Inter-American Development Bank, 1995. http://dx.doi.org/10.18235/0011580.

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This paper reviews recent experience with international capital flows in Latin America, and discusses the policy issues that surround them. The paper is predicated on three basic premises. Capital flows to the region are an important source of macroeconomic disturbance. Also, capital flows are very volatile. Large fluctuations in these flows are due in substantial part to factors external to Latin America. In addition, the fluctuations require a policy response. Policy should respond to sudden inflows or outflows of capital.

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Boyle, M., and M. Boyle. Terrestrial vegetation monitoring at Canaveral National Seashore: 2022 data summary?version 1.1. National Park Service, 2024. http://dx.doi.org/10.36967/2305810.

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Parks within the Southeast Coast Network (SECN) host a diverse assemblage of plants and terrestrial vegetation communities. Vegetation communities are dynamic entities whose species composition, abundance, distribution, and structure are influenced by environmental factors and impacted over time by natural and anthropogenic disturbances. Determining trends in vegetation communities over time and identifying plant stressors is vital to understanding the ecological health of terrestrial ecosystems within SECN parks. Canaveral National Seashore lies within the Southern Coastal Plain ecoregion of

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