Relevant bibliographies by topics / Mechanismus synchronizace

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Mechanismus synchronizace'

Author: Grafiati
Published: 4 June 2021
Last updated: 12 February 2022

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Journal articles on the topic "Mechanismus synchronizace"

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Sturm, Anja K., and Peter König. "Mechanisms to synchronize neuronal activity." Biological Cybernetics 84, no. 3 (2001): 153–72. http://dx.doi.org/10.1007/s004220000209.

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Payton, Laura, and Damien Tran. "Moonlight cycles synchronize oyster behaviour." Biology Letters 15, no. 1 (2019): 20180299. http://dx.doi.org/10.1098/rsbl.2018.0299.

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Organisms possess endogenous clock mechanisms that are synchronized to external cues and orchestrate biological rhythms. Internal timing confers the advantage of being able to anticipate environmental cycles inherent in life on Earth and to prepare accordingly. Moonlight-entrained rhythms are poorly described, being much less investigated than circadian and circannual rhythms synchronized by sunlight. Yet focus on these lunar rhythms is highly relevant to understanding temporal organization of biological processes. Here, we investigate moonlight cycle effects on valve activity behaviour of the
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Garrido-Charad, Florencia, Tomas Vega-Zuniga, Cristián Gutiérrez-Ibáñez, et al. "“Shepherd’s crook” neurons drive and synchronize the enhancing and suppressive mechanisms of the midbrain stimulus selection network." Proceedings of the National Academy of Sciences 115, no. 32 (2018): E7615—E7623. http://dx.doi.org/10.1073/pnas.1804517115.

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The optic tectum (TeO), or superior colliculus, is a multisensory midbrain center that organizes spatially orienting responses to relevant stimuli. To define the stimulus with the highest priority at each moment, a network of reciprocal connections between the TeO and the isthmi promotes competition between concurrent tectal inputs. In the avian midbrain, the neurons mediating enhancement and suppression of tectal inputs are located in separate isthmic nuclei, facilitating the analysis of the neural processes that mediate competition. A specific subset of radial neurons in the intermediate tec
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García-Bañuelos, Mónica L., Luz Vázquez-Moreno, Joy Winzerling, J. Antonio Orozco, and Alfonso A. Gardea. "WINTER METABOLISM IN DECIDUOUS TREES: MECHANISMS, GENES AND ASSOCIATED PROTEINS." Revista Fitotecnia Mexicana 31, no. 4 (2008): 295. http://dx.doi.org/10.35196/rfm.2008.4.295.

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Plants vary greatly in their ability to survive cold temperatures; some may withstand extreme freezing conditions, while others will be irreversibly injured at temperatures above freezing. The maximum freezing tolerance of plants is induced in response to environmental signals. Temperate woody trees need to acclimate to survive the cold winter. Trees have evolved a complex dynamic process controlling the development of dormancy and cold hardiness that synchronize accurately the onset and termination of winter metabolism. Only recently has been obtained progress in elucidating the molecular mec
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Booth, Victoria, and Amitabha Bose. "Neural Mechanisms for Generating Rate and Temporal Codes in Model CA3 Pyramidal Cells." Journal of Neurophysiology 85, no. 6 (2001): 2432–45. http://dx.doi.org/10.1152/jn.2001.85.6.2432.

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The effect of synaptic inhibition on burst firing of a two-compartment model of a CA3 pyramidal cell is considered. We show that, depending on its timing, a short dose of fast decaying synaptic inhibition can either delay or advance the timing of firing of subsequent bursts. Moreover, increasing the strength of the inhibitory input is shown to modulate the burst profile from a full complex burst, to a burst with multiple spikes, to single spikes. We additionally show how slowly decaying inhibitory input can be used to synchronize a network of pyramidal cells. Implications for the phase precess
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Moumdjian, Lousin, Bart Moens, Pieter-Jan Maes, et al. "Walking to Music and Metronome at Various Tempi in Persons With Multiple Sclerosis: A Basis for Rehabilitation." Neurorehabilitation and Neural Repair 33, no. 6 (2019): 464–75. http://dx.doi.org/10.1177/1545968319847962.

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Background. Mobility dysfunctions are prevalent in persons with multiple sclerosis (PwMS), thus novel rehabilitation mechanisms are needed toward functional training. The effect of auditory cueing is well-known in Parkinson’s disease, yet the application of different types of auditory stimuli at different tempi has not been investigated yet. Objectives. Investigating if PwMS, compared with healthy controls (HC), can synchronize their gait to music and metronomes at different tempi during walking and the effects of the stimuli on perceived fatigue and gait. Additionally, exploring if cognitive
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Putrya, F. M., and I. A. Medvedev. "Analysis of mechanisms to synchronize the streams for on-crystal systems with a large number of computational cores." Russian Microelectronics 41, no. 7 (2012): 405–9. http://dx.doi.org/10.1134/s1063739712070219.

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Zhang, Liping, Lixin Wu, and Bolan Gan. "Modes and Mechanisms of Global Water Vapor Variability over the Twentieth Century." Journal of Climate 26, no. 15 (2013): 5578–93. http://dx.doi.org/10.1175/jcli-d-12-00585.1.

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Abstract The modes and mechanisms of the annual water vapor variations over the twentieth century are investigated based on a newly developed twentieth-century atmospheric reanalysis product. It is found that the leading modes of global water vapor variations over the twentieth century are controlled by global warming, the Atlantic multidecadal oscillation (AMO), and ENSO. On the global scale, the variations in water vapor synchronize with the sea surface temperature, which can be explained by the simple thermal Clausius–Clapeyron theory under conditions of constant relative humidity. However,
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Dong, Yi-Hu, Lian-Hui Wang, and Lian-Hui Zhang. "Quorum-quenching microbial infections: mechanisms and implications." Philosophical Transactions of the Royal Society B: Biological Sciences 362, no. 1483 (2007): 1201–11. http://dx.doi.org/10.1098/rstb.2007.2045.

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The discovery of antibiotics early in the past century marked the beginning of active control and prevention of infectious microbial diseases. However, extensive use of antibiotics has also unavoidably resulted in the emergence of ‘superbugs’ that resist conventional antibiotics. The finding that many pathogens rely on cell-to-cell communication mechanisms, known as quorum sensing, to synchronize microbial activities essential for infection and survival in the host suggests a promising disease control strategy, i.e. quenching microbial quorum sensing or in short, quorum quenching. Work over th
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LIXA, CAROLINA, AMANDA MUJO, CRISTIANE D. ANOBOM, and ANDERSON S. PINHEIRO. "A structural perspective on the mechanisms of quorum sensing activation in bacteria." Anais da Academia Brasileira de Ciências 87, no. 4 (2015): 2189–203. http://dx.doi.org/10.1590/0001-3765201520140482.

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Bacteria are able to synchronize the population behavior in order to regulate gene expression through a cell-to-cell communication mechanism called quorum sensing. This phenomenon involves the production, detection and the response to extracellular signaling molecules named autoinducers, which directly or indirectly regulate gene expression in a cell density-dependent manner. Quorum sensing may control a wide range of biological processes in bacteria, such as bioluminescence, virulence factor production, biofilm formation and antibiotic resistance. The autoinducers are recognized by specific r
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Dissertations / Theses on the topic "Mechanismus synchronizace"

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Polidarová, Lenka. "Periferní cirkadiánní hodiny savců, jejich molekulární mechanismus a synchronizace." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-295142.

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Mammalian circadian clock in peripheral organs, molecular mechanism and entrainment The circadian system controls timing of behavioral and physiological processes in most organisms. In mammals, central oscillator is located in the suprachiasmatic nuclei (SCN) of the anterior hypothalamus. Apart from the SCN, peripheral oscillators are located in numerous organs like liver, heart, lung, muscle, intestine etc. The central and peripheral oscillators need to be synchronized by external cues (Zeitgeber). The SCN coordinates and entrains the phase of the clocks in numerous peripheral tissues via neu
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Polidarová, Lenka. "Molekulární mechanismus cirkadiánních hodin ve střevním epitelu a jejich synchronizace." Doctoral thesis, 2015. http://www.nusl.cz/ntk/nusl-334659.

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The circadian system controls the timing of behavioral and physiological processes in most organisms with a period of about 24 h. In mammals, the circadian system consists of the central oscillator in the suprachiasmatic nuclei (SCN) and peripheral oscillators located in numerous organs such as the liver, heart, lung, muscles, intestines etc. Peripheral oscillators are cell-autonomous, they could also work independently of the SCN entrained by a feeding cycle. The misalignment of the endogenous timekeeping system, due to e.g. irregular daily schedule or shiftwork, may lead to the development o
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Lužná, Vendula. "Molekulární mechanismy synchronizace fetálních cirkadiánních hodin." Doctoral thesis, 2021. http://www.nusl.cz/ntk/nusl-447135.

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In order to adapt to changing external conditions, organisms developed the endogenous biological clock for predicting daily alterations. This so-called circadian system drives functions and processes in the whole body with an approximately 24h period. The central oscillator, located in hypothalamic suprachiasmatic nuclei (SCN), is synchronized by light and subsequently sends the information about the time of the day to the rest of the body. Even in the ontogenesis, the functional SCN clock is crucial for proper development as well as health later in life. Since the maturation of embryonic SCN
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Černá, Barbora. "Mechanismy mateřské synchronizace fetálních cirkadiánních hodin." Master's thesis, 2017. http://www.nusl.cz/ntk/nusl-367794.

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Our body is influenced by many cyclical changes in the environment, such as day and night or seasons. To predict these changes and react to them in time, the organism is equipped with inner clock, which rhythmically influences many physiological processes, such as sleep or metabolic rhythms. Disrupting our inner rhythms at molecular and behavioral levels contributes to many serious disorders. It is necessary that all mechanisms of the inner circadian clock are developed and set up properly. Circadian clocks are set up by the mother, who passes rhythmical information about day and night cycle o
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Koválik, Jan. "Anatolij Fjodorovič Širjajev a jeho přínos pro teorii tlumočení." Master's thesis, 2019. http://www.nusl.cz/ntk/nusl-397947.

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This thesis describes the lifelong work of significant Russian interpretation theorist, pedagogue and active conference interpreter Anatoly Fedorovich Shiryaev. The thesis is theoretical and is divided into three main sections. In the first section, the theoretical background that helps A. F. Shiryaev develop his Complex Model of Simultaneous Interpretation is described. It focuses on the unit of orientation, redundancy and speech compression in detail. This section explains why these are important in the simultaneous interpretation context and the role they have in its process. In the second
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Book chapters on the topic "Mechanismus synchronizace"

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Ginzboorg, Philip. "Methods to synchronize the IN SCP’s overload protection mechanism." In Intelligent Networks and Intelligence in Networks. Springer US, 1997. http://dx.doi.org/10.1007/978-0-387-35066-0_13.

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Huang, Jiung-Yao. "Use of the Frame Synchronization Technique to Improve the Visualization Realism on the Web." In Distributed Multimedia Databases. IGI Global, 2002. http://dx.doi.org/10.4018/978-1-930708-29-7.ch021.

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Along with the popularity of the World Wide Web (WWW), merging the virtual reality technique into the WWW environment is a popular area of research in recent years. The emerging of the VRML standard is the result of such effort. The panoramic image viewer is another achievement of this type of research. However, these two types of browsers have their own merits and faults, and these differences are revealed in the discrepancy of their respective user interfaces. This chapter presents a frame synchronization technique so that the display on the VRML browser can harmonize with the picture of the panoramic image viewer. This chapter first presents an in-depth full comparison of these two browsers, and then draws out the issues that are essential to synchronize the frame displays on these two browsers. The equations and mechanisms to enable such synchronization then follow. Finally, the frame synchronization mechanism that was implemented with experiments to demonstrate its effectiveness is also given. The frame synchronization mechanism provides a simple yet effective method to increase visualization realism inside the virtual world without sacrificing the freedom of navigation.
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Patra, Prashant Kumar, and Padma Lochan Pradhan. "Dynamic FCFS ACM Model for Risk Assessment on Real Time Unix File System." In Transportation Systems and Engineering. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8473-7.ch027.

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The access control is a mechanism that a system grants, revoke the right to access the object. The subject and object can able to integrate, synchronize, communicate and optimize through read, write and execute over a UFS. The access control mechanism is the process of mediating each and every request to system resources, application and data maintained by a operating system and determining whether the request should be approve, created, granted or denied as per top management policy. The AC mechanism, management and decision is enforced by implementing regulations established by a security policy. The management has to investigate the basic concepts behind access control design and enforcement, point out different security requirements that may need to be taken into consideration. The authors have to formulate and implement several ACM on normalizing and optimizing them step by step, that have been highlighted in proposed model for development and production purpose. This research paper contributes to the development of an optimization model that aims and objective to determine the optimal cost, time and maximize the quality of services to be invested into security model and mechanisms deciding on the measure components of UFS. This model has to apply to ACM utilities over a Web portal server on object oriented and distributed environment. This ACM will be resolve the uncertainty, un-order, un formal and unset up (U^4) problems of web portal on right time and right place of any where & any time in around the globe. It will be more measurable and accountable for performance, fault tolerance, throughput, bench marking and risk assessment on any application.
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Leonard, Kendra Preston. "Women at the Pedals." In Over Here, Over There. University of Illinois Press, 2019. http://dx.doi.org/10.5622/illinois/9780252042706.003.0009.

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Women played many musical roles in the film industry. They accompanied silent films at the organ with existing repertoire, made new compositions of incidental music and songs, and improvised accompaniments at the keyboard; they constructed and disseminated cue sheets and educated their fellow musicians and the public in trade journals and newspapers; and they were inventors: Alice Smythe Jay created a mechanism to synchronize piano rolls with films, while Carrie Hetherington invented and promoted the Fotoplayer. In World War I, with men serving abroad, women were increasingly vital to the industry, advancing the cause of professional women throughout the music industry.
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Conference papers on the topic "Mechanismus synchronizace"

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Sinha, Anubhab, Saurabh Kumar Bharti, Arun Kumar Samantaray, and Ranjan Bhattacharyya. "Self-Synchronization in a Class of Motor Driven Reciprocating Mechanisms." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11092.

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Abstract The phenomena of ‘self-synchronization’ is investigated in Reciprocating Mechanisms, namely — crank slider mechanisms. A typical crank-slider mechanism comprises a rotating crank, a sliding piston and a connecting rod in between them. A series of such mechanisms are installed inside a common vibrating base structure. Each of these mechanisms are independently powered by a DC motor. So, for ‘n’ number of mechanisms, there are also ‘n’ number of motors driving them. The assembly is then set up an SDoF vibrating system. A multi-body simulation model is developed on MSC Adams. The numeric
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Hernandez, Saul E. Pomares, Eduardo Lopez Dominguez, and Luis A. Morales Rosales. "An Asymmetric Mechanism to Synchronize Continuous Media in Mobile Distributed Systems." In 2010 IEEE Electronics, Robotics and Automotive Mechanics Conference (CERMA). IEEE, 2010. http://dx.doi.org/10.1109/cerma.2010.136.

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Yang, Biwu, Philip Datseris, and Todd Archer. "Development of an Automatic Earring-Post Assembly System Using an Expert System Approach." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0107.

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Abstract The problem of designing an automatic system to hand posts from bulk, to position them precisely and to weld them on findings, such as earrings, has been effectively solved by employing expert system methodologies and graph theory techniques. Design requirements are represented in terms of desired degrees of freedom, desired type of motion, and the complexity of the mechanism in terms of the number of independent loops. The expert system DOMES, Design of Mechanisms by an Expert System, developed at the University of Rhode Island, is employed to identify several kinematic structures of
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Dezfouli, Siavash, and Mohsen M. Daniali. "Motion Controller Design for a Biped Humanoid Robot." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-71070.

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This paper addresses design of a motion controller for a teen sized biped robot, Archie. The main goal is to develop a motion controller for a cost oriented robot to assist human in daily life. The proposed real-time controller enables each joint individually to receive reference speed and position to provide a smooth motion. In this scheme, action commands are transmitted via Control Area Network (CAN) bus from a PC to robot. Aim of using such a communicator is to provide error process mechanism with a message priority concept. The main advantage of this method is to synchronize the motion of
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Batailly, Alain, Mathias Legrand, Antoine Millecamps, and Francois Garcin. "Numerical Study of a Rotor/Stator Interaction Case Experimentally Simulated With an Industrial Compressor." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68173.

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Higher aircraft energy efficiency may be achieved by minimizing the clearance between the rotating blade tips and respective surrounding casing. A common technical solution consists in the implementation of an abradable liner which improves both the operational safety and the efficiency of modern turbomachines. Recently, unexpected abradable wear removal mechanisms were observed in experimental set-ups and during maintenance procedures. The present study introduces a numerical strategy capable to address this occurrence. After focusing on the analysis of the experimental results, the good agre
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Ishizuka, Akane, Narimasa Ueda, Yoshitaka Morimoto, Akio Hayashi, Yoshiyuki Kaneko, and Naohiko Suzuki. "Study on Non-Axisymmetric 3D Curved Surface Turning by Driven-Type Rotary Tool Synchronized With Spindle." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-65062.

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Abstract Since shifting to electric vehicles as a countermeasure against global warming is not always easy to complete, the hybrid car has been considered as another possible solution. However, based on the calculation of total CO2 emissions, all hybrid cars which will constitute 90% of all cars are expected to be equipped with an internal combustion engine even after 2030. Therefore, further efficiency improvement of the internal combustion engine is necessary. One of the key factors is the variable valve timing and variable lift with the 3D cam mechanism. Since conventional technology uses a
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Assi, Gustavo R. S., Peter W. Bearman, and Julio R. Meneghini. "Unsteady Force Measurements on a Responding Circular Cylinder in the Wake of an Upstream Cylinder." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29040.

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This paper presents force measurements during flow-induced vibration of a pair of circular cylinders with low mass ratio (m* = 2.0) and low damping (ζ = 0.7%) aligned in a tandem arrangement. A particular case with a gap of 3 diameters centre to centre is used to examine flow-interference mechanisms occurring on a downstream cylinder, free to oscillate only in the transverse direction. The Reynolds number varies within the range 1500 < Re < 20000. A cylinder immersed in the wake of another can develop flow-induced oscillations persisting for a large range of reduced velocities. O
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Ishizuka, Akane, Kensuke Nakagawa, Yoshitaka Morimoto, et al. "Study on Non-Axisymmetric 3D Curved Surface Turning by Driven-Type Rotary Tool Synchronized With Spindle." In JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/lemp2020-8505.

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Abstract Since shifting to electric vehicles as a countermeasure against global warming is hard to complete, the hybrid car has been considered as another possible solution. However, based on the calculation of total CO2 emissions, all hybrid cars which will constitute 90% of all cars are expected to be equipped with an internal combustion engine even after 2030. Therefore, further efficiency improvement of the internal combustion engine is necessary. One of the key factors is the variable valve timing and variable lift of the cam mechanism. Since conventional technology uses a complicated lin
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Bonciolini, Giacomo, and Nicolas Noiray. "Synchronization of Thermoacoustic Modes in Sequential Combustors." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-75531.

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Sequential combustion constitutes a major technological step-change for gas turbines applications. This design provides higher operational flexibility, lower emissions and higher efficiency compared to today’s conventional architectures. Like any constant pressure combustion system, sequential combustors can undergo thermoacoustic instabilities. These instabilities potentially lead to high-amplitude acoustic limit cycles, which shorten the engine components’ lifetime and therefore reduce their reliability and availability. In case of a sequential system, the two flames are mutually coupled via
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Mueller, Dominik, John W. Gerdes, and Satyandra K. Gupta. "Incorporation of Passive Wing Folding in Flapping Wing Miniature Air Vehicles." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87543.

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Flapping wing motion produces positive lift in the down stroke and negative lift in the upstroke under zero forward velocity. Large birds frequently exhibit flight behavior where their wings are folded during the upstroke, thus lowering the air resistance as the wing is moved upwards. The result is reduced magnitude of negative lift produced during the upstroke, relative to the positive lift produced in the down stroke, where the wings are unfolded and the area is increased. We expect that by incorporating this style of upstroke wing folding into miniature air vehicle (MAV) platforms, benefici
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