Academic literature on the topic 'Static vs kinetic'

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Journal articles on the topic "Static vs kinetic"

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Kessler, Gabriel. "Comments on Static vs Kinetic Friction." Physics Teacher 47, no. 6 (2009): 326. http://dx.doi.org/10.1119/1.3204102.

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Becker, James, Stanley James, Robert Wayner, Louis Osternig, and Li-Shan Chou. "Biomechanical Factors Associated With Achilles Tendinopathy and Medial Tibial Stress Syndrome in Runners." American Journal of Sports Medicine 45, no. 11 (2017): 2614–21. http://dx.doi.org/10.1177/0363546517708193.

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Background: There is disagreement in the literature regarding whether the excessive excursion or velocity of rearfoot eversion is related to the development of 2 common running injuries: Achilles tendinopathy (AT) and medial tibial stress syndrome (MTSS). An alternative hypothesis suggests that the duration of rearfoot eversion may be an important factor. However, the duration of eversion has received relatively little attention in the biomechanics literature. Hypothesis: Runners with AT or MTSS will demonstrate a longer duration of eversion but not greater excursion or velocity of eversion co
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Narayanamoorthy, B., and S. Balaji. "Electroreduction of Oxygen Using Platinum Nanoparticles Supported on Carbon/Conductive Bipolymeric Nanocomposite Film for Polymer Electrolyte Membrane Fuel Cells." Materials Science Forum 781 (March 2014): 107–17. http://dx.doi.org/10.4028/www.scientific.net/msf.781.107.

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Synthesis and electrochemical characterization of carbon supported platinum nanoparticles dispersed over Nafion-Polyethylene glycol bipolymeric nanocomposite film (Pt/VC/NP) was attempted for catalyzing the oxygen reduction reaction (ORR) in sulfuric acid medium. The nanocomposite films were surface characterized using Scanning electron microscope, X-ray diffraction pattern, X-ray fluorescence spectroscopy and Atomic force microscopy analyses. The electrochemical behavior was studied using cyclic voltammetry and linear scan voltammetry under static and hydrodynamic conditions to check the cata
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Koman-Wierdak, Edyta, Katarzyna Nowomiejska, Agnieszka Brzozowska, et al. "Kinetic and static perimetry after 16 years and additional OCT-A analysis in eyes with long-lasting optic disc drusen." PLOS ONE 16, no. 2 (2021): e0247399. http://dx.doi.org/10.1371/journal.pone.0247399.

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The aim of the study is to evaluate the progression of visual field (VF) defects over 16 years of observation and to assess abnormalities in vessels and retinal nerve fibre layer (RNFL) thickness in patients with optic disc drusen (ODD). Both static automated perimetry (SAP) and semi-automated kinetic perimetry (SKP) were performed in 16 eyes of 8 patients (mean age 54 years) with ODD among 26 eyes of 13 patients examined 16 years before. The area of I2e, I4e, III4e, and V4e isopters was measured in deg2. The MD and PSD parameters were estimated using SAP. Optical coherence tomography angiogra
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Jenkins, William S., Alex T. Vesey, Anna Vickers, et al. "In vivo alpha-V beta-3 integrin expression in human aortic atherosclerosis." Heart 105, no. 24 (2019): 1868–75. http://dx.doi.org/10.1136/heartjnl-2019-315103.

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ObjectivesIntraplaque angiogenesis and inflammation are key promoters of atherosclerosis and are mediated by the alpha-V beta-3 (αvβ3) integrin pathway. We investigated the applicability of the αvβ3-integrin receptor-selective positron emission tomography (PET) radiotracer 18F-fluciclatide in assessing human aortic atherosclerosis.MethodsVascular 18F-fluciclatide binding was evaluated using ex vivo analysis of carotid endarterectomy samples with autoradiography and immunohistochemistry, and in vivo kinetic modelling following radiotracer administration. Forty-six subjects with a spectrum of at
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Bashir, Asma, Mark Bitsch Vestergaard, Lisbeth Marner, et al. "MNGI-13. DYNAMIC IMAGING OF MENINGIOMA WITH 3’-DEOXY-3’-[18F]-FLUOROTHYMIDINE USING POSITRON EMISSION TOMOGRAPHY: A POSSIBLE PREDICTOR OF TUMOR GROWTH." Neuro-Oncology 21, Supplement_6 (2019): vi142. http://dx.doi.org/10.1093/neuonc/noz175.595.

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Abstract BACKGROUND Positron emission tomography (PET) with 3’-deoxy-3’-[18F]-fluorothymidine (18F-FLT) provides a non-invasive assessment of in vivo tumor proliferation that could be useful for predicting growth potential in meningiomas. We aimed to study static and dynamic 18F-FLT PET metrics prospectively to assess metabolic activity of meningioma, and their associations to potential tumor growth on subsequent MRI scans. METHODS Between April 2017 and December 2018, 44 patients harboring MRI-suspected (n = 37) and histologically-verified residual meningiomas (n = 7) underwent a 60-minute dy
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Oppelt, Konrad, Aidan Hogan, Felix Stief, Paul Alfred Grützner, and Ursula Trinler. "Movement Analysis in Orthopedics and Trauma Surgery – Measurement Systems and Clinical Applications." Zeitschrift für Orthopädie und Unfallchirurgie 158, no. 03 (2019): 304–17. http://dx.doi.org/10.1055/a-0873-1557.

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Abstract Background Technical development lead to an enhancement of clinical movement analysis in the last few decades and expanded its research and clinical applications. Since the mid 20th century, human movement analysis has made its way into clinical practice, e.g. in treating poliomyelitis and infantile cerebral palsy. Today, it has a wide range of applications in various clinical areas. The aim of this narrative review is to illustrate the variety of camera-based systems for human movement analysis and their clinical applications, specifically in the field of orthopaedics and trauma surg
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Tekin, Demet, Ani Agopyan, and Gul Baltaci. "Balance Training in Modern Dancers: Proprioceptive-Neuromuscular Training vs Kinesio Taping." Medical Problems of Performing Artists 33, no. 3 (2018): 156–65. http://dx.doi.org/10.21091/mppa.2018.3022.

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Kinesio tape and proprioceptive exercises are both used for increasing balance in dancers. The purposes of this study were to: a) determine the acute effect of kinesio tape (KT) application on the ankle joint on balance performance, b) investigate the effects of an 8-week proprioceptive-neuromuscular (PN) training program on balance performance, and c) compare their effects vs modern dance technique classes alone. Thirty-three trained, university-level modern dance students (9 male, 24 female) were divided randomly into three groups: kinesio tape (KT, n=11), proprioceptive-neuromuscular (PN, n
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Sahlin, Kent, Jens Steen Nielsen, Martin Mogensen, and Michail Tonkonogi. "Repeated static contractions increase mitochondrial vulnerability toward oxidative stress in human skeletal muscle." Journal of Applied Physiology 101, no. 3 (2006): 833–39. http://dx.doi.org/10.1152/japplphysiol.01007.2005.

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Repeated static contractions (RSC) induce large fluctuations in tissue oxygen tension and increase the generation of reactive oxygen species (ROS). This study investigated the effect of RSC on muscle contractility, mitochondrial respiratory function, and in vitro sarcoplasmic reticulum (SR) Ca2+ kinetics in human muscle. Ten male subjects performed five bouts of static knee extension with 10-min rest in between. Each bout of RSC (target torque 66% of maximal voluntary contraction torque) was maintained to fatigue. Muscle biopsies were taken preexercise and 0.3 and 24 h postexercise from vastus
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Dardanelli, Gino, Antonino Maltese, Claudia Pipitone, Alessandro Pisciotta, and Mauro Lo Brutto. "NRTK, PPP or Static, That Is the Question. Testing Different Positioning Solutions for GNSS Survey." Remote Sensing 13, no. 7 (2021): 1406. http://dx.doi.org/10.3390/rs13071406.

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Worldwide, the determination of the coordinates from a Global Navigation Satellite System (GNSS) survey (in Network Real Time Kinematic, Precise Point Positioning, or static mode) has been analysed in several scientific and technical applications. Many of those have been carried out to compare Precise Point Positioning (PPP), Network Real Time Kinematic (NRTK), and static modes’ solutions, usually, using the latter as the true or the most plausible solution. This approach is not always possible as the static mode solution depends on several parameters (baseline length, acquisition time, ionosp
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Dissertations / Theses on the topic "Static vs kinetic"

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Vishwa, Nishant. "Architecture of the Kinetic City." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1378112760.

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Book chapters on the topic "Static vs kinetic"

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Zocchi, Giovanni. "Kinematics of Enzyme Action." In Molecular Machines. Princeton University Press, 2018. http://dx.doi.org/10.23943/princeton/9780691173863.003.0003.

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Enzymes are catalysts as well as the molecular machines that generate and maintain the nonequilibrium state of the cell. There are roughly two main mechanisms by which enzymes provide the control function for the network of chemical reactions in the cell. One is the presence or absence of the enzyme, controlled by gene expression. The other is allosteric control: the modulation of the activity of an individual enzyme caused by binding of a specific ligand, often a small metabolite, or else caused by so-called post-translational modifications. This chapter addresses what could be variously called the quasi-equilibrium aspects, or steady state, or kinematics, of enzyme operation, and what one learns from time-independent perturbations of this steady state. Topics discussed include Michaelis–Menten kinetics, the method of the DNA springs, force and elastic energy in the enzyme–DNA chimeras, injection of elastic energy vs. activity modulation, and connection to nonlinear dynamics.
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Doraiswamy, L. K. "Rates and Equilibria in Organic Reactions : The Thermodynamic and Extrathermodynamic Approaches." In Organic Synthesis Engineering. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195096897.003.0007.

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In any reversible reaction such as . . . vA A + vB B ↔ vR R + vS S [2.1] . . . the system inevitably moves toward a state of equilibrium, or maximum probability. This equilibrium state is very important in analyzing chemical reactions because it defines the limit to which any reaction can proceed. Organic reactions, particularly those constituting a synthetic scheme for a fine chemical, usually involve molecules reacting in the liquid phase. The effects of reactant structure and of the solvent (medium) in which the reaction occurs (the solvation effects) are not included in the conventional macroscopic approach to thermodynamics. Therefore, the treatment of liquid-phase reactions tends to be less exact than that of gas-phase reactions involving simpler molecules without these influences. A convenient way of approaching this problem is to start with the conventional macroscopic or thermodynamic approach and add enough microscopic detail to allow for the effects of solute (reactant) structure and the medium. This approach is called the extrathermodynamic approach and may be regarded as bridging the gap between the two rather disparate fields of rates and equilibria represented by kinetics and thermodynamics, respectively. Such an approach is particularly useful in organic synthesis and forms the subject matter of this chapter. An important consideration in process calculations is the change that results in the basic thermodynamic properties, internal energy (U), enthalpy (H), Helmholtz work function (A), and Gibbs free energy (G) when a closed system of constant mass moves from one macroscopic state to another. For a homogeneous fluid, these change equations can be expressed in terms of four differential equations, which then can be written in difference form by employing the operator Δ to represent the change from state 1 to state 2: Of these, the enthalpy and free energy change equations are the most frequently used in the analysis of reactions.
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Conference papers on the topic "Static vs kinetic"

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Kuschel, Marcus, Bastian Drechsel, David Kluß, and Joerg R. Seume. "Influence of Turbulent Flow Characteristics and Coherent Vortices on the Pressure Recovery of Annular Diffusers: Part A — Experimental Results." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-42476.

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Exhaust diffusers downstream of turbines are used to transform the kinetic energy of the flow into static pressure. The static pressure at the turbine outlet is thus decreased by the diffuser, which in turn increases the technical work as well as the efficiency of the turbine significantly. Consequently, diffuser designs aim to achieve high pressure recovery at a wide range of operating points. Current diffuser design is based on conservative design charts, developed for laminar, uniform, axial flow. However, several previous investigations have shown that the aerodynamic loading and the press
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Johnston, Clare, and Louise Sutherland. "The Influence of Turbulence (or Hydrodynamic Effects) on Strontium Sulphate Scale Formation and Inhibitor Performance." In SPE International Oilfield Scale Conference and Exhibition. SPE, 2014. http://dx.doi.org/10.2118/spe-169760-ms.

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Abstract Inorganic scale (carbonate, sulphate and sulphides) formation can be predicted from thermodynamic models and over recent years better kinetic data has improved the prediction of such scales in field conditions. However these models have not been able to predict the observed deposition where flow disturbances occur, such as at chokes, tubing joints, gas lift valves and safety valves. This can lead to unexpected failures of critical equipment such as downhole safety valves (DHSV’s), and operational issues such as failure to access the well for coiled tubing operations due to tubing rest
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Esposito, Luca, and Nicola Bonora. "Primary Creep Modeling Based on the Dependence of the Activation Energy on the Internal Stress." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25018.

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In the high temperature component design the accumulation of creep strain during the primary stage cannot be ignored, since most the allowable design strain occurs in this stage, for which appropriate modelling is needed. In this work a mechanism based model for primary creep has been derived assuming that the creep rate in the transient regime can be given as a fraction of the steady state creep rate and as a function of the internal stress. Taking into account that the apparent activation energy varies with the internal stress and that the internal stress kinetic can be given as a function o
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Kim, Nam H., Michael Wininger, Gail Forrest, Thomas Edwards, and William Craelius. "A Dynamic Speed vs. Accuracy Trade-Off (DSAT) Paradigm for Measuring and Training Grip Force Control for Stroke Population." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206306.

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A fundamental principle of human motor behavior states that the accuracy of targeted movements relates reciprocally to their speed. This is quantified by Fitts’ Law, wherein movement time (MT) and index of difficulty (ID), the log2 ratio of target distance (A) to target height (H) has logarithmic linear relationship; MT = a+b·log2(2A/H) = a+b·ID. The slope, b (seconds/bits), measures targeting performance as the time spent at each difficulty level, expressed as bits of information to be processed by the neuromotor system [1, 2]. Fitts’ paradigm is a common measure of the kinematic performance
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He, Yangye, Hailong Lu, Murilo Augusto Vaz, and Marcelo Caire. "Flexible Riser Top Connection Analysis With I-Tube Interface and Bending Hysteresis Effect." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95826.

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Abstract The flexible riser top connection to the floating production platform is a critical region for fatigue lifetime (re)assessment. The interface with the I-tube and its curved sleeve combined with the gap between the riser and bend stiffener may lead to different curvature distribution when compared to the traditional modeling approach that considers the bend stiffener attached to the pipe. For a more accurate top connection assessment, the flexible riser bending hysteresis can also be directly incorporated in the global dynamic analysis helping to reduce curvature amplitude and lifetime
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Bhowmick, Sankha, Bharat D. Nath, John D. Biggers, and Mehmet Toner. "Thermostability Studies of Desiccated Murine Spermatozoa Nuclear DNA to Predict the Beneficial Effect of Trehalose in Long Term Storage." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33684.

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Long term preservation of mouse sperm in a desiccated state using sugars like trehalose may offer attractive economic benefits in the management of rapidly increasing transgenic mouse strains. The goal of the current study was to evaluate the protective effect of intracellular trehalose on sperm nucleus by predicting the long-term nuclear degradation kinetics of desiccated spermatozoa using an Arrhenius model whose parameters are obtained from high temperature-short time storage studies. B6D2F1 sperm isolated in an EGTA supplemented tris-HCl buffer (with or without 0.5M intracellular trehalose
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Shi, Xundan, and J. M. Khodadadi. "Fluid Flow and Heat Transfer in a Lid-Driven Cavity Due to an Oscillatory Thin Fin: Periodic State." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56266.

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A computational study of periodic laminar flow and heat transfer within a lid-driven square cavity due to an oscillating thin fin is presented. The lid moves from left to right and a thin fin positioned perpendicular to the right stationary wall oscillates in the horizontal direction. The length of the fin varies sinusoidally with its mean length and amplitude equal to 10 and 5 percent of the side of the cavity, respectively. Two Reynolds numbers of 100 and 1000 with a Pr = 1 fluid were considered. For a given convection time scale (tconv), fin’s oscillation periods (τ) were selected in order
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