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Relevant bibliographies by topics / Spring constant

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Academic literature on the topic 'Spring constant'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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Journal articles on the topic "Spring constant"

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Rahat, Muhammad Abu, Muhammad Ferdous Raiyan, MD Safayet Hossain, J. U. Ahamed, and Nahed Hassan Jony. "Design and Fabrication of a Spring Constant Testing Machine and Determination of Spring Constant of a Compression Spring." International Journal of Engineering Research 4, no. 10 (2015): 574–78. http://dx.doi.org/10.17950/ijer/v4s10/1013.

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Chen, Si’an, Yu Di Zhang, Chang Rui Zhang, Xin Xiong, and Hai Feng Hu. "Compression Property of C/SiC and Inconel X-750 Springs from Room Temperature to 1000°C." Materials Science Forum 789 (April 2014): 616–21. http://dx.doi.org/10.4028/www.scientific.net/msf.789.616.

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The compression properties of C/SiC composite and Inconel X-750 helical springs were investigated from room temperature (RT) to 1000°C in air. The density of C/SiC spring is 1.74 g/cm3, only ~1/5 of X-750 value (8.17 g/cm3) and the spring constants of C/SiC and X-750 springs at RT are 3.47 and 5.61 N/mm, respectively. The spring constants of X-750 spring decreased with increase of temperature. X-750 spring could keep excellent property below 600°C, but its spring constant was only 36.7% of RT value at 800°C and permanent deformation appeared. At 1000°C, it could not restore and was destroyed.

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Wulandari, S., B. H. Iswanto, and I. Sugihartono. "Determination of Springs Constant by Hooke’s Law and Simple Harmonic Motion Experiment." Journal of Physics: Conference Series 2019, no. 1 (2021): 012053. http://dx.doi.org/10.1088/1742-6596/2019/1/012053.

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Abstract This study aims to calculate the spring constants of two types of stainless using Hooke’s Law principle and simple harmonic motion methods. Two types of springs (spring I and II) with different sizes in diameter have spring constant k values of 24 N/m and 5.4N/m, respectively. Based on the experiment and calculation, the spring constant of spring 1 calculated by Hooke’s Law and the simple harmonic motion experiment has an average value of 23.22 N/m with an error of 3.24% and 23.06 N/m with an error of 3.90%. On the other hand, the spring constant of spring 2 calculated by Hooke’s Law

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Schmitt, Lisa, Philip Schmitt, and Martin Hoffmann. "Highly Selective Tilted Triangular Springs with Constant Force Reaction." Sensors 24, no. 5 (2024): 1677. http://dx.doi.org/10.3390/s24051677.

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Guiding mechanisms are among the most elementary components of MEMS. Usually, a spring is required to be compliant in only one direction and stiff in all other directions. We introduce triangular springs with a preset tilting angle. The tilting angle lowers the reaction force and implements a constant reaction force. We show the influence of the tilting angle on the reaction force, on the spring stiffness and spring selectivity. Furthermore, we investigate the influence of the different spring geometry parameters on the spring reaction force. We experimentally show tilted triangular springs ex

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Hia, Samuel, and Albertus Hariwangsa Panuluh. "Pengukuran Modulus Geser Baja Menggunakan Analisis Osilasi Pegas-Massa." Jurnal Teori dan Aplikasi Fisika 9, no. 1 (2021): 1–8. http://dx.doi.org/10.23960/jtaf.v9i1.2606.

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A steel shear modulus measurement has been conducted using spring-mass oscillation analysis. The purpose of this study is to determine whether the spring-mass oscillation analysis method can measure the shear modulus of the steel. In this study, springs that are used are made of steel with a spring radius of 7.86 mm, a spring wire diameter of 0.817 mm and there is no distance between the coil springs. The length of the spring is varied 7 times, i.e., 4.75 cm, 5.36 cm, 5.89 cm, 6.81 cm, 8.53 cm, 9.44 cm, and 10.87 cm. The spring radius and the diameter of the spring wire are measured using a mi

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Wu, Cho Chun, Rong Shun Chen, and Meng Ju Lin. "Effect of Box Microspring Size on Spring Constant." Advanced Materials Research 33-37 (March 2008): 975–80. http://dx.doi.org/10.4028/www.scientific.net/amr.33-37.975.

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There are two kinds of microsprings often used: box microsprings and zig-zag (serpentine) microsprings. Box microsprings are considered with larger spring constant k and more symmetric structure keeping balance than zig-zag microspring. Density of spring number, N, is defined as the numbers of turns within a constant total spring length to investigate performance of box microspring. With applying the same force, the relation between spring constants and microspring sizes are discussed. Under different size parameters of box microsprings: B, W, T, and L, the spring constants decrease like expon

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Park, Young-Soo, Sehoon Kim, Namgyu Kim, and Jong-Jae Lee. "Evaluation of bridge support condition using bridge responses." Structural Health Monitoring 18, no. 3 (2018): 767–77. http://dx.doi.org/10.1177/1475921718773672.

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This article presents a method for evaluating the support condition of bridges. This is done by representing the aging and deteriorated supports as rotation springs with equivalent spring constants. Sensitivity analysis was performed to obtain a relationship between the spring constant and the bridge responses (deflections/slopes). From this relationship, measured bridge responses can be used to estimate the equivalent spring constants through interpolation. Numerical analysis was performed to check whether the method can be used to calculate equivalent spring constants. Then, the method was v

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Ko, Koeng Wook, Hyun Soo Kim, Sung In Bae, Eui Seok Kim, and Yuan Shin Lee. "Determination of Spring Constant for Simulating Deformable Object under Compression." Key Engineering Materials 417-418 (October 2009): 369–72. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.369.

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It is not easy to simulate realistic mechanical behaviors of elastically deformable objects with most existing mass-spring systems for their lack of simple and clear methods to determine spring constants considering material properties (e.g. Young's modulus, Poisson’s ratio). To overcome this obstacle, we suggest an alternative method to determine spring constants for mechanical simulation of deformable objects under compression. Using the expression derived from proposed method, it is possible to determine one and the same spring constant for a mass-spring model depending on Young's modulus,

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Qin, Wen-Bin, Tian-Lin Ju, Xiu-Lan Yue, et al. "Hemoglobin Constant Spring in China." Hemoglobin 9, no. 1 (1985): 69–71. http://dx.doi.org/10.3109/03630268508996984.

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Rodriguez, Emmanuel, Manuel Paredes, and Marc Sartor. "Analytical Behavior Law for a Constant Pitch Conical Compression Spring." Journal of Mechanical Design 128, no. 6 (2005): 1352–56. http://dx.doi.org/10.1115/1.2338580.

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Cylindrical compression spring behavior has been described in the literature using an efficient analytical model. Conical compression spring behavior has a linear phase but can also have a nonlinear phase. The rate of the linear phase can easily be calculated but no analytical model exists to describe the nonlinear phase precisely. This nonlinear phase can only be determined by a discretizing algorithm. The present paper presents analytical continuous expressions of length as a function of load and load as a function of length for a constant pitch conical compression spring in the nonlinear ph

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Dissertations / Theses on the topic "Spring constant"

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Liu, Yang. "Calibration of Glass Fiber Microcantilevers." Ohio University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1268336942.

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Araujo, Maria Tereza de. "Medidas das constantes de mola, de amortecimento e da temperatura para átomos aprisionados e para uma de suas variantes espaciais." Universidade de São Paulo, 1995. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-12052014-165601/.

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Devido à necessidade de caracterizar as armadilhas magneto-ópticas (AMO), as quais fornecem amostras densas de átomos frios, e de extrema importância o conhecimento dos valores das constantes mecânicas k e &#946 inerentes ao movimento harmônico super amortecido dos átomos nestas armadilhas. Neste trabalho, obtivemos estas constantes usando a técnica que aplica uma oscilação forçada aos átomos aprisionados através de um pequeno campo magnético oscilante adicional de forma a não perturbar o aprisionamento. Fizemos um estudo destas constantes como função de alguns parâmetros inerentes ao aprision

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Parkin, John D. "Microcantilevers : calibration of their spring constants and use as ultrasensitive probes of adsorbed mass." Thesis, University of St Andrews, 2013. http://hdl.handle.net/10023/3608.

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The dynamic properties of several rectangular and V-shaped microcantilevers were investigated. Particular attention was paid to the higher flexural eigenmodes of oscillation. The potential of the higher flexural modes was demonstrated through the use of cantilevers as standalone sensors for adsorbed mass. The mass adsorbed on the surface of a cantilever was in the form of a homogeneous water layer measured as a function of relative humidity. The minimum detectable water layer thicknesses were 13.7 Å, 3.2 Å, 1.1 Å, and 0.7 Å for the first four modes of a rectangular cantilever, clearly demonstr

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Shope, Ronald L. "Response of Wide Flange Steel Columns Subjected to Constant Axial Load and Lateral Blast Load." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/29521.

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The response of wide flange steel columns subjected to constant axial loads and lateral blast loads was examined. The finite element program ABAQUS was used to model W8x40 sections with different slendernesses and boundary conditions. For the response calculations, a constant axial force was first applied to the column and the equilibrium state was determined. Next, a short duration, lateral blast load was applied and the response time history was calculated. Changes in displacement time histories and plastic hinge formations resulting from varying the axial load were examined. The cases

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Sarangapani, Krishna Kumar. "Characterizing selectin-ligand bonds using atomic force microscopy (AFM)." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/11650.

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The human body is an intricate network of many highly regulated biochemical processes and cell adhesion is one of them. Cell adhesion is mediated by specific interactions between molecules on apposing cell surfaces and is critical to many physiological and pathological processes like inflammation and cancer metastasis. During inflammation, blood-borne circulating leukocytes regularly stick to and roll on the vessel walls, which consist in part, adhesive contacts mediated by the selectin family of adhesion receptors (P-, E- and L-selectin). This is the beginning of a multi-step cascade that ult

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Barbieri, Rodrigo Antonio. "Influência da temperatura de sinterização nas propriedades mecânicas de molas de alumina injetadas em baixa pressão." reponame:Repositório Institucional da UCS, 2011. https://repositorio.ucs.br/handle/11338/613.

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Neste trabalho foram produzidas molas cerâmicas através do processo de moldagem por injeção em baixa pressão, utilizando-se como matéria-prima alumina submicrométrica, aditivada com ligantes a base de ceras. Dentro do tanque de uma injetora Pelstman, estes materiais foram homogeneizados e resultaram em uma suspensão de baixa viscosidade. Entre os objetivos deste trabalho estão a produção de molas cerâmicas helicoidais com perfil circular, a extração dos ligantes orgânicos utilizados durante a moldagem, a pré-sinterização das molas a 1000°C, o acabamento e a sinterização das molas em diferentes

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Meurk, Anders. "Force measurements using scanning probe microscopy : Applications to advanced powder processing." Doctoral thesis, Stockholm, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3023.

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Zerweck-Trogisch, Ulrich. "Auflösungsvermögen und Genauigkeit der Kelvinsonden-Rasterkraftmikroskopie und deren Anwendung an molekularen Systemen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1196782873906-79057.

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Die Arbeit befasst sich mit der Erforschung und Anwendung der Kelvinsonden-Rasterkraftmikroskopie. Die Technik wird bezüglich der Quantität der gemessenen Werte und der erzielbaren lateralen Auflösung untersucht und auf diverse Probensysteme angewandt. Die so erhaltenen nanoskopischen Werte werden mit markoskopischen Messergebnissen verglichen. Sowohl die elektrostatische Kraft zwischen der Messspitze und der Probenoberfläche als auch deren Gradienten können zur Minimierung der elektrostatischen Wechselwirkung herangezogen werden. Die Detektion des Kraftgradienten zum Aufbau eines Regelkreises

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MONTEIRO, Roana d’Ávila Souza. "Caracterização eletromecânica de mini molas superelásticas de nitinol em regime de efeito memória de forma sob carga constante." Universidade Federal de Campina Grande, 2015. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/453.

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Submitted by Kilvya Braga (kilvyabraga@hotmail.com) on 2018-04-23T13:32:14Z No. of bitstreams: 1 ROANA D'ÁVILA SOUZA MONTEIRO - DISSERTAÇÃO (PPGEM) 2015.pdf: 3977570 bytes, checksum: e1760f7cd8bdc07cce68f5b1aedd33a2 (MD5)<br>Made available in DSpace on 2018-04-23T13:32:14Z (GMT). No. of bitstreams: 1 ROANA D'ÁVILA SOUZA MONTEIRO - DISSERTAÇÃO (PPGEM) 2015.pdf: 3977570 bytes, checksum: e1760f7cd8bdc07cce68f5b1aedd33a2 (MD5) Previous issue date: 2015-08-31<br>Capes<br>As Ligas com Memória de Forma (LMF) constituem uma classe de materiais metálicos que possuem a capacidade de recuperar uma

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Hickerson, Jon D. (Jon David). "The Impact of Corporate Interlocks on Power and Constraint in the Telecommunications Industry." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc500891/.

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Using the tools of structural and network analysis developed by Ronald R. Burt and others, this study investigated the communication patterns among corporate officers of American Telephone and Telegraph Corporation (A.T. & T.) and United Telecommunications Corporation (Sprint). Data on contacts, efficiency, network density, and constraint indicate that opportunities for power and constraint have remained relatively stable at United Telecommunications between 1980 and 1990. A. A.T. & T., on the other hand, was more affected by the drastic changes in the telecommunication industry. The span of A

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Books on the topic "Spring constant"

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Andreas, Podelski, and French Spring School of Theoretical Computer Science (22nd : 1994 : Châtillon-sur-Seine, France), eds. Constraint programming: Basics and trends : 1994 Châtillon Spring School, Châtillon-sur-Seine, France, May 16-20, 1994 : selected papers. Springer-Verlag, 1995.

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Kees, Gary. Field evaluation of a constant-rate herbicide sprayer for ATVs and UTVs. U.S. Dept. of Agriculture, Forest Service, Technology & Development Program, 2008.

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Mero, Antti. Electromyographic activity, force and anaerobic energy production in sprint running: With special reference to different constant speeds ranging from submaximal to supramaximal. University of Jyväskylä, 1987.

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Metaxides, Evangelos. Static and dynamic testing of a recumbent bicycle's suspension components, and design of a damping coefficient-spring constant test machine. 1995.

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Williams, Sonja D. Rural Wanderings. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252039874.003.0002.

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This chapter recounts Richard Durham's early years and education. Alternatively known as Isadore, Izzy, Vern, Dick, the young Durham explored as much of the land around his family's house, located on eighty acres of rural farmland just outside the town of Raymond in Hinds County, Mississippi. His father, Curtis George Durham, cultivated the farm's cotton crops and cornfields but also worked several odd jobs to supplement the family's income. Aside from helping her husband cultivate their farmland, Durham's mother, Chanie Tillman Durham, worked as a teacher in Hinds County's Negro schoolhouse a

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Turgenev, Ivan. Torrents of Spring, and the Rendezvous: Translated by Constance Garnett and Herman Bernstein. Blurb, 2023.

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Coopersmith, Jennifer. The Principle of Virtual Work. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198743040.003.0004.

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The meaning behind the mysterious Principle of Virtual Work is explained. Some worked examples in statics (equilibrium) are given, and the method of Virtual Work is compared and contrasted with the method of Newtonian Mechanics. The meaning of virtual displacements is explained very carefully. They must be ‘small’, happen simultaneously, and do not cause a force, result froma force, or take any time to occur. Counter to intuition, not all the actual displacements can be allowed as virtual displacements. Some examples worked through are: Feynman’s pivoting (cantilever) bar, a “black box,” a wei

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Curtis, Cathy. Painting the President. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190498474.003.0009.

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Elaine’s dealer, Robert Graham, had offered to donate a portrait of President Kennedy to the Harry S. Truman Library. Agreement to this plan was based on her ability to work very quickly. In late December 1962, Elaine arrived at the Winter White House in Palm Springs, California. She was dazzled by JFK. But he was constantly in motion, sitting casually, and likely to show up in sports clothes. Back in New York, Elaine painted dozens of canvases that dissatisfied her. A presidential advisor complained about JFK’s pose. She finally produced a suitable portrait; two months later, Kennedy was assa

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Yaari, Nurit. Aristophanes and the Occupied Territories. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198746676.003.0005.

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This chapter discusses an important trait of the Israeli theatre. It is inherently political by nature and it springs from and constantly reflects the complex realities of modern Israeli society: the continual wars, the innumerable cease-fires, ad hoc peace agreements, territorial occupations, military operations in response to terrorist attacks, and painful and disappointing attempts to reach permanent agreements and peace in the region. It is not surprising then that Israeli playwrights and directors who have searched for a suitable response to the Six Day War and the occupation have chosen

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Tausig, Benjamin. Bangkok is Ringing. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190847524.001.0001.

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Bangkok Is Ringing is an on-the-ground sound studies analysis of the political protests that transformed Thailand in 2010–11. Bringing the reader through sixteen distinct “sonic niches” where dissidents used media to broadcast to both local and diffuse audiences, the book catalogues these mass protests in a way that few movements have ever been catalogued. The Red Shirt and Yellow Shirt protests that shook Thailand took place just before other international political movements, including the Arab Spring and Occupy Wall Street. Bangkok Is Ringing analyzes the Thai protests in comparison with th

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Book chapters on the topic "Spring constant"

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Ziegler, Kyle K., Robert A. Lake, and Ronald A. Coutu. "Spring Constant Characterization of a Thermally Tunable MEMS Regressive Spring." In MEMS and Nanotechnology, Volume 8. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07004-9_2.

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Pili, Unofre, and Renante Violanda. "Measuring a Spring Constant with a Smartphone Magnetic Field Sensor." In Smartphones as Mobile Minilabs in Physics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-94044-7_34.

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ARUĞASLAN ÇINÇIN, DUYGU, and Nur Cengiz. "Stability of a Spring-Mass System with Generalized Piecewise Constant Argument." In Progress on Difference Equations and Discrete Dynamical Systems. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60107-2_9.

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Akhmet, Marat, Duygu Aruğaslan Çinçin, Zekeriya Özkan, and Madina Tleubergenova. "Investigation of Mass-Spring Systems Subject to Generalized Piecewise Constant Forces." In Engineering Cyber-Physical Systems and Critical Infrastructures. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-09753-9_48.

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Nguyen, Vu Linh. "A Novel Adjustable Constant-Force Mechanism Based on Spring and Gear Transmission." In New Advances in Mechanisms, Transmissions and Applications. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-29815-8_37.

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Keung, Godfrey, and Chao Chen. "Novel Design of An Adjustable Constant Force Mechanism based on Cam and Spring." In Advances in Mechanism and Machine Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20131-9_146.

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Piao, Chang Hao, Chong Du Cho, Chang Boo Kim, and Qiang Pang. "Experiment Study and Finite Element Analysis of Spring Constant of Welded Metal Bellows." In Experimental Mechanics in Nano and Biotechnology. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.537.

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Shaw, Gordon A., Jon R. Pratt, and Zeina J. Jabbour. "Small mass measurements for tuning fork-based atomic force microscope cantilever spring constant calibration." In MEMS and Nanotechnology, Volume 2. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-8825-6_8.

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Montgomery, Angela. "Spring Awakening." In The Human Constraint. Productivity Press, 2024. http://dx.doi.org/10.4324/9781032644288-18.

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Peter, Helga, and Thomas Penzel. "Constant routine." In Springer Reference Medizin. Springer Berlin Heidelberg, 2025. https://doi.org/10.1007/978-3-662-65186-5_409.

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Conference papers on the topic "Spring constant"

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Shopov, Antonio, Borislav Bonev, and Nikolay Brayanov. "Change of spring constant for springs with corrosion." In Fifth International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2018. http://dx.doi.org/10.5592/co/cetra.2018.900.

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Vesely, S. L., A. A. Vesely, and S. R. Dolci. "The Fine Structure Constant and Graphene." In 2019 PhotonIcs & Electromagnetics Research Symposium - Spring (PIERS-Spring). IEEE, 2019. http://dx.doi.org/10.1109/piers-spring46901.2019.9017668.

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Chatham, Matthew J., Beth A. Todd, Joey K. Parker, Audrey S. House, and Jenny L. Taylor. "A Spring-Loaded Constant Force Exercise Device." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/bed-23006.

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Abstract Bone mineral density loss has been observed in astronauts who have spent a significant amount of time in a micro-gravity environment [1]. The lack of mechanical stress placed on the bones while in this environment is a major factor in the decrease in bone mineral density. To counteract these effects, resistive exercise has been the focus of many studies. Weighted plates have been used to provide a constant force resistance in ground-based bed rest studies. Bed rest has been established as one of the best ways to simulate the long-term effects of micro-gravity on earth [2]. In weightle

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Frischknecht, Bart D., Larry L. Howell, and Spencer P. Magleby. "Crank-Slider With Spring Constant Force Mechanism." In ASME 2004 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/detc2004-57318.

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This paper explores the development and performance of new constant-force compliant mechanisms that involve the addition of a translational spring element to slider-crank constant force mechanisms. The translational spring element has the additional requirement that, similar to a slider, it resists off-axis loads sufficiently to permit translation along only one axis. Geometric and energy storage parameters have been determined by optimization for five classes of mechanisms. The results of the optimization are values for geometric and energy storage parameters for each mechanism class for vari

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Szasz, Gyorgy, Christopher Wandell, Winston Borrero, and Mark Jaeger. "Main Steam Line Constant Spring Support Failures." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57451.

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Several constant spring supports attached to the main steam lines (MSLs) at Palo Verde Nuclear Generating Station (PVNGS) failed over a period of several years. The continued failures presented a need to instrument the MSL piping and supports, such that data could be collected in support of a cause determination and problem resolution effort. Extensive monitoring and data acquisition was performed over an 18-month period in all three PVNGS operating units, encompassing several revisions to the instrumentation configuration. This document presents an account of the project, with a timeline of e

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Jain, Deepti, H. Nanda, R. Nath, et al. "Bacterial Spring Constant in Log-Phase Growth." In SOLID STATE PHYSICS, PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010. AIP, 2011. http://dx.doi.org/10.1063/1.3605786.

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Huang, Hsin-Ting, and Chin-Hsing Kuo. "Design of Constant-Force Mechanisms Based on Straight-Line Linkages." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85241.

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This paper presents two novel constant-force mechanisms (CFMs) based on Scott-Russell and Hart’s straight-line linkages with mechanical springs. By articulating either two compression springs (type C-C) or one compression spring with another one extension spring (type C-E) onto each of these two CFMs, the point(s) which trace straight-line trajectories can illustrate a constant force within the mechanism workspace. We also show that the preload of the extension spring for type C-E CFMs will not affect its constant-force property but can define the amount of the output force. The proposed conce

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Patel, Harshkumar, and Hong Zhou. "Analysis and Synthesis of Conical Coil Springs." In ASME 2021 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/detc2021-69971.

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Abstract Springs are mechanical devices that are employed to resist forces, store energy, absorb shocks, mitigate vibrations, or maintain parts contacting each other. Spring wires are commonly coiled in the forms of helixes for either extension or compression. Helical springs usually have cylindrical shapes that have constant coil diameter, constant pitch and constant spring rate. Unlike conventional cylindrical coil springs, the coil diameter of conically coiled springs is variable. They have conical or tapered shapes that have a large coil diameter at the base and a small coil diameter at th

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Poletkin, Kirill. "A Micromachined Contactless Suspension With Zero Spring Constant." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86465.

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In this paper, a micromachined contactless suspension with a zero spring constant that provides possibility to significantly increasing sensitivity of micromachined sensors is studied. Minimization of the spring constant of the contactless suspension is achieved by combining inductive and electric contactless suspensions. In particular, the conditions required to eliminate the spring constant of the suspension and achieve stable levitation of the disk shaped proof mass are obtained based on the analysis of developed mathematical model of the suspension. It is shown that such a suspension can b

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Schonbrun, E., and K. B. Crozier. "Polarization modulation of an optical trap's spring constant." In NanoScience + Engineering, edited by Kishan Dholakia and Gabriel C. Spalding. SPIE, 2008. http://dx.doi.org/10.1117/12.793428.

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Reports on the topic "Spring constant"

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Gates, Richard S. Certification of Standard Reference Material® 3461 Reference Cantilevers for AFM Spring Constant Calibration. National Institute of Standards and Technology, 2022. http://dx.doi.org/10.6028/nist.sp.260-227.

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Gates, Richard S. Certification of Standard Reference Material® 3461 Reference Cantilevers for AFM Spring Constant Calibration. National Institute of Standards and Technology, 2023. http://dx.doi.org/10.6028/nist.sp.260-227-upd1.

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Hotsur, Oksana. SOCIAL NETWORKS AND BLOGS AS TOOLS PR-CAMPAIGN IMPLEMENTATIONS. Ivan Franko National University of Lviv, 2021. http://dx.doi.org/10.30970/vjo.2021.50.11110.

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The article deals with the ways in which social networks and the blogosphere influence the formation and implementation of a PR campaign. Examples from the political sphere (election campaigns, initiatives), business (TV brands, traditional and online media) have revealed the opportunities that Facebook, Telegram, Twitter, YouTube and blogs promote in promoting advertising, ideas, campaigns, thoughts, or products. Author blogs created on special websites or online media may not be as much of a tool in PR as an additional tool on social media. It is noted that choosing a blog as the main tool o

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Miles, Gaines E., Yael Edan, F. Tom Turpin, et al. Expert Sensor for Site Specification Application of Agricultural Chemicals. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7570567.bard.

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In this work multispectral reflectance images are used in conjunction with a neural network classifier for the purpose of detecting and classifying weeds under real field conditions. Multispectral reflectance images which contained different combinations of weeds and crops were taken under actual field conditions. This multispectral reflectance information was used to develop algorithms that could segment the plants from the background as well as classify them into weeds or crops. In order to segment the plants from the background the multispectrial reflectance of plants and background were st

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Dufour, Quentin, David Pontille, and Didier Torny. Contracter à l’heure de la publication en accès ouvert. Une analyse systématique des accords transformants. Ministère de l'enseignement supérieur et de la recherche, 2021. http://dx.doi.org/10.52949/2.

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Cette étude porte sur une des innovations contemporaines liées à l’économie de la publication scientifique : les accords dits transformants, un objet relativement circonscrit au sein des relations entre consortiums de bibliothèques et éditeurs scientifiques, et temporellement situé entre 2015 et 2020. Ce type d’accords a pour objectif affiché d’organiser la transition du modèle traditionnel de l’abonnement à des revues (souvent proposées par regroupements thématiques ou collections) vers celui de l’accès ouvert en opérant une réaffectation des budgets qui y sont consacrés. Notre travail d’anal

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