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... Germaine Greer, who's in a film about vibrators, cuts the Big O down to size HealthWatch Tyranny? No ...

2006 - Gale Group | TDA

Artigo

E.A. Gerber, Lucas J. Koerner,

... through a simple pi resistance network which includes the vibrator in the series arm. The motional resonance frequency of the vibrator and the value of the motional resistance by the substitution of a resistor in place of the vibrator may be obtained from the frequency measurement. The ... of capacitance-bridge measurements and frequency measurements of the vibrator with series impedances, all of the elements of ... relate the measured to the fundamental values of the vibrator elements with any desired degree of precision. It ...

Tópico(s): Ultrasonics and Acoustic Wave Propagation

1958 - Institute of Electrical and Electronics Engineers | Proceedings of the IRE

Jornais Acesso aberto

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... can't have an orgasm with a man" Vibrators Can now Be Found in an Increasing ... for but Killer Breath The Times Sweaty Stuff Chi Ball The Times Shake, ...

2003 - Gale Group | TDA

Artigo Revisado por pares

P. P. Dimitriu,

... wavetrains were generated by a 4441 N electrodynamic vibrator, the vertical force being used, and the evolution of ... 6 m apart, were used to install the vibrator. The seismometers were aligned along three profiles: two for the first location of the vibrator (30 and 60 m long) and one for ... critical value (∼ 10−5 at 1 m from the vibrator), it evolved in a recurrent manner. The Fourier spectra of the records show that, during ...

Tópico(s): Seismic Waves and Analysis

1988 - Elsevier BV | Physics of The Earth and Planetary Interiors

Artigo Revisado por pares

Xiang Li, Zhiyuan Yao, Shengli Zhou, Qibao Lv, Zhen Liu,

... modal-independent linear ultrasonic motor with double piezoelectric vibrators. The energy method is used to model the dynamics of the two piezoelectric vibrators. The interface forces are coupled into the dynamic equations of the two vibrators and the moving platform, forming a whole machine model of ...

Tópico(s): Innovative Energy Harvesting Technologies

2016 - Elsevier BV | Ultrasonics

Artigo Acesso aberto Revisado por pares

A. Glagolewa-Arkadiewa,

... electromagnetic waves of the smallest possible length, as the vibrator burns out very soon, so that the amount ... the waves decreases slowly, if the dimensions of the vibrator are diminished, when we approach the region of the very shortest waves. The experiments ...

Tópico(s): Geophysics and Sensor Technology

1924 - Nature Portfolio | Nature

Artigo Acesso aberto

Dong‐Gun Kim, So-Nam Yun, Young-Bog Ham, Jung Ho Park,

... type driven by a geared motor and a vibrator. The geared motor is a type of PWM controlled ... of the displacement and vibration. When using the vibrator, the electric power harvesting is based on piezoelectric effect ... and controllers. Low frequency operating technique using piezoelectric vibrator is very important because normal vibration sources in the environment such as building, human body, windmill and ...

Tópico(s): Energy Harvesting in Wireless Networks

2010 - Scientific Research Publishing | Wireless Sensor Network

Artigo Revisado por pares

Shuyun Wang, Zemeng Yang, Junwu Kan, Song Chen, Chaohui Chai, Zhonghua Zhang,

... parameters on the response characteristics of the piezoelectric vibrator. The results showed that the amplitude-limiting device could ... maximal deformation and output voltage of the piezoelectric vibrator. The maximum generated voltage increases with the increases of ...

Tópico(s): Vibration Control and Rheological Fluids

2021 - Elsevier BV | Renewable Energy

Artigo Revisado por pares

Robert Laws, David Halliday, Jon‐Fredrik Hopperstad, David Gerez, Mehul Supawala, Ali Özbek, Thomas M. Murray, E. Kragh,

... next; it can be applied to the individual vibrators within the source array so the source directivity is changed; ... extra source points, the relative phase of the vibrators within the array can be chosen to create a transverse ... seismic data could have been acquired using marine vibrators in one third of the time that it would have taken using airguns.

Tópico(s): Underwater Acoustics Research

2018 - Wiley | Geophysical Prospecting

Artigo Revisado por pares

Norman A. Watson,

... optimal total force of application and area of the vibrator button were found to be essentially the same ... to vary with the position of application of the vibrator; for example, the maximum variation with position of the 1000-cycle ...

Tópico(s): Medical and Biological Sciences

1938 - Acoustical Society of America | The Journal of the Acoustical Society of America

Artigo Revisado por pares

Matthew Arnold, Ivo Herle,

... and a non‐densified zone remote from the vibrator. The deep vibrator produces a faster compaction than the top vibrator, especially in the more distant zone. The more efficient work of the deep vibrator can be attributed to a more general multidirectional ...

Tópico(s): Geotechnical Engineering and Underground Structures

2009 - Wiley | International Journal for Numerical and Analytical Methods in Geomechanics

Artigo Revisado por pares

Shih-Wei Hsiao, Mi‐Ching Tsai,

... point, noncontact measurement on the surface of the vibrator. The newly designed linear ultrasonic motor, which can offer ... fabricated to confirm the feasibility of the proposed vibrator design. The illustrated bidirectional linear ultrasonic motor is shown to ...

Tópico(s): Soft Robotics and Applications

2010 - Institute of Physics | Japanese Journal of Applied Physics

Artigo Revisado por pares

Yan Ren, Ruan Jian, Jia Wenang,

... the design and control of the electro-hydraulic vibrator. The mathematical models of hydraulic actuation mechanism and the ... waveform is less than 10%. This electro-hydraulic vibrator controlled by the multiple valves could not only greatly enhance the ...

Tópico(s): Control Systems in Engineering

2014 - China Machine Press | Chinese Journal of Mechanical Engineering

Artigo Revisado por pares

Jungsuk Kim, Seonghun Pyo, Yongrae Roh,

... titanate with rhombohedral 3 m symmetry constitutes the vibrator. The directional voltage response of the vibrator to an external force is derived, and the validity of the derived response is verified through fabrication of a piezoelectric single crystal vibrator and by comparison of its measured characteristics with the analysis results.

Tópico(s): Geophysics and Sensor Technology

2017 - Elsevier BV | Sensors and Actuators A Physical

Artigo Acesso aberto Revisado por pares

Hui Guo, Yansong Wang, Xiaolan Wang, Chi Xu,

... quarter-wavelength resonator phononic crystals together with piezoelectric vibrators. The quarter-wavelength resonator phononic crystals consist of a ... duct, several quarter-wavelength resonators, and equivalent piezoelectric vibrators. The acoustic energy is converted to mechanical energy when ... of localization efficiency, which in turns causes piezoelectric vibrators vibrating. Transfer matrix method is used to provide a physical insight into the structure band of the quarter-wavelength resonator phononic ...

Tópico(s): Noise Effects and Management

2018 - SAGE Publishing | Advances in Mechanical Engineering

Artigo Revisado por pares

Michael Reece, Joshua G. Rosenberger, Vanessa Schick, Debby Herbenick, Brian Dodge, David S. Novak,

... which gay and bisexually identified men report using vibrators, the sexual and relational situations within which they use ... used vibrators. Most men who had used a vibrator in the past reported use during masturbation (86.2%). When ... intercourse (59.4%). Men reported frequent insertion of vibrators into the anus or rectum when using them during masturbation ( ... both masturbation and partnered interactions, men overwhelmingly endorsed the extent to which vibrator use contributed to sexual arousal, orgasm, and pleasure. ...

Tópico(s): LGBTQ Health, Identity, and Policy

2010 - Elsevier BV | The Journal of Sexual Medicine

Artigo Acesso aberto Revisado por pares

Zhiqiang Huang, Xun Peng, Gang Li,

Due to the sweep excitation of the vibrator, the dynamic stiffness of the seismic vibrator has an enormous influence on the performance of the vibroseis system and the accuracy of the output ... which is defined by dynamic analysis of the vibrator. The weak link is the weakest part, which brings ... employed to find out the weak link of the vibrator, which indicates that the supporting column is the weakest component. Sensitivity analysis ... particle swarm optimization, and the dynamic stiffness of the optimized vibrator is calculated by harmonic response model. Results show ...

Tópico(s): Geotechnical Engineering and Underground Structures

2018 - SAGE Publishing | Advances in Mechanical Engineering

Artigo Revisado por pares

Takehiro Takano, Yoshirô Tomikawa,

... is proposed. By applying this method to a vibrator, the neutral axis of vibration for ((1, 1))-mode ... adjusted to the optimum state for a stator vibrator. The construction and some operational characteristics of the linear ...

Tópico(s): Aeroelasticity and Vibration Control

1995 - Institute of Physics | Japanese Journal of Applied Physics

Artigo Revisado por pares

Michal Šafář,

... the compressional stress waves radiated by a vertical vibrator. The main feature of the proposed method is that ... mud. It is shown that for a seismic vibrator radiating into hard ground the pressure of the downgoing P‐wave is 180° ... also shown that when the driving force of the seismic vibrator has a flat amplitude spectrum, the amplitude spectrum of the downgoing P‐wave falls ...

Tópico(s): Drilling and Well Engineering

1984 - Wiley | Geophysical Prospecting

Artigo Revisado por pares

Ryohei Nakamura, Yosuke Mizuno, Kentaro Nakamura,

... modulating the driving voltage amplitude applied to the vibrator. The operating principle is confirmed by measuring the acoustic ...

Tópico(s): Electrohydrodynamics and Fluid Dynamics

2013 - Institute of Physics | Japanese Journal of Applied Physics

Artigo Revisado por pares

Hiroshi Kawai, K. Atsuchi, Masaya Tamura, K. Ohwada,

... mechanical coupling to be the asymmetry of the vibrator. The new technology employs two different dc bias voltages ...

Tópico(s): Advanced Fiber Optic Sensors

2001 - Elsevier BV | Sensors and Actuators A Physical

Artigo Acesso aberto

Yi Wang, Yuan‐Shin Lee, Yi Cai, Yijia Sun, Hu Gong,

... of a hybrid longitudinal-torsional (L&T) ultrasonic vibrator. The hybrid L&T vibrator was designed using the ... used to fabricate the new hybrid L&T vibrator design. The designed hybrid longitudinal-torsional (L&T) vibrator was ... for ultrasonic vibration applications. The experiments validate that the developed L&T vibrator is able to deliver high-energy efficiency vibration in both the longitudinal and the torsional directions. The presented new ...

Tópico(s): Advanced Machining and Optimization Techniques

2020 - Elsevier BV | Procedia Manufacturing

Artigo Revisado por pares

Hiroshi Hirata, Sadayuki Ueha,

... between the electrical and mechanical parts of the vibrator. The proposed method is applied to the design of ...

Tópico(s): Dynamics and Control of Mechanical Systems

1995 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control

Artigo Revisado por pares

Rajeev Rathi, Maddireddy Chandra Gopi Reddy, Annam Lakshmi Narayana, Utlapalli Lakshmi Narayana, Md Saeedur Rahman,

... and using lubricants between the gear and the vibrator, the breakdown time was reduced. Following a successful implementation ...

Tópico(s): Operations Management Techniques

2021 - Elsevier BV | Materials Today Proceedings

Artigo Revisado por pares

Eui Seong Ha, Youhei Kawamura, Koichi Mizutani, Hirokazu Okawa, Michinori Asaka,

... the P-wave directivity of the giant-magnetostriction vibrator, the causes are assumed. To obtain good results, the ...

Tópico(s): Magnetic Properties and Applications

2007 - Institute of Physics | Japanese Journal of Applied Physics

Artigo Acesso aberto Revisado por pares

Kuo‐Tsi Chang, Minsun Ouyang,

... shock and refine an equivalent circuit of the vibrator. The shock is induced immediately after an AC sinusoidal voltage of the vibrator is switched off. Then, the transient response involves ... at the DC and AC times, respectively, and the vibrator is placed on a sponge in air. To do so, we should propose an open-circuit test to find the AC and DC times in addition to the ...

Tópico(s): Innovative Energy Harvesting Technologies

2002 - Elsevier BV | Ultrasonics

Artigo Revisado por pares

Sebastian Bake, А. В. Иванов, H. H. Fernholz, Klaus Neemann, Y. S. Kachanov,

... the instability modes in the vicinity of the vibrator, the second was based on linear stability calculations. The ...

Tópico(s): Solar and Space Plasma Dynamics

2002 - Elsevier BV | European Journal of Mechanics - B/Fluids

Artigo Revisado por pares

G-M Cheng, Kaikai Guo, Ping Zeng, Y-M Sun,

... and B 23 ) of a rectangular plate piezoelectric vibrator. The working principle was elaborated. Analytical and numerical models ... the direction of length of the rectangular piezoelectric vibrator of the motor is 37.7 r/min under the ...

Tópico(s): Iterative Learning Control Systems

2011 - SAGE Publishing | Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science

Artigo Revisado por pares

Zhonghua Zhang, Shijie Lin, Yiqun Gu, Li Zhang, Shuyun Wang, Shijie Zhai, Junwu Kan,

... of the cam, the deformation of the piezoelectric vibrator, the output voltage and the maximum voltage of the ...

Tópico(s): Energy Harvesting in Wireless Networks

2023 - Elsevier BV | Energy Conversion and Management

Artigo Revisado por pares

Nikolaos Bourbakis, Sokratis Makrogiannis, Dimitrios Dakopoulos,

... onto a low-resolution 2-D array of vibrators. The H-L scheme uses pyramidal modeling to obtain ... to the visually impaired via an array of vibrators. Particularly, the motion component is employed as an element for ... during the H-L transformation. The role of the array vibrators is to create a small-scale front representation of the space via various levels of vibrations. Thus, 3- ...

Tópico(s): Image and Video Stabilization

2013 - IEEE Sensors Council | IEEE Sensors Journal