Results 221 to 230 of about 2,998,373 (268)

Metasurface-integrated atomic magnetometer using single-frequency dual beams. [PDF]

Nanophotonics
Li R, Sun S, Zhang J, Li J.
europepmc   +1 more source

Polariton condensate far-detuned from exciton resonance in WS₂ bound states in the continuum. [PDF]

Nat Commun
Sung J, Kim J, Lee HS, Choi WH, Jeong M, Lee J, Kim S, Shin DJ, Choi D, Rho J, Gong SH, Song HG.   +11 more
europepmc   +1 more source

Årsrapport pensumlistekonsortiet 2018

, 2019
Unit
core  

The advancement of Brillouin Light Scattering with the assistance of nanoplasmonic structures. Enhancement and amplification

Bortchagovsky E, Chumak A, Lozovski V.
europepmc   +1 more source

Testing of a Modular Unit of Cryosorption Pump for LHD-Neutral Beam Injector

Testing of a Modular Unit of Cryosorption Pump for LHD-Neutral Beam Injector
openaire   +1 more source

Design Research on Working Mechanism of Beam Pumping Unit

Applied Mechanics and Materials, 2010
Based on the unique geometry and mechanical movement of beam pumping unit, this paper presented a simple swing equation and computed motorial parameter, meanwhile under the conditions of the static load and inertial load of the polished-rod of a conventional pumping unit, it also presented an equivalent dynamic model of the pumping unit system and the ...
Jun Liu, Jiang Zhu
exaly   +3 more sources

The Research on Modular and Parametric Design System for Beam Pumping Unit

Applied Mechanics and Materials, 2011
This paper presents the idea that is the combination of beam pumping unit modular and parametric design by domestic beam pumping unit modular design research status. Based on functional approach, it collects the main structural characteristics parameters of serial module divided and does the parametric design.
Wen Jie Niu
exaly   +3 more sources

An Explicit Analysis Method for Walking-Beam Oil Pumping Unit

Applied Mechanics and Materials, 2010
Based on the theory of linear transformation and vector operations, an explicit analysis method is proposed for walking-beam oil pumping unit, which overcomes the difficulties of traditional method: roots discriminating of quadratic equations method and angle quadrant discriminating trigonometric functions method.
Xian Yue Gang, Cui Hua He, Shu Feng Wang, Yue Han   +3 more
openaire   +2 more sources

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Experiment Researches of Power Equilibrium Technology for Beam Pumping Unit

Springer Series in Geomechanics and Geoengineering, 2021
A new technology of power equilibrium control is put forward to figure out these problems of beam pumping unit under a constant speed, such as large load fluctuation range, big vibration and poor dynamic performance. The basic principle is that the motor rotation speed is changed in real-time according to the changes to the polished rod load within ...
Xing Qi
exaly   +2 more sources