Results 211 to 220 of about 136,577 (264)

Direct Photocurrent Detection of Optical Vortex Based on the Orbital Photo Galvanic Effect: Progress, Challenge, and Perspective. [PDF]

Adv Sci (Weinh)
Cheng J, Yang D, Wang W, Xu C, Fan Z, Sun D.   +5 more
europepmc   +1 more source

Piezomagnetoelectric effects in a candidate Kitaev magnet. [PDF]

Nat Commun
Kocsis V, Luther S, Pérez N, Yao W, Kühne H, Wolter AUB, Li Y, Büchner B.   +7 more
europepmc   +1 more source

A Non-Contact Electrostatic Potential Sensor Based on Cantilever Micro-Vibration for Surface Potential Measurement of Insulating Components. [PDF]

Sensors (Basel)
Chen C, Zhou R, Zhang Y, Li Y, Wang Q, Liu P, Peng Z.   +6 more
europepmc   +1 more source

A compact two-electrode field-emission X-ray source for soft X-ray spectroscopy applications. [PDF]

J Synchrotron Radiat
Li J, Wang Y, Yu P, Meng J, Weng T.
europepmc   +1 more source

High-speed Si-Ge avalanche photodiode with a gain-bandwidth product of 7564 GHz. [PDF]

Nat Commun
Xue J, Cheng C, Bao S, Liu Q, Zhang W, Wang B.   +5 more
europepmc   +1 more source

Layer-specific electric fields and effective conductivity in nonhuman primates during transcranial electrical stimulation. [PDF]

Brain Stimul
Lee S, Falchier A, Opitz A.
europepmc   +1 more source

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Evaluating measurement uncertainty in electric current measurement in PQ determination

Eurocon 2013, 2013
The determination of power quality levels, through objective approach, is based on recordings of measurement information. For a more complete characterization of power quality parameters, the measurement process is required to include measurements of the alternating current as well, as specified in IEC 61000-4 series regulations "Electromagnetic ...
Niculai Stanciu, Dorel Stanescu, Willibald Szabo   +2 more
openaire   +1 more source

Direct Current Electrical Measurements

2016
The physical quantities of interest in continuous current (DC) circuits are the voltage of nodes and the current flowing through branches. In addition, for the circuit analysis, the knowledge of the resistance value of its components is necessary. The instruments used to measure current intensity are the ammeters; those to measure voltage are the ...
Rosario Bartiromo, Mario De Vincenzi
openaire   +1 more source

Electrical current measurements on polystyrene films

Journal of Physics D: Applied Physics, 1974
Currents decaying with time according to a 1/t law were observed in polystyrene films when a direct voltage was applied. Upon voltage removal, discharge currents were recorded, equal in magnitude to the charge currents. The currents were strongly dependent on the texture of the edges of the evaporated gold electrodes.
U Lachish, I T Steinberger
openaire   +1 more source

The Measurement of Electric Current and Voltage

2018
Textbooks on mechanics usually begin with the concepts of length, time, and mass. The measurement apparatus which has been tried and tested in everyday life is described, i.e. rulers, clocks and balances, and they are immediately put to use. No one uses a sundial or a water clock for the first experiments, or even a slave who is beating time.
Klaus Lüders, Robert Otto Pohl
openaire   +1 more source