Results 51 to 60 of about 849,754 (203)

Apparatus for controlling the velocity of an electromechanical drive for interferometers and the like Patent [PDF]

open access: yes, 1970
Describing device for velocity control of electromechanical drive mechanism of scanning mirror of ...
Nichols, G. B.
core   +1 more source

New records of Heterocera (Insecta, Lepidoptera) from the Republic of Khakassia and South of Krasnoyarsk region (South Siberia, Russia)

open access: yesActa Biologica Sibirica, 2019
Here we presented the new data and new records of Lepidoptera (Crambidae, Cossidae, Lasiocampidae, Drepanidae, Geometridae, Notodontidae, Noctuidae s.l., Arctiidae) from the Khakassia Republic and the South of Krasnoyarsk region.
R. E. Maksimov   +2 more
doaj   +1 more source

Ionizing radiation in electronics from the Compton scattering of quasi-stationary particles generated by characteristic and Bremsstrahlung x rays

open access: yesAIP Advances, 2020
Characteristic x rays generated by a collision between a tungsten target and relativistic electron beams generated from a compact electrostatic accelerator based on a Marx generator and a Blumlein pulse-forming line can induce transient ionizing ...
Sun-Hong Min   +17 more
doaj   +1 more source

Fast Thermo-reflectance Bolometry [PDF]

open access: yes, 2003
We present a new approach to bolometry based on the measurement of the optical reflectivity change of a thin metal layer deposited on a transparent substrate.
Boller, K.J.   +3 more
core   +1 more source

Correlations in Transmission of Light through a Disordered Amplifying Medium

open access: yes, 1998
The angular and frequency correlation functions of the transmission coefficient for light propagation through a strongly scattering amplifying medium are considered.
A. A. Burkov   +20 more
core   +2 more sources

Automatic frequency control of voltage-controlled oscillators [PDF]

open access: yes, 1969
Optical-capacitive coupling is used for isolation of control voltages, such as the high-voltage level of a klystron control electrode that is not referenced to ground, to serve as error voltages referenced to system ground so that the magnitude and sense
Kolbly, R. B.
core   +1 more source

High Speed Sintering – Continuing Research into a New Rapid Manufacturing Process [PDF]

open access: yes, 2006
High Speed Sintering (HSS) is an emerging layer manufacturing technique aiming to break into the lucrative field of Rapid Manufacturing (RM). The process is likened to Selective Laser Sintering (SLS), however, instead of a laser dictating the sintered ...
Erasenthiran, Poonjolai   +2 more
core   +1 more source

Non destructive investigation of defects in composite structures by three infrared thermographic techniques [PDF]

open access: yes, 2012
This paper investigates full-field measurement techniques based on Infrared Thermography for Non Destructive Testing (NDT) applications on composite materials.
Dalverny, Olivier   +5 more
core  

Design of A Thermoelectric Generator for Battery Charging using Heat from A Steam Iron Base

open access: yesJurnal ELTIKOM: Jurnal Teknik Elektro, Teknologi Informasi dan Komputer
This study explores an alternative method of generating electrical energy using a thermoelectric generator that utilizes heat from the soleplate of a steam iron and six thermoelectric units connected in series.
Delta Sundari   +7 more
doaj   +1 more source

Frequency division multiplex technique [PDF]

open access: yes, 1973
A system for monitoring a plurality of condition responsive devices is described. It consists of a master control station and a remote station. The master control station is capable of transmitting command signals which includes a parity signal to a ...
Brey, H.
core   +1 more source

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