Results 71 to 80 of about 4,536 (193)

Plasma heating by magneto-acoustic waves [PDF]

open access: yes
Using magnetosonic resonance for plasma ...
Kovan, I. A.
core   +1 more source

Calling songs of certain orthopteran species (Insecta, Orthoptera) in southern Portugal [PDF]

open access: yesAnimal Biodiversity and Conservation, 2001
The calling songs produced by males of the Orthoptera occurring at the field station “Herdade da Ribeira Abaixo” (Centre for Environmental Biology), in Grândola (southern Portugal), are described.
Oliveira, P. A. P.   +2 more
doaj  

Investigation of the dynamic characteristics of the pneumatic-mechanical drive of the installation movements of machine mechanisms

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The creation of new and improvement of existing machines and mechanisms requires the development of drive engineering and the creation of new drive systems capable of competing with currently known circuit solutions.
S. P. Prikhodko   +2 more
doaj   +1 more source

ABS Pneumatic Modulator Control for the Truck Hill Start in the Automatic Mode of the Power Unit

open access: yesМеханика машин, механизмов и материалов, 2018
The paper shows the principle scheme of truck mechatronic control system with hill-hold capability, it also describes control strategy of ABS pneumatic modulator as hill-start system in automatic mode of power unit.
Van Nghia Le
doaj  

High-Voltage Overhead Power Line Fault Location Through Sequential Determination of Faulted Section

open access: yesTechnologies
Overhead power lines (OHPLs) represent the backbone of electric power systems and connect generation sources with consumers. The power supply reliability and maintenance costs of power grids largely depend on accurate fault location on OHPLs, as this ...
Aleksandr Kulikov   +4 more
doaj   +1 more source

Inverter-converter automatic paralleling and protection [PDF]

open access: yes
Electric control and protection circuits for parallel operation of inverter ...
Doughman, C. L.   +2 more
core   +1 more source

Improved transistor-controlled and commutated brushless DC motors for electric vehicle propulsion [PDF]

open access: yes
The development, design, construction, and testing processes of two electronically (transistor) controlled and commutated permanent magnet brushless dc machine systems, for propulsion of electric vehicles are detailed. One machine system was designed and
Demerdash, N. A.   +3 more
core   +1 more source

KERAGAMAN SUARA KODOK PURU BESAR {Phrynoidis Aspera (Gravenhorst, 1829)} ASAL JAWA BARAT* [Various Calls Type of Giant River Toad {Phrynoidis Asper (Gravenhorst, 1829)} From West Java] [PDF]

open access: yes, 2013
Giant River Toad {Phrynoidis aspera (Gravenhorst, 1829)} is a largest generalist toad that is able to adapt to a variety of habitats and elevations. The complete calls of Giant River Toad had not been published before.
Kurniati, H. (Hellen)
core  

Initial results from the NASA-Lewis wave rotor experiment [PDF]

open access: yes
Wave rotors may play a role as topping cycles for jet engines, since by their use, the combustion temperature can be raised without increasing the turbine inlet temperature. In order to design a wave rotor for this, or any other application, knowledge of
Fronek, Dennis, Wilson, Jack
core   +1 more source

TO A PROBLEM ON A NONHOLONOMIC CONSTRAINT IN A DRIVE OF A BEATER DRUM OF THE GRAIN COMBINE IN AN ACCELERATION CONDITION

open access: yesAdvanced Engineering Research, 2008
In paper the equations of a nonholonomic constraint of the second order which exhibits the properties at turning on lenix a flexible drive in a drive of a thrasher of the grain combine are gained.
V.V. RADIN, M.S. KURUCHUK, S.V. GNUTOV
doaj  

Home - About - Disclaimer - Privacy