20 to 50 Hz
Eye movement dynamics in the dogfish
... Pulse trains were delivered at a constant frequency in the range 0-50 Hz, or sinusoidally modulated between 0-20 Hz at modulation frequencies in the range 0-01-1 Hz Fig.. Eye movements p[r] ...
8
Effect of 50 Hz Electromagnetic Fields on Alpha Amylase Activity
... containing the enzyme and the substrate was kept in the field for 20 minutes, and enzymatic activity was measured for 20 minutes in the presence of the field with the help of the standard graph (Fig. 2). ...
6
Optical Characterization of 50 Hz Atmospheric Pressure Single Dielectric Barrier Discharge Plasma
... For the determination of kT e and n e , the DBD induced spectroscopy is carried out using a computer controlled system consisting of an Ocean Optic Spectrometer (HR: 4000 CG UV-NIR) and an optical fiber. This ...
15
Rat adipose-derived mesenchymal stem cells aging reduction by zinc sulfate under extremely low frequency electromagnetic field exposure is associated with increased telomerase reverse transcriptase gene expression
... can prevent the aging of ADSCs under 50 Hz, 20 ELF-EMF by increasing TERT gene expression and ADSCs aging reduction. Although the underlying mechanism remains unclear, but few studies have been ...
8
Electrical treeing in XLPE insulation in frequency range between 20 and 500 Hz
... from 20 Hz, 50 Hz and 500 Hz are reported here to limit the length of the paper as the results from 100 Hz and 300 Hz are similar to those from 50 Hz and 300 ...
6
Simulative verification of a novel semi-active broadband energy harvester
... The simulation and measurement results presented in sec- tion 3 confirm the functionality and broadband characteris- tics of pendulum-based energy harvesters. In addition, the proposed mechanism for accelerating the ...
8
Space charge and charge trapping characteristics of cross linked polyethylene subjected to ac electric stresses
... One possible explanation is the contribution of space charge on ac ageing is speculated to be mainly due to the fatigue mechanism associated with the electromechanical energy stored or released in trapping/detrapping as ...
9
Characterization of an In-house Built 50 Hz Single Dielectric Barrier Discharge System Having Asymmetric Electrodes
... The OES is carried out using a computer controlled system consisting of an Ocean Optic Spectrometer (HR: 4000 CG UV-NIR) and an optical fiber. The optical resolution of the spectrometer is 0.025 nm and the wavelength ...
8
Effect of 50 Hz Electromagnetic Fields on the Induction of Heat-Shock Protein Gene Expression in Human Leukocytes
... A total of six experiments were performed. In three, the maximum magnetic field was at the bottom of the stack (orientation A); the maximum field was at the top of the stack in the remainder (orientation B). Samples at ...
6
The Using of Controlled Cavitation Processes in Some Engineering and Agricultural Applications
... The block of generation consists of the generator of impulses of a special form and frequency, the block of a signal strengthening capacity and the control panel [CAVITATION ENERGY CONVERTER, PPA USA 61/745,772 from ...
6
Improvement of diaphragm and limb muscle isotonic contractile performance by K+ channel blockade
... at 20 Hz, and b) deter- mination of the extent to which DAP improves isotonic contractions over time during fatigue-inducing stimula- ...of 20 Hz was chosen for both portions of the present ...
9
Effects of concurrent visual tasks on cortico-muscular synchronization in humans
... attentional division was needed (Ignore condition). Any change in the coherence value was not due to force level contraction as our results showed that subjects performed the isometric contraction with equal force. In ...
12
Shielding effectiveness of mesh wire for 50hz magnetic field
... TITLE SE measured B-field for the Mild Steel wire mesh shield at 50 Hz SE Expected B-field for the Mild Steel wire mesh shield at 50 Hz Magnetic flux density B measured at different po[r] ...
37
Equal Switching Distribution Method for Multi Level Cascaded Inverters
... Simulation results, current and voltage waves and their spectra, while the modulation frequency is 50 Hz, the carrier frequency 1050 Hz, and the modulation index is 0.1 there are 13 volt[r] ...
10
Power quality event analysis in 25 kV 50 Hz AC railway system networks
... of 50 Hz electrical grids, are sufficient for accurate evaluation and classification of the PQ parameters of phenomena, such as voltage dips, swells and interruptions, present in 25 kV AC traction ...kV ...
6
A SRF PLL Control Scheme for DVR to Achieve Grid Synchronization and PQ Issues Mitigation in PV Fed Grid Connected System
... Phase locked performances: a Three-phase grid voltage signal with the frequency of 50 Hz; b Multi-level inverter output voltage; c Phase locked process when grid voltage is 50 HZ; d Gene[r] ...
20
A New Approach for Transformer Interturn Faults Detection Using Vibration Frequency Analysis
... To calculate forces experimentally, a new method based on vibration analysis is used. First, transformer is modelled with a mass-spring equations that is described in Section 3.2. In experimental test, a 1% fault is ...
15
Frequency Content Signatures for Letter Writing: Normal and Dyslexic Children
... Dyslexia severely impedes specific learning disabilities, reading and writing in particular, owing to impairment of the language processing area located in the left hemisphere of the human brain. It poses a stumbling ...
7
The Frequency Response of Counterflow Diffusin Flames
... In fact, for most of the sequences shown in Figure 7-2 the profile is very dissimilar to that of the steady profile in shape and magnitude except for the 50, 60 and 70 % sampling locations. The changes in the LII ...
177
Autistic traits, resting-state connectivity, and absolute pitch in professional musicians: shared and distinct neural features
... Absolute pitch (AP), the ability to name or produce a musical tone without the use of a reference tone [11], is a common special ability in professional musicians with a proportion of up to 7–25% [12–14] but less than 1% ...
18