50 Hz
Original Article Effects of 50 Hz electromagnetic fields on mitochondrial DNA copy number of mesenchymal stem cells with different states
... whether 50 Hz EMF affected mtDNA copy number of MSCs or increased mtDNA copy number of MSCs during differenti- ation, and if so, to determine time-dependent data for this ...at 50 Hz for 30 ...
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Optical Characterization of 50 Hz Atmospheric Pressure Single Dielectric Barrier Discharge Plasma
... few Hz to few kHz require very simple or no impedance matching network which makes these systems more practical for industrial ...with 50 Hz ac input can be used to generate and sustain atmospheric ...
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The Effects of 50 Hz Electromagnetic Fields Induction of Apoptosis in Rat Ovarian Follicles
... received 50 Hz EMFs for 8 weeks (3 weeks via intrauterine + 5 weeks after ...received 50 Hz EMFs for 13 weeks (3 weeks via intrauterine + 10 weeks after ...
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Pre and post natal exposure of 50 Hz electromagnetic fields on prostate glands of rats: an electron microscopy study
... The equipment was based on Helmholtz coil which works following Fleming's right hand rule. It produced an alternate current of 50 Hz frequency creating an EMF of 80 G. The intensity of EMF could be ...
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The effect of Non- ionizing electromagnetic field with a frequency of 50 Hz in Rat ovary: A transmission electron microscopy study
... EMF prevents the formation and differentiation of neural stem cells during embryonic development (14). ELF-EMF has significant effect on basic neural functions and synaptic plasticity (15). Increasing number of skeletal ...
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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 ...
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Characterization of an In-house Built 50 Hz Single Dielectric Barrier Discharge System Having Asymmetric Electrodes
... (50 Hz) ac source consisting of a conventional step up transformer and a variac might be the best choice for generation of ambient air DBDs ...few Hz to few kHz require a simple or no impedance ...
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Power quality event analysis in 25 kV 50 Hz AC railway system networks
... monitoring 50 Hz electrical grids are sufficient for an accurate evaluation and classification of PQ parameters of voltage dips, swells and interruptions present in 25 kV AC ...
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50 HZ Electromagnetic Fields Enhance Urease Activity
... V, 50 Hz duty cycle and the field intensity ...15 Hz to 10 KHz and with an accuracy of ± 1%) the gauss meter was connected to a computer (laptop) with a RS 232 interface and using Microsoft Visual ...
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Static and 50 Hz Electromagnetic Fields Effects on Human Neuronal Like Cells Vibration Bands in the Mid Infrared Region
... and 50 Hz electromagnetic fields at the intensities of 2 mT and 1 mT, ...and 50 Hz electromagnetic fields, the vibration bands of CH 2 methilene group increased significantly after both ...
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Effect of 50 Hz Electromagnetic Fields on Alpha Amylase Activity
... glutamyltransferase enzyme activity in the liver. The glutathione S-transferase enzyme activity and lipid peroxidation level in the liver were significantly increased while a significant decrease in hepatic glutathione ...
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4) Start the Function Generator. Set channel 1 to a 50 Hz square wave, with a 0 DC offset and peak to peak
... 5 Go through the above steps to use the cursors to estimate the time constant, then include a screen capture in your memo, export the data and use Matlab to plot the result again.. This [r] ...
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A 50 Hz solar powered D C To A C Inverter
... The filter's role in the circuit is to convert the square voltage waveform, produced at the secondary of the transformer, into a sinusoidal waveform that meets the required standards, to[r] ...
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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 ...
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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] ...
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Spectral Analysis of ECG Signal for Detection of Power Line Interference
... Figure 2 gives the power spectral density using Welch method which detects 50 Hz PLI with a strength measure of 2.56... Test signal with 50 Hz PLI..[r] ...
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Anticonvulsant Effect of Cicer arietinum Seed in Animal Models of Epilepsy: Introduction of an active Molecule with Novel Chemical Structure
... The electrical stimulus (50 mA, 50 Hz, 1-s duration) was applied through ear clip electrodes using a stimulator apparatus. Six groups of 10 mice each pretreated i.p. with the extract (2, 4, and 5 ...
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The extensor tibiae muscle of the stick insect: biomechanical properties of an insect walking leg muscle
... variation than one would expect for such a high variability of force. A systematic preparation error that might lead to a stronger variation in activation is also rather unlikely because (1) variation is higher for ...
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Effects of concurrent visual tasks on cortico-muscular synchronization in humans
... – 50 Hz and 13 – 30 Hz and increase in the 4 – 7 Hz spectral powers of oscillatory signals from electrodes overlying the frontal areas (Experiment ...12 Hz power and decreased 31 – ...
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Influence of Steel Non-Linearity in Assessing 50-60 Hz Interference on Pipelines
... The example studied consists of a buried pipeline (6.167 km long and earthed at its terminal points) under the induction by a 380 kV–50 Hz power line which is 12.1 km long and in fault condition; the fault ...
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