2 to 50 Hz
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 ...
177
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 ...Group 2 received 50 Hz EMFs for 13 weeks (3 weeks via intrauterine + 10 weeks after ...
5
Effect of 50 Hz Electromagnetic Fields on the Induction of Heat-Shock Protein Gene Expression in Human Leukocytes
... Cells respond to a variety of stresses, the precise nature of the response being determined by the insult encountered. For several types of stressors, such as ionizing radiation, heat and some chemicals, the response ...
6
Characterization of an In-house Built 50 Hz Single Dielectric Barrier Discharge System Having Asymmetric Electrodes
... sustain the atmospheric pressure DBDs [2, 13]. When this energy reaches to a certain breakdown value, the glow discharge starts to grow with discrete filamentary distributions on dielectric barrier surface and ...
8
Power quality event analysis in 25 kV 50 Hz AC railway system networks
... limited periods of time (e.g. 2 and 5 minutes, respectively). This voltage is affected by the voltage changes at the primary side of the TS, those due to voltage regulation mechanisms and caused by traffic ...
6
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
Characterization and Dielectrical Study of Agi – Ag2O-P2O5-Fe2O3 Glass
... Ag 2 O-P 2 O 5 -Fe 2 O 3 ] were prepared by melt quenching ...x)P 2 O 5 -xAgI-40Ag 2 O-10Fe 2 O 3 ,[x=0,5,10,15,20,30] glasses from 50 Hz upto ...
10
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 ...
15
Original Article Effects of 50 Hz electromagnetic fields on mitochondrial DNA copy number of mesenchymal stem cells with different states
... to 50 Hz EMF at 5 mT of flux densities for 30 min, 1 h or 6 h for 2 ...for 2 days, we found that 50 Hz EMF increased mtDNA copy number of MSCs in the pluripotent state and in a ...
6
Effect of 50 Hz Electromagnetic Fields on Alpha Amylase Activity
... The effect of extremely low frequency (ELF) electromagnetic field (EMF) (50 Hz 0.5 mT) on the activity of alpha amylase (EC 3.2.1.1) was studied. In addition factors effecting the enzyme activity, ...
6
50 HZ Electromagnetic Fields Enhance Urease Activity
... mT). After exposure, the activity of the enzyme solutions was measured according to the methods explained above; parallel control experiments were performed with samples of enzyme solutions not exposed to the ...
6
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
Both ipsilateral and contralateral localized vibratory stimulations modulated pain-related sensory thresholds on the foot in mice and humans
... ipsilateral 50-Hz vibration-induced threshold modulation of the sensory threshold did not change significantly, the averaged value of the sensory threshold was gradually elevated (Figure 5B, 140% as slow ...
13
Epidemiology and economic burden of herpes zoster and post herpetic neuralgia in Italy: A retrospective, population based study
... Univariate and multiple Poisson models, with age group, sex, immune status, region and calendar year as covariates, were used to identify factors associated with an increased risk of acquiring HZ and PHN. As ...
11
The extensor tibiae muscle of the stick insect: biomechanical properties of an insect walking leg muscle
... of 50·ms immediately after the end of the oscillations for calculating maximum contraction velocity; plotting this velocity versus the isotonic force level gives the muscle’s force–velocity characteristic or Hill ...
17
Laser micro welding of dissimilar material of aluminum and copper alloys
... It is suggested that, this phenomenon happened due to melted metals contraction. The metals contracted in horizontal direction and tend to create gap between the joining surfaces. When the two metals were clamped ...
5
Analysis of scientific collaboration in Chinese psychiatry research
... (Fig. 2), in- dicating that the collaborative network was regional, whereby research institutions in close geographical prox- imity were more likely to collaborate, the abbreviations of the geographic name and the ...
9
Improvement of diaphragm and limb muscle isotonic contractile performance by K+ channel blockade
... 20 Hz causing greater degree of contractile fusion in slower muscles such as the soleus compared with fas- ter muscles such as the ...20 Hz stimulation (without DAP), soleus contractions are already quite ...
9
A Review on Modelling of the Maximum Lagging Current Test Method of Salient Pole Synchronous Machines
... This section is devoted to proving the maximum lagging current test method of X q parameter measurement that its final result has been represented in Eq. (2). Let us divide this section into two subsections. In ...
10
Spectral Analysis of ECG Signal for Detection of Power Line Interference
... Recordings are often contaminated with power-line interferences of different characteristics. These interferences need to be detected prior to most filtering techniques to minimize the risk of signal distortion. Spectrum ...
5