نتایج جستجو برای: lfo
تعداد نتایج: 134 فیلتر نتایج به سال:
AN OXIDIZED FAT CONTAINING DIET DECREASES WEIGHT GAIN BUT INCREASES ADIPOSITY IN MICE FED A LOW FAT DIET by Mary Schneider Introduction: Fast and convenience foods are abundant, relatively inexpensive, and accommodating to the fast-paced lifestyle of many Americans. One popular method of cooking used by many fast food establishments is deep-fat frying. Soybean oil is commonly used for frying an...
Bioavailability of glabridin was elucidated to show that this compound is one of the active components in the traditional medicine licorice. Using a model of intestinal absorption, Caco-2 cell monolayer, incorporation of glabridin was examined. Glabridin was easily incorporated into the cells and released to the basolateral side at a permeability coefficient of 1.70+/-0.16 cm/s x 10(5). The rel...
Abstract This study explains the dynamics of non-state actors’ involvement in implementing a land redistribution program Cipari, Cilacap, Indonesia. The urgency this is massive actors implementation programs while lacking analysis found for dimension horizontalism public policies, especially related to as part reform policy focuses on actors, role Street-Level Bureaucrats (SLBs), and relationsh...
The brain remains electrically and metabolically active during resting conditions. The low-frequency oscillations (LFO) of the blood oxygen level-dependent (BOLD) signal of functional magnetic resonance imaging (fMRI) coherent across distributed brain regions are known to exhibit features of this activity. However, these intrinsic oscillations may undergo dynamic changes in time scales of secon...
An electric railway system is a typical single-phase grid-connected converter system, and the low-frequency oscillation (LFO) phenomenon in systems has been widely reported around world. Previous research indicated that LFO small-signal instability issue caused by impedance mismatching between traction network trains. Therefore, this paper proposes an improved q-axis current control method to r...
The wide adoption of a new type electric trains results in multiple frequency-scale instability problems, such as low-frequency oscillation (LFO), harmonic resonance, and instability. Among them, LFO has been commonly reported at railway depots with multiple-energized around the whole world, thus attracting widespread research attention. LFOs cause adverse effects on system stability protection...
Tinnitus, a phantom ringing, buzzing, or hissing sensation with potentially debilitating consequences, is thought to arise from aberrant spontaneous neural activity at one or more sites within the central nervous system; however, the location and specific features of these oscillations are poorly understood with respect to specific tinnitus features. Recent resting-state functional magnetic res...
in this paper, the unified power flow controller (upfc) is enhanced with a chaotic particle swarm optimization (cpso) damping controller in order to mitigate the low frequency oscillations (lfo) in a single machine infinite bus (smib) power system. the designed damping controller is an optimized lead-lag controller, which extracts the speed deviation of the generator rotor and generates the out...
The structural and magnetic properties of LaMnO 3 /LaFeO (LMO/LFO) heterostructures are characterized using a combination scanning transmission electron microscopy, energy-loss spectroscopy, bulk magnetometry, resonant x-ray reflectivity. Unlike the relatively abrupt interface when LMO is deposited on top LFO, with reversed growth order shows significant cation intermixing Mn 3+ Fe , spreading ...
The grid-connected dual-PWM adjustable speed drives (ASDs) modulate the energy of motor torque oscillation and inject it into power system, potentially causing low-frequency (LFO) in grid. In this study, considering harmonic common-modulation both-side converters, precise sequence impedance models are derived for ASDs using linearisation method. Based on ASD, oscillation, which is equivalent to...
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