Transanal Hemorrhoidal Dearterialization With Doppler Arterial Identification Versus Classic Hemorrhoidectomy: A Retrospective Analysis of 270 Patients [PDF]
Annals of Coloproctology, 2019 Purpose Despite the minimally invasive nature of transanal hemorrhoidal dearterialization (THD) with Doppler arterial identification procedures, hemorrhoidectomy is still considered the gold standard procedure for hemorrhoidal disease.
Vincenzo Consalvo +2 more
doaj +1 more source
Two-level DPC strategy based on FNN algorithm of DFIG-DRWT systems using two-level hysteresis controllers for reactive and active powers [PDF]
Renewable Energy Research and Applications, 2021 In this paper, a novel switching table (ST) of the twelve sectors direct power command (DPC) strategy of doubly-fed induction generator (DFIG) based dual rotor wind power (DRWP) is proposed using two-level hysteresis controllers for reactive and active ...
H. Benbouhenni
doaj +1 more source
小型円筒リニアモータの推力と高調波歪みに関する研究と考察 [PDF]
, 2014 In recent years, the miniaturization of a linear motor has progressed by the chip mounter the miniaturization of a conveying machine, or the loading demand to a special use. There is a case where a smooth drive is required in it.
脇若, 弘之 +2 more
core +1 more source
THD analysis using Three and Five Level Inverter [PDF]
, 2023 The main disadvantage of Inverters is total harmonic distortion (THD) and harmonics. In this article, harmonics and THD are examined. A stepped multilevel inverter topology is used to suppress the harmonics generated at the inverter output.
Prof. S. R. Jagtap +2 more
core +2 more sources
Clustering phenomena of implants in tungsten observed with THDS [PDF]
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1985 A W(100) single crystal was irradiated with 5-10 keV of different metallic species (Ag, Cu, Cr, Mn, Al and In). Subsequently the crystal was annealed at temperatures ranging from room temperature to 2400 K. Thermal helium desorption spectrometry (THDS) was applied to monitor the dissociation and clustering reactions of defect complexes either formed at
Kolk, G.J. van der +3 more
openaire +2 more sources
THD Analysis in Closed-Loop Analog PWM Class-D Amplifiers [PDF]
Journal of Electrical and Computer Engineering Innovations, 2014 In this paper, we investigate the parameters affecting Total Harmonic Distortion (THD) and Power Supply Rejection Ratio (PSRR) in PWM Class D Amplifiers (CDAs) on the basis of linear models with feedback.
P. Amiri, M. Kohestani, M. Seifouri
doaj +1 more source
Special conditions in the treatment of hemorrhoidal disease. The advantages of THD-RAR in the treatment of hemorrhoidal disease in these situations [PDF]
Romanian Medical Journal, 2020 Introduction. The prevalence of hemorrhoids in the general population ranks first among benign anorectal diseases. In the last 20 years, however, the number of cases operated for hemorrhoidal disease has decreased and consequently the experience of ...
Romica Mehic +4 more
doaj +1 more source
ANALYTICAL CURRENT THD EVALUATION FOR THREE-PHASE VOLTAGE SOURCE INVERTERS [PDF]
, 2020 This study addresses the calculation of current total harmonic distortion (THD) for three-phase (3P) pulse-width modulation (PWM) inverters. First, it demonstrates how an analytical approach to PWM current ripple normalised mean square (NMS) calculation ...
Akhmetov, Zhansen +3 more
core +1 more source
A Closed-form Expression to Estimate the Uncertainty of THD Starting from the LPIT Accuracy Class
Sensors, 2020 Power quality is a wide-ranging and current topic that involves a huge effort from the scientific community. Power quality issues have to be avoided or solved in order to preserve the integrity of the network and its assets.
Alessandro Mingotti +2 more
doaj +1 more source
Revista de Iniciación Científica, 2022 En este documento se desarrollan algunos métodos específicos para llevar a cabo un clasificador que sea capaz de identificar manatíes adultos y cría de distintos audios.
Jaira Morales +2 more
doaj +1 more source