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529.564  Articles
1 of 52.957 pages  |  10  records  |  more records»
A fully integrated regulated charge pump is designed in 1.2/2.5-V 90-nm CMOS technology. The charge pump exploits two control schemes to provide stable output voltage with small ripple output voltage and high current load drivability. The first is automat... see more

Introduction. The heart rate variability (HRV) is based on measuring (time) intervals between R-peaks (of RR-intervals) of an electrocardiogram (ECG) and plotting a rhythmogram on their basis with its subsequent analysis by various mathematical methods wh... see more

ELF (Extremely Low Frequency) magnetic field is a spectrum of electromagnetic waves, where the frequency is less than 300 Hz and includes non-ionizing radiation. This study aims to examine the effect of exposure to ELF (Extremely Low Frequency) magnetic f... see more

The purpose of the research was the analysis of the relationship between the anthropometric variables and body composition and frequency of SEMG rectifier of the spine in children with scoliosis and scoliotic attitude. Backbone has been examined by optoel... see more

Background: There is an increasing interest in using physical factors such as magnetic fields as antimicrobial strategy, with variable results. The current study was aimed to evaluate the influence of extremely low-frequency electromagnetic fields (ELF-EM... see more

Energy conservation is beneficial not only to reduce consumption and the cost of energy consumption, but also to give a better impact on the environment. In this study a simulation model is created which is a reflection of the relationship con-dition betw... see more

Variable Frequency Microwave (VFM) is known to be a rapid, volumetric, and selective form of heating which has shown potential as an alternative technique for the processing of negative-tone SU8 photoresist in the Micro-Electro-Mechanical System (MEMS) in... see more

The mathematical model of the frequency converter cable branch as a part of the mine section power network with a single phase-to-ground fault is clarified. The model takes into account a discrete nature of the output voltage and power switches commutatio... see more

Background: The assessment of food intake is challenging and prone to errors; it is therefore important to consider the reliability and validity of the assessment methods.Objective: The aim of this study was to analyze the reproducibility and validity of ... see more

1 of 52.957 pages  |  10  records  |  more records»