POINT-OF-CARE ULTRASOUND IN NEPHROLOGY: A MESSAGE FROM YOUNG NEPHROLOGISTS


Optical lenses and magnification in archery*

The use of optical lenses to increase or magnify a target of concern is commonly used in compound bow archery.The principles and factors that may influence the use of these lenses may, however, not be fully understood by archers.Two types of lens systems, CC Cream the one-lens system and the two-lens system, as described by the authors, may be used

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Estimation of the Time-Variant Velocity of a Single Walking Person in Two-Dimensional Non-Stationary Indoor Environments Using Radio-Frequency Techniques

Accurate estimation of the time-variant (TV) velocity of moving persons/objects in indoor spaces is of crucial importance for numerous wireless indoor applications.This Tuning Forks article introduces a novel iterative procedure to estimate the TV velocity, i.e., TV speed and TV angle-of-motion (AOM), of a single moving person in 2D indoor environm

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