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Attenuation is loss of energy, expressed as change in intensity, as the energy travels through a medium. Ultrasound intensity is measured in watts per square centimeter. Decibels are used to express difference between ultrasound intensities...
article, a couple of Cornell scientists depicted computer programs that sieves unrefined plus imperfect data to expose basic laws of nature. Hod Lipson who is a computer lecturer informed about this computer technology and said that this wa...
ultrasound to create two-dimensional, sectional images. Basically, a transducer pulses energy into a patient for a very short period of time and follows this pulse with a long silent period allowing the transducer to "listen" for returning ...
physics involved in ultrasounds. It will also discuss what an ultrasound is, the medical and general uses of ultrasounds, benefits and risks and also limitations of ultrasounds. Ultrasound or ultrasonography is a medical imaging technique t...
two things of distinct mass, you will get distinct accelerations (changes in motion). The result (acceleration) on the lesser mass will be larger (more noticeable). The result of a 10 Newton force on a baseball would be much larger than tha...
machine with two specific characteristics; it responds to a specific set of instructions in a well-defined manner, and it can execute a prerecorded list of instructions, known as a program. Personal computers were first introduced into the ...
force, bending moment and stress due to bending in simply supported beam shown in the figure below, the beam has a self weight of 90kN distributed along its length. Answer The formula to calculate average shear stress is: Where t = the shea...