As a result, these spectra can be used to detect, identify and quantify information about the atoms and molecules. Spectroscopy is also used in astronomy and remote sensing on Earth. Most research telescopes have spectrographs.
Home hemodialysis is hemodialysis that a person can do at home using a special machine. A nurse from a dialysis clinic can teach a person how to do hemodialysis at home. The person does not have to buy the machine. A person can choose the schedule for home hemodialysis. The three types of home hemodialysis are. standard home hemodialysisâthree times a week or every other day for 3 to 5 hours at a time. short daily hemodialysisâ5 to 7 days per week for 2.5 to 4 hours at a time.
More types of electronic devices include answering machines, beepers or pagers, defibrillators, video displays, dongles, doublers, multiplexes, trackballs, artificial pacemakers and monitors. An answering machine is a device that answers the telephone and records messages. A generator is an electronic device used for producing a signal voltage. A digital scanner, or image scanner, is an electronic device that generates a digital representation of an image for data input to a computer. A trackball is an electronic device consisting of a routable ball in housing.