matriculant in a chiropractic college after September 1, 1969, shall be. required to complete a two-year course of instruction in a liberal arts col-. lege or its equivalent, followed by a course of instruction in a chiropractic. college in the treatment of human ailments, such course, as a prerequisite. to graduation therefrom, having been not less than 132 weeks in duration.
Einsteinium is used only in highly specialized laboratories for research. It is an element that is found in the debris from hydrogen bombs. But, there are very few actual uses for einsteinium besides scientific research.One isotope is used in the calibration process of the chemical analysis spectrometer in a lunar probe.t is an element that is found in the debris from hydrogen bombs. But, there are very few actual uses for einsteinium besides scientific research. One isotope is used in the calibration process of the chemical analysis spectrometer in a lunar probe.
Xenon lamps are also used in ruby lasers. Xenon ion propulsion systems are used by several satellites to keep them in orbit, and in some other spacecraft. Xenon difluoride is used to etch silicon microprocessors. It is also used in the manufacture of 5-fluorouracil, a drug used to treat certain types of cancer.