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.
Einsteinium is a synthetic element (not found in nature) with an atomic number 99 and symbol Es. The element was discovered in 1952 in Berkley, California, by G.G. Harvey, A. Ghiorso, S.G. Thompson, and G.R. Choppin. In fact, einsteinium was discovered through a thermonuclear explosion test, which was conducted in the Pacific.