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.
Rubidium is used as a getter in vacuum tubes because it combines with and removes trace gases. It is also a component in photocells and has been used in making special glasses. Rubidium has been considered for use in ion engines in space shuttles, because it can be easily ionized.Cesium, however, is more efficient.t is a soft, silvery-white metallic element in the alkali group. [See Periodic Table of the Elements ]. Rubidium is the second-most electropositive and alkaline element. As with other alkali metals, it forms amalgams with mercury and alloys with gold, cesium, sodium and potassium.