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.
Uses of Erbium. Erbium isotopes are good neutron absorbers and are used in nuclear reactor control rods. The oxide erbia is used as a pink coloring agent in glazes and glasses. Erbium is used in alloys especially with vanadium to decrease the hardness of metals.It is also used in amplifiers and lasers. Erbium is used in photographic filters to absorb infrared light.Erbium is also used in yttrium aluminum garnet (YAG) medical lasers for procedures involving skin resurfacing such as acne scars, mole removal tattoo removal and warts.rbium is used in photographic filters to absorb infrared light. Erbium is also used in yttrium aluminum garnet (YAG) medical lasers for procedures involving skin resurfacing such as acne scars, mole removal tattoo removal and warts.