Boart Longyear Longyear, which eventually became Boart Longyear. He drilled his first diamond drill core hole in 1890 in northern Minnesota. Longyear's company developed the wire-line retrieved Q core barrel. Longyear was inducted into the National Mining Hall of Fame in Leadville, Colo in 1990. On March 1, 2016, Mr. Jeffrey Olsen was appointed President and Chief Executive Officer of Boart Longyear. He joined the company as the Chief Financial Officer in March 2014. Boart Longyear conducts contract drilling services in more than 40 countries, and provides mining products to customers in over 100 countries. Boart Longyear Boart Longyear is a global
Industrial enzymes medium, mild isolation conditions must be used. Depending on the intended use of the enzyme, different levels purity are required. For example, enzymes used for diagnostic purposes must be separated to a higher purity than bulk industrial enzymes to prevent catalytic activity that provides erroneous results. Enzymes used for therapeutic purposes typically require the most rigorous separation. Most commonly, a combination of chromatography steps is employed for separation. The purified enzymes are either sold in pure form and sold to other industries, or added to consumer goods. Industrial enzymes Industrial enzymes are enzymes that are commercially used in a variety