Indirect Cost: Definition and Example. To facilitate preparation of an indirect cost proposal, shown below are (1) some definitions of the term indirect costs, (2) a brief discussion of indirect cost rate structures and (3) a simple example of an indirect cost rate computation.
Chancre: The classic painless ulcer of syphilis. The chancre forms in the first (primary) stage of syphilis. It is highly contagious and can last 1-5 weeks. The disease can be transmitted from contact with the ulcer, which is teeming with spirochetes. If the ulcer is outside of the vagina or on the scrotum of the male, the use of condoms may not help in preventing transmission of the disease.
Nacre is composed of an organic, horn-like compound called conchiolin, and calcium carbonate (CaCO3) in the form of the minerals aragonite or calcite. All species of bivalves are capable of producing pearls, but only a few can secrete a nacreous coating that has the attractive pearly luster of gem pearl.