Bran
Bran, the edible broken seed coat, or protective outer layer, of wheat, rye, or other cereal grain, separated from the kernel. In flour processing, the coarse chaff, or…
Bran, the edible broken seed coat, or protective outer layer, of wheat, rye, or other cereal grain, separated from the kernel. In flour processing, the coarse chaff, or…
a substance to that of a standard substance. hydrometerHydrometer used to measure the specific gravity of wine. The usual standard…
Sandpapers Sandpapers (coated abrasive) are the next most significant abrasive product. They consist, basically, of a single layer of abrasive…
Animal communication Animal communication, process by which one animal provides information that other animals can incorporate into their decision making. The vehicle for…
Broadband-light sources Although flames and discharges provide a convenient method of excitation, the environment can strongly perturb the sample being studied. Excitation…
Spectroscopy also provides a precise analytical method for finding the constituents in material having unknown chemical composition. In a typical spectroscopic analysis, a concentration of…
Matte, crude mixture of molten sulfides formed as an intermediate product of the smelting of sulfide ores of metals, especially copper, nickel, and lead. Instead of…
Smelting, process by which a metal is obtained, either as the element or as a simple compound, from its ore by heating beyond the melting point,…
Stone Age, prehistoric cultural stage, or level of human development characterized by the creation and use of stone tools. The Stone Age, whose origin…
Silver (Ag), chemical element, a white lustrous metal valued for its decorative beauty and electrical conductivity. Silver is located in Group 11 (Ib) and…
Gold (Au), chemical element, a dense lustrous yellow precious metal of Group 11 (Ib), Period 6, of the periodic table. Gold has several qualities that…
Metallurgy, art and science of extracting metals from their ores and modifying the metals for use. Metallurgy customarily refers to commercial as…