- 産業: Aviation
- Number of terms: 16387
- Number of blossaries: 0
- Company Profile:
Aviation Supplies & Academics, Inc. (ASA) develops and markets aviation supplies, software, and books for pilots, flight instructors, flight engineers, airline professionals, air traffic controllers, flight attendants, aviation technicians and enthusiasts. Established in 1947, ASA also provides ...
A physical change that takes place within a material in which heat energy is added to or taken from the material as needed to keep its temperature constant.
Industry:Aviation
A physical characteristic of a material that causes it to break, or fracture, without bending or distorting in any appreciable amount. Brittleness is the opposite of malleability.
Industry:Aviation
A physical load, or stress, which tries to squeeze together the ends of the object on which it acts.
Industry:Aviation
A physical measurement of force used to produce movement. Work is the product of the amount of force applied to an object, multiplied by the distance the force causes the object to move, and is measured in such units as foot-pounds, joules, and meter-kilograms.
Industry:Aviation
A physical mixture of chemical elements combined with a metal to change its characteristics.
Industry:Aviation
A physical mixture of dissimilar ingredients. Concrete is a heterogeneous mixture of sand, gravel, and portland cement.
Industry:Aviation
A physical mixture of gases that make up the atmosphere of the earth. Pure dry air contains approximately 78% nitrogen and 21% oxygen by volume, with the remainder made up of small parts of carbon dioxide, argon, neon, xenon, and helium. Dry air weighs 0.07651 pound per cubic foot under standard sea-level conditions.
Industry:Aviation
A physical variable that keeps a fixed relationship with another variable as it changes. For example, the position of the hands of a clock keeps a fixed relationship with time. It is because of this relationship that we can tell the time of day by knowing the positions of the clock hands. The position of the clock hands is an analog of time.
Industry:Aviation
A physiological condition in which a person is deprived of the needed oxygen. The effects of hypoxia normally disappear as soon as the person is able to breathe air that contains sufficient oxygen.
Industry:Aviation
A piece of a gear wheel that contains the hub and a portion of the rim with the teeth. A sector gear, which is used where only a small amount of angular movement is needed, usually meshes with and drives a small pinion gear. The shaft of the pinion gear can turn several revolutions, while the shaft of the sector gear is turning through only a few degrees.
Industry:Aviation
