- 行业: Printing & publishing
- Number of terms: 178089
- Number of blossaries: 0
- Company Profile:
McGraw Hill Financial, Inc. is an American publicly traded corporation headquartered in Rockefeller Center in New York City. Its primary areas of business are financial, publishing, and business services.
Element 111 was discovered in late 1994. It should be a homolog of the elements gold, silver, and copper. It is expected to be the ninth element in the 6<i>d</i> shell, but the half-life of 1.5 ms of the only isotope known today is too short to allow chemical studies.
Industry:Science
Any combination of muscle or joint pain, stiffness, or discomfort arising from nonspecific disorders. It is generally used as a lay expression to indicate a chronic or recurrent condition affecting a certain area and precipitated by cold, dampness, or emotional stress.
Industry:Science
Any object or system that is equally and oppositely charged at two points or poles, such as a magnet, a polar molecule, or an antenna element. The properties of a dipole are determined by its dipole moment, that is, the product of one of the charges and their separation.
Industry:Science
Any of the chemicals derived from petroleum or natural gas. The definition of petrochemicals has been broadened to include the whole range of aliphatic, aromatic, and naphthenic organic chemicals, as well as carbon black and such inorganic materials as sulfur and ammonia.
Industry:Science
Disorders of form and function that affect the eye. Disorders of form affect the way the eye looks or feels; disorders of function affect vision. Normal vision requires proper performance from the entire visual system, from the precorneal tear film to the occipital cortex.
Industry:Science
Every artificial satellite is launched into orbit atop a rocket or, as it is known in the aerospace industry, a launch vehicle. The reliance on expendable launch vehicles to lift satellites into orbit will remain at the core of the industry for at least the next few decades.
Industry:Science
Disorders of the thyroid gland may be classified according to anatomical and functional characteristics. Those thyroid disorders that are primarily anatomical include goiter and neoplasia; those that are primarily functional result in either hyperthyroidism or hypothyroidism.
Industry:Science
Astrobiology is a novel approach to the scientific study of the living universe. It seeks to understand the origin and evolution of life on Earth, to determine if life exists elsewhere in the universe, and to predict the future of life on Earth and in the rest of the universe.
Industry:Science
As defined by the American Society for Testing and Materials, “a ferrous material, aggregated from a solidifying mass of pasty particles of highly refined metallic iron, with which, without subsequent fusion, is incorporated a minutely and uniformly distributed quantity of slag.”
Industry:Science
Computer systems in which the computer is required to perform its tasks within the time restraints of some process or simultaneously with the system it is assisting. Usually the computer must operate faster than the system assisted in order to be ready to intervene appropriately.
Industry:Science
