- 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.
One of a large family of organic substances widely distributed in nature, and characterized by the presence of one or more carboxyl groups (–COOH). These groups typically yield protons in aqueous solution.
Industry:Science
Linear, crystallizable resins based on an unusual polymerization of <i>p</i>-xylene and derivatives. The polymers are tough and chemically resistant, and may be deposited as adherent coatings by a vacuum process.
Industry:Science
Insects that share resources and reproduce cooperatively. The shared resources are shelter, defense, and food (collection or production). After a period of population growth, the insects reproduce in several ways.
Industry:Science
Recent advances in the study of fluid flow include the observation of novel features in fluid flow in soap films, the accurate modeling of free-surface nonlinear flows, and magnetic resonance imaging of fluid flow.
Industry:Science
Sonic drilling research began in the late 1940s with the goals of speeding up oil well drilling operations by adding vibration to the rotary motion of the drill pipe, and enhancing well development or rejuvenation.
Industry:Science
Recent advances in laser science and technology include the development of high-power diode lasers, the use of copper vapor lasers in a wide variety of applications, and the demonstration of lasing without inversion.
Industry:Science
Pressure on a surface immersed in a fluid is defined as the normal force per unit area. Pressure always tends to compress the object on which it acts. This definition identifies the so-called static pressure <i>p</i>.
Industry:Science
Power developed from movement of masses of water. Such movement is of two kinds: (1) the falling of streams through the force of gravity, and (2) the rising and falling of tides through lunar (and solar) gravitation.
Industry:Science
One of the group of organosulfur compounds. Many sulfonamides, which are the amides of sulfonic acids, have the marked ability to halt the growth of bacteria. The therapeutic drugs of this group are known as sulfa drugs.
Industry:Science
Internal combustion engine that duplicates in some fashion the intermittent cycle of the piston engine, consisting of the intake-compression-power-exhaust cycle, wherein the form of the power output is directly rotational.
Industry:Science
