- 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.
The modern contact lens combines state-of-the-art advances in optics, mechanical engineering, and material science to provide correction for a full range of vision problems. It is a comfortable, economical, and healthy option for vision correction.
Industry:Science
The term used to describe any member of the mammalian family Felidae. Commonly, the term is restricted to the domestic cat and those felids that resemble it in size, shape, and habits. Those that are larger in size are referred to as the big cats.
Industry:Science
The process of adjusting the frequency of a vibrating system to obtain a desired result. The term is applicable to a wide variety of such systems, but is most commonly used in connection with musical instruments, electronic circuits, and machinery.
Industry:Science
The response of geologic materials to the environment (physical, chemical, and biological) at or near the Earth's surface. This response typically results in a reduction in size of the weathering materials; some may become as tiny as ions in solution.
Industry:Science
The operations that prepare a well bore for producing oil or gas from the reservoir. The goal of these operations is to optimize the flow of the reservoir fluids into the well bore, up through the producing string, and into the surface collection system.
Industry:Science
The process of becoming magnetized; also the property and in particular the extent of being magnetized. Magnetization has an effect on many of the physical properties of a substance. Among these are electrical resistance, specific heat, and elastic strain.
Industry:Science
The science and practice of measuring the volume, growth, and development of trees individually and collectively and estimating the products obtainable from them. Foresters use quantitative sciences such as mathematics and statistics for these measurements.
Industry:Science
The liberation of electrons from a substance into vacuum. Since all substances are built up of atoms and since all atoms contain electrons, any substance may emit electrons; usually, however, the term refers to emission of electrons from the surface of a solid.
Industry:Science
The ratio of the charge <i>q</i> on one of the plates of a capacitor (there being an equal and opposite charge on the other plate) to the potential difference <i>v</i> between the plates; that is, capacitance (formerly called capacity) is <i>C</i> = <i>q/v</i>.
Industry:Science
The sound and related effects produced in spark- ignited internal combustion engines by instantaneous ignition and combustion (autoignition) of the gaseous fuel–air mixture ahead of the advancing flame front. Spark knock is a complex physicochemical phenomenon.
Industry:Science
