- 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 irreversible cessation of regular monthly uterine bleeding in the adult human female, marking the end of her ability to become pregnant. Menopause commonly occurs in the United States between the ages of 47 and 53. It probably occurs because the ovary runs out of eggs and the cyclic rise and fall of brain and ovarian hormones designed to prepare the uterus to receive and nourish pregnancy no longer occur.
Industry:Science
The formation within an unstable, supersaturated solution of the first particles of precipitate capable of spontaneous growth into large crystals of a more stable solid phase. These first viable particles, called nuclei, may either be formed from solid particles already present in the system (heterogeneous nucleation), or be generated spontaneously by the supersaturated solution itself (homogeneous nucleation).
Industry:Science
The function of the mammary gland providing milk nourishment to the newborn mammal. This process is under the control of the endocrine and nervous systems. It involves transformation of an inactive duct system to a lobuloalveolar glandular structure during pregnancy, cellular production of the components of milk (galactopoiesis), secretion into the ducts, and ejection under the stimulus of milking or suckling.
Industry:Science
The distribution of the chemical elements within the Earth in space and time. Knowledge of the geochemical distribution of the elements in the Earth, particularly in the Earth's crust, and of the processes that lead to the observed distributions make it possible to locate and use efficiently essential elements and minerals and to predict their dispersal patterns when they reenter the natural environment after use.
Industry:Science
The flow of blood through arteries is essential for human life, providing oxygen and nutrients to the body's tissues. Understanding this delivery system requires knowledge of both biochemical and mechanical phenomena occurring in arteries. Although blood flow is mechanically complex, significant progress has been made in understanding blood flow patterns and their relationship to disease formation and progression.
Industry:Science
The fundamental histone-containing structural subunit of eukaryotic chromosomes. In most eukaryotic organisms, nuclear deoxyribonucleic acid (DNA) is complexed with an approximately equal mass of histone protein. It was previously thought that the histones formed some sort of coating on the DNA, but in 1974 it was recognized that the DNA-histone complex was in the form of discrete subunits, now termed nucleosomes.
Industry:Science
The applied science that deals with the dynamics of airflow and the resulting interactions between this airflow and solid boundaries. The solid boundaries may be a body immersed in the airflow, or a duct of some shape through which the air is flowing. Although, strictly speaking, aerodynamics is concerned with the flow of air, now the term has been liberally interpreted as dealing with the flow of gases in general.
Industry:Science
The application of education and experience in geology and other geosciences to solve geological problems posed by civil engineering works. The branches of the geosciences most applicable are surficial geology, petrofabrics, rock and soil mechanics, geohydrology, and geophysics, particularly exploration geophysics and earthquake seismology. This article discusses some of the practical aspects of engineering geology.
Industry:Science
The first computer systems were built by English-language speakers and supported text in English. However, speakers and writers of other languages soon demanded support for their writing systems, and over the years computer systems have evolved to meet that demand. Because this process was evolutionary and because some languages are easier to support than others, the mechanisms used by programmers vary considerably.
Industry:Science
The common name for any of various carnivorous catlike mammals of the family Viverridae of Africa and Asia. These small and medium-sized carnivores are often called “weasel cats” because of their long, slender weasel-like body with short limbs and their long, bushy tail and catlike disposition. They inhabit the warmer parts of the Old World, including southern Asia, the East Indies, portions of Africa, and Madagascar.
Industry:Science
