unit impulse response
121UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
122Mass — This article is about the scientific concept. For the substance of which all physical objects consist, see Matter. For other uses, see Mass (disambiguation). Classical mechanics …
123cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
124Southern Africa — Introduction southernmost region of the African continent, comprising the countries of Angola, Botswana, Lesotho, Malawi, Mozambique, Namibia, South Africa, Swaziland, Zambia, and Zimbabwe. The island nation of Madagascar is excluded… …
125Maxwell's equations — For thermodynamic relations, see Maxwell relations. Electromagnetism …
126Mars Direct — is a proposal for a manned mission to Mars. Proponents of the scheme have claimed it to be both cost effective and that it can be conducted with current technology. It was originally detailed in a research paper by NASA engineers Robert Zubrin… …
127Libya — /lib ee euh/, n. 1. Anc. Geog. the part of N Africa W of Egypt. 2. Italian, Libia. a republic in N Africa between Tunisia and Egypt: formerly a monarchy 1951 69. 5,648,359; 679,400 sq. mi. (1,759,646 sq. km). Cap.: Tripoli. * * * Libya… …
128Health and Disease — ▪ 2009 Introduction Food and Drug Safety. In 2008 the contamination of infant formula and related dairy products with melamine in China led to widespread health problems in children, including urinary problems and possible renal tube… …
