floor response spectrum
71Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
72death — /deth/, n. 1. the act of dying; the end of life; the total and permanent cessation of all the vital functions of an organism. Cf. brain death. 2. an instance of this: a death in the family; letters published after his death. 3. the state of being …
73Fashions — ▪ 2009 The faltering global economy determined the direction of fashion during 2008. Initially, the euro s significant appreciation against the dollar proved a boon to style conscious travelers who, visiting the U.S. from abroad as the year …
74Mamyshev 2R regenerator — The Mamyshev 2R regenerator is an all optical regenerator used in optical communications. In 1998, Pavel V. Mamyshev of Bell Labs proposed and patented the use of the self phase modulation (SPM) for single channel optical pulse reshaping and re… …
75Special education — Not to be confused with Gifted education. For the Glee episode, see Special Education (Glee) …
76New York State Museum — Established 1836 Location Empire State Plaza Albany, New York, USA Type …
77evolution — evolutional, adj. evolutionally, adv. /ev euh looh sheuhn/ or, esp. Brit., /ee veuh /, n. 1. any process of formation or growth; development: the evolution of a language; the evolution of the airplane. 2. a product of such development; something… …
78Barbara Boxer — Infobox Senator name=Barbara Levy Boxer imagesize=220px caption = jr/sr=Junior Senator state=California alongside=Dianne Feinstein term start = 5 January 1993 term end = preceded=Alan Cranston succeeded= date of birth=birth date and… …
79sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
80NEW YORK CITY — NEW YORK CITY, foremost city of the Western Hemisphere and largest urban Jewish community in history; pop. 7,771,730 (1970), est. Jewish pop. 1,836,000 (1968); metropolitan area 11,448,480 (1970), metropolitan area Jewish (1968), 2,381,000… …
