means+of+estimating
81tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
82Dinosaur — For other uses, see Dinosaur (disambiguation). Dinosaurs Temporal range: Late Triassic–Late Cretaceous, 231.4–65.5 Ma …
83Emergency contraception — Background Birth control type Hormonal (progestin or others) or intra uterine First use 1970s Failure rates (per use) Perfect use ECP: see article text IUD: under 1% …
84History of radar — The history of radar starts with experiments by Heinrich Hertz in the late 19th century that showed that radio waves were reflected by metallic objects. This possibility was suggested in James Clerk Maxwell s seminal work on electromagnetism.… …
85intelligence — /in tel i jeuhns/, n. 1. capacity for learning, reasoning, understanding, and similar forms of mental activity; aptitude in grasping truths, relationships, facts, meanings, etc. 2. manifestation of a high mental capacity: He writes with… …
86AGRICULTURAL LAND-MANAGEMENT METHODS AND IMPLEMENTS IN ANCIENT EREẒ ISRAEL — Ereẓ Israel is a small country with a topographically fragmented territory, each geographical region having a distinctive character of its own. These regions include: the coastal plain, the lowlands, the hilly country, the inland valleys, the… …
87Biotechnology — is technology based on biology, especially when used in agriculture, food science, and medicine. The United Nations Convention on Biological Diversity defines biotechnology as: [ [http://www.biodiv.org/convention/convention.shtml The Convention… …
88Basque people — Infobox Ethnic group group = Basques Euskaldunak flag caption = 1st row: Arista Sancho III Elcano Loyola Urdaneta Oñate Bolívar 2nd row:Zumalakarregi Gardoqui Garat Iraola Arana Balenciaga Aguirre 3rd row:Garrastazu Larrazábal Perón Laxalt… …
89Quantile — Quantiles are points taken at regular intervals from the cumulative distribution function of a random variable. Dividing ordered data into q essentially equal sized data subsets is the motivation for q quantiles; the quantiles are the data values …
90White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …
