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61X-ray crystal truncation rod — scattering is a powerful method in surface science, based on analysis of X ray diffraction patterns from a crystalline surface. For an infinite crystal, the diffracted pattern is concentrated in delta function like Bragg peaks. Presence of… …
62Business continuity planning — life cycle Business continuity planning (BCP) “identifies [an] organization s exposure to internal and external threats and synthesizes hard and soft assets to provide effective prevention and recovery for the organization, whilst maintaining… …
63George Tyler Moore Center for the Study of the Civil War — The George Tyler Moore Center for the Study of the Civil War located in Shepherdstown, West Virginia, is home to Shepherd University s Civil War 19th Century America concentrated track of studies. Currently the program requires students to… …
64Metalworking — Machining a bar of metal on a lathe. Metalworking is the process of working with metals to create individual parts, assemblies, or large scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts… …
65Gregorian calendar — the reformed Julian calendar now in use, according to which the ordinary year consists of 365 days, and a leap year of 366 days occurs in every year whose number is exactly divisible by 4 except centenary years whose numbers are not exactly… …
66Digital photography — Nikon D700 a 12.1 megapixel full frame DSLR …
67Orrery — This article is about the mechanical device. For the British peerage, see Earl of Orrery. A small orrery showing earth and the inner planets An orrery is a mechanical device that illustrates the relative positions and motions of the planets and… …
68Indoor air quality — (IAQ) is a term referring to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. IAQ can be affected by microbial contaminants (mold, bacteria), gases (including… …
69Real Time Kinematic — (RTK) satellite navigation is a technique used in land survey and in hydrographic survey based on the use of carrier phase measurements of the GPS, GLONASS and/or Galileo signals where a single reference station provides the real time corrections …
70Craters of the Moon National Monument and Preserve — For other uses, see Craters of the Moon (disambiguation). Craters of the Moon National Monument and Preserve IUCN Category III (Natural Monument) …
