# be directed

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**Directed attention fatigue**— (DAF) is a neurological phenomenon that results from overuse of the brain’s inhibitory attention mechanisms, which handle incoming distractions while maintaining focus on a specific task. The greatest threat to a given focus of attention is… …2

**Directed ortho metalation**— (DoM) is an adaptation of electrophilic aromatic substitution in which electrophiles attach themselves exclusively to the ortho position of a direct metalation group or DMG through the intermediary of an aryllithium compound [1]. The DMG… …3

**Directed Studies at Yale University**— is a selective humanities study program for freshmen. It follows the Great Books of the Western tradition, and resembles Princeton University s Interdisciplinary Approaches to Western Culture, Columbia University s Core Curriculum, The University …4

**Directed mutagenesis**— Directed mutagenesis, also known as directed mutation, is a hypothesis proposing that organisms can respond to environmental stresses through directing mutations to certain genes or areas of the genome. The hypothesis was first proposed in 1988… …5

**Directed individual study**— or DIS is a college or university level class providing a more in depth and comprehensive study of a specific topic than is available in the classroom. Courses may be taken as electives. In some cases, a Directed Individual Study may be: A… …6

**directed**— adj. 1. having a specified direction; often used in combination; as, goal directed. [WordNet 1.5] 2. marked with a destination; of mail or parcels; as, I throw away all mail directed to resident . Opposite of {unaddressed}. Syn: addressed.… …7

**Directed-energy warfare**— at the turn of the 21st century is an intelligence operations offensive capability involving actions taken to destroy or damage equipment, facilities, and injure or kill personnel using directed energy weapons, devices and counter measures.[1] It …8

**Directed rounding**— refers to rounding a number in a certain direction toward a certain number or limit. For example, the IEEE 754 floating point standard has 4 rounding modes, 3 of which are directed rounding: * Round inward (toward 0) * Round upward (toward… …9

**directed mutagenesis**— directed mutagenesis. = site specific mutagenesis (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …10

**directed mutagenesis**— directed mutagenesis. См. направленный мутагенез. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …11

**Directed set**— In mathematics, a directed set (or a directed preorder or a filtered set) is a nonempty set A together with a reflexive and transitive binary relation ≤ (that is, a preorder), with the additional property that every pair of elements has an upper… …12

**Directed acyclic graph**— An example of a directed acyclic graph In mathematics and computer science, a directed acyclic graph (DAG i …13

**Directed percolation**— In statistical physics Directed Percolation (DP) refers to a class of models that mimic filtering of fluids through porous materials along a given direction. Varying the microscopic connectivity of the pores, these models display a phase… …14

**Directed Light**— Infobox Company company name=Directed Light Inc. company logo= company type=Private foundation= California, USA (1983) location city= flagicon|USA San Jose, California industry=Laser Technology Medical Laser homepage =… …15

**Directed-energy weapon**— This article is about practical experiments with energy weapons. For fictional uses, see raygun. Humvee with Active Denial System mounted A directed energy weapon (DEW) emits energy in an aimed direction without the means of a projectile. It… …16

**Directed evolution**— An example of a possible round to evolve a protein based fluorescent sensor for a specific analyte using two consecutive FACS sortings Directed evolution is a method used in protein engineering to harness the power of natural selection to evolve… …17

**Directed verdict**— Criminal procedure Criminal trials and convictions …18

**Directed infinity**— A directed infinity is a type of infinity in the complex plane that has a defined angle θ but an infinite absolute value r.[1] For example, the limit of 1/x where x is a positive number approaching zero is a directed infinity with angle 0;… …19

**Directed listening and thinking activity**— The directed listening and thinking activity (DLTA) is a strategy that was first identified by Stauffer (1980). It is used with early childhood students or students who are not yet successful independent readers. Teachers use this strategy to… …20

**directed-energy device**— A system using directed energy primarily for a purpose other than as a weapon. Directed energy devices may produce effects that could allow the device to be used as a weapon against certain threats; for example, laser rangefinders and designators …