normal-wound geophone - определение. Что такое normal-wound geophone
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Что (кто) такое normal-wound geophone - определение

DEVICE THAT CONVERTS GROUND MOVEMENT (VELOCITY) INTO VOLTAGE, WHICH MAY BE RECORDED AT A RECORDING STATION. THE DEVIATION OF THIS MEASURED VOLTAGE FROM THE BASE LINE IS CALLED THE SEISMIC RESPONSE AND IS ANALYZED FOR STRUCTURE OF THE EARTH.
Geophone (instrument)
  • Geosource Inc. MD-79—8 Hz, 335 Ω geophone
  • Geophone (SM-24), frequency band 10 Hz to 240 Hz, standard resistance 375 Ω
  • Man using a geophone
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  • Source Receivers single fold-3 Fold
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Million-dollar wound         
Blighty wound; Million-Dollar Wound; Million dollar wound
"Million-dollar wound" (American English) or "Blighty wound" (British English) is military slang for a type of wound received in combat which is serious enough to get the soldier sent away from the fighting, but neither fatal nor permanently crippling.
History of wound care         
  • [[Achilles]] tending [[Patroclus]] wounded by an arrow
(Attic red-figure kylix, c. 500 BC)
  • A glass container containing tubocurarine chloride. Tubocurarine was used in ancient times as a poison, but was used in the 20th century as a muscle relaxant.
  • This is a portrait of [[Joseph Lister]], who was the first doctor to begin to sterilize his surgical gauze.
ASPECT OF HISTORY
Wound treatment; Wound care; Wound doctor
The history of wound care spans from prehistory to modern medicine. Wounds naturally heal by themselves, but hunter-gatherers would have noticed several factors and certain herbal remedies would speed up or assist the process, especially if it was grievous.
Geophone         
A geophone is a device that converts ground movement (velocity) into voltage, which may be recorded at a recording station. The deviation of this measured voltage from the base line is called the seismic response and is analyzed for structure of the earth.
Geophone (musical instrument)         
  • Oberlin]], Ohio
MUSICAL INSTRUMENT
Geophone (percussion instrument)
The geophone is a percussion instrument, invented by the French composer Olivier Messiaen for use in his large composition for piano and orchestra entitled Des canyons aux étoiles… ("From the canyons to the stars…"). It consists of a drum filled with thousands of small lead pellets, and is played by swirling it around slowly so that the noise of the pellets resembles the sound of dry shifting earth.
Normal force         
  • Figure 2: Weight (''W''), the frictional force (''F''<sub>''r''</sub>), and the normal force (''F''<sub>''n''</sub>) acting on a block. Weight is the product of mass (''m'') and the acceleration of gravity (''g'').
FORCE EXERTED ON AN OBJECT BY A BODY WITH WHICH IT IS IN CONTACT, AND VICE VERSA
Normal Force; Normal reaction
In mechanics, the normal force F_n is the component of a contact force that is perpendicular to the surface that an object contacts, as in Figure 1. In this instance normal is used in the geometric sense and means perpendicular, as opposed to the common language use of normal meaning "ordinary" or "expected".
Normal order         
TYPE OF OPERATOR ORDERING IN QUANTUM FIELD THEORY
Wick ordering; Wick ordered; Normal-order; Normal ordering; Normal order (quantum physics); Normal order (quantum field theory)
In quantum field theory a product of quantum fields, or equivalently their creation and annihilation operators, is usually said to be normal ordered (also called Wick order) when all creation operators are to the left of all annihilation operators in the product. The process of putting a product into normal order is called normal ordering (also called Wick ordering).
Third normal form         
NORMALIZING A DATABASE DESIGN TO REDUCE THE DUPLICATION OF DATA AND ENSURE REFERENTIAL INTEGRITY
3NF; Third Normal Form; 3rd normal form
Third normal form (3NF) is a database schema design approach for relational databases which uses normalizing principles to reduce the duplication of data, avoid data anomalies, ensure referential integrity, and simplify data management. It was defined in 1971 by Edgar F.
Normal subgroup         
SUBGROUP INVARIANT UNDER CONJUGATION
Normal subgroups; Invariant subgroup; ◅; Normal group; ⊲; ⊳; ⊴; ⊵; ⋪; ⋫; ⋬; ⋭; Normal Subgroup; Self-conjugate subgroup
In abstract algebra, a normal subgroup (also known as an invariant subgroup or self-conjugate subgroup) is a subgroup that is invariant under conjugation by members of the group of which it is a part. In other words, a subgroup N of the group G is normal in G if and only if gng^{-1} \in N for all g \in G and n \in N.
3NF         
NORMALIZING A DATABASE DESIGN TO REDUCE THE DUPLICATION OF DATA AND ENSURE REFERENTIAL INTEGRITY
3NF; Third Normal Form; 3rd normal form
third normal form         
NORMALIZING A DATABASE DESIGN TO REDUCE THE DUPLICATION OF DATA AND ENSURE REFERENTIAL INTEGRITY
3NF; Third Normal Form; 3rd normal form

Википедия

Geophone

A geophone is a device that converts ground movement (velocity) into voltage, which may be recorded at a recording station. The deviation of this measured voltage from the base line is called the seismic response and is analyzed for structure of the earth.