- negative differential test
- проверка герметичности созданием перепада давлений (за трубами и внутри труб)
Англо-русский словарь по проекту Сахалин II. 2013.
Англо-русский словарь по проекту Сахалин II. 2013.
Negative differential conductivity — (NDC) is a nonlinear electrical phenomenon. If J is not a monotonic function of E at some values of E, the conductivity will be negative: and negative differential conductivity is experienced; that is, in some electric field, as the current… … Wikipedia
Differential diagnosis — Intervention MeSH D003937 A differential diagnosis (sometimes abbreviated DDx, ddx, DD, D/Dx, or ΔΔ) is a systematic diagnostic method used to identify the presence of an entity where multiple alternatives are … Wikipedia
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test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Differential calculus — The graph of a function, drawn in black, and a tangent line to that function, drawn in red. The slope of the tangent line equals the derivative of the function at the marked point. Topics in Calculus … Wikipedia
Differential susceptibility hypothesis — According to the differential susceptibility hypothesis by Belsky[1] individuals vary in the degree they are affected by experiences or qualities of the environment they are exposed to. Some individuals are more susceptible to such influences… … Wikipedia
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Negative frequency — The concept of negative and positive frequency can be as simple as a wheel rotating one way or the other way.[citation needed] A signed value of frequency indicates both the rate and direction of rotation.[citation needed] The rate is expressed… … Wikipedia
Medical test — Intervention X ray of a hand. X rays are a common medical test. MeSH … Wikipedia
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