critical assembly


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critical assembly

[′krid·ə·kəl ə′sem·blē]
(nucleonics)
An assembly of sufficient fissionable and moderator material to sustain a fission chain reaction at a low power level.
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References in periodicals archive ?
GSE tech-motive tool manufactures and distributes specialized tightening solutions for customers with critical assembly applications.
The vehicles and controls have been designed to provide reliable delivery of components for critical assembly line supply on a 24 x 7 basis.
Emerging technologies often require sources of bare die or difficult to handle packages requiring extremely critical assembly operations.
As in the molding area, all critical assembly steps are fully automated.

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