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(english) A hole made in a workpiece that does not pass through it.
(Environmental Engineering) (FS) are the solids that do not volatilize at 550°C.
(Concrete Engineering) A gel-like mass which does not allow the transfer of ions
(english) An idealized concept meaning something which does not deform under loading. In fact, all objects deform under loading, but in modelling it can be useful to idealize very stiff objects as rigid.
(Environmental Engineering) Organisms which possess a nuclear membrane. This includes all known organisms except viruses and bacteria.
(Environmental Engineering) A group of organisms that do not require molecular oxygen. These organisms, as well as all known life forms, require oxygen. These organisms obtain their oxygen from inorganic ions such as nitrate or sulfate or from protein.
(Software Engineering) a database that contains definitions of all data items defined during analysis; see also, Requirements dictionary
(Software Engineering) tools that generate source code from a representation of software that is not source code
(Software Engineering) tests that are conducted repeated to ensure that a change has not introduced side effects
(english) A support contributes to keeping a structure in place by restraining one or more degrees of freedom. In a structural model, supports represent boundary entities which are not included in the model itself, e.g., foundations, abutments, or the earth itself. For each restrained translation degree of freedom at a support, there is a corresponding reaction force; for each restrained rotation degree of freedom, there is a reaction moment.
(Software Engineering) testing that does not focus on the internal details of the program but uses external requirements
(english) A process carried out usually in a controlled furnace atmosphere, so surface does not oxidize, remaining bright.