Aperture definition

Aperture means a gap in the protective material of a tube housing through which ionizing radiation from an X-ray tube within the tube housing may pass with little or no attenuation;
Aperture means any opening in a protective housing through which radiation is emitted, thereby allowing human access to the radiation.
Aperture means any opening in the outside surface of a cabinet x-ray unit, other than a port, which remains open during generation of x-radiation.

Examples of Aperture in a sentence

  • Updated Design and Master Data Sheets Aperture Cards and Tool Bulletins are periodically distributed to all IAE customers, including Spirit.

  • Updated Design and Master Data Sheets Aperture Cards and Tool Bulletins are periodically distributed to all IAE customers.

  • Escape hatch Aperture area: 4,000 cm2 It shall be possible to inscribe in this area a rectangle measuring 50 x 70 cm.

  • Emergency window Aperture area: 4,000 cm2 It shall be possible to inscribe in this area a rectangle 50 cm high and 70 cm wide.

  • AnnoCultor (discontinued) Anzo for Excel + - Apache Any23 + - Aperture (discontinued) Convert2Rdf (discontinued) csv2rdf4lod + - Datalift + + + + - + Excel2rdf + - NOR2O (discontinued) RDBToOnto (discontinued) RDF Refine + - RDF123 + - Spread2RDF + - TabLinker + - Tarql + + + - + - Virtuoso Sponger + + + - + + XLWrap + + - - + - Table 7: Software tools and the requirements they meet The way in which SPARQL is used differs between Tarql on the one hand and Datalift and Virtuoso Sponger on the other.


More Definitions of Aperture

Aperture means any opening in the outside surface of the cabinet x-ray unit, other than a port, which remains open dur- ing generation of x-radiation.
Aperture means any opening in a protective housing through which laser radiation can pass.
Aperture means an opening in the protective housing or other enclosure of a laser product, through which laser or col- lateral radiation is emitted, allowing human access to the radiation.
Aperture means any opening in the external surface, other than a port, which remains open during the production of x-rays.
Aperture means an opening which allows natural light and into a habitable space.
Aperture means any opening in the outside surface of the cabinet, other than a port, which remains open during
Aperture means an opening within a building's construction, typically permitting the penetration of light or air (e.g., “collection aperture”, “ventilation aperture”).