Acoustique — Méthodes de mesurage pour silencieux en conduit — Perte d'insertion, bruit d'...
La présente Norme internationale prescrit la méthode de substitution pour déterminer la perte d'insertion de silencieux en conduit. Elle fixe les exigences pour déterminer : -- la perte d'insertion de silencieux en présence et en l'absence d'écoulement d'air, par bande de fréquences; -- le niveau de puissance acoustique par bande de fréquences du bruit d'écoulement…
Steel and iron — Determination of chromium content — Flame atomic absorption spectrometric method
The publication of ISO 10138 gives rise to the cancellation of ISO 4936:1984. The method described determines chromium in non-alloy and low-alloy steels and iron. It is applicable to chromium contents between 0,002 % (m/m) and 2,0 % (m/m). Specifies normative references, principle, reagents, apparatus, sampling, procedure, expression of results and test report. Procedures for the determination of…
Specifies the functional requirements. Is not intended to specify equipment design. Gives certain criteria that are known to be essential for efficient operation. Should be applied with due reference to national regulations. To avoid any accidental contamination, the unit should only be used to supply aircraft with potable water. The informative annex A gives a bibliography.
Pulses — Determination of impurities, size, foreign odours, insects, and species and variety — Test ...
This second edition cancels and replaces the first edition (ISO 605:1977), clause 5 and subclause 7.2 of which have been deleted. Deals with sampling, preparation of the test sample, determination of impurities, determination of size and several tests, for instance for the presence of foreign odours, for infestation by insects (see also ISO 6639), and test report. The informative annex A contains…
Information technology — SGML and Text-entry Systems — Guidelines for SGML Syntax-Directed Editing S...
Specifies a set of functions which an SGML syntax-directed editing system may have in order to help users manipulate documents. Contains two major clauses. The first one describes the functions on an SGML syntax-directed editing system as applied to document processing. The second clause identifies those additional facilities felt to be appropriate for DTD processing. Does not specify a "…
