Rigid cellular plastics - Determination of the volume percentage of open cells and of closed cells
适用范围:本标准规定了硬质泡沫塑料开孔和闭孔体积百分率的测定方法。 本标准适用于含有由聚合物隔膜或孔壁分割成许多小泡孔的泡沫塑料,这些泡孔可能是开孔的(相通的)或闭孔的(不相通的)或这些类型的复合。
发布日期:2008-01-04 实施日期:2008-09-01
Single sampling procedures and tables for inspection having desired operating characteristics by attributes for percent nonconforming
实施日期:1992-08-01
Equipment reliability testing--Tests for the validity of a constant failure rate assumption
General Test Procedure of Failure Rate for Electronic Components
发布日期:1986-01-17 实施日期:1994-01-25
Determination of composition of hardened concrete; hydrochloric acid insoluble aggregate, materials used for the concrete not available
适用范围:Determination of composition of hardened concrete;hydrochloric acid insoluble aggregate; materials used for the concrete not availableDetermination de la composition du béton durci; granulatsinsolubl...
Sodium and potassium silicates for industrial use -- Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
适用范围:The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.
发布日期:1976-02-01 实施日期:1976-02-01
实施日期:2007-11-01
Microbiology of food and animal feeding stuffs. Preparation of test samples,initial suspension and decimal dilutions for microbiological examination. Part 4:Specific rules for the preparation of produc...
适用范围:This part of ISO 6887 specifies rules for the preparation of samples and decimal dilutions for the microbiological examination of food products other than those covered in other parts of ISO 6887. ISO ...
发布日期:2003-07-25 实施日期:2003-08-01
Hydraulic fluid power; cylinders; bores and rod area ratios
适用范围:The document specifies for each pair diameters (AL=Cylinder bore; MM=piston rod diameter) of hydraulic cylinders a corresponding standard ratio between the useful areas A1 and A2.
Microbiology of food and animal feeding stuffs - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 2: Specific rules for the preparation of...
适用范围:The standard specifies specific rules for the preparation of the test samples and initial suspension of meat and meat products
Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving - Sheet 211: Heat-shrinkable sleeving, semi-rigid polyolefin, shrink ratio 2:1
适用范围:IEC 60684-3-211:2007 gives the requirements for four types of semi-rigid, heat-shrinkable polyolefin sleeving with a nominal shrink ratio of 2:1 that has been found suitable for temperatures up to 135 ...
发布日期:2007-02-15 实施日期:2007-02-15
Electro-acoustics. Scales for plotting frequency characteristics ofelectro-acoustic instruments.
实施日期:1970-09-01
Basic human body measurements for technological design -- Part 2: Statistical summaries of body measurements from national populations
适用范围:ISO/TR 7250-2:2010 provides statistical summaries of body measurements together with database background information for working age people in the national populations of individual ISO member bodies. ...
发布日期:2010-02-01 实施日期:2010-02-01
Waermeaustauscher. Begriffe und allgemeine Festlegungen bei der Pruefung zur Leistungsbestimmung Heat Exchangers-Definitions of Performance of Heat Exchangers and the General Test Procedure for Establi...
适用范围:This European Standard specifies general terms and calculations used in determining performance of heat exchangers including related theory and general test procedure. This European Standard applies to...
实施日期:1997-07-15
Technical drawings; symbols for geometrical tolerancing; proportions and dimensions
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