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BS EN ISO 3740:2019 pdf free

BS EN ISO 3740:2019 pdf free.Acoustics - Determination of sound power levels of noise sources - Guidelines for the use of basic standards. 3.1 emission <acoustics> airborne sound radiated by a well-defined noise source (e.g. the machine under test) under specified operating and mounting conditions Note 1 to entry: Emission values may be incorporated into a product noise declaration, product...

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BS EN ISO 2376:2019 pdf free

BS EN ISO 2376:2019 pdf free.Anodizing of aluminium and its alloys - Determination of breakdown voltage and withstand voltage. 7.1 Flat or near-flat surfaces 7.1.1 Preparation of test Before the test, the test specimen shall be kept in the test environment over I h. Measure and record the temperature and relative humidity of the environment in which the test is...

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BS EN IEC 60709:2019 pdf free

BS EN IEC 60709:2019 pdf free.Nuclear power plants - Instrumentation, control and electrical systems important to safety - Separation. This document applies to I&C and electrical systems of new nuclear power plants and to l&C and electrical upgrading or back-fitting of existing plants. For existing plants see 1.2 and 5.4. Where independence is required by general safety standards such as...

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BS ISO 9407:2019 pdf free

BS ISO 9407:2019 pdf free.Footwear sizing一Mondopoint system of sizing and marking. 3.1 footwear shoe article(s) made of a sole (outsole) and an upper in different materials designed to protect or cover the foot Note 1 to entry: This shall be interpreted to mean all types of footwear without restriction, including boots, slippers, sandals, etc. 3.2 shoe size designated size marking...

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BS ISO 6306:2019 pdf free

BS ISO 6306:2019 pdf free.Chemical analysis ofsteel一Order of listing el lements in steel standards. 1 Scope This document specifies an order for listing elements within the chemical composition of steels and most other iron-based alloys, excluding foundry irons. NOTE This document has been developed and is used by ISO/TC 17/SC 4, but can also be used by other ISO/TC 17...

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BS EN ISO 22041:2019 pdf free

BS EN ISO 22041:2019 pdf free.Refrigerated storage cabinets and counters for professional use - Performance and energy consumption. 5.3.2 Test conditions 5.3.2.1 General In the following, general testing conditions which are common for all tests specified in Clause 6 carried out inside the test room are defined. These conditions concern the test room, the test and M-packages, and the measuring...

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BS EN ISO 9554:2019 pdf free

BS EN ISO 9554:2019 pdf free.Fibre ropes - General specifications. 4.2 Construction and structure 4.2.1 Laid ropes Unless otherwise specified, 3-, 4- and 6-strand laid ropes shall be Z-twist (right-hand lay), their strands S-twist and their roping yarns Z-twist. 4.2.2 Braided ropes The 8-strand braided ropes shall consist of four S-twist strands and four Z-twist strands arranged so that S-twist...

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BS EN ISO 4577:2019 pdf free

BS EN ISO 4577:2019 pdf free.Plastics - Polypropylene and propylene-copolymers一Determination of thermal oxidative stability in air一Oven method. 5 Apparatus 5.1 Oven The oven shall be of mechanical convection type, capable of controlled circulation of air, with adjustable air intake and exhaust, equipped with a specimen holder and a temperature control system capable of adjustment to meet the following conditions. a)...

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BS ISO 185:2019 pdf free

BS ISO 185:2019 pdf free.Grey cast irons - Classification. 4 Designation The material shall be designated as given in either Table 1 or Table 2. The designation system is given in ISO/TR 15931. The number in position 3 of the designation in Table 1 is the minimum tensile strength of the grade as determined by test pieces machined from standardized...

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BS EN ISO 19036:2019 pdf free

BS EN ISO 19036:2019 pdf free.Microbiology of the food chain -Estimation of measurement uncertainty for quantitative determinations. 3.1.9 measurement uncertainty MU parameter, associated with the result of a measurement, that characterizes the dispersion of the values that could reasonably be attributed to the measurand (3.1.5) Note 1 to entry: The parameter may be, for example, a standard deviation ) of...

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