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BS EN ISO 21904-2:2020 pdf free

BS EN ISO 21904-2:2020 pdf free.Health and safety in welding and allied processes - Equipment for capture and separation of welding fume. The method is based on the methods specified in EN 1093-6 and EN 1093-71>. Under test, the welding fume separation equipment is charged by welding fume generated by a welding process. The welding fume concentrations are measured in...

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BS EN ISO 11844-1:2020 pdf free

BS EN ISO 11844-1:2020 pdf free.Corrosion of metals and alloys - Classification of low corrosivity of indoor atmospheres. The determination of corrosivity of indoor atmospheres is based on measurements of corrosion attack on standard specimens of five reference metals after an exposure for one year in accordance with ISO 11844-2. From the mass loss or mass increase, the indoor corrosivity...

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BS EN ISO 10704:2019 pdf free

BS EN ISO 10704:2019 pdf free.Water quality - Gross alpha and gross beta activity - Test method using thin source deposit. The gross alpha and gross beta activity of the deposit is measured by counting in an alpha- and beta-particle detector or counting system previously calibrated against alpha- and beta-emitting standards. In order to obtain a thin and homogeneous deposit...

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BS EN ISO 2553:2019 pdf free

BS EN ISO 2553:2019 pdf free.Welding and allied processes - Symbolic representation on drawings - Welded joints. Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the...

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BS EN ISO 1833-17:2020 pdf free

BS EN ISO 1833-17:2020 pdf free.Textiles - Quantitative chemical analysis. 1 Scope This document specifies a method, using concentrated sulfuric acid, to determine the mass percentage of chlorofibres and certain other fibres, after removal of non-fibrous material, in textiles made of mixtures of 一cotton, viscose, cupro, modal, lyocell, acetate, triacetate, polyamide, polyester, elastomultiester, certain acrylic and certain modacrylic fibres with...

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BS EN 6056:2019 pdf free

BS EN 6056:2019 pdf free.Aerospace series - Rod-end with bearing per EN 4614 with self lubricating liner in corrosion resisting steel with external threaded shank - Dimensions and loads - Inch series. The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references,...

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BS EN ISO 21853:2020 pdf free

BS EN ISO 21853:2020 pdf free.Kite boarding - Release system - Safety requirements and test methods. 4.4 Handling 4.4.1 General It shall be possible to trigger the main release system by a first single action. It shall be possible to trigger the disconnecting release system it by a second single action. The action for triggering shall be ergonomically and kinematically...

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BS EN ISO 20418-3:2020 pdf free

BS EN ISO 20418-3:2020 pdf free.Textiles一Qualitative and quantitative proteomic analysis of some animal hair fibres. 8.1 Sampling The general requirement is that the test specimen shall be representative for the lot of material from which it is taken. The method to obtain a fibre test specimen differs depending on the sample form. The terms relating to sampling for the various...

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BS EN ISO 17871:2020 pdf free

BS EN ISO 17871:2020 pdf free.Gas cylinders一Quick-release cylinder valves一Specification and type testing. Quick-release cylinder valves shall comply with all requirements of ISO 10297 unless this document expressly allows differing requirements or stipulates additional requirements. It is the responsibility of the manufacturer to classify the type of the quick-release cylinder valve according to the definitions in 3.2 (type A) or 3.3...

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BS EN ISO 16610-29:2020 pdf free

BS EN ISO 16610-29:2020 pdf free.Geometrical product specifications (GPS)一Filtration. Wavelet analysis consists of decomposing a profile into a linear combination of wavelets ga,b(x), all generated from a single mother wavelet. This is similar to Fourier analysis, which decomposes a profile into a linear combination of sinewaves, but unlike Fourier analysis, wavelets are finite in both spatial and frequency domain. Therefore,...

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