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BS ISO 8858-1:2019 pdf free

BS ISO 8858-1:2019 pdf free.Hard coal- Froth flotation testing. 6.1 Flotation cell manufactured from stainless steel. Figure 2 shows the dimensions of the flotation cell. The capacity of the cell with the deflector block and impeller in place is approximately 3,5 1. It has been shown that the results obtained from laboratory froth flotation tests are very dependent on the...

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BS EN IEC 62812:2019 pdf free

BS EN IEC 62812:2019 pdf free.Low resistance measurements -Methods and guidance. 3.4 four-wire sensing Kelvin sensing four-terminal sensing four-point sensing electrical impedance measuring technique using separate pairs of wires for carrying the measuring current and for sensing the potential difference in order to eliminate the impedance contribution of wiring and contact resistances 3.5 two-wire sensing conventional electrical impedance measuring technique...

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BS EN 17228:2019 pdf free

BS EN 17228:2019 pdf free.Plastics - Bio-based polymers, plastics, and plastics products - Terminology, characteristics and communication. 4 Bio-based content and bio-based carbon content determination 4.1 General A bio-based plastic is one which is wholly or partly derived from biomass. In particular when the product is partly bio-based, it is essential to quantify the amount of biomass (i.e. the bio-based...

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BS ISO 7905-3:2019 pdf free

BS ISO 7905-3:2019 pdf free.Plain bearings - Bearing fatigue. 3 Terms and definitions No terms and definitions are listed in this document. ISO and IEC maintain terminological databases for use in standardization at the following addresses: 一ISO Online browsing platform: available at https://www.iso.org/obp 一IEC Electropedia: available at http://www.electropedia.orgt4 Test specimens The test specimens shall be flat thin strips of rectangular...

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BS ISO 6915:2019 pdf free

BS ISO 6915:2019 pdf free.Flexible cellular polymeric materials一Polyurethane foam for laminate use - Specification. 2 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 referenced document...

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BS ISO 6474-1:2019 pdf free

BS ISO 6474-1:2019 pdf free.Implants for surgery一Ceramic materials. 5 Preparation of specimens Specimens shall be produced equivalent to the regular production of the implants. The same feedstock, comparable shaping technology (e.g. axial pressing, isostatic pressing), high temperature process (e.g. sintering, hot isostatic pressing) and hard machining (e.g. grinding, polishing) shall be applied. The shaping of specimens shall be accomplished according...

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BS EN 13200-1:2019 pdf free

BS EN 13200-1:2019 pdf free.Spectator facilities. The materials and technical installations shall be made in accordance with the law in force in each country and shall take into account the applicable European Standards.Fire resistance requirements of structural elements should be assessed in accordance with the requirements and test procedures established by the regulations in force in each country, regardless of...

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BS IEC 63068-2:2019 pdf free

BS IEC 63068-2:2019 pdf free.Semiconductor devices - Non-destructive recognition criteria of defects in silicon carbide homoepitaxial wafer for power devices. General Defects with surface morphological features shall be detected by optical inspection method. The following descriptions concern such defects in n/n+-type 4H-SiC homoepitaxial wafers with an off-cut angle of 4° along the direction of : — individual defects exhibiting hexagonal-shaped...

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BS ISO 6336-6:2019 pdf free

BS ISO 6336-6:2019 pdf free.Calculation of load capacity of spur and helical gears. Variable loads resulting from a working process, starting process or from operation at or near a critical speed will cause varying stresses at the gear teeth of a drive system. The magnitude and frequency of these loads depend upon the driven machine(s), the driver(s) or motor(s) and...

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BS ISO 1762:2019 pdf free

BS ISO 1762:2019 pdf free.Paper, board, pulps and cellulose nanomaterials - Determination of residue (ash content) on ignition at 525 °C. 4 Principle The test specimen is weighed in a heat-resistant crucible and ignited in a muffle furnace at 525 °C+ 25 °C. The moisture or dry matter content of a separate test specimen is also measured. The percentage ash...

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