BS ISO 22843:2020 pdf free.Rubber bands - General requirements and test methods. BS ISO 22843This document specifies general requirements and relevant test methods for rubber bands made of dry natural rubber used for general purposes such as for daily wrapping or packaging.This document is not applicable for cover rubber bands made of blend and synthetic rubbers. This document is not...
BS ISO 2861:2020 pdf free
BS ISO 2861:2020 pdf free.Vacuum technology - Dimensions of clamped-type quick-release couplings. BS ISO 2861 This document specifies the dimensions of the clamped-type quick-release couplings used in vacuum technology, as well as those of the O-rings and their carriers associated with these couplings, used to ensure vacuum tightness. NOTE The dimensions retained for the coupling diameter ensure the compatibility of...
BS ISO 4468:2020 pdf free
BS ISO 4468:2020 pdf free.Gear hobs一- Accuracy requirements. BS ISO 4468 In addition to the elemental tests for hobs, this document gives permitted tolerances for composite tests that are taken along the cutting edges on the line of action. The two groups of tests are not equivalent and one can choose between one or the other. If there was no...
BS ISO 4987:2020 pdf free
BS ISO 4987:2020 pdf free.Steel castings一Liquid penetrant testing. BS ISO 4987 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 (including any amendments) applies.ISO 3059, Non-destructive...
BS ISO 7078:2020 pdf free
BS ISO 7078:2020 pdf free.Buildings and civil engineering works一Procedures for setting out, measurement and surveying一Vocabulary. BS ISO 7078 quantity value provided by a measuring instrument (3.1.7) or a measuring system (3.1.19) Note 1 to entry: An indication may be presented in visual or acoustic form or may be transferred to another device. An indication is often given by the position...
BS EN 16602-70-17:2020 pdf free
BS EN 16602-70-17:2020 pdf free.Space product assurance一Durability testing of coatings and surface finishes. BS EN 16602-70-17 This standard specifies requirements for the durability testing of coatings most commonly used for space applications, i.e.Thin film optical coatings Thermo-optical and thermal control coatings (the majority are paints,metallic deposits and coatings for stray light reduction) Metallic coatings for other applications (RF， electrical, corrosion...
BS EN 16603-32-10:2020 pdf free
BS EN 16603-32-10:2020 pdf free.Space engineering一Structural factors of safety for spaceflight hardware. BS EN 16603-32-10 The purpose of this Standard is to define the Factors Of Safety (FOS), Design Factor and additional factors to be used for the dimensioning and design verification of spaceflight hardware including qualification and acceptance tests. This standard is not self standing and is used in...
BS EN 16603-50-12:2020 pdf free
BS EN 16603-50-12:2020 pdf free.Space engineering一SpaceWire 一Links,nodes, routers and networks. BS EN 16603-50-12 If the driver has one 0V for signals such as TTL or CMOS, and a separate 0V for the differential inputs, the receiver ground is the 0V for the differential inputs. The receiver ground is a plane Or planes which provide controlled impedance for the receiver's differential...
BS EN 17398:2020 pdf free
BS EN 17398:2020 pdf free.Patient involvement in health care - Minimum requirements for person-centred care. BS EN 17398 The patient's narrative is essential when it comes to identifying patients' views of their objectives, needs,preferences, values and resources, as well as perception of their own role in their care. The narrative includes information regarding the patient's everyday life, condition, symptoms, disease...
BS EN ISO 3071:2020 pdf free
BS EN ISO 3071:2020 pdf free.Textiles - Determination of pH of aqueous extract. BS EN ISO 3071 This document specifies a method for determining the pH of the aqueous extract of textiles. The method is applicable to textiles in any form e.g. fibres, yarns, fabrics). 2 Normative references The following documents are referred to in the text in such a...