221. Fixed firefighting systems. Water mist components. Product characteristics and test methods for strainer and filter components Part 1, (4th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
222. Soil quality Determination of dehydrogenases activity in soils. Method using iodotetrazolium chloride (INT) Part 2, (5th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
223. BS EN 17406 AMD1. Classification for bicycles usage. (25th February 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
224. Radio-frequency connectors. Sectional specification for RF coaxial connectors, 1, 35 mm inner diameter of outer conductor, with screw-coupling, characteristic impedance 50 Ω Part 65, (4th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
225. Plastics. Homopolymer and copolymer resins of vinyl chloride. Designation system and basis for specifications Part 1, (4th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
226. Recurrent Tests of Electrical Equipment. (5th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
227. Power systems management and associated information exchange. Data and communications security. Guidelines for network and system management Part 90-3, (18th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
228. Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics. In situ values of airborne sound insulation under direct sound field conditions Part 6, (19th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
229. Surface mounting technology. Standard method for the specification of components for through-hole reflow (THR) soldering Part 3, (18th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
230. Fine ceramics (advanced ceramics, advanced technical ceramics). Thermophysical properties of ceramic composites. Determination of specific heat capacity. (17th March 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗