Guidance on water conservation techniques of circulating cooling water in thermal power plants
This document provides technical and management guidance for water conservation of indirect open recirculating cooling water systems in thermal power plants. It is applicable to circulating cooling systems that use surface water, underground water, reclaimed water, and treated domestic sewage from thermal power plant as the make-up water and use physicochemical treatment methods to increase…
Telecommunications and information exchange between systems — Local and metropolitan area networks s...
This document defines security key management extensions to address session key generation (both 128-bit and 256-bit key lengths), the creation and/or transport of broadcast/multicast keys, and security algorithm agility.
This document maintains backwards compatibility with IEEE Std 802.15.9-2016.
Film for wrapping rubber bales — Part 2: Natural rubber and modified natural rubber
This document specifies the material and physical property requirements for non-strippable, low-density polyethylene (LDPE) film for the wrapping of:
— natural rubber bales comprised of block natural rubber of 33,3 kg or 35 kg;
— natural rubber ribbed smoked sheets, including bales of 33,3 kg, 35 kg, 50 kg and 111,11 kg;
— modified natural rubber (e.g. epoxidized natural rubber, low-…
Emballage des balles en caoutchouc — Partie 2: Caoutchouc naturel et caoutchouc naturel modifié
Le présent document spécifie les exigences relatives au matériau et aux caractéristiques physiques des films polyéthylène à faible densité (PE-LD) non arrachables pour l’emballage:
— des balles de caoutchouc naturel composées de blocs de caoutchouc naturel de 33,3 kg ou 35 kg;
— de feuilles fumées gaufrées de caoutchouc naturel, comprenant des balles de 33,3 kg, 35 kg, 50 kg et 111,11 kg…
Telecommunications and information exchange between systems - Local and metropolitan area networks s...
This document defines security key management extensions to address session key generation (both 128-bit and 256-bit key lengths), the creation and/or transport of broadcast/multicast keys, and security algorithm agility.
This document maintains backwards compatibility with IEEE Std 802.15.9-2016.
Information technology - Home Electronic System (HES) gateway – Part 4-1: Structure - Structural cla...
ISO/IEC 15045-4-1:2024 specifies a set of physical classes for the HES gateway system. It also specifies the requirements of HES gateway modules including home area network interface modules, wide area network interface modules, binding map service and service modules for any class chosen.
Guidance for performance grading of recovered reverse osmosis (RO) membranes for water reuse
This document provides guidance and requirements for grade classification of performance of recovered reverse osmosis (RO) membranes for water reuse systems.
This standard is applicable to the spiral-wound type of recovered membranes from seawater reverse osmosis (SWRO) and brackish water reverse osmosis (BWRO) systems.
This standard is to ensure consistency in the performance of recovered RO…
Ships and marine technology — Electronic port clearance (EPC) — Part 1: Message structures and appli...
This document defines the principles, methods and requirements for message exchanges between ships, ship representatives, and other shore parties via a peer-to-peer communication system. This document defines the message structure, including how the data content is assembled from other parts of the ISO 28005 series, and how digital signatures for authentication, integrity, and confidentiality of…
