ISO 23333:2025 pdf download,Natural gas — Upstream area — Requirements and testing of slick water. ISO 23333:2025 outlines the requirements, sampling procedures, testing protocols, inspection processes, and necessary accompanying documentation for slick water. It is relevant to the fracturing fluid systems utilized in hydraulic fracturing operations for shale gas extraction.
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ISO 18488:2025 pdf download,Polyethylene (PE) materials for piping systems — Determination of strain hardening modulus in relation to slow crack growth — Test method. ISO 18488:2025 defines a procedure for determining the strain hardening modulus, which serves as an indicator of polyethylene’s resistance to slow crack growth. It outlines how to derive a strain hardening
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ISO 17590:2025 pdf download,Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of tests for reinforcements — Determination of the tensile properties of ceramic filaments at elevated temperature in air using the hot grip technique. ISO 17590:2025 presents a testing method for evaluating tensile properties, such as tensile strength, Young’s modulus, and fracture strain of
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IEC 62541-23:2025 pdf download,OPC unified architecture – Part 23: Common ReferenceTypes. IEC 62541-23:2025 defines ReferenceTypes commonly used in industrial Information Models. They are more specific than the ReferenceTypes in IEC 62541‑3 which are an inherent part of the OPC UA Address Space Model.
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IEC 62541-22:2025 pdf download,OPC unified architecture – Part 22: Base Network Model. IEC 62541-22:2025 defines the OPC Unified Architecture (OPC UA) Information Model for a fundamental collection of network components utilized across other Information Models. The initial release of this document establishes parameter sets for TSN Talkers and Listeners, as well as for network interfaces
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