Copper-bearing intrauterine contraceptive devices. Guidance on the design, execution, analysis and interpretation of clinical studies Ingestion-build-48348 Testing of concrete by the

Testing of concrete by the measurement of dynamic modulus of elasticity is a laboratory technique and involves applying an alternating force of variable frequency to the end of a prismatic sample and recording the resonant frequency

BS ISO 6474-1:2019 has technically revised its clause 6 compared to the previous edition ISO 6474-1:2010

It also gives recommendations and guidance on the selection and installation of oil tanks of capacity up to 3 500 L

Method A – Time-domain (pulse distortion) measurement

NOTE Attention is drawn to ISO/TR 9326 regarding the evaluation of change of form of bearing surfaces of hip joint prostheses

Copper-bearing intrauterine contraceptive devices. Guidance on the design, execution, analysis and interpretation of clinical studies Ingestion-build-48348 Testing of concrete by the1 Scope This document provides guidance on the design and conduct of clinical studies to determine the performance characteristics of new intrauterine devices. It also provides advice on the analysis of data when the study is completed, as well as interpretation of these results by manufacturers, researchers and regulatory bodies. It is intended to ensure the scientific conduct of the clinical investigation and the credibility of the clinical