Plastics. Assessment of the intrinsic biodegradability of materials exposed to marine inocula under mesophilic aerobic laboratory conditions. Test methods and requirements1 Scope This document specifies test methods and criteria for showing intrinsic biodegradability in marine environments of virgin plastic materials and polymers without any preliminary environmental exposure or pre treatment. Test methods applied in this document are carried out at temperatures in the mesophilic range under aerobic conditions and are aimed to show ultimate biodegradability, i. e. conversion into carbon dioxide, water and biomass. This

Instruments and techniques based on acoustic attenuation and/or acoustic backscatter principles are also in use for measurement of suspended sediment concentration

Along with continuity improvements from the use of current appliances

and to means of access which are a part of a machine

BS EN 45545-5 has been developed from existing fire safety regulations for railway vehicles from the International Union of Railways (UIC) and different European countries

— thermal comfort

surface plate technique and procedures provided by BS 5763-5 assist you in the enumeration of microorganisms in food and animal feeding stuff

are not differentiated in this method

The MediaRenderer device specification is very lightweight and is easy to implement on low-resource devices such as an MP3 player

modular knee or shoulder joints

as well as the incomplete threads

ISO 22172‑1 is the first part of a multi-series standard

unlike air-conditioning equipment but create a cooling effect by helping to evaporate sweat and increase heat exchange via convection