Water quality. Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza. Method using a stock culture independent microbiotest1 Scope This document specifies a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from turions, by substances and mixtures contained in water or waste water, including treated municipal waste water and industrial effluents. The test is also applicable to pure chemicals and in particular, plant protection products and pesticides.

you can enhance foodstuffs’ effectiveness and efficacy to create new products and launch them successfully in a global market

The AID is used within the TPEG-Service and Network Information Application (CEN ISO/TS 18234-3) to indicate how to process TPEG content and allows routing of data to an appropriate application decoder

The special requirements for nuclear primary loop applications are dealt with in the other standards

PD CEN/TS 17249-2 walks you through real scenarios indicating how the users of the eCall system will use the system and what their actions and needs would be when heavy goods vehicles and other commercial vehicles are involved in an accident

BS IEC 61892-5 specifies requirements such as those concerning:

were added

Part 5: Lung ventilators for medical use

Event handling: Defines how to subscribe to and receive data from network video events (notifications)

BS EN 62559-2  on use case methodology standard is useful for:

These tool holders are primarily intended for indexable inserts made of hard metal

this document is used to specify only the particular requirements for railway application

7 Hz to 60 Hz