This numbering system allows a technician or engineer to easily identify the chemical composition of a refrigerant. Each digit of the numbering system has its own significance in identifying the ...

The DUNS number—a unique ID for organizations doing business with the government—will be phased out in favor of a new identifier with a new name and vendor.

The new numbering system, developed by researchers at Leipzig University, provides a standardised basis for the accurate transfer of research results between different model systems and humans.