Description: defines a way to encapsulate a name in any registered name space, and label it with the the name space, producing a member of the universal product set known as URI of a product; Name: Product URI
Description: Unique global identification of the product using an universal resource identifier (URI); Name: URI of the product
Description: Rotor resonant frequency calculated assuming that the rotor is supported only at its bearings and that the bearings are of infinite stiffness ; Name: Dry critical speed