The Rockwell hardness number is expressed as a combination of the measured numerical hardness value and the scale letter preceded by the letters, HR. For example, a hardness value of 80 on the Rockwell A scale is reported as 80 HRA. Regular Rockwell Hardness Testing- Measures the bulk hardness of the material.
What is aPaaS? aPaaS is an acronym for application Platform-as-a-Service. According to Gartner, aPaaS is a cloud service that offers development and deployment environments for application services. Platform as a service (PaaS) is defined as application infrastructure functionality enriched with cloud characteristics and offered as a service.
Antiphospholipid (AN-te-fos-fo-LIP-id) antibody syndrome (APS) is an autoimmune disorder. Autoimmune disorders occur if the body's immune system makes antibodies that attack and damage tissues or cells. Antibodies are a type of protein. They usually help defend the body against infections. In APS, however, the body makes antibodies that mistakenly attack phospholipidsâa type of fat.