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.
APA defined. APA (American Psychological Association) is most commonly used to cite sources within the health sciences and social sciences fields. This resource, revised according to the 5th edition of the APA manual, offers examples for in-text citations, endnotes/footnotes, and your bibliography or reference page.