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There are different scales, denoted by a single letter, that use different loads or indenters. The result is a dimensionless number noted as HRA, HRB, HRC, etc., where the last letter is the respective Rockwell scale. Larger numbers correspond to harder materials. When testing metals, indentation hardness correlates linearly with tensile ...
Computer-aided assessment can be viewed in a few different ways. Technically, assignments that are written on a computer and researched online are computer-aided assessments. One of the most common forms of computer-aided assessment (in terms of e-learning) is online quizzes or exams. These can be implemented online, and also marked by the ...
POP—Point of Presence; POP3—Post Office Protocol v3; POSIX—Portable Operating System Interface, formerly IEEE-IX; POST—Power-On Self Test; PPC—PowerPC; PPI—Pixels Per Inch; PPM—Pages Per Minute; PPP—Point-to-Point Protocol; PPPoA—PPP over ATM; PPPoE—PPP over Ethernet; PPTP—Point-to-Point Tunneling Protocol; PR—Pull Request
HRC, the C-scale of the Rockwell scale for measuring the indentation hardness of a material; HRC, the human gene for the histidine rich calcium binding protein; Harmonically-related carriers, a cable TV signal modulation technique; High Resistance Connection, an undesirable phenomenon resulting from loose or poor connections in electrical circuits
PDF has (as of version 2.0) 25 graphics state properties, of which some of the most important are: The current transformation matrix (CTM), which determines the coordinate system; The clipping path; The color space; The alpha constant, which is a key component of transparency; Black point compensation control (introduced in PDF 2.0)
When the HRC modified it, it became a 100-point system, as opposed to Grant's 10-point one. [7] In its first year, the Corporate Equality Index awarded its 100 percent rating to 13 businesses. [8] Each year, there has been an increase in the number of businesses that achieve this rating.
PDF (gene), a gene that in humans encodes the enzyme peptide deformylase; Palladium fluoride (PdF), a series of chemical compounds; Parton distribution function, in particle physics; Peak draw force, in a compound bow in archery; Percival David Foundation of Chinese Art; Pigment dispersing factor, in biology; Planar deformation features, in geology
Grading in education is the application of standardized measurements to evaluate different levels of student achievement in a course. Grades can be expressed as letters (usually A to F), as a range (for example, 1 to 6), percentages, or as numbers out of a possible total (often out of 100).