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One of the first basic PACS was created in 1972 by Dr Richard J. Steckel. [7]: 6 The principles of PACS were first discussed at meetings of radiologists in 1982. Various people are credited with the coinage of the term PACS. Cardiovascular radiologist Dr Andre Duerinckx reported in 1983 that he had first used the term in 1981.
In order to give the definition for something that is PAC-learnable, we first have to introduce some terminology. [2] For the following definitions, two examples will be used. The first is the problem of character recognition given an array of bits encoding a binary-valued image. The other example is the problem of finding an interval that will ...
A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.
PACs is the plural of PAC; for example: Political action committees, groups organized to elect or defeat political candidates; Premature atrial contractions; Other
Merton believed that it is multiple discoveries, rather than unique ones, that represent the common pattern in science. [4] Merton contrasted a "multiple" with a "singleton"—a discovery that has been made uniquely by a single scientist or group of scientists working together. [5] The distinction may blur as science becomes increasingly ...
Science Journal for Kids is an online scientific journal that publishes adaptations designed for children and teens of academic research papers that were originally published in high-impact peer-reviewed journals, as well as science teaching resources for teachers.
Pacifica Coin, see List of TCP and UDP port numbers#Registered_ports; Perceptual Audio Coder, a lossy audio compression algorithm; Pin Array Cartridge, an integrated circuit packaging type
However, according to Claudia Zaslavsky's book Tic Tac Toe: And Other Three-In-A Row Games from Ancient Egypt to the Modern Computer, Tic-tac-toe could be traced back to ancient Egypt. [6] [7] Another closely related ancient game is three men's morris, which is also played on a simple grid and requires three pieces in a row to finish. [8]