periodic system


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per·i·od·ic sys·tem

the arrangement of the chemical elements in a definite order as indicated by their respective atomic numbers in such a way that groups of elements with similar chemical properties (similar valence shell electron number) are grouped together. See: Mendeléeff law.
References in periodicals archive ?
The irrational ratio between sampling and period is considered negligible by current algorithms to approximate periodic systems, such as Fourier Transform or polynomial approximations, but it is evident that a prediction in the long term will be influenced by any error in the approximation.
Two entire chapters are devoted to the work of Mendeleev who Scerri describes as the champion of the periodic system in two senses.
This ensures that the control system behaves as a periodic system.
It should be clear that the number of such questions is very large and can vary from the very simple to the very complex, once again emphasizing the inexhaustibility of understanding that lies in the periodic system and that is built into FLiPS.
Periodic system and process reviews can improve any businesses' operations.
Under the periodic system, the taxpayer establishes a bad-debt reserve account based on the ratio multiplied by the amount of the outstanding receivables.
The real periodic system has been exchanged / for a new chemistry with strange elements / they taste salt, and acrid, bloody and familiar.
The staff at Eddystone will also use a periodic system to monitor vibration.
Well be doing periodic system updates under the RMF process through ICS so the ranges will always have a current authority to operate.
Our task in this paper is the consideration of the first two versions of the Periodic System.

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