simply periodic
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Periodic current reversal — (PCR) is a current modulation technique that can be used in various electrochemical processes.In the most basic sense PCR simply means that the electrical current applied to the cell is reversed periodically but unlike pure AC the average (nett)… … Wikipedia
Periodic table — This article is about the periodic table of the elements . For other uses, see The Periodic Table. The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118… … Wikipedia
Periodic trends — In Chemistry, periodic trends are the tendencies of certain elemental characteristics to increase or decrease as one progresses from one corner of the Periodic table of elements.AcidityThe Lewis acidity of each element tends to increase when… … Wikipedia
Hypokalemic periodic paralysis — Infobox Disease Name = Hypokalemic periodic paralysis Caption = DiseasesDB = 6465 ICD10 = ICD10|G|72|3|g|70 ICD9 = ICD9|359.3 ICDO = OMIM = 170400 MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D020514 Hypokalemic periodic paralysis is a … Wikipedia
Group (periodic table) — The periodic table of the chemical elements. The columns represent the groups In chemistry, a group (also known as a family) is a vertical column in the periodic table of the chemical elements. There are 18 groups in the standard periodic table,… … Wikipedia
Music theory — is the study of how music works. It examines the language and notation of music. It seeks to identify patterns and structures in composers techniques across or within genres, styles, or historical periods. In a grand sense, music theory distills… … Wikipedia
china — /chuy neuh/, n. 1. a translucent ceramic material, biscuit fired at a high temperature, its glaze fired at a low temperature. 2. any porcelain ware. 3. plates, cups, saucers, etc., collectively. 4. figurines made of porcelain or ceramic material … Universalium
China — /chuy neuh/, n. 1. People s Republic of, a country in E Asia. 1,221,591,778; 3,691,502 sq. mi. (9,560,990 sq. km). Cap.: Beijing. 2. Republic of. Also called Nationalist China. a republic consisting mainly of the island of Taiwan off the SE coast … Universalium
Aperiodic tiling — are an aperiodic set of tiles, since they admit only non periodic tilings of the plane:] Any of the infinitely many tilings by the Penrose tiles is non periodic. More informally, many refer to the Penrose tilings as being aperiodic tilings , but… … Wikipedia
Astronomical naming conventions — In ancient times, only the Sun and Moon, a few hundred stars and the most easily visible planets had names. Over the last few hundred years, the number of identified astronomical objects has risen from hundreds to over a billion, and more are… … Wikipedia
Kilogram — Kg redirects here. For other uses, see Kg (disambiguation). Kilogram A computer generated image of the international prototype kilogram (IPK). The IPK is the kilogram. The IPK, which is roughly the size of a golf ball, sits here alongside a ruler … Wikipedia
