In chemistry and materials science, impurities are chemical substances inside a confined amount of liquid, gas, or solid. They differ from the chemical...

material or compound. Impurity may also refer to: Impurity (Fleshcrawl album), 1994 Impurity (New Model Army album), 1990 Gini impurity, in decision tree...

A magnetic impurity is an impurity in a host metal that has a magnetic moment. The magnetic impurity can then interact with the conduction electrons of...

"pure", respectively. The Hebrew noun ṭum'ah, meaning "impurity", describes a state of ritual impurity. A person or object which contracts ṭum'ah is said...

Impurity after childbirth is the concept in many cultures and religions that a new mother is in a state of uncleanliness for a period of time after childbirth...

p-type semiconductor is formed. These dopant elements represent trivalent impurities. Other trivalent dopants include indium (In) and gallium (Ga). When substituting...

The Anderson impurity model, named after Philip Warren Anderson, is a Hamiltonian that is used to describe magnetic impurities embedded in metals. It...

electrons. A dopant with five valence electrons is also called a pentavalent impurity. Other pentavalent dopants are antimony (Sb) and bismuth (Bi). When substituting...

and all the samples that should have been classified as positive. Gini impurity, Gini's diversity index, or Gini-Simpson Index in biodiversity research...

their conducting properties may be altered in useful ways by introducing impurities ("doping") into the crystal structure. When two differently doped regions...

investigation into ARB drug products; reports on finding of a new nitrosamine impurity in certain lots of losartan and product recall" (Press release). U.S. Food...

taught that any Israelite who touched a corpse, a Tumat HaMet (literally, "impurity of the dead"), was ritually unclean. The water was to be sprinkled on a...

that he had touched human remains. The impurity that is caused by the dead is considered the ultimate impurity, one which cannot be purified through the...

purer material solidified behind it as it moves through the ingot. The impurities concentrate in the melt, and are moved to one end of the ingot. Zone refining...

Scouring removes soluble and insoluble impurities found in textiles as natural, added and adventitious impurities: for example, oils, waxes, fats, vegetable...

In quantum mechanics, ionized impurity scattering is the scattering of charge carriers by ionization in the lattice. The most primitive models can be conceptually...

many-body local problem, called an impurity model. While the lattice problem is in general intractable, the impurity model is usually solvable through...

and places. Ritual uncleanliness is not identical with ordinary physical impurity, such as dirt stains; nevertheless, body fluids are generally considered...

potential for detection of an amount of unexpected impurity, N-nitrosodimethylamine (NDMA) impurity in the product". U.S. Food and Drug Administration...

dissolving a mixture of a compound and impurities in an appropriate solvent, either the desired compound or impurities can be removed from the solution, leaving...

the detection of trace amounts of an unexpected impurity found in the finished drug product. The impurity detected in the finished drug product is N-nitrosodiethylamine...

Impurity is a studio album by British rock band New Model Army, released in 1990. It was the first album without bassist Jason Harris, who had been replaced...

example C8He with He inside a cube, or He@Mo6Cl8F6. Impurity helium condensates (IHCs) (or impurity helium gels) are deposited as a snow-like gel in liquid...

Burning Off Impurities is the third studio album by American experimental rock band Grails, released on Temporary Residence Limited in 2007. All songs...

Anderson. It relates to the introduction of a magnetic impurity in a metal. When a magnetic impurity is introduced into a metal, the conduction electrons...

an unexpected impurity found in an active pharmaceutical ingredient (API) manufactured by Zhejiang Huahai Pharmaceuticals. The impurity detected in the...

parts per million of impurities) is melted in a crucible at 1,425 °C (2,597 °F; 1,698 K), usually made of quartz. Dopant impurity atoms such as boron or...

anticipated menstrual cycle, and thus entered a state of ritual impurity. The equivalent impurity that can be contracted by males, by experiencing an abnormal...

These scattering mechanisms are: Umklapp phonon-phonon scattering, phonon-impurity scattering, phonon-electron scattering, and phonon-boundary scattering...

describes the scattering of conduction electrons in a metal due to magnetic impurities, resulting in a characteristic change i.e. a minimum in electrical resistivity...