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Water containing deuterium, a heavy isotope of hydrogen.

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Band

A series of very closely spaced, nearly continuous molecular orbitals that belong to the crystal as a whole.

Alkynes

Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds.

Dosimeter

A small, calibrated electroscope worn by laboratory personnel and designated to detect and measure incident ionizing radiation or chemical exposure.

Disproportionation Reactions

Redox reactions in which the oxidizing agent and the reducing agent are the same species.

xylic acid

Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

Metallurgy

Refers to the overall processes by which metals are extracted from ores.

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Critical Point

The combination of critical temperature and critical pressure of a substance.

Amine

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Adhesive Forces

Forces of attraction between a liquid and another surface.