linija apsorpciona

linija apsorpciona

1) Dark line in a spectrum, produced when light or other electromagnetic radiation coming from a distant source passes through a gas cloud or similar object closer to the observer. Like emission lines, absorption lines betray the chemical composition and velocity of the material that produces them.

2) Dark line superposed on a continuous spectrum, caused by the absorption of light passing through a gas of lower temperature than the continuum light source.

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품사: 명사
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분야/도메인: 천문학
카테고리: 일반 천문학
Company: Caltech
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linija

수학; 기하학

a two-dimensional object that has no endpoints and continues on forever in a plane; formed of infinite points; the 3 orientations that lines may have are horizontal, vertical, ...

linija

예술사; 시각 예술

A mark that defines a shape, a contour, and, more generally, marks that make up the design of a picture. Lines are key to establishing structure and movement in a picture.

apsorpciona spektroskopija

화학; 일반 화학

A technique for determining the concentration and structure of a substance by measuring the amound of electromagnetic radiation the sample absorbs at various wavelengths .

apsorpciona hromatografija

화학; 분석화학

Separation of a chemical mixture (gas or liquid) by passing it over an adsorbent bed which adsorbs different compounds at different rates.

apsorpciona hromatografija

화학; 일반 화학

A technique for separating or analyzing mixtures that contain at least one component that is preferentially adsorbed by the stationary phase as it moves over it.