Absorpsjon
Absorption
Absorption er opsugning eller optagelse af
vand, luftarter eller andre
stoffer ved aktive eller passive mekanismer. Absorption betegner også optagelse af
energi fra solstrålingen.Ved at måle
lyset fra fjerne
stjerner kan astronomer finde ud af hvilke
grundstoffer disse indeholder. På grund af absorption, vil visse
bølgelængder af lyset blive opsuget, og disse "opsugninger" ses som sorte streger i et spektrogram. Dette kaldes
spektrografi.De sorte streger kaldes absorptionslinjer og vil på spektret være skrå. Dette skyldes rødforskydningen. Ser vi fx på lys udsendt fra en planet (som jo er solens lys der rammer planeten og reflekteres) vil absorptionslinjerne være skrå da planeten roterer. Idet solens lys rammer planeten rødforskydes det (en form for afbøjning) og idet lyset dernæst reflekteres rødforskydes det igen, vi observerer altså en dobbelt rødforskydning. Dette kan bruges til at udregne rotationshastigheden.
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absorber
v.
absorb, suck up; suck in, take up; preoccupy, engross; occlude (Chemistry)
Absorbere
absorber
= absorb, steep + Reflexivo + in, take up, hijack, take in, soak in, co-opt, soak up.
Ex: For the majority, however, IT was regarded as simply another topic to absorb into syllabuses.
Ex: The great storyteller, FC Sayers, having advised the beginner to 'steep himself in folklore until the elemental themes are part of himself,' explains how best to get command of a tale.
Ex: The rows over Britain's contributions to the Community budget and runaway spending on the the Common Agricultural Policy (CAP), which took up two thirds of the budget, were documented blow by blow in the press.
Ex: Information may have been hijacked as the province of computer operators rather than librarians.
Ex: People like to browse the books and magazines, take in the ambiance, and be seen and perceived as a patron of the arts and literature.
Ex: Among the visual attributes found to be most useful were: absorption (soaks in, sits on top), luster (shiny, dull), flakiness (doesn't flake off, flakes off), and thickness (thin, thick).
Ex: Social workers accused librarians of moving into their territory, of co-opting their activity, of doing social work without training, of being representative of establishment interests.
Ex: They gradually soak up language, discovering the rules by which it works almost without noticing it.
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* absorber tiempo = absorb + time.