optička aktivnost

optička aktivnost

A substance that is capable of rotating plane-polarized light. Molecules of an optically active substance cannot be superimposed on their own mirror images, just as your left hand cannot be superimposed on your right when both are held palm-down.

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Categoria: Chimica (generale)
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aktivnost

Chimica; Chimica (generale)

Učinkovita koncentracija koja se koristi u termodinamičkim izračunima na mjestu stvarne koncentracije kako bi se omogućilo razvijanje jednadžbe za idealne otopine koja se onda ...

seizmička aktivnost

Geografia; Geofisica

tremor of the earth's surface

aktivnost sunca

Astronomia; Galassia

The Sun during its 11-year cycle of activity when spots, flares, prominences, and variations in radiofrequency radiation are at a maximum.

Sunceva aktivnost, (sunca=sun)

Astronomia; Astronomia (generale)

The Sun during its 11-year cycle of activity when spots, flares, prominences, and variations in radiofrequency radiation are at a maximum.

isparljiv

Chimica; Chimica (generale)

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv

Chimica; Chimica (generale)

A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer

Chimica; Chimica (generale)

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija

Chimica; Chimica (generale)

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit

Chimica; Chimica (generale)

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...

grafit

Chimica; Chimica (generale)

An amorphous form of carbon , made of carbon atoms bound hexagonally in sheets (like chickenwire).

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Settore/Dominio: Persone Categoria: Sportivi

Flojd Mejveder

Born Floyd Sinclair on February 24, 1977, an American professional boxer. He is a five-division world champion, where he won nine world titles in five ...