gama zraci

gama zraci

A very high energy form of electromagnetic radiation , typically with wavelengths of less than 3 pm. Gamma rays are produced by certain nuclear decay processes, and are used to sterilize food.

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Industrie/Domeniu: Chimie
Categorie: Chimie în general
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gama-zraci

Aerospaţial; Zbor spaţial

Electromagnetic radiation in the neighborhood of 100 femtometers wavelength.

x-zraci

Astronomie; Marte

Very short wavelength radiations beyond the ultraviolet in the spectrum, which are about one ten-thousandth as long as the visible violet and are extremely penetrating.

x-zraci

Istoria artelor; Arte vizuale

A photograph using an x-ray. X-ray images have been used to identify what lies under the surface of a painting, including prior works or studies and sketches.

X-zraci, rendgenski zraci

Chimie; Chimie în general

A very high energy form of electromagnetic radiation (though not as high energy as gamma rays ). X-rays typically have wavelengths from a few picometers up to 20 nanometers. ...

isparljiv

Chimie; Chimie în general

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

abraziv

Chimie; Chimie în general

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

Chimie; Chimie în general

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

Chimie; Chimie în general

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

Chimie; Chimie în general

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

Chimie; Chimie în general

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

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Industrie/Domeniu: Arte şi meserii Categorie: Pictură în ulei

Mona Liza

The Mona Lisa is widely recognized as one of the most famous paintings in the history of art. It is a half-length portrait of a seated woman painted ...