polu-raspad

1) Spontaneous emission by a heavier element (such as uranium) of positively charged helium nuclei - alpha particles - comprising 2 protons and 2 neutrons. The result of this ...

radioaktivni raspad

Physics; General physics

The natural spontaneous disintegration or decomposition of a nucleus.

radioaktivni raspad

Anthropology; Cultural anthropology

The regular process by which radioactive isotopes break down into their decay products with a half-life which is specific to the isotope in question (see also radiocarbon dating).

isparljiv

Chemistry; General chemistry

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

abraziv

Chemistry; General chemistry

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

Chemistry; General chemistry

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

Chemistry; General chemistry

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

Chemistry; General chemistry

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

Chemistry; General chemistry

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

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Ipar/Tárgykör: Arts & crafts Kategória: Oil painting

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 ...