talas

A wave in which the particles of the medium oscillate continuously about their mean positions regularly at fixed intervals of time is called a periodic wave.

transverzalni talas

Fizică; Fizică în general

A wave in which the particles of the medium oscillate in a direction perpendicular of the direction of propagation of wave.

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: Persoane Categorie: Ceremonii

Tereza Skanlan

The winner of the 2011 Miss America pageant. Scanlan, A 17-year-old and recent high school graduate from the western Nebraska town of Gering captured ...