katodni zrak

Gamma rays are like the light we see with our eyes, the x-rays used to probe our bodies in search of problems, and the radio waves that our television sets translate into inane ...

alfa-zrak

Chimie; Chimie générale

A stream of alpha particles . Alpha rays rapidly dissipate their energy as they pass through materials, and are far less penetrating than beta particles and gamma rays .

isparljiv

Chimie; Chimie générale

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

abraziv

Chimie; Chimie générale

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 générale

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 générale

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 générale

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 ...