nano-

nano-

Prefix used in the SI system meaning "multiply by 10-9". For example 1 nm means "0.000000001 m"; 2.8 ng could also be written "2.8 × 10-9 g".

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Loại từ: noun
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Ngành nghề/Lĩnh vực: Chemistry
Category: General chemistry
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ato-

Chemistry; General chemistry

Prefix used in the SI system meaning "multiply by 10-18". For example, 3 am means 3× 10-18 meters.

femto

Chemistry; General chemistry

Prefix used in the SI system meaning "multiply by 10-15". For example 22 fg means 22× 10-15 g.

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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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 ...