біркелкі

In accordance with Asbestos Hazard and Emergency Response Act (AHERA) definitions, an area of surfacing materials, thermal surface insulation, or miscellaneous material that is ...

біркелкі қоспа

Chimie; Chimie générale

A sample of matter consisting of more than one pure substance with properties that do not vary within the sample.

олефин

Chimie; Chimie générale

A compound that consists of only carbon and hydrogen, that contains at least one carbon-carbon double bond. Alkene names end with -ene. Examples are ethylene (CH2=CH2); 1-propene ...

майшыт

Chimie; Chimie générale

A colloid formed from tiny liquid droplets suspended in another, immiscible liquid. Milk is an example of an emulsion.

нейтрино

Chimie; Chimie générale

An elementary particle produced by certain nuclear decay processes. Neutrinos have no charge and extremely small masses compared to other subatomic particles.

қос жылу

Chimie; Chimie générale

A device that senses temperature changes by using a pair of joined wires made of dissimilar metals that produces a voltage that changes with temperature.

калориметр

Chimie; Chimie générale

An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.

гидроксил

Chimie; Chimie générale

1. An -OH group within a molecule. 2. A free radical formed by abstraction of a hydrogen atom from water.

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Secteur d’activité/Domaine : Langue Catégorie : Langue générale

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Received Pronunciation (RP), also called the Queen's (or King's) English,[1] Oxford English,[2] or BBC English, is the accent of Standard English in ...