гидроксил

гидроксил

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

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олефин

كيمياء; كيمياء عامة

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

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

нейтрино

كيمياء; كيمياء عامة

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

қос жылу

كيمياء; كيمياء عامة

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

كيمياء; كيمياء عامة

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

дәлдік

كيمياء; كيمياء عامة

Precision is reproducibility. Saying "These measurements are precise" is the same as saying, "The same measurement was repeated several times, and the measurements were all very ...

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المجال / النطاق: كيمياء الفئة: كيمياء عامة

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After separating from graphite, graphene is the world's thinnest and strongest material. This one-atom, carbon-based material can conduct electricity ...