олефин

олефин

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 (CH2=CH2CH3), and 2-octane (CH3CH2=CH2(CH2)4CH3).

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ส่วนหนึ่งของคำพูด: noun
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อุตสาหกรรม/ขอบเขต: Chemistry
Category: General chemistry
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олефин шайыры

Chemistry; Organic chemistry

Long-chain polymeric material produced by the chain reaction of olefinic monomers, such as polyethylene from ethylene, or polypropylene from propylene.

олефин кополимері

Chemistry; Organic chemistry

Polymer made by the interreaction of two or more kinds of olefin monomers, such as butylene and propylene.

альфа олефин

Chemistry; Organic chemistry

An olefin where the unsaturation (double bond) is at the alpha position, that is, between the two end carbons of the carbon chain.

майшыт

Chemistry; General chemistry

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

нейтрино

Chemistry; General chemistry

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

қос жылу

Chemistry; General chemistry

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

Chemistry; General chemistry

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

гидроксил

Chemistry; General chemistry

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

дәлдік

Chemistry; General chemistry

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 ...