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алкилен (a bivalent saturated aliphatic radical (such as ethylene) regarded as derived from an alkene by opening of the double bond or from an alkane by removal of two hydrogen atoms from different carbon atoms  merriam-webster.com); алкен (2 : This is not obsolete in the functional group usage for chemical patent claims and descriptions; used along with alkenylene and alkynylene.
merriam-webster.com) | |||
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| алкилены | |||
| alkylene: 26 phrases in 6 subjects |
| Chemical nomenclature | 3 |
| Chemistry | 8 |
| Makarov | 8 |
| Oil and gas | 1 |
| Organic chemistry | 2 |
| Polymers | 4 |