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ketene - перевод на арабский
ANY ORGANIC COMPOUND HAVING A CARBONYL GROUP CONNECTED BY A DOUBLE BOND TO AN ALKYLIDENE GROUP
Ketenes; Schmidlin ketene synthesis
ketene
كيتين
ketene
كيتين
Википедия
Ketene
In organic chemistry, a ketene is an organic compound of the form RR'C=C=O, where R and R' are two arbitrary monovalent chemical groups (or two separate substitution sites in the same molecule). The name may also refer to the specific compound ethenone H2C=C=O, the simplest ketene.
Although they are highly useful, most ketenes are unstable. When used as reagents in a chemical procedure, they are typically generated when needed, and consumed as soon as (or while) they are produced.
Примеры употребления для ketene
1. Speaking at a panel in Washington, Iraqi Turkmen Front Representative to the US Orhan Ketene addressed the subject of his community in the northern Iraqi city of Kirkuk saying that the group were being marginalized and that Turkey was being blocked from aiding them.
2. Turkmen groups are living under various threats, as they are afraid to go out or send their children to school.» Ketene drew attention to the fact that Kirkuk had already become a Kurdish city, "«Since many Turkmen and Christians could not vote in the January elections, their participation in Iraq’s political affairs is only symbolic,» he added.