0 the alkyl that comes from methane; often used before another noun in the name of chemical substances:
The four main parabens used as preservatives are methyl, ethyl, propyl and butylparabens.
methyl bromide
methyl alcohol
Consumption and production of methyl bromide was frozen at 1991 levels beginning 1995.
In cotyledons, methyl esterification ranged from 25 to 40 mole% and was 31 mole% after desiccation.
The holes as well as the thermocouple junctions were sealed by coating them with dissolved methyl methacrylate.
Above this lowest aluminium block is a low-conductivity layer of methyl methacrylate.
This gives the best resolution of methyl esters.
When a hydrogen atom is abstracted from the methyl group, the cyclopropane ring of the radical produced opens up in a fast and irreversible step.
All beans were fumigated with methyl bromide prior to use in cultures to avoid contamination by other thrips species.
Although the ratios varied, the mean ratio for these two volatiles after 12 days of feeding was 4 : 1 o-nitrophenol : methyl salicylate.
