四甲 meaning in Chinese
sijia
Examples
- R is tetramethylene, pentamethylene, or hexamethylene .
R为四甲撑、五甲撑或六甲撑。 - Synthesis of d - 1 - acetyl - 1 , 2 , 2 , 3 - tetramethylcyclopentane
四甲基环戊烷的合成改进 - Spectrophotometric determination of residual chlorine in water with tmb
用四甲基联苯胺分光光度法测定水中余氯 - Tetra methyl guanidine
四甲基胍 - Liquid fuels . separate determination of tetraethyl lead and tetramethyl lead in gasoline
液体燃料.汽油中四乙基铅和四甲基铅含量的单独测定