烃类 alkanes; hc hydrocarbon; hydro carbons; hydrocarbon compounds; hydrocarbons
饱和 (在一定温度压力下, 溶液可含溶质的量达到最大限度, 不能再溶解, 泛指事物达到最高限度) saturation; saturated 气体饱和 gas saturation; 旧汽车市场已经饱和。 the market for the used car is saturated.; 饱和参量 saturation parameter; 饱和值 saturation value
The gc - ms analysis indicated that the principal constituent of the volatile oil was alkyl - alcohol and alkene compound ( account for 62 ~ 78 percent of the total ) , the content of saturation hydrocarbon and organic acid was in the secondary place 挥发油的gc - ms分析表明:川白芷挥发油的主要成分是烷醇类和碳烯类化合物,含量较高,约占整个挥发油的62 78 ,其次为饱和烃类与有机酸类。