extraction n. 1.抽出,拔出。 2.【化学】提取(法);萃取(法);回收物,提出物;精炼。 3.精选,摘要。 4.血统,家世,出身。 5.【数学】开方,求根。 spirit of the first extraction 原汁酒。 a man of foreign extraction 外国(血统的)人。 extractions from a book 一本书的内容摘录。 an extraction of 81 percent 百分之八十一的出粉率,八一粉。 the extraction of root 【数学】开方法,求根法。
continuous adj. 1.连续的,继续的,无间断的。 2.【植物;植物学】无节的。 a continuous current 恒(向电)流。 continuous fire 连续射击。 continuous rain 连绵不断的雨。 a continuous train of thoughts 一连串的思想。 a continuous wave (radar) 等幅波(雷达)。 adv. -ly
Subsoil and groundwater ; designation and description of soil types and rock ; borehole log for boring in soil loose rock by continuous extraction of cores 下层土和地下水.土壤类别和岩石的标识和说明.第3部分
Au radioactive tracer method . the effect of several variables such as stripping agent concentrations , the volume ratio of stripping agents to gold loaded organic phase and the continuous extraction after stripping was studied under 20 . it is found that nh 等对季铵盐载金有机相的反萃,考察了反萃剂的浓度有机相与反萃剂的体积比等对反萃率的影响。