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。
Study on extraction rate of trace elements in tea 茶叶中微量元素浸出率的研究
Effects of different solvents on extraction rate of qitaihe coal 不同溶剂对七台河煤萃取效果的影响
Advances in studies of extraction rate and health - careeffect of trace elements in tea 比色管顶空气相色谱法测定水样中三氯甲烷
Researches into the methods of raising the extraction rate of dioscingenin from dioscorea zingibernisis 快速提高盾叶薯蓣皂甙元提取率的研究
Study on correlation between particle size of oxidized copper ore and its metal extraction rate in heap leaching 堆浸工艺中氧化铜矿石粒级与浸出率相关性研究
Heiye extraction rate is high , less wastage fibre , fibre damage small and easy to operate , and other advantages 具有黑液提取率高、纤维流失少、纤维破坏程度小、操作方便等优点。
The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing 在自行设计的连续电泳萃取池内实验研究了电场强度、两相流速等因素对丁醇萃取率及传质通量的影响。
This phenomenon was closely related to the transportation and extraction rate of carbon atoms in the surface of catalysts at different temperatures 这种现象与不同温度下碳原子在催化剂表面的迁移和析出速率密切相关,也即与不同温度下催化剂的活性有关。
Leaching experiments of metakaolin show that the final al extraction rate in a batch reaction is strikingly influnced by the inferior pore struture geometry of the metakaolin pellets 在轻度润湿状态下制备的高岭石团粒,经煅烧后,仍具有发达的粒内大孔结构。
By introducing a licensing system and controlling the number of fishing licences i . e . limiting the entrants , the flp provides a framework for reducing the fishing effort , in turn slowing down the extraction rate of marine resources 透过引进发牌制度,以及规管牌照数目即限制牌照拥有人数目,鱼牌制度能减少捕鱼船数目,从而减慢海洋资源的开采速度。