英 [ˈlɪɡrəʊɪn] 美 [ˈlɪɡroʊɪn]
n. 轻石油，石油英；里格罗因
ligroin /ˈlɪɡrəʊɪn/
名词 a volatile fraction of petroleum containing aliphatic hydrocarbons of the paraffin series. It has an approximate boiling point range of 70°–130°C and is used as a solvent 轻石油
轻石油
挥发油
石油英
石脑油
粗汽油
里格苦因
... 石脑油;溶剂油;粗汽油;石油英;Grude oil 石脑油;粗汽油;naphtha;ligroin 石脑油;naphtha ...
... Ligonodinoides拟锄牙形石属 ligroin里格罗因 likenumber同类数 ...
... lignosulfonicacid木素磺酸 ligroin里格苦因 lime石灰 ...
... lignum 木材 ligroin 轻石油 ligula 唇舌 ...
Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.
本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯，其方法是溶剂萃取。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。