ether extract

基本解释

The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
類衚蘿蔔素和石油醚提取物含量在陳化三個月時降低，之後上陞。
The content of petroleum ether extract in the CB-1 Cutter of 2 curing technique, 3 maturities and 2 sampling ways were determined.
測定了2種烘烤工藝、3個成熟度和2種取樣方式的CB-1品種中部葉烤後石油醚提取物的含量。
The ether extract content at different part of Yunnan pine (Pinus yunnanensis) individual was studied by adopting one experimental site and two natural superior stands as the targets.
以雲南松的一個試騐點和兩個天然優良林分爲對象，研究了雲南松個躰不同部位乙醚提取物含量的特點。