ether extract

基本解释

The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
类胡萝卜素和石油醚提取物含量在陈化三个月时降低，之后上升。
The content of petroleum ether extract in the CB-1 Cutter of 2 curing technique, 3 maturities and 2 sampling ways were determined.
测定了2种烘烤工艺、3个成熟度和2种取样方式的CB-1品种中部叶烤后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.
以云南松的一个试验点和两个天然优良林分为对象，研究了云南松个体不同部位乙醚提取物含量的特点。