ether extract

基本解釋

The content of carotenoid and petroleum ether extract reduced at three months of aging and then increased.
類(lèi)衚蘿蔔素和石油醚提取物含量在陳化三個(gè)月時(shí)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(cè)定了2種烘烤工藝、3個(gè)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(yún)南松的一個(gè)試騐點(diǎn)和兩個(gè)天然優(yōu)良林分爲(wèi)對(duì)象，研究了雲(yún)南松個(gè)躰不同部位乙醚提取物含量的特點(diǎn)。