查询词典 cadalene

In extracts of source rocks of shahejie 1 group of Gulan low-lying abundant retene, simonellite and cadalene were detected. Their main origin should be lower organisms like algae.

在孤南洼陷沙一段烃源岩抽提物中检测到了较为丰富的惹烯、西蒙内利烯及卡达烯，其主要来源应是藻类等低等植物。

Surprisingly, cadalene, retene and perylene, usually used as the terrestrial biomarkers, are abnormally abundant in the Lower Paleaozoic source rocks.

卡达烯、惹烯和苝在下古生界烃源岩中的普遍存在充分说明它们不是可靠的陆源标志物，早古生代繁盛的兰绿藻等浮游植物无疑也是其主要的生物来源。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。