terpenes

organic acid, terpenes and esters reached to 87. 18%, are major components of the hindgut volatile. 3.

有机酸、酯类化合物和萜烯类化合物含量达到了87.18%，是华山松大小蠹雄虫后肠挥发物的主要成分。

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new progress in catalytic epoxidation research of terpenes

萜烯的催化环氧化反应研究新进展

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Juvenility cofactors have been identified as terpenes.

幼年辅助因子已经鉴定出是萜类化学物.

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The results indicated that: ( 1) the geographical variations of relative contents of most foliar terpenes are irregular;

结果表明：（1）油松针叶萜类相对含量以随机变异为主；

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the results as follows: 1. there were fifty-six compounds in different organs of the aquatic extracts of c. grandiflora and phenols and terpenes were their main components.

主要结果如下：1.大花金鸡菊不同器官水浸提液共检测出56种化合物，酚类和萜烯类是其主要组分。

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It may be composed of allelochemics such as alkaloids or terpenes.

它可以由异种化合物例如生物碱或萜稀组成.

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Juvenility confactors have been identified as terpenes.

幼年辅助激素已经鉴定出是萜类化学物.

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The relative content of esters in grapes with vertical trellis system was higher than that of pergola system during later maturation, while the relative content of ketones, aldehydes and terpenes lower.

篱架葡萄成熟后期酯类物质相对含量高于棚架，而酮醛类物质和萜类物质相对含量低于棚架。

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Conclusion The major chemical constituents of essential oil in Eupatorium adenophorum are terpenes.

结论紫荆泽兰挥发油的主要化学成分为萜类化合物.

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