The key point of the odorization efficiency is the proper selection and utilization of the odorant.

燃气加臭效果的键在于加臭的合理选择与使用。

Tetrahydrothiophene is the preferred Odorant in city gas.It is being used widely in market with the success of West-to-East Gas Project.

四氢噻吩是城市燃气的首选加臭,随着我国西气东输等工程的建设成功,其市场前景广阔。

Pheromone binding proteins (PBPs) in insects are one branch of multigene family of odorant binding proteins (OBPs) and play an important role in the recognition of sex pheromone.

摘要昆虫信合蛋白是气味合蛋白多基因家族的一个分支，在昆虫识别性信过程中起重要作用。