所有软体动物均未检测出单丁基锡。
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；
Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne.
采用乙二醇单丁醚脱水的方法合成了高效的具有类似二丁基卡必醇结构的新金萃取剂体系，探讨了其合成工艺。
Hoping for dibutyl carbitol(DBC)through the dehydration of glycol butyl ether, a new highly effective extractant system for gold with structure similar to DBC was synthesized in this paper.
本文首次以曲霉油作为原料，选用乙二醇单丁醚作为溶剂，KOH作催化剂，碱催化异构化法制备共轭亚油酸。
Then conjugated linoleic acids were prepared from fungal oil by alkali isomerization using KOH as catalyst and 2-butoxy ethanol as solvent for the first time.
本文首次以曲霉油作为原料，选用乙二醇单丁醚作为溶剂，KOH作催化剂，碱催化异构化法制备共轭亚油酸。
Then conjugated linoleic acids were prepared from fungal oil by alkali isomerization using KOH as catalyst and 2-butoxy ethanol as solvent for the first time.
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