Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using stannous chloride as catalyst.以非质子...
Divide the sauce among 4 bowls.把酱汁分到 4 个碗里。They displayed some bowls of glazed earthenware.他们展出了一些上釉的陶碗.Some bowls were made of pottery and wood.一些碗是用陶土和木头制成的。White ceramicware asas green - splashed bowls and ewers are k...