Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63.合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.HEDTA ( N - hydroxyethyl ethylene diamine triacetic acid )N - 羟乙基乙二胺三醋酸 ( 有机螯合剂 )Dialysis and ethylene di...
From a concealed vantage point, he saw a car arrive...他从一个隐蔽的有利位置望出去，看见一辆车开了过来。From the vantage point of the present he saw the unquestioning love and support that had been lavished upon him for his first twenty-five yea...