The type, character istic, mechanism of formation reaction and application of multi-component complex using bisazo derivative of chromotropic acid as ligand are introduced.
An overview of the pharmacological effects of lycorine and its derivatives is given, and advice for further research of lycorine and its derivatives is suggested.
In this paper, a comprehensive survey for the state of art of a posteriori error estimates in finite element computation for magnetostatics since 1980s is presented.
Starting from the summery, economic development foundation and incorporative development of Jing-jin-ji area, the paper makes 6 policies for the regional economic development of the area.
Studies on heat exchanger aluminum fin precoat of air conditioner were reviewed. Six types of precoat as well as the application of hydrophilic precoat were described.
Development trend of domestic third-stage multiclone is expounded as well as the problems such as single tube wearing, low capacity of single tube and the inappropriate catalyst exhaustion.