- Structural Modification of Pachymaran and the Mechanism Interaction between Azur A[J].
- Based on the catalytic effects of trace formaldehyde on the reaction between potassium bromate and oxidized azur A,a new catalytic spectrophotometric method has been developed in this paper.
- There is a vein of melancholy in his character.
- There was a long lag in forwarding mail to us.
- A bowl of hot chicken soup is good for you.
- A cloud is a mass of vapor in the sky.