Analyzing the road net,this paper concisely introduce the traffic organization during the repair of Dongguanbei Bridge,which affords a viable route for distributaries during the repair.

Optimization of fermentation conditions of L-tryptophan based on pathway analysis and metabolic flux analysis;

Optimization of fermentation conditions of guanosine based on pathway analysis;

According to the pathway analysis,the L-glutamic acid produc- tion is expected to be raised by strengthening the flux of the key node such as citrate through changing the environmental factors.

Preparation principle and path analysis of iron-based products from iron pyrite cinder by wet method;