The ARIMA model used in forecasting of traffic volume in short interval on the link;

Characteristics of main artery traffic volume;

First,the commonness and defects of the existing combinatorial model for urban traffic distribution and assignment were analyzed.

Through the analysis of the economical status, and the increasing rates of the passenger transport and the freight, the article introduces the traffic forecast method of this area in detail.

According to the equivalence of traffic forecasting and function estimating and approaching,the essay puts forward a method of short-term traffic forecasting which is based upon wave decompounding and support vector regress.

The application study of traffic flow forecast model based on grey neural network;

Optimal Time Interval and Lookback Interval of Short-term Traffic Flow Prediction under Free Traffic Condition;

The influences of overload control on highway transportation and traffic flow are elaborated.

Study on the exchange flux of the DIN through the sediment-water interface in the Yangtze Estuary;

A Study on the Nutrients Exchange Flux between Bottom Sediment and Water Layer for Bohai Bay;

The profile distribution of nutrients and exchange fluxes at the sediment-water interface were analyzed in the six sites of the inner Pearl River Estuary in April 2005.

The sediment-water interface nutrients exchange fluxes of BLG(Bailong-gang tideland) and LG(Laogang tideland) with sewage outfalls were studied compared with those of the CY(Chaoyang tideland) without sewage outfall.

According to the stagnant two film model, the direction and magnitude of exchange fluxes of PAHs across air water interface in Luhu Lake were calculated based on above data.

The exchanging fluxes of carbonyl sulfide(COS)were investigated by using static method for 6 tree species in Beijing city in fall.

The exchanging fluxes of carbonyl sulfide(COS)and dimethyl sulfide(DMS)were investigated by using static method between lawn and atmosphere.