Aiming at the problem that gradient projection method for adjusting the link price is slower convergence in TCP/AQM dual model,the BFGS method with a faster convergence rate is used to calculate the link price and a congestion rate control algorithm by using BFGS method is presented in this paper.

The electricity price chain in China and its creation mechanism are studied,and it is.

Discussion on International Market Equilibrium Price of Iron Ore Resource;

Analysis on linkage between gold price and oil price;

Calculation Method of Cost and Price of Investment Castings;

There are many factors affecting the pricing for bidding thermal power projects in market economy,such as state industrial,tax and economy policies,technology level and design standards,market access,material price,geological and hydrological characteristics,location and transportation,regional economy,etc.

In this paper,we consider a problem of economic manufacturing quantity and sell pricing for an unreliable production system where the machine lifetime is subject to exponential distribution,and the failure rate of the machine depends on the production rate.