The establishment of proper content criteria of marker compounds in medicinal herbs would be very important matter for t......

In this paper,empirical likelihood is applied to the linear regression model with inequality constraints....

为了对轨道线路间在轨道车站换乘服务水平进行定量评价,通过对乘客的问询调查,从乘客的使用角度出发,对各单个设施和车站换乘服务......

On the basis of Artificial Neural Network theory, a back propagation neural network with one middle rnlayer is building ......