Effects of optimal levels of the dietary electrolyte balance(DEB) on the age at egg-laying maturity, laying performance, egg quality, serum traits were investigated in a 6-week feeding trial.

Analysis of forming mechanism of the hollow yarn and its product development;

Trends and product development of condiments;

Casein fiber and its product development;

Production development and manufacturing are playing important parts in this process, and the problems of production development project scheduling and shop scheduling are the kernel of them.

Products structure and new products development of plate of Chongqing Iron and Steel Co.;

Against the backdrop of the current edible salt monopoly,the approach to get rid of plight lies in modernizing the marketing conception,diversifying the products development,differentiating end products packages,internationalizing the market expansion and strategizing brand enhancement.

The products characteristics of highspeed wire rod mill of Baosteel which has the international advanced level was introducedMean while, the products development situation and prospect were introduced too

A textile enterprise should fully consider such factors as product combination, product developing strategy, market opportunity and policy guarantee system in the process of making its product developing strategy.

Aiming at the problems of product developing and reusing of case model,structure of case-base on case matching,information and standardization is brought forward.

By the researching on product developing project based on the analysis of the product warranty cost, the relationships between the product warranty cost and product developing technology are discussed, then we probe into the process of the optimizing product-developing project, the last to develop product project based on the lower-cycle s cost.