From the potential value of mineral resources and its realization, this paper discusses the distribution pattern of resource proceeds among the mining－ rights, proprietary rights, and questions related to evaluation of mining－ rights.

It is thought that a novel situation of production and breeding in rice would be initiated if the potential value of polyploid rice is excavated.

The finding of Customer value especially the customer potential value plays the role in acquiring new customers and keeping old customers.

Being its natural coding, technology existing in the course of design and invention forms its inner values; being its social coding, technology growing in the course of development and production forms its potential values; being its social expression, technology realized in the course of application and popularization shapes its practical value.

Methods Mortality rate,disease-specific mortality rate,valued years of potential life lost(VYPLL) and years of life lost(YLLs) were used to analyze causes of death.

Methods Residents in commercial,cultural and industrial communities in Chongqing were sampled with cluster sampling method to analyse mortality rate of accidentil death,years of potential life lost(YPLL) and valued years of potential life lost(VYPLL).