The Relation between the Compaction of Highway Bitumen Pavement and Cost;

The paper brings forward several measures to control the compaction of asphalt pavement construction cost.

It analyzes quality problems due to construction process of drill-pouring pile and various factors for increased cost,which is based on construction experiences and academic evaluation method,and puts forward specific measures to control project quality and cost.

This paper presents a mathemtical analysis of Coase theorem of property right anda revelation of that when the determination of property right is independent of the costs, thedistribution of social resources is most reasonable; while the determinatioton of property rightdepends on the cost.

To analyse the cost expenses and the cost controlled of development item of real estate;

Maintenance cycle and expenses cost of information system security;

Maintenance Cycle and Expenses Cost of Network Information System

This issue discusses the relation between security probability and expenses cost of the network information systems;being appraisement rule,the systems security increment provides gist to select the best risk control project;in virtue of Lagrange s multiplication,distributing logically the cost increment,it makes the integer security of network information systems to tiptop.

Against the appropriately raise of power grid tariff on July 1st,2008 in Fujian, the adding electricity cost brought to typical electricity customers by tariff raise is investigated and made out.