safety feature
2.This paper presents the independent Verification and Validation (V&V) process for safety software of Programmable Logic Controller (PLC) ,Digital Reactor Protection System (DRPS), and Engineered Safety Feature-Component Control System (ESF CCS) in Korea Nuclear Instrumentation and Control System (KNICS) projects.
3.Based on the previous studies, this paper developed a road traffic safety affecting macro-factors set and its interactive model for the road traffic and society environment system in addition to a 4-dimenssional road traffic safety feature description model, through systematic analysis and the analysis of interactive rules.
7.The government contract privilege is the most important feature to differentiate administrative contract from civil contract, it guarantees the administrative organ occupy the leading position in the government contract and safeguard the safety at public interest represented by the administrative organs.
8.Abstract: This paper has deseribed the principles of preparation and technological process about nitrogen-based sintering atmosphere by ammonium cracked and burnt.The chemical effect in sintering furnace is discussed.The effects of it on the carbon content of the iron base structure materials were studied.The superior feature and technical &economic value in saving energy,in cutting down the consumption of raw materials,in waking use of natural resources,in environmental protection,in safety,etc.,have been brought to light.

