The Research on Recycle of the HTPB Propellant Scrap;

Study on the Feasibility of Disposal of Ball Cartridge Scrap by Burning of Boxes;

This paper introduces the experience of maintenance and management of speed control system of boosters and retarders in the Nanjing-East marshalling station and puts forward the period of overhaul and scrap for booster and retarders,combinging maintenance practice for many years.

Analysis of discarding reason and reuse of the bore;

It provided the function of equipment data file feeding,omitted these repeated job for data recording,and provided the function of managing equipment from yielding the account to discarding.

This paper analyzed the characteristics,the present situation and the causes of the instruments and installations,discarding.

The oil product contamination and the right judgment method of rejection are summarize

According to the result of statistical analyses for the discarding tires of Jinan Baode Automobile Conveyance Co.

The problems existed in the management of university instruments and equipments were pointed out through discarding and treating analysis.

The analysis of structure and principle of operating of cardan shafts between transmission boxes and starting generators of Beijing locomotives reveals the main reasons of scrapping of cardan shafts.