According to the confining pressure environment of high-stress soft-rock failure and its failure characteristics under this environment, the mechanism of high-stress soft-rock Problem is analysed and a differential equation discribing the relation between openings converging end failure zone s expanding is established.

The investigation and analysis on the ionization radiation of linear accelerator of tumour hospital to the surrounding environment;

Numerical analysis of influence of vacuum preloading method on surrounding environment;

The investigation on radioactivity levels of radioactive source storehouses and surrounding environment were conducted in logging CO.

In this paper,through ionizing radiation monitoring and environment survey aboutγradiation installations,analyzing and discussing practical dose data about occupation and public annual effective dose equivalent,the result is lower than the one fourth of dose limit from basic standards for protection against ionizing radiation and for the safety of radiation sources(GB 18871-2002).

It introduces species of re-development of city, illustrates considered factors from integral appearance and around environment, and settles fall development through re-development of old city, which adds activity of old city.

Heave is produced because of deep mixing piles construction s extrusion effect to ambient soil according to a project measured data, and effect degree to ambient environment is analysiszed by some construction element.

This article analyzes the elements which formed the environmental atmosphere, and provides information in the elements of interior environment design.

This paper has discussed the ways to increase the quality of circulation service in libraries from different aspects,including the establishment of new service concept,enhancement of regulations construction,establishment of good environmental atmosphere and the enhancement of personal self-cultivation and personal glamour.