摘要:This paper presents a new method in the producton of glass deposition byevaporation,and the principle of ion bonibardment.The effect of ion bombardment to the filmadhesion is estimated by the observation of cross-sectiun sweep electron micrcocope.
摘要:This paper presents the application of sand-gravel-cushion technique in thefoundation of mountainous area inhomogeneity and analyges non-uniformity of the foundation inmountainous,It is different from the traditional theory of sand-cushion,This is a new developmentand able to make a full use of the rock debris fill and the combinational soil-rock foundation in the mountainous areas.