The paper describes the working principle and structure of a newly designed high-precision ( microgal) gravimeter,which is basically a vertically suspending spr
In this paper,a self contained capsubot (capsule robot) propulsion mechanism is investigated.The proposed capsubot works on the principle of internal force-stat
Based on land-use database updated with the survey of 1996, 2000, 2004 and 2008, this paper analyzed the land-use changes in the typical transect area along Nat