Abstract: The present invention provides a high-purity glucose-based compound ultra-highly substituted with a biopolymer, in which a surface of a glucose-based compound as a natural material is ultra-highly modified with a biopolymer to improve compatibility and dispersibility with biodegradable polymers, thereby significantly improving the mechanical properties of the biodegradable polymer composite.

Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.

Abstract: The present invention is related to portable sanitary sheet for seated toilet bowl that represents distinctive property of portability, advantage of convenience in use and sanity compared with conventional sanitary sheet for seated toilet bowl. The detailed composition of the present invention features main body (10) which when placed on seat (5) with it's width & length forming rectangular, has hand grip (11) protruded to it's both sides, center hole (12) with at least more than 1 support part (13) connected to width direction and sticky resin-coated part (14) is partially formed in the area between hand grip (11) and center hole (12).