The test result of the X-ray observation system is presented which have been developed Furniture Sets at Korea Astronomy Observatory for 3 years (1995-1997).The instrument, which is composed of detector and signal processing parts, is designed for the future observations of compact X-ray sources.The performance of the instrument was tested by mount

Background This in vitro investigation aimed to evaluate and contrast the surface roughness of various implant superstructure materials Furniture Sets before and after tooth brushing simulation.Objectives To evaluate the surface roughness of G1- PMMA Polymethyl Methacrylate G2- Polychrome composite and G3- Direct Metal Laser Sintering DMLS glazed P

During downstream drifting in high-speed steams, semi-buoyant fish eggs can run onto rocks, boats, and other surfaces.This will result in the abrupt and severe collision shock to the fish eggs, causing damage to fish eggs and potentially leading to their death.For protection of fish stocks and river management, it is crucial to understand the impac

[Purpose/Significance] This paper systematically reviews the current situation and characteristics of major agricultural open scientific data resources, so as to provide references for a "digital government" to manage and use scientific data.[Method/Process] The concept and connotation of agricultural scientific data were determined, and the invest