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作为中国散裂中子源(CSNS)首批建设的三套谱仪之一,小角散射谱仪用于探测物质体系在1~100 nm尺度内的微观和介观结构。它的实验应用范围将涵盖化学、物理、生物、材料、地质等广泛学科,服务于国家能源、环境、生物和新材料等诸多高科技研发领域。中国散裂中子源小角散射谱仪建成后,能为图1所示例的诸多科学探索与技术研发工作,提供必需的实验方法及其技术手段。一、中子散射技术的缘起与现状
As one of the first three spectrometers built by China’s Spallation Neutron Source (CSNS), the small-angle scattering spectrometer is used to detect the microscopic and mesoscopic structure of the material system at the scale of 1 to 100 nm. Its range of experimental applications will cover a wide range of disciplines such as chemistry, physics, biology, materials, geology and many other high-tech research and development fields serving the country’s energy, environment, biology and new materials. After the completion of China’s spallation neutron source small-angle scattering spectrometer, it can provide the necessary experimental methods and technical means for many scientific exploration and technology research and development work as shown in FIG. 1. First, the origin and current status of neutron scattering technology