日本核事件以来,海洋放射性污染严重,引起国际社会的关注,海洋放射性探测成为海洋环境污染监测的重要内容.新研制的海洋走航式放射性探测仪能够实时、快速地获得海洋放射性污染程度、扩散范围等现场数据,也可以用于大范围海洋放射背景场的调查研究.仪器软件以Windows为平台,采用人机交互式界面设计.仪器的稳定性良好,分辨率满足野外测量要求,进一步改进并充分试验后,可用于海洋环境放射性实时监测.%The serious radioactive contamination of marine environment attracted the whole world's attention after the Japan nuclear incident. Then the marine radioactivity detection became an important part of marine environment contamination monitoring. The newly researched and manufactured marine underway radioactive detecting instrument could allow us quickly, accurately and timely obtain the contamination degree, diffusion range and other data about marine radioactive contamination. Meanwhile, the instrument could also be used in the investigation of widespread oceanic radioactive background. It took the operating system "Windows" as the work platform and adopted the design of human-computer interaction. Results of performance test of the instrument indicated that its stability was very well and its resolving capability was sufficient for the requirements of field survey. So the instrument is qualified for the real-time monitoring the radioactivity of marine environment after further improved and fully tested.
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