【摘要】 介绍了基于微机的核设施环境评价软件包(NGLAR)的主要内容、设计原则和特点。该软件包包括:核设施气态流出物常规和事故释放环境评价程序(NGAS和NACC)、核设施液态流出物常规和事故释放环境评价程序(NLIQ)以及核设施环境数据库(NRED)。核设施气态流出物常规和事故释放环境评价程序,用于大气弥散计算和公众剂量估算,给出核设施周围放射性核素的空气浓度、地面沉积浓度和动植物产品中的浓度,并进而估算核设施周围的集体剂量和关键居民组剂量。核设施液态流出物常规和事故释放环境评价程序适合于流出物向非潮汐河流排放情况,用于计算河水中的放射性核素的浓度和与河水有关的公众剂量。该套软件可以在IBM及其兼容386以上微机运行,具有中、英文两种版本,功能齐全,适合于核工业基层单位使用。更多还原

【Abstract】 The main contents, designing strategies and properties of the microcomputer-based software package NGLAR are described for environmental impact assessment of nuclear installations. The package consists of the following components: NGAS NACC,the codes for routine and accidental airborne releases respectively;NLIQ, the code for both routine and accidental liquid releases; and NRED, environmental database system of nuclear installations. NGAS NACC are used for evaluating atmosphere dispersion and doses to public of radioactive materials released from nuclear facilities, giving the concentrations around the facilities of radionuclides in air, on ground surface, and in varieties of animal foods and farm produces, and further estimating collective doses and doses to critical group around the facilities. NLIQ is suitable for liquid effluence released to non-tide rivers, and is modelled to calculate firstly the concentration of radionuclides concerned in the polluted rivers, and then to estimate the resulting doses to public. Under routine releases, the doses obtained from NGAS and NLIQ can be appropriately categorised and summed up together. NRED can be run independently, also used to provide some input data for above programs and save data permanently for them. Having both English and Chinese versions, the package, which was fabricated of multiple functions can be run on IBM 386 or higher and its compatible microcomputers.更多还原