...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Radiation Protection and Environment >ESTIMATION OF GRASS TO MILK TRANSFER COEFFICIENT FOR CESIUM FOR EMERGENCY SITUATIONS
【24h】

ESTIMATION OF GRASS TO MILK TRANSFER COEFFICIENT FOR CESIUM FOR EMERGENCY SITUATIONS

机译：紧急情况下铯对牛奶的牛奶转移系数的估算

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The grass to milk transfer coefficient is usually represented as F_m values. This paper reports the results of grass to cow milk transfer coefficients (F_m) for Cesium for emergency situation. An experimental grass field was developed in Kaiga region and two cows were adopted for collecting milk samples regularly. Grass was cut from the field and spiked with very low concentration of Cs (in the form of CsCI or Csl), to simulate a sudden deposition of Cs on grass and fed to the adopted cows. The milk samples were collected during normal milking periods (morning and evening) for several days and analyzed. The peak concentration of Cs in milk was observed during time period 24-36 hrs after the intake of spiked grass. Three spike experiments were carried out and values of F_m were found to be 7.8 × 10~3 d L~(-1), 3.5x10~(-3) d L~(-1) and 2.4x10~(-3) d L~(-1). The grass to milk transfer coefficient values observed under spiked conditions were an order of magnitude lower when compared to the equilibrium transfer coefficient for Kaiga region, which highlights the importance of studies aimed at generating site-specific database on F_m for simulated emergency situation.
机译：草到牛奶的转移系数通常表示为F_m值。本文报告了紧急情况下铯对草到牛奶的转移系数（F_m）的结果。在Kaiga地区开发了一个实验性草地，并采用了两只奶牛定期采集牛奶样品。从田野上割草，并掺入极低浓度的Cs（以CsCI或Csl的形式），以模拟Cs在草地上的突然沉积并喂给养牛。在正常挤奶期间（早上和晚上）连续几天收集牛奶样品并进行分析。在摄入加标草之后的24-36小时内，观察到牛奶中Cs的峰值浓度。进行了三个尖峰实验，发现F_m值分别为7.8×10〜3 d L〜（-1），3.5x10〜（-3）d L〜（-1）和2.4x10〜（-3）d L〜（-1）。与Kaiga地区的平衡转移系数相比，在加标条件下观察到的草到牛奶的转移系数值低一个数量级，这突出了旨在针对模拟紧急情况在F_m上生成针对特定地点的数据库的研究的重要性。

著录项

  • 来源
    《Radiation Protection and Environment》 |2011年第3期|p.210-212|共3页
  • 作者

    Ujwal P.; Karunakara N.; Yashodhara I.; Chetan Rao; Sudeep Kumara; Dileep B. N.; Nayak P. D.; Ravi P. M.;

  • 作者单位

    University Science Instrumentation Centre, Mangalore University, Mangalagangothri, Mangalore, Trombay, Mumbai, India;

    University Science Instrumentation Centre, Mangalore University, Mangalagangothri, Mangalore, Trombay, Mumbai, India;

    University Science Instrumentation Centre, Mangalore University, Mangalagangothri, Mangalore, Trombay, Mumbai, India;

    University Science Instrumentation Centre, Mangalore University, Mangalagangothri, Mangalore, Trombay, Mumbai, India;

    University Science Instrumentation Centre, Mangalore University, Mangalagangothri, Mangalore, Trombay, Mumbai, India;

    Environmental Survey Laboratory, Kaiga Generating Station, Kaiga, Trombay, Mumbai, India;

    Environmental Survey Laboratory, Kaiga Generating Station, Kaiga, Trombay, Mumbai, India;

    Heath Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, India;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cesium; F_m; grass-to-milk; kaiga; transfer coefficient;

    机译：铯;调频;草乳凯加转移系数;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号