作业帮关于核物理,核化学的专业英译汉,
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关于核物理,核化学的专业英译汉,
6.3 MATERIAL RELEASE IN CRITICALITY EXCURSIONS
The radionuclides generated by an excursion are a function of the fissionable material
undergoing the reaction.The quantity of each fission product or actinide formed is a
function of the total fission yield.Reference values for the various systems were designated
in the previous section.Estimation of fission product quantities can be done with computer
codes,such as ORIGEN2,or by simple ratios (total fissions for scenario/1E+19 fission) to
values in NRC regulatory guides prepared for fuel cycle facilities.The regulatory guides do
not include particulate fission product generation,and are thus less precise than computer
codes.However,the quantity of particulate fission products are normally small,their
potential release fractions are likewise small,and,unlike noble gases and iodine,they are
subject to facility filtration.Accordingly,not accounting for them is typically an adequate
approximation.It is noted again that site personnel should perform whatever background
work they believe is warranted to verify that unusual or unique circumstances do not exist at
their facilities.
The anticipated quantities and radionuclides generated by solution criticalities with total
fission yields of 1E+19 fissions involving three fissionable material compositions are:
- Table 6-7 - spent nuclear fuel (
6.3 MATERIAL RELEASE IN CRITICALITY EXCURSIONS
The radionuclides generated by an excursion are a function of the fissionable material
undergoing the reaction.The quantity of each fission product or actinide formed is a
function of the total fission yield.Reference values for the various systems were designated
in the previous section.Estimation of fission product quantities can be done with computer
codes,such as ORIGEN2,or by simple ratios (total fissions for scenario/1E+19 fission) to
values in NRC regulatory guides prepared for fuel cycle facilities.The regulatory guides do
not include particulate fission product generation,and are thus less precise than computer
codes.However,the quantity of particulate fission products are normally small,their
potential release fractions are likewise small,and,unlike noble gases and iodine,they are
subject to facility filtration.Accordingly,not accounting for them is typically an adequate
approximation.It is noted again that site personnel should perform whatever background
work they believe is warranted to verify that unusual or unique circumstances do not exist at
their facilities.
The anticipated quantities and radionuclides generated by solution criticalities with total
fission yields of 1E+19 fissions involving three fissionable material compositions are:
- Table 6-7 - spent nuclear fuel (
临界性物质释放,游程
由偏移所产生的放射性核素的裂变材料的功能
经历了反应.每个产品或裂变形成的锕系元素的数量是
功能总裂变产量.对各种系统的参考值被指定
在上一节.裂变产品数量估计可以用电脑
码,如ORIGEN2,或通过简单的比值（共为scenario/1E 19裂变裂变）,以
在NRC的监管指导值的燃料循环设施的准备.做导游的监管
不包括颗粒裂变产物的产生,因而不太精确比电脑
码.然而,颗粒裂变产物的数量一般较小,但
分数也同样可能释放小,不像惰性气体和碘,他们是
受设备过滤.因此,他们没有足够的会计是一种典型的
逼近.据悉,该网站的人员应再次执行任何背景
他们认为工作是必要的,以验证异常或特殊情况不存在
他们的设施.
预期的数量和所产生的解决方案criticalities总放射性核素
为1e +19裂变裂变产生的裂变材料涉及三个成分：
- 表6-7 - 核废燃料“（
由偏移所产生的放射性核素的裂变材料的功能
经历了反应.每个产品或裂变形成的锕系元素的数量是
功能总裂变产量.对各种系统的参考值被指定
在上一节.裂变产品数量估计可以用电脑
码,如ORIGEN2,或通过简单的比值（共为scenario/1E 19裂变裂变）,以
在NRC的监管指导值的燃料循环设施的准备.做导游的监管
不包括颗粒裂变产物的产生,因而不太精确比电脑
码.然而,颗粒裂变产物的数量一般较小,但
分数也同样可能释放小,不像惰性气体和碘,他们是
受设备过滤.因此,他们没有足够的会计是一种典型的
逼近.据悉,该网站的人员应再次执行任何背景
他们认为工作是必要的,以验证异常或特殊情况不存在
他们的设施.
预期的数量和所产生的解决方案criticalities总放射性核素
为1e +19裂变裂变产生的裂变材料涉及三个成分：
- 表6-7 - 核废燃料“（