剂量当量
- Dose equivalent;dosage equivalent
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新国家标准放射卫生防护基本标植和辐射防护规定摒弃了最大容许的概念,采用了·剂量限制制度,规定放射工作人员的年有效剂量当量为50mSv。
The newly-issued national standards - " Basic Standard of Health Protection of Radiation " and " Regulations of Radiation Protection " have got rid of the previous concept of " Maximum Permission ", but the effective annual dosage equivalent that radiation-exposed workers receive is 50 mSv .
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~(60)Coγ射线外照射的有效剂量当量
The effective dose equivalents for ~ ( 60 ) Co γ - rays
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GB/T13161-1991直读式个人X和γ辐射剂量当量和剂量当量率监测仪
" Direct reading , personal dose equivalent and / or dose equivalent rate monitors for X and gamma radiation "
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有效剂量当量研究进展&X、γ外照射的HB评价问题
The advance in the research on the effective dose equivalent & the problem of HE evaluation on X , γ ray external irradiation
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对周围剂量当量H*(d)的测量,要求仪器具有各向同性的角响应性能。
For the measurement of ambient dose equivalent H ·( d ), the instrument shall be required to have isotropic directional response .
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对弱贯穿辐射场定向剂量当量H′(0.07)的现有测量方法进行了讨论,提出塑料闪烁探测器加权积分法测量H′(0.07)。
Current methods for H ′ ( 0.07 ) measurement are discussed in this paper . A weighted integration method using plastic scintillator detector is introduced .
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进入迷宫巷道后,X射线剂量当量率一般不超过等中心有用束X射线吸收剂量率的10-6。
The dose equivalent rates in tunnel of the maze are less than 10-6 of the absorbed dose rate from the useful beam at the isocenter .
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吸入短寿命氨子体有效剂量当量的计算及ALI和DAC的导出
Calculation of effective dose equivalent and derivation of Ali and DAC by inhalation of short-lived radon daughters
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本文采用蒙特卡罗模拟计算方法,研究了塑料闪烁体探测器在测量定向剂量当量H′(0.07)时,探测器入射窗、塑料闪烁体厚度对能量响应和角度响应的影响,讨论了产生能量响应的原因;
The parameters of input-window thickness and plastic scintillator thickness are studied by Monte Carlo calculation for their influences on the energy response and angle response for electrons for measuring H ′( 0.07 ) .
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本文提出了发射光子的放射性核素各向同性点源的周围剂量当量率常数Γδ,H*和定向剂量当量率常数Γδ,H′的概念。
The concepts of ambient dose equivalent rate constant Γ δ, H and directional dose equivalent rate constant Γ δ, H ′ for isotropic point source of radionuclides emitting photons were presented in this paper .
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[结果]上海市19种X射线诊断检查所致公众年集体剂量当量1996年为520.92人·Sv,1998年为546.93人·Sv;
[ Results ] The collective effective dose levels of the public from 19 types of diagnostic X-ray procedures in 1996 and 1998 in Shanghai were 520.92 and 546.93 person · Sv respectively .
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Am-Be中子源辐射场周围剂量当量与吸收剂量的计算
Calculations of Dose and Ambient Dose Equivalent in Radiation Field for Am-Be Neutron Source
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结果来自134Cs、137Cs和131I的有效剂量当量分别是66μSv、88μSv和1728μSv。
Results The effective dose equivalent from 134 Cs 137 Cs and 131I were 66 μ Sv 88 μ Sv and 1728 μ Sv respectively .
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研究通过测量中子和γ剂量当量率估算52MeV/u32S束轰击Ta靶时的中子与γ光子产额的方法,并给出了估算结果。
In the paper the neutron and γ photon yields are estimated based on the measurement of neutron and γ dose equivalent retes from the Ta target bombarded by the 5.2 MeV / u 32 S.
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10-in单球rem计测量中能重离子反应中子剂量当量的理论修正
Theoretical correction on measuring neutron dose equivalent for the intermediate energy heavy ion reaction with the 10-in single-sphere rem-meter
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5年中,被监测工作人员所受到的外照射集体剂量当量为7.0人·Sv,人均年剂量当量为0.58mSv。
During the five years , the total collective dose equivalent from external exposure is 7.0 man · Sv for radiation workers , and the annual man averaged dose equivalent is 0.58 mSv .
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被监测的全体人员的集体待积有效剂量当量为2.2×10-2人·Sv;人均待积有效剂量当量为9.5×10-2mSv;
Collective committed effective dose equivalent is 2.2 × 10 - 2 man · Sv and the per capita annual committed effective dose equivalent is 9.5 × 10 - 2 mSv for the 231 workers .
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外照射人均年剂量当量为0.8mSV/a。
The dosage per person in a year is 0.8mSv/a .
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公众居民(成人)因吸入和食入含~(131)I和~(134137)Cs的空气和食品所致的最大年有效剂量当量为9.27×10~(-7)Sv,集体有效剂量当量为0.36man-Sv/a。
The maximum annual effective dose equivalent to resident ( adult ) caused by ingesting the food and inhaling the air is 9 . 27 X 10-7Sv / a and the collective effective dose equivalent is 0 . 36 man-Sv / a.
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根据我国核工业发展计划,预测到2000年时整个核工业产生的年集体剂量当量为59人·Sv。
According to the nuclear industry planning of China , in the year of 2000 , it is estimated that the total annual collective effective dose equivalent resulted from the whole nuclear industry is 59 man . Sv .
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蜂窝煤燃烧1h对室内氡贡献为0.98Bq/m3,对室内钍射气贡献为0.53Bq/m3.燃煤释放氡所致男性和女性居民的剂量当量分别为15.91和13.98μSv。
The contribution of honeycomb briquette burning to indoor radon and thoron is 0.98 and 0.53 Bq / m ~ ( 3 ) . The equivalent dose to male and female residents of indoor radon from honeycomb briquette is 15.91 and 13.98 μ Sv .
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天然γ辐射、宇宙射线和天然贯穿辐射所致的北京市人均年有效剂量当量分别为0.43、0.25和0.68mSv,全市集体年有效剂量当量分别为4.0、2.3和6.3×10~3人·Sv。
The annual effective dose equivalent per capital groin natural γ radiation , cosmic ray and natural penetrating radiation was 0.43, 0.25 and 0.68 mSv respectively , and the annual collective effective dose equivalent was 4.0,2.3 and 6.3 × 10 ~ 3 man · Sv , respectively .
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附近居民通过尾矿库所增加的年有效剂量当量,氡子体为2.1×10~(-2)mSv,γ辐射为5.6×10~(-2)mSv,两者之和约为广大居民的年限制剂量当量的7.7%。
The additional annual effective dose equivalent to the nearby residents is 2.1 × 10-2 mSv from radon daughters and 5.6 × 10-2 mSv from γ radiation . The sum is about 7.7 % of the dose limit for the public .
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待积有效剂量当量为0.19μSv·a~(-1),仅为ICRP1977年规定的公众年剂量限值的五千分之一和UNSCEAR1982年估算的正常本底地区天然辐射所致剂量的万分之一。
Because of taking environmental tritium in the area , the annual committed effective dose equivalent was 0.19 μ Sv which is only one five thousandth of annual limited dose to the public proposed by ICRP and one ten thousandth of the natural background estimated by UNSCEAR in 1982 .
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本文报道了36例在5个月内多次受到137Csγ射线源照射(累积剂量当量为0.005-2.1Sv)受照人员的细胞遗传学随访观察结果。
In this paper , a follow up study on chromosome aberrations in peripheral lymphocytes of 36 persons exposed to 137 Cs γ ray source in a period of 5 months was reported . The accumulated doses equivalent were 0.005-2.1 Sv .
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周围剂量当量仪的研制
A design of ambient dose equivalent dosimeter and its dosimetric performance
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GB/T14318-1993辐射防护用便携式中子周围剂量当量率仪
Portable neutron ambient dose equivalent ratemeters for use in radiation protection
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中子等剂量当量探测实验方法研究
Experimental method research on neutron equal dose - equivalent detection
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有效剂量当量在医疗照射剂量评价中的应用
Application of effective dose equivalent in medical exposure dose assessment
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内照射累积有效剂量当量的近似估算方法
An approximate method of evaluating cumulative effective dose equivalent from internal exposure