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剂量估计
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  dose estimation
     DOSE ESTIMATION FOR TWO PATIENTS EXPOSED TO ~(60)Co γ-RAY SOURCE IN ACCIDENT CASE
     两例~(60)Co源事故受照病人的剂量估计
短句来源
     DOSE ESTIMATION WITH BIOLOGICAL INDICATOR IN ACUTE RADIATION ACCIDENT
     辐射事故病例的生物剂量估计
短句来源
     The micronucleus frequency was 2.42 per cell and the dose estimation was 8.7(8.0-9.4)Gy for patient B.These results were approximately in accordance with that of dose estimations by physical method,chromosome aberration analysis,ESR method,and clinical manifestations.
     患者B的骨髓MN率为2.42个/细胞,剂量估计为8.7(8.0~9.4)Gy,与用染色体畸变分析、物理方法及ESR法所估算剂量接近,与临床表现基本一致。
短句来源
     Biological dose estimation and late effect evaluation of the exposed persons in Harbin radiation accident
     哈尔滨辐射事故受照者生物剂量估计和远后效应评价
短句来源
     The feasibility was examined of the contaminated Poisson distribution methodas applied to dose estimation of in vitro simulated and in vivo partial body exposure of NewZealand rabbits.
     用不纯泊松分布方法,分析新西兰兔离体模拟与活体局部照射后的染色体畸变数据,以检验该法用于局部照射事故生物剂量估计的可能性。
短句来源
  “剂量估计”译为未确定词的双语例句
     In normal tissue, mean dose was 66.24 Gy and 53.76 Gy.
     正常组织(口腔黏膜、唾液腺)剂量估计为66.24Gy,53.76Gy;
短句来源
     Mean dose in low dose region was 54.96 Gy and 76.8 Gy.
     两组咽旁间隙、茎突、颈动、静脉区低剂量区放射剂量估计分别为54.96Gy,76.8Gy;
短句来源
     Results Mean dose of target in two groups(RT and RT+ FSRT ) was 83.23 Gy and 99.09 Gy respectively.
     结果两组肿瘤区放射治疗有效生物剂量估计分别为83.23Gy,99.09Gy;
短句来源
     INDIVIDUAL DOSE ESTIMATIONS OF RADIATION ACCIDENTS
     “电离辐射事故”个人剂量估计
短句来源
     Estimate of the safe starting dose in clinical trials for therapeutics in adult healthy volunteers
     对健康成人志愿者进行临床试验的药物安全起始剂量估计
短句来源
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  相似匹配句对
     b) a G-M estimator of ω'1α, ω'2β and ω'1α+ω'2β under L (Xβ, Aα; δ21V, δ22U} respectively.
     b)G-M估计
短句来源
     DOSE ESTIMATION WITH BIOLOGICAL INDICATOR IN ACUTE RADIATION ACCIDENT
     辐射事故病例的生物剂量估计
短句来源
     INDIVIDUAL DOSE ESTIMATIONS OF RADIATION ACCIDENTS
     “电离辐射事故”个人剂量估计
短句来源
     An Estimator of Reflection Coefficients
     反射系数的估计
短句来源
     CT Dose Problem
     CT的剂量问题
短句来源
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  dose estimation
A Comparison of Methods of Benchmark-Dose Estimation for Continuous Response Data
      
Absorbed dose estimation of some 99mTc-hepatobiliary agents
      
For dose estimation the Marinelli algorithm was used.
      
Dose estimation for organs with the highest level of radiation exposure, the kidneys and spleen, showed differences of 10.5%-20.1% depending on the tracer.
      
The largest discrepancies in dose estimation, ranging from 23.1% to 85.9%, were found in tumour masses.
      
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This article tries to explain the dose limitation system inICRP publication 26 on the basis of shifting our attention from non-sto-chastic effects to stochastic effects,and discuss the three basic principles:justification,optimization and limitation.Departure from the traditionalthreshold point of view is emphasized.The random occurence,small probabi-lities and long latent period of stochastic effects make it difficult to accu-mulate dirrect human data;a large part of useful human data came from prac-tices of...

This article tries to explain the dose limitation system inICRP publication 26 on the basis of shifting our attention from non-sto-chastic effects to stochastic effects,and discuss the three basic principles:justification,optimization and limitation.Departure from the traditionalthreshold point of view is emphasized.The random occurence,small probabi-lities and long latent period of stochastic effects make it difficult to accu-mulate dirrect human data;a large part of useful human data came from prac-tices of questionable justification,and modern radiation protection practi-ce would prevent us from getting more such costly data.The concepts of(somatic and ICRP's)effective dose equivalent are explained with the li-near non-threshold hypothesis for stochastic effects and additivity of smallprobabilities.It is pointed out that,in this system,all professionally ex-posed persons are regarded as identical,irrespective of thier sex,age ect.,in that sense,one needs not worry about whether the integral dose of anorgan is more close connected with stochastic effects than the average dose.The differential cost-benefit analysis for optimization is disscussed,anddifficulties pointed out.

本文试图根据辐射防护的着眼点转向随机效应的观点,来阐明体现在 ICRP 26号出版物中的近代辐射防护的剂量限制体系,并介绍与讨论了正当化、最优化与限量化原则。强调指出这个体系与传统的阈值观点的差别。由于随机效应的随机性,小的概率与长的潜伏期,使我们难以获得充分的有关人的剂量效应的直接资料,指出现有的部分有用资料实系来自正当性可疑的实践,而有效的辐射防护反而使我们得不到更多的资料。阐述了小剂量下随机效应的线性无阈假定发生率的可叠加原理及由此发展起来的躯体有效剂量当量与 ICRP 有效剂量当量。文中强调指出,ICRP的防护标准是把所有职业受照者看作是相同的,在这个意义上由线性假定论证了按器官平均剂量(或积分剂量)估计效应的合理性。解释了最优化的差分分析原理及其在实际运用中所存在的困难。

Two employees of the Kaifeng Radiation Processing Plant,Henan province,entered in an irradiation cell with the ~(60)Co γ-ray source(~0.3PBq)on May 26,1986.The whole body doses and organ doses ofthe patients were estimated by simulated accident tests,and measuring theradiation field distribution and the radiation TL signals of watch ruby in theleft pocket of the exposed persons of which there were the equivalent wholebody dose weighted by hematological stem cell survival and red bone marrowdistribution and the...

Two employees of the Kaifeng Radiation Processing Plant,Henan province,entered in an irradiation cell with the ~(60)Co γ-ray source(~0.3PBq)on May 26,1986.The whole body doses and organ doses ofthe patients were estimated by simulated accident tests,and measuring theradiation field distribution and the radiation TL signals of watch ruby in theleft pocket of the exposed persons of which there were the equivalent wholebody dose weighted by hematological stem cell survival and red bone marrowdistribution and the average whole body absorbed dose.The results of doseestimation were found to be in good agreement with the estimated dose valuesbased on the chromosome aberration analysis.

1986年5月26日,河南省开封市辐照厂两名工作人员进入了正在照射的~(60)Co 源(~0.3PBq)辐照室。通过模拟试验、辐射场分布测量和受照者左裤袋内手表红宝石的辐射热释光信号的测定,确定了事故照射的几何条件和受照时间。估计了受照病人的全身剂量和器官剂量,其中全身剂量包括造血干细胞活存计权等效剂量、红骨髓计权平均剂量和全身平均吸收剂盈。这些剂量估计结果与染色体畸变分析所估计的剂量值符合得很好。

This paper sta the cu ses and the kinds of the ma d -adiancs resulted by the human activity and us radicuon do agc to humanbody.

本文论述了因人类活动而产生的主要人工辐射源的来源、种类以及对人的辐照剂量的估计。

 
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