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物理剂量
相关语句
  physical dose
    Physical dose measurement and estimation in a patient irradiated in an 192 Ir accident.
    一例~(192)Ir源放射事故病人的物理剂量估算和测量
短句来源
    Biological dose absorbed by the boy who stole the sou-rce was about 96~128 mGy. (physical dose abous 120 mGy), the others were about10~30 mGy (physical dose about 10~30 mGy). The results indicated that biologicaldoseswere quite approximate to the physical doses.
    结果生物剂量与理物剂量相当接近,盗源者生物剂量为96.3~127.8mGy,物理剂量为121mGy,其他人员生物剂量和物理剂量在1~30mGy之间。
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  “物理剂量”译为未确定词的双语例句
    The accumulative dose estimated by using the multiple linear regressions is approximate to the dose estimated by physical method,thus it decreases the uncertainty of estimating cumulative dose and forecasting cancer risk by using GPA gene mutation frequency.
    多元回归方程估算的累积剂量更接近估算的物理剂量 ; 减少了GPA基因突变频率估算累积剂量和预测癌患风险的不确定度。
短句来源
    Objective To estimate physical doses of the six exposed persons in the “4.26” 60 Co radiation source accident of Henan Province.
    目的 估算河南“4 2 6”6 0 Co源辐射事故中 6名受照人员的物理剂量
短句来源
    The result is basically correlated with the doses estimated by cytogenetic dosimetry,physical measurement and clinical diagnosis.
    该剂量与染色体双 +环及物理剂量相近 ,与临床放射损伤的诊断也相符合。
短句来源
    Because the early classification diagnosis is mainly based on the estimation of physical and biological doses,the dose estimation should be performed as early as possible after the accident.
    生物剂量和物理剂量的估算是早期分类诊断的基础 ,发生事故后应尽早开始。
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  physical dose
Excess risk of radiation-induced cancer at the distal part of proton radiation fields can thus be explained using SCCP calculations on the basis of the physical dose distributions.
      
Although shielding may be effective, in some cases, in reducing the physical dose of particle radiation, our cytogenetic results showed that the biological impact of the particle beam remain unchanged.
      
The number of chromosomal and chromatid breaks, deletions, as well as fragments, have been followed in correlation to the physical dose as assessed by the specific radioactivity of DNA.
      
The definition accepted in the USSR of the roentgen as the unit of physical dose
      
A BNCE of 4.6% in physical dose was determined for a 10×10?cm2 field, and of 10.4% for a 20×20?cm2 one.
      
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An ~(241)Am-Be neutron source of 120 millicrocurie was stolen by a boyon April the 3rd, 1982. He brought it to his home. The neutron source was brokenand the radioactive substance contaminated the whole family. He and his other familymembers did not leave the contaminated environment for 70 days. There were altogether14 persons exposed to the radioactive substances. Chromosome aberrations of peripheral blood lymphocytes of six exposed cases wereanalysed on an early day of June 1982. The exposure doses were estimated...

An ~(241)Am-Be neutron source of 120 millicrocurie was stolen by a boyon April the 3rd, 1982. He brought it to his home. The neutron source was brokenand the radioactive substance contaminated the whole family. He and his other familymembers did not leave the contaminated environment for 70 days. There were altogether14 persons exposed to the radioactive substances. Chromosome aberrations of peripheral blood lymphocytes of six exposed cases wereanalysed on an early day of June 1982. The exposure doses were estimated by the fre-quency of chromosome aberration. Biological dose absorbed by the boy who stole the sou-rce was about 96~128 mGy. (physical dose abous 120 mGy), the others were about10~30 mGy (physical dose about 10~30 mGy). The results indicated that biologicaldoseswere quite approximate to the physical doses. One and half years after the accident, the analysis of stable chromosome aberrationsfor 14 exposed persons showed that the frequencies of chromosome aberraiions of theirradiated individuals still were higher than those of the controls. The differences betweenthem are very significant.

在一起镅—铍中子源事故中,有14人受到内外混合照射。照后初期对6名受照者进行了染色体畸变分析并估算其生物剂量。结果生物剂量与理物剂量相当接近,盗源者生物剂量为96.3~127.8mGy,物理剂量为121mGy,其他人员生物剂量和物理剂量在1~30mGy之间。 在事故后一年半时,用稳定性畸变分析方法,分析了14例受照者的染色体畸变,结果受照组仍明显高于对照组。

Biological doses of 5 cases exposed to ~(60)Co γ-ray were estimated bythe curves of relationships between radiation dose and chromosome aberations and mi-cronuclei of periphcral blood lymphocytes. The results indicated that biological doseestimated by "dic. + r." and micronuclei were quite approximate to the physical dose atearly phase of post irradiation. Specially, in 3 cases of uniform doses. the doses esti-mated by "dic. + r." were nearly identical to the physical dose. At the same time, itwas showed that...

Biological doses of 5 cases exposed to ~(60)Co γ-ray were estimated bythe curves of relationships between radiation dose and chromosome aberations and mi-cronuclei of periphcral blood lymphocytes. The results indicated that biological doseestimated by "dic. + r." and micronuclei were quite approximate to the physical dose atearly phase of post irradiation. Specially, in 3 cases of uniform doses. the doses esti-mated by "dic. + r." were nearly identical to the physical dose. At the same time, itwas showed that dose estimated by micronuclei were higher than those of "dic. + r."doses.

用外周血淋巴细胞染色体畸变(双+环)和微核的剂量效应曲线估算了5例受~(60)Co γ线事故照射病人的生物剂量。结果表明,在照后早期,用上述两种方法估算的剂量与物理剂量基本一致。尤其对较均匀照射的3例(A、B和E)“双十环”剂量与物理剂量相当吻合,同时发现,用微核率估算的剂量偏高。本文对上述结果进行了讨论。

Objective To estimate physical doses of the six exposed persons in the “4.26” 60 Co radiation source accident of Henan Province. Methods\ The exposure models of the persons were established by survey and simulation.The distribution of exposure rate in radiation field was measured with LiF(Mg,Cu,P)TLD.The doses of the exposed persons “Mei”(female),“Wang”(8 years old,male) and “Tian” were measured with an anthropomorphic phantom.The doses of “Yong”,“Min”.“Yi” were estimated using the method of tissue\|air...

Objective To estimate physical doses of the six exposed persons in the “4.26” 60 Co radiation source accident of Henan Province. Methods\ The exposure models of the persons were established by survey and simulation.The distribution of exposure rate in radiation field was measured with LiF(Mg,Cu,P)TLD.The doses of the exposed persons “Mei”(female),“Wang”(8 years old,male) and “Tian” were measured with an anthropomorphic phantom.The doses of “Yong”,“Min”.“Yi” were estimated using the method of tissue\|air ratio. Results\ The doses of 19 organs and tissues of “Mei”,and “Wang” were presented in this paper.The average whole body doses of “Mei”,“Wang”and “Tian”are 6\^1 Gy,3\^4 Gy and 2\^4 Gy,respectively.Their weighted stem cell doses are 5\^0 Gy,2\^6 Gy and 2\^3 Gy, respectively.For “Yong”,“Min”and “Yi”,their average whole body doses are 1\^1 Gy,0\^9 Gy and 0\^7 Gy,respectively.Their weighted stem cell doses are 1\^1 Gy,0\^9 Gy and 0\^8 Gy,respectively. Conclusion\ The physical doses obtained in this work are consistent with the biological doses,clinical laboratory tests and symptoms.Reliable information of dosimetry is provided for the clinical diagnosis and treatment,and dose\|effect study.

目的 估算河南“4 2 6”6 0 Co源辐射事故中 6名受照人员的物理剂量。方法 确立各受照人员的受照模式 ;模拟测量辐射场的照射量率分布 ;使用组织等效拟人体模 ,对“梅”(女 )、“旺”(8岁男童 )和“天”的主要受照 ,进行剂量模拟测量 ;对“勇”、“民”、“义”的受照和“天”的部分受照 ,采用组织 空气比的方法估算他们的剂量。结果 给出“梅”和“旺”的 19个主要器官和组织剂量 ,“梅”、“旺”和“天”的全身平均剂量分别为 6 1Gy、3 4Gy和 2 4Gy;造血干细胞活存计权等效剂量分别为 5 0Gy、2 6Gy和 2 3Gy。“勇”、“民”和“义”全身平均剂量分别为 1 1Gy、0 9Gy和 0 7Gy ;造血干细胞存活计权等效剂量分别为 1 0Gy、0 9Gy和 0 8Gy。结论 给出的物理剂量估算结果与用生物学方法估算的剂量结果 ,以及受照者的临床检验和辐射损伤症状程度相一致 ,为临床诊治和剂量与效应的研究提供了可靠的剂量学数据资料。

 
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