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   牙釉 在 预防医学与卫生学 分类中 的翻译结果: 查询用时:1.297秒
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牙釉
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  tooth enamel
    Conclusion Reconstruction of dose for persons chronically exposed to radiation can be achieved using tooth enamel ESR measurement. The radiation energy,between 1.25 MeV and 6 MeV has little effect on tooth enamel ESR measurement. ;
    结论 慢性辐射损伤人员的受照剂量可以用牙釉电子自旋共振方法进行估算 ,射线能量在 1 2 5MeV - 6MeV范围内对牙釉电子自旋共振信号强度影响不大。
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  tooth enamel
    Conclusion Reconstruction of dose for persons chronically exposed to radiation can be achieved using tooth enamel ESR measurement. The radiation energy,between 1.25 MeV and 6 MeV has little effect on tooth enamel ESR measurement. ;
    结论 慢性辐射损伤人员的受照剂量可以用牙釉电子自旋共振方法进行估算 ,射线能量在 1 2 5MeV - 6MeV范围内对牙釉电子自旋共振信号强度影响不大。
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  “牙釉”译为未确定词的双语例句
    Retrospective ESR dosimetry for persons chronically exposed to ionizing radiation
    用牙釉电子自旋共振方法估算慢性辐射损伤人员的受照剂量
短句来源
    The results show that there are no significant differences in the background level between man and woman among different age groups.
    结果表明 ,在 1 8~ 4 1岁年龄范围内 ,牙釉中顺磁物质本底水平在不同性别及不同年龄组间没有显著差别 ;
短句来源
    Objective To establish an electron spin resonance (ESR) method to estimate the dose of persons chronically exposed to ionizing radiation.
    目的 建立用牙釉电子自旋共振对慢性辐射损伤人员的受照剂量进行估算的方法。
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  tooth enamel
Spherical-or cylindrical-shaped nanosized calcium phosphate particles are considered as an integral part of biological hard tissues such as bone and tooth enamel.
      
Spatial distribution of radiation defects in tooth enamel
      
The spatial distribution of radiation defects in tooth enamel has been investigated using EPR imaging.
      
It is shown that the study of tooth enamel by means of EPR imaging can be used to determine the type and energy characteristics of the ionizing radiation that acts on a living organism.
      
The possibility of esr dating of tooth enamel of theEarly Pleistocene
      
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  tooth enamel
Spherical-or cylindrical-shaped nanosized calcium phosphate particles are considered as an integral part of biological hard tissues such as bone and tooth enamel.
      
Spatial distribution of radiation defects in tooth enamel
      
The spatial distribution of radiation defects in tooth enamel has been investigated using EPR imaging.
      
It is shown that the study of tooth enamel by means of EPR imaging can be used to determine the type and energy characteristics of the ionizing radiation that acts on a living organism.
      
The possibility of esr dating of tooth enamel of theEarly Pleistocene
      
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The distribution feature of background level of paramagnetic materials in enamels of healthy adults aged 18~41 and the difference of their radiation sensitivity were studied by electron spin resonance(ESR) techniques.The results show that there are no significant differences in the background level between man and woman among different age groups. The dispersion of radiation induced ESR signal intensity of different individuals showed no increasing tendency, indicating that there were no significant differences...

The distribution feature of background level of paramagnetic materials in enamels of healthy adults aged 18~41 and the difference of their radiation sensitivity were studied by electron spin resonance(ESR) techniques.The results show that there are no significant differences in the background level between man and woman among different age groups. The dispersion of radiation induced ESR signal intensity of different individuals showed no increasing tendency, indicating that there were no significant differences in radiation sensitivity between different individuals. These preliminary results suggest that, in the certain age range involved in this work, it is possible to evaluate human doses by enamels of other individuals.

用电子自旋共振 ( ESR)技术研究了健康成年人牙釉质中顺磁物质本底水平分布特性及其辐射敏感性。结果表明 ,在 1 8~ 4 1岁年龄范围内 ,牙釉中顺磁物质本底水平在不同性别及不同年龄组间没有显著差别 ;不同个体样品辐照后信号强度的分散度并未增加 ,说明个体间对同种射线的辐射敏感性差异不大。提示在上述年龄范围内 ,用异体牙釉作辐射剂量估算是可行的。

Objective To establish an electron spin resonance (ESR) method to estimate the dose of persons chronically exposed to ionizing radiation. Methods ESR method was used to detect the ESR signal intensities of tooth enamel samples from two persons chronically exposed to ionizing radiation.The external calibration curve method and the additive dose method were used to reconstruct the irradiation doses of those teeth in order to find whether it is feasible to estimate the chronic dose by enamel ESR.And the effects...

Objective To establish an electron spin resonance (ESR) method to estimate the dose of persons chronically exposed to ionizing radiation. Methods ESR method was used to detect the ESR signal intensities of tooth enamel samples from two persons chronically exposed to ionizing radiation.The external calibration curve method and the additive dose method were used to reconstruct the irradiation doses of those teeth in order to find whether it is feasible to estimate the chronic dose by enamel ESR.And the effects of radiation energy on the ESR signal intensities were also observed. Results The estimated doses of two teeth from each person were similar using two methods.Compared 1.25 MeV with 6 MeV X rays,the regression coefficients of the calibration curve were similar,and the doses estimated after combined irradiation were the same as the actually exposed doses. Conclusion Reconstruction of dose for persons chronically exposed to radiation can be achieved using tooth enamel ESR measurement.The radiation energy,between 1.25 MeV and 6 MeV has little effect on tooth enamel ESR measurement. ;

目的 建立用牙釉电子自旋共振对慢性辐射损伤人员的受照剂量进行估算的方法。方法 用电子自旋共振仪测定慢性辐射损伤人员牙釉电子自旋共振信号强度 ,用剂量 -效应曲线法和附加剂量法来重建辐射损伤人员的受照剂量 ,探讨牙釉电子自旋共振法估算受照剂量的可行性 ;并比较了不同能量的射线 (1 2 5MeV的γ射线和 6MeV的X射线 )对牙釉电子自旋共振信号强度的影响。结果 用两种方法估算的辐射损伤人员受照剂量基本一致 ;对能量 1 2 5MeV的γ射线和 6MeV的X射线进行比较 ,无论从剂量 效应曲线的直线系数 ,还是用混合照射后的剂量估算 ,两者差别不大。结论 慢性辐射损伤人员的受照剂量可以用牙釉电子自旋共振方法进行估算 ,射线能量在 1 2 5MeV - 6MeV范围内对牙釉电子自旋共振信号强度影响不大。

 
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