辐射加工吸收剂量测量中的不确定度的估算

1、.m值测量中的不确定度的估算uncertainties in molar linear absorption coefficient of fe3不确定度分量componenta类%a type%b类%b type%浓度concentration杯长pathlength温度temperature光吸收measurement of optical absorbance波长(0.1nm)wavelength线性（比尔定律）fit for bill law制备程序preparation of solution试剂纯度pureness of reagent指数非线性fit for standard c

2、urve0.10.020.10.20.020.10.10.10.10.70.010.060.060.02-a类b类分量方根和both components combined in quadrature at one standard deviation0.32扩展不确定度uexpanded uncertaninty u0.69 (k=2)frick剂量计测量水井贮源式辐照装置吸收剂量值的不确定度uncertainties in absorbed dose values in water for a pool type facility by fricke dosimetry table 1 u

3、ncertainties in absored dose measuremed by fricke dosimetry componenttype a %type b%g(fe3+)=1.61(molj-1)(f3+) 25c to radiation spectrum（辐射能谱）variation in spectrophotometer abs（吸光度测量）other（其他）-0.27-0.33-0.650.210.200.200.250.30type a and type b combined inquadrature separately（a类b类分量方根和）0.430.84both

4、components combined in quadrature at one standard deviation（合成标准不确定度）0.94expanded uncertaninty u（扩展不确定度）1.88(k=2)水井贮源式辐照装置中用frick国家标准校准传递标准剂量计的不确定度uncertainties in calibration of transfer standard dosimeters in a pool type facility by fricke dosimetrytable 3 uncertainties in calirration of dosimeter

5、 in the pool type facility by fricke componenttype a %type b%response of fricke dosimeterfricke剂量计响应）source position repeatability（源到位重复性）irradiation time（辐照时间）decay corrections（半衰期修正）the beam uniformity over dosimeter（射线束在剂量计体积内的均匀性）non-uniforties in standard radiation（标准辐射的不均匀性）-0.500.100.010.500.

6、250.94-0.03-type a and type b combined inquadrature separately（a类b类分量方根和）0.760.94both components combined in quadrature at one standard deviation（合成标准不确定度）1.21expanded uncertaninty u（扩展不确定度）2.42(k=2)工业辐照装置中用两个为一组的fricke剂量计 测量吸收剂量值的不确定度评定 table 4. uncertainties in absorbed dose values measured in a p

7、roduction irradiator using sets of two fricke dosimeters不确定度分量component of uncertatintya类（%）type ab类（%）type bfricke剂量计的响应response of fricke dosimeters 1.00fricke剂量计响应（2个一组）response of fricke dosimeters（set of two dosimeters）0.30温度修正temperature correction0.50射线能谱差别的影响effects due to differences in pho

8、ton energy spectra of sources0.50a类与b类分量分别用方和根的方法合成type a and type b combined in quadrature separately0.301.22合成标准不确定度both components combined in quadrature at one standard deviation1.26扩展不确定度expanded uncertaninty u 2.5%（k=2）备注：重铬酸盐剂量计测量系统校准的不确定度评定table 1. uncertainties in calibration of dichromate

9、transfer standard dosimetry system componenttype a %type b%1.the values of g and calibration（使用fricke校准g值和的校准）2. component of dosimetry system（剂量计组成） 3. temperature of dosimetry system（剂量计温度修正）4. irradiation time （辐照时间）5. dosimeter response (mean of five dosimeters)（剂量计重复性）6. polynomiial fit for cal

10、ibration curve （校准曲线的拟合）7. non-uniforties in standard radiation（标准辐射的不均匀）8. dose rate and effects due to differences in phonton energy spectra of source（剂量率响应）9. measurement of specific absorbance （吸光度测量）-0.10.311.00.25-0.301.00.500.50-0.750.20type a and type b combined inquadrature separately（a类b类分

11、量方根和）1.121.45both components combined in quadrature at one standard deviation（合成标准不确定度）1.84expanded uncertaninty u（扩展不确定度）3.7(k=2) 工业辐照装置中用两个为一组的重铬酸盐剂量计 测量吸收剂量值的不确定度评定 table 2. uncertainties in absorbed dose values measured in a production irradiator using sets of two dichromate dosimeters不确定度分量comp

12、onent of uncertatintya类（%）type ab类（%）type b重铬酸盐剂量计系统dichromate dosimetry system 1.121.45重铬酸盐剂量计响应（2个一组）response of dichromate dosimeters（set of two dosimeters）0.30温度修正temperature correction0.50射线能谱差别的影响effects due to differences in photon energy spectra of sources0.50a类与b类分量分别用方和根的方法合成type a and typ

13、e b combined in quadrature separately1.161.61合成标准不确定度both components combined in quadrature at one standard deviation1.99扩展不确定度expanded uncertaninty u 4.0 %（k=2）备注：电子束装置水中吸收剂量的不确定度评定 table 1. the uncertainty in absorbed dose in water measured for eb irradiator for radiation processing不确定度分量component

14、 of uncertatintya类（%）type ab类（%）type b重铬酸盐剂量计系统dichromate dosimetry system -1.84辐照稳定度stability after irradiation0.50辐照条件的影响（不均匀性与减弱）influence of irradiation condition (non-uniformity and attenuatiion)0.501.0a类与b类分量分别用方和根的方法合成type a and type b combined in quadrature separately0.712.1合成标准不确定度both comp

15、onents combined in quadrature at one standard deviation2.21扩展不确定度expanded uncertaninty u 4.5%（k=2）备注：在电子束装置水中用重铬酸盐传递标准剂量计校准fwt-60剂量计的不确定度评定 table 2. the uncertainty in calibration of fwt-60 dosimeters in eb irradiator using the dichromaters transfer standard 不确定度分量component of uncertatintya类（%）type

16、ab类（%）type b重铬酸盐剂量计系统dichromate dosimetry system -1.84辐照稳定度stability after irradiation0.50辐照条件的影响（不均匀性与减弱）influence of irradiation condition (non-uniformity and attenuatiion)0.501.0fwt-60剂量计的响应film dosimeter response (set of three dosimeters)0.6-校准曲线的多项拟合polynomial fit for calibration cure 1.0-a类与b类

17、分量分别用方和根的方法合成type a and type b combined in quadrature separately1.362.1合成标准不确定度both components combined in quadrature at one standard deviation2.5扩展不确定度expanded uncertaninty u 5.0 %（k=2）备注：用fwt-60薄膜剂量计校准eb辐射加工装置吸收剂量的不确定度评定 table 3. the uncertainty in absorbed dose values in water for eb irradiator f

18、or radiation processing calibrated by fwt-60 radio-chromic film dosimetry不确定度分量component of uncertatintya类（%）type ab类（%）type b重铬酸盐剂量计系统dichromate dosimetry system -1.84比吸光度的测量measurement specific absorbance 0.501.0剂量计响应的测量重复性measured repeatability for response of dosimeter0.501.0辐照期间的温度修正temperature correction during ir