輻射加工吸收劑量測(cè)量中的不確定度的估算

1、.m值測(cè)量中的不確定度的估算uncertainties in molar linear absorption coefficient of fe3不確定度分量componenta類%a type%b類%b type%濃度concentration杯長(zhǎng)pathlength溫度temperature光吸收measurement of optical absorbance波長(zhǎng)(0.1nm)wavelength線性（比爾定律）fit for bill law制備程序preparation of solution試劑純度pureness of reagent指數(shù)非線性fit for standard c

2、urve0.10.020.10.20.020.10.10.10.10.70.010.060.060.02-a類b類分量方根和both components combined in quadrature at one standard deviation0.32擴(kuò)展不確定度uexpanded uncertaninty u0.69 (k=2)frick劑量計(jì)測(cè)量水井貯源式輻照裝置吸收劑量值的不確定度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（輻射能譜）variation in spectrophotometer abs（吸光度測(cè)量）other（其他）-0.27-0.33-0.650.210.200.200.250.30type a and type b combined inquadrature separately（a類b類分量方根和）0.430.84both

4、components combined in quadrature at one standard deviation（合成標(biāo)準(zhǔn)不確定度）0.94expanded uncertaninty u（擴(kuò)展不確定度）1.88(k=2)水井貯源式輻照裝置中用frick國(guó)家標(biāo)準(zhǔn)校準(zhǔn)傳遞標(biāo)準(zhǔn)劑量計(jì)的不確定度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劑量計(jì)響應(yīng)）source position repeatability（源到位重復(fù)性）irradiation time（輻照時(shí)間）decay corrections（半衰期修正）the beam uniformity over dosimeter（射線束在劑量計(jì)體積內(nèi)的均勻性）non-uniforties in standard radiation（標(biāo)準(zhǔn)輻射的不均勻性）-0.500.100.010.500.

6、250.94-0.03-type a and type b combined inquadrature separately（a類b類分量方根和）0.760.94both components combined in quadrature at one standard deviation（合成標(biāo)準(zhǔn)不確定度）1.21expanded uncertaninty u（擴(kuò)展不確定度）2.42(k=2)工業(yè)輻照裝置中用兩個(gè)為一組的fricke劑量計(jì) 測(cè)量吸收劑量值的不確定度評(píng)定 table 4. uncertainties in absorbed dose values measured in a p

7、roduction irradiator using sets of two fricke dosimeters不確定度分量component of uncertatintya類（%）type ab類（%）type bfricke劑量計(jì)的響應(yīng)response of fricke dosimeters 1.00fricke劑量計(jì)響應(yīng)（2個(gè)一組）response of fricke dosimeters（set of two dosimeters）0.30溫度修正temperature correction0.50射線能譜差別的影響effects due to differences in pho

8、ton energy spectra of sources0.50a類與b類分量分別用方和根的方法合成type a and type b combined in quadrature separately0.301.22合成標(biāo)準(zhǔn)不確定度both components combined in quadrature at one standard deviation1.26擴(kuò)展不確定度expanded uncertaninty u 2.5%（k=2）備注：重鉻酸鹽劑量計(jì)測(cè)量系統(tǒng)校準(zhǔn)的不確定度評(píng)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校準(zhǔn)g值和的校準(zhǔn)）2. component of dosimetry system（劑量計(jì)組成） 3. temperature of dosimetry system（劑量計(jì)溫度修正）4. irradiation time （輻照時(shí)間）5. dosimeter response (mean of five dosimeters)（劑量計(jì)重復(fù)性）6. polynomiial fit for cal

10、ibration curve （校準(zhǔn)曲線的擬合）7. non-uniforties in standard radiation（標(biāo)準(zhǔn)輻射的不均勻）8. dose rate and effects due to differences in phonton energy spectra of source（劑量率響應(yīng)）9. measurement of specific absorbance （吸光度測(cè)量）-0.10.311.00.25-0.301.00.500.50-0.750.20type a and type b combined inquadrature separately（a類b類分

11、量方根和）1.121.45both components combined in quadrature at one standard deviation（合成標(biāo)準(zhǔn)不確定度）1.84expanded uncertaninty u（擴(kuò)展不確定度）3.7(k=2) 工業(yè)輻照裝置中用兩個(gè)為一組的重鉻酸鹽劑量計(jì) 測(cè)量吸收劑量值的不確定度評(píng)定 table 2. uncertainties in absorbed dose values measured in a production irradiator using sets of two dichromate dosimeters不確定度分量comp

12、onent of uncertatintya類（%）type ab類（%）type b重鉻酸鹽劑量計(jì)系統(tǒng)dichromate dosimetry system 1.121.45重鉻酸鹽劑量計(jì)響應(yīng)（2個(gè)一組）response of dichromate dosimeters（set of two dosimeters）0.30溫度修正temperature correction0.50射線能譜差別的影響effects due to differences in photon energy spectra of sources0.50a類與b類分量分別用方和根的方法合成type a and typ

13、e b combined in quadrature separately1.161.61合成標(biāo)準(zhǔn)不確定度both components combined in quadrature at one standard deviation1.99擴(kuò)展不確定度expanded uncertaninty u 4.0 %（k=2）備注：電子束裝置水中吸收劑量的不確定度評(píng)定 table 1. the uncertainty in absorbed dose in water measured for eb irradiator for radiation processing不確定度分量component

14、 of uncertatintya類（%）type ab類（%）type b重鉻酸鹽劑量計(jì)系統(tǒng)dichromate dosimetry system -1.84輻照穩(wěn)定度stability after irradiation0.50輻照條件的影響（不均勻性與減弱）influence of irradiation condition (non-uniformity and attenuatiion)0.501.0a類與b類分量分別用方和根的方法合成type a and type b combined in quadrature separately0.712.1合成標(biāo)準(zhǔn)不確定度both comp

15、onents combined in quadrature at one standard deviation2.21擴(kuò)展不確定度expanded uncertaninty u 4.5%（k=2）備注：在電子束裝置水中用重鉻酸鹽傳遞標(biāo)準(zhǔn)劑量計(jì)校準(zhǔn)fwt-60劑量計(jì)的不確定度評(píng)定 table 2. the uncertainty in calibration of fwt-60 dosimeters in eb irradiator using the dichromaters transfer standard 不確定度分量component of uncertatintya類（%）type

16、ab類（%）type b重鉻酸鹽劑量計(jì)系統(tǒng)dichromate dosimetry system -1.84輻照穩(wěn)定度stability after irradiation0.50輻照條件的影響（不均勻性與減弱）influence of irradiation condition (non-uniformity and attenuatiion)0.501.0fwt-60劑量計(jì)的響應(yīng)film dosimeter response (set of three dosimeters)0.6-校準(zhǔn)曲線的多項(xiàng)擬合polynomial fit for calibration cure 1.0-a類與b類

17、分量分別用方和根的方法合成type a and type b combined in quadrature separately1.362.1合成標(biāo)準(zhǔn)不確定度both components combined in quadrature at one standard deviation2.5擴(kuò)展不確定度expanded uncertaninty u 5.0 %（k=2）備注：用fwt-60薄膜劑量計(jì)校準(zhǔn)eb輻射加工裝置吸收劑量的不確定度評(píng)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不確定度分量component of uncertatintya類（%）type ab類（%）type b重鉻酸鹽劑量計(jì)系統(tǒng)dichromate dosimetry system -1.84比吸光度的測(cè)量measurement specific absorbance 0.501.0劑量計(jì)響應(yīng)的測(cè)量重復(fù)性measured repeatability for response of dosimeter0.501.0輻照期間的溫度修正temperature correction during ir