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固体荧光法
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  “固体荧光法”译为未确定词的双语例句
     A TRPO extraction-fluorimetric method for the determination of uranium in soil and airdust was developed.
     本文在研究了影响萃取的各种因素后,给出了用TRPO-OK萃取-固体荧光法测定土壤和空气尘埃中铀的方法。
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     Trace uranium in bulk high purity oxide of thorium is separated and concentrated using DDTC-MIBK as extractant, then mixed with K2CO3-Na2CO3-NaF. The fluorescence intensity of uranium is determined by solid-fluorimetry at 555nm.
     用固体荧光法测定了高纯氧化钍中微量铀。 用DDTC-MIBK作为萃取剂,从大量钍中富集和分离微量铀,以K2CO3-Na2CO3-NaF为助熔剂制成荧光片,在555nm波长下测定铀的荧光强度。
短句来源
     Determination of trace uranium in high purity oxide of thorium by solid-fluorimetry
     固体荧光法测定高纯氧化钍中微量铀
短句来源
     The Determination of Trace Uranium by TOPO Solvent Extraction-Solid Fluorophotometry
     TOPO萃取-固体荧光法测定痕量铀
短句来源
     The results showed that the precision forsolid fluorescence and liquid laser-induced fluorescence was better than 20%in a laboratory,the precision among laboratories is better than 27%.
     比对结果表明,固体荧光法和激光液体荧光法实验室内和实验室间精密度分别小于20%和27%;
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  相似匹配句对
     Solid Camera
     固体摄象机
短句来源
     Solid-State Redox
     固体氧化还原作用
短句来源
     The Determination of Trace Uranium by TOPO Solvent Extraction-Solid Fluorophotometry
     TOPO萃取-固体荧光测定痕量铀
短句来源
     Design of an Induced Fluorescence Detector System with Semiconductor Solid State Light Sources as Excitation Sources
     半导体固体光源诱导荧光检测系统的研制
短句来源
     RESONANCE FLUORESCENCE
     共振荧光
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A procedure using inductively coupled plasma emission spectroscopy for the determination of uranium in tributyl phosphate-xylene is described.Ethyl alcohol was used for diluent.The determination proceeds at fairly low power of generator(anode voltage 3800V and anode current 600mA).The lowest limit of determination is 0.1 μg/ml of uranium(in 95% C_2H_5OH-3.5% kerosene-1.5% TBP).At uranium content 2μg/ml the relative standard deviation is 6%.Re- sult of this method agrees with that of fluorescent-disk method.

本文叙述了用电感耦合等离子体(ICP)光谱法测定磷酸三丁酯-煤油试液中的微量铀.采用乙醇作稀释剂.在低功率(阳极电压3800伏,阳极电流600毫安)条件下进行测定.在95%乙醇-5%磷酸三丁酯煤油试液中,测定下限为0.1微克/毫升.当铀浓度为2微克/毫升(乙醇-磷酸三丁酯煤油试液)时相对标准偏差为6%.本法的测定结果和固体荧光法一致.

This paper presents a method for the separation and derermination of trace ura-nium(VI)in a liquid waste containig a large amount of impurities,which isfrom the chemical prosessing of nuclear fuel.TOPO solvent extraction is usedto separate uranium from the most of impurities.This is followed by droppingTOPO solvent containing uranium(Ⅳ)to NaF pellets and burning them to bea melted ball.Trace uranium(Ⅳ)is then determined from the melted ball bysolid fluorophotometry.Data available for the extracion,the extraction...

This paper presents a method for the separation and derermination of trace ura-nium(VI)in a liquid waste containig a large amount of impurities,which isfrom the chemical prosessing of nuclear fuel.TOPO solvent extraction is usedto separate uranium from the most of impurities.This is followed by droppingTOPO solvent containing uranium(Ⅳ)to NaF pellets and burning them to bea melted ball.Trace uranium(Ⅳ)is then determined from the melted ball bysolid fluorophotometry.Data available for the extracion,the extraction rateand the effects of interfering ions on the separation are reported.The precisionof the method is better than ±14% when uranium content is about 10 to 1000ppb in the waste liquid.The recovery rate is about 88—122%.

本文介绍了一种痕量铀(Ⅵ)的分离与测定方法。核燃料化工工艺产生的铀废液,含有大量干扰铀荧光测定的杂质,用有机溶剂 TOPO 萃取,与共存的杂质分离后,取含铀(Ⅵ)的 TOPO溶剂滴加在氟化钠片上,烧制成珠球,固体荧光法测定痕量铀(Ⅵ)。文中叙述了 TOPO 萃取铀(Ⅵ)的条件、萃取率、与干扰离子分离的效果。铀含量在10—1000 ppb 时,精密度优于±14%;回收率88—122%

A TRPO Extraction-Solidfluorimetric method for de ermina-tion of Uranium in soil and airdust has been developed.The soil andairdust samples were pretreated with ammoniate mixtures and sulfuric-nitric acid respectively.Uranium was extracted in nitric acid with 30%TRPO in hydrokerosene and determinated as sodium fluoride beads The results show that the total recovery ratios of Uranium in soil and airdustare(89.6±11.8)% and(85.5±5.6)%,their detection limit are 0.03μg/g,and 0.2pg/L,respectively.

本文介绍了用 TRPO 萃取-固体荧光法测定土壤和空气尘埃中铀的方法。用混合铵盐和硫酸-硝酸分别预处理土壤和空气尘埃样品,在硝酸体系中用30%TRPO 的 OK 溶液萃取铀,制备 NaF 熔珠,测定铀含量。实验结果表明,本方法对土壤和空气尘埃样品中铀的全程回收率分别为(89.6±11.8)%和(85.5±5.6)%,灵敏度分别为0.03μg/g 和0.2pg/L。

 
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