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固体荧光
相关语句
  solid-state fluorescence
     A kind of fluorescence optic-fiber thermometer is devised based on the solid-state fluorescence material.
     设计了一种基于固体荧光材料(Cr∶LiSAF)的荧光光纤温度计。
短句来源
     The solid-state fluorescence of polymeric compounds 1 and 2 was determined.
     测定了聚合物1和2的荧光性质,并讨论了其特有的固体荧光产生的原因.
短句来源
  “固体荧光”译为未确定词的双语例句
     The fluorescent results of the solid indicate that the complex has good luminescence property. Under excitation of the light in 320—400nm,the complex can emit fluorescence at the zone of 400—500nm,580—620nm and 690—710nm.
     固体荧光结果显示该配合物具有很好的荧光性能,当激发光波长为320—400nm时,产生波长分别为400—500nm、580—620nm及690—710nm的三个荧光区;
短句来源
     For example, L3 and L4 solid state of the two ligands themselves are luminescent with the peak maximum at 514nm and 528nm far upon excitation at 340nm at room temperature.
     在室温下,化合物L3和L4的固体荧光发射峰分别位于514nm和528nm,远高于其激发波长340nm。
短句来源
     The fluorescent intensity of the solid samples CdS/TTFS4 decreased when the modified quantity increased.
     实验发现CdS/TTFS_4的固体荧光强度随着修饰量的增加而逐渐减弱。
短句来源
     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。
短句来源
     The complexes with Eu~(3+), Tb~(3+) and Dy~(3+) have middle luminescence intensity. Among these complexes, complex with Tb~(3+) has the strongest luminescence intensity. It shows that the ligand L~1 triplet state energy matches with Tb~(3+) ()~5D_4 energy level.
     室温下研究了配合物的固体荧光光谱,固态时的配合物(除Sm3+配合物外)均有较强荧光,其中Tb3+配合物的荧光强度最高,表明配体三重态的能量与Tb3+的振动能级更为匹配。
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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
     No emisson can be detected due to aggregation quenching in the solid state.
     固体荧光由于浓度淬灭,几乎测不到。
短句来源
     FLUORESCENCE LIFETIME OF RARE EARTH IONS IN SOLID MATERIALS
     固体材料中稀土离子荧光寿命的研究
短句来源
     RESONANCE FLUORESCENCE
     共振荧光
短句来源
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  solid-state fluorescence
The investigation shows that hexagonal NaYbF4 is an efficient blue up-converted phosphor, which might be potentially applicable in three-dimensional solid-state fluorescence display.
      
Solid-state fluorescence spectra of the ground mixtures showed that the fluorescence emission peak due to PPO crystals was reduced in intensity with an increasing duration of grinding.
      
Effect of Humidity-Dependent Changes in Crystal Structure on the Solid-State Fluorescence Properties of a New HMG-CoA Reductase
      
Solid-State Fluorescence Studies of Some Polymorphs of Diflunisal*
      
Solid-state fluorescence of the trihydrate phases of ampicillin and amoxicillin
      


A butadiene-styrene copolymer of low styrene content (5%, Wt.) has been characterized by 1H NMR to have only isolated styrene units on the chain. The fluorescence spectra of the sample in dilute solutions of a good solvent (dichloroethane) at 25-26℃ showed monomer fluorescence only. Changes of the. fluorescence spectra from a good solvent to poor solvents (dichloroethane-methanol mixture), and from dilute to concentrated solutions up to the solid film confirmed that excimer formation exists between nonadjacent...

A butadiene-styrene copolymer of low styrene content (5%, Wt.) has been characterized by 1H NMR to have only isolated styrene units on the chain. The fluorescence spectra of the sample in dilute solutions of a good solvent (dichloroethane) at 25-26℃ showed monomer fluorescence only. Changes of the. fluorescence spectra from a good solvent to poor solvents (dichloroethane-methanol mixture), and from dilute to concentrated solutions up to the solid film confirmed that excimer formation exists between nonadjacent chromophores in the chain and between interchain chromophores. Com-parision of the spectra obtained from a dilute 8-solution and solid film gave us an estimation of the relative importance of the intrachain excimer interaction and interchain excimer interaction in the solid sample studied. These results may help us to visualize the interpenetration and entanglement of polymer coils during transition from a dilute solution to a concentrated one and to a solid polymer.

本文报导一种低苯乙烯含量(5%,Wt.)的丁二烯-苯乙烯共聚物,经~1H NMR证明其分子链上不存在相邻苯乙烯单元。荧光光谱结果表明,它在良溶剂(二氯乙烷)的稀溶液状态下只呈现单分子荧光。从良溶剂-θ溶剂(二氯乙烷-甲醇体系)及稀溶液-浓溶液-固体之荧光光谱的变化,证明形成了链内非近邻生色团之间和链间生色团之间的激基缔合物(Excimer)。从固体与θ溶剂的激基缔合物荧光的比较,还可区分链内非近邻和链间苯环形成激基缔合物对荧光强度的贡献。这一结果对阐明高分子链内非近邻和链间激基缔合作用提供了新的证据,并有助于了解高聚物本体中相互穿透、相互缠结的无规线团的形态。

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%

 
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