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infrared active
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  红外活性
     The C-H_2, stretchingvibrations near 3000cm~(-1) were excitced by tunable infrared laser OPO, and the fluorescencefrom the other infrared active modes were detected.
     我们用近红外可调谐的光参量振荡器激励3000cm~(-1)附近的C—H_2伸展振动模,观察了红外活性能级的荧光寿命。
短句来源
     By the testing result of the infraredradiation ratio of tourmaline combining with the analysis of infrared spectrum graph, it can beconcluded that the essence of tourmaline having high infrared radiation ratio consists in theexisting of many infrared active vibrant bonds, which is different from the conclusion drawn byYang Ruzeng, etc, “the crystal structure character and pyroelectricity effect of tourmaline are themain reason for its stronger infrared radiating”.
     通过红外发射率的测试结果并结合红外光谱谱图分析,得出与杨如增等人关于“电气石的晶体结构特征及其热释电效应是其产生较强红外辐射的主要原因”的不同结论,即电气石具有高红外发射率的本质在于其具有多种红外活性振动键。
短句来源
     On the basis of the thorough investigation of the sensitivity of solid reflection spectrum for dielectric constant fluctuations on the short wave side of reststrahlen band of infrared active mode, the influence of dielectric interaction between strong and weak oscillators on reflection spectrum was studied. It was found that under certain conditions, a local low reflectivity region can be formed within the reststrahlen band of a strong oscillator.
     深入研究了固体反射光谱红外活性模剩余反射带短波边对介电常数变化的敏感性,并在此基础上研究了强弱振子介电耦合对反射光谱的影响,发现在一定条件下可以在强振子的剩余反射带内形成局部的低反射率频域
短句来源
  “infrared active”译为未确定词的双语例句
     For β-Si_3N_4, the calculation indicates that strong infrared reflectivity exists from 800 to 1200 cm~4 (24 THz to 36 THz) due to the three strong infrared active modes, leading to a poor electromagnetic wave transmission property.
     对β-Si_3N_4计算表明,在800cm~(-1)至1200cm~(-1)波段(24 THz至36 THz)存在3个较强的红外光学模,具有较大的红外反射,透波性能较差;
短句来源
     The effect of the main infrared overlapping bands of the major infrared active gaseous such as H2O, CO2, O3 N2O and CH4 and its treatment on the calculation of flux and cooling rate due to long-wave radiation is investigated in this paper.
     本文详细地讨论了H_2O,CO_2,O_3,N_2O以及CH_4这五种大气主要红外活性气体的红外吸收带的重迭及其处理方法对长波冷却率及通量计算的影响.
短句来源
     The infrared jammer is a sort of infrared active jamming equipment,it can transmit infrared jamming radiation that has been modulated,block infrared guidance missile of the enemy from intercepting target information.
     红外干扰机是一种红外有源干扰装置,可发出经过调制的红外干扰辐射,阻碍敌方红外制导导弹获取目标信息。
短句来源
     BN structures, which have a simpler crystal structures and smaller number of infrared active modes, present better electro-magnetic wave transmission properties compared with β-Si_3N_4
     对BN的晶体结构,由于晶胞结构简单,红外光学模数目较少,因而相比β-Si_3N_4具有更好的红外透波性能。
短句来源
     In the spectrum range above 1200 cm~(-1) or below 800 cm~(-1) , however, there is relatively good transmission property because of low reflectivity and dissipation resulting from no infrared active mode or weak modes.
     在高于1200cm~(-1)和低于800cm~(-1)的频段,红外光学模不存在或者其强度较弱,因而β-Si_3N_4在该波段的电磁波照射存在较小的反射和损耗,具有很好的透波性能。
短句来源
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  相似匹配句对
     Infrared Radiations of Active Galaxies
     活动星系的红外辐射
短句来源
     The Design of Active Infrared Fuze
     红外主动引信设计
短句来源
     Infrared Thermometry
     红外测温技术
短句来源
     Infrared Therapy
     红外医疗
短句来源
     from passive to active;
     被动型转向主动型;
短句来源
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  infrared active
Microstructural evolution at the bonding interface during the early-stage infrared active brazing of alumina
      
In the low resolution spectrum a number of combination bands not previously observed have been assigned, the infrared active fundamentals have been reassigned, and a center wavenumber value has been determined for the Raman activev1 fundamental.
      
The strong, infrared active metal oxygen stretching mode was observed as a broad band at 400 cm-1 in the LiCF3SO3 solution and at 180 cm-1 in the NaCF3SO3 solution.
      
The infrared active vibrational fundamentals of PF6- provided evidencefor the anion-solvent interaction as well as ion-pair formation.
      
The infrared active mode ν3(f1u) was measured at 460cm-1.
      
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Uranyl species sorbed on cation exchanger from H2SO4 and HCl solution are thoroughly studied by IR spectra and equivalent accounting. The spectra are recorded with DIGILAB FTS-15C infrared spectrometer. The assymetric stretch, v3 of the uranyl group is infrared active. UO2 2+ and (UO2HSO4)+ from H2SO4 solution and UO2 2+ and (UO2Cl)+ from HC1 solution are found to be sorbed on the cation resin. The species sorbed on cation exchanger shows only a single band at 945.3cm-1. or 949.2cm-1 when the equilibrium...

Uranyl species sorbed on cation exchanger from H2SO4 and HCl solution are thoroughly studied by IR spectra and equivalent accounting. The spectra are recorded with DIGILAB FTS-15C infrared spectrometer. The assymetric stretch, v3 of the uranyl group is infrared active. UO2 2+ and (UO2HSO4)+ from H2SO4 solution and UO2 2+ and (UO2Cl)+ from HC1 solution are found to be sorbed on the cation resin. The species sorbed on cation exchanger shows only a single band at 945.3cm-1. or 949.2cm-1 when the equilibrium is carried out in the solution with very low concentration of H2SO4 or HC1 respectively. The species should be UO2 2+. However, a new band at 902.9cm-1 or 906.6 cm-1 is found when the equilibrium is carried out in the solution with high concentration of H2SO4 or HC1 respectively. With increasing the acidity of the equilibrium solution the gradual increase of intensity of the new band and the gradual decrease of intensity of the original one can be observed. As a cation exchanger selectively sorbs cation, the species now sorbed should be either (UO2HSO4)+ or (UO2Cl)+. But the amount of (UO2HSO4)+ or (UO2Cl)+ on the cation exchanger can be ignored with a concentration of acids less than 0.5 N, The equivalent accounting method is applied to the resin loaded with uranyl ion and hydrogen ion, together with cation uranyl complex species, under the conditions of negligible invasion of uarnyl species. A known amount of resin in hydrogen form is equilibrated in a batch process with a solution containing uranyl and sulfuric acid(or hydrochloric acid) at various ratios. It is found experimentally that the amount of (UO2HSO4)+ or (UO2Cl)+ sorbed on exchanger is so low that they can not be observed by the method within experimental errors.It may be concluded that the (UO2HSO4)+ or (UO2 Cl)+ sorbed on cation exchanger can be overlooked under the general conditions of the experiment.

本文用红外光谱法和当量计算法研究了在硫酸、盐酸介质中铀(Ⅵ)在阳离子交换树脂上的化学状态及其含量。结果表明,在阳离子交换树脂上,铀(Ⅵ)除了以UO_2~(2+)外,还可以(UO_2HSO_4)~+和(UO_2Cl)~+存在,但当酸的浓度低于 0.5N时,其量可忽略不计。即使在酸浓度相当大(2—3N)时,(UO_2HSO_4)~+和(UO_2Cl)~+也只占树脂交换容量的很小一部分。因此,在通常用的阳离子交换色层法富集铀同位素的工作中,可以按照阳离子交换树脂上只有 UO_2~(2+)来考虑同位素效应及计算分离因数。

Through calculations and drawing of reflection spectra of two nearby infrared-active

本文通过两个靠近的红外激活声子模反射光谱的计算和作图,讨论了晶格振动反射光谱的一些特性和规律,为反射谱的识谱提供了依据。同时指出了在某些光谱灵敏区准确测定反射谱的重要性;在利用K-K关系计算晶体介电参数以前,预先分析反射谱的结构和形状是必要的。

In this paper, uranyl species sorbed on anion exchanger from HC1 solution are throughly studied by equivalent accounting, determination of distribution ratio and IR spectra. The equivalent accounting method is applied under flow conditions for the anion exchange resin loaded solely with anion chloride species of uranyl by means of column chroma-tography, and also under batch conditions for resin loaded with anion chlaride species of uranyl as well as chloride ion. It is experimentally found that the charge of...

In this paper, uranyl species sorbed on anion exchanger from HC1 solution are throughly studied by equivalent accounting, determination of distribution ratio and IR spectra. The equivalent accounting method is applied under flow conditions for the anion exchange resin loaded solely with anion chloride species of uranyl by means of column chroma-tography, and also under batch conditions for resin loaded with anion chlaride species of uranyl as well as chloride ion. It is experimentally found that the charge of the species is approximately equal to 2 and the ligand number of UO2 2+ is approximately equal to 4.The results of the determination of the sorption equilibra of uranyl show that the dependence of distribution ratio of uranyl on the concentrations of uranyl in anion resin supports the assumption that uranyl species sorbed on anion resin is (UO2Cl4)2-. The IR spectra are recorded with DIGILAB FTS-15C infrared spectrometer in the region from 4000 cm-1 down to 400 cm-1. The asymmetric stretch, v3 of the uranyl group is infrared active. The band at 914.3 or 918.1 cm-1 is assigned to the anion (UO2C14)2- sorbed on anion exchange resin from solutions of various concentrations of HC1.In conclusion, the predominant species sorbed on anion exchange resin is (UO2C14)2-from solutions of various concentrations of HC1.

用当量计算、分配比的测定以及红外光谱等三种实验方法,证明从盐酸介质中吸附到强碱性阴离子交换树脂上的铀酰,主要是以(UO_2Cl_4)~(2-)存在。

 
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